text:
It is a long time since this site has seen any clicks of a keyboard.
New book imminent:
Excitement ensues!
It is a long time since this site has seen any clicks of a keyboard.
New book imminent:
Excitement ensues!
It was a good month. We got a lot done. Security infrastructure and procedures, team building and support to projects, consensus building with other agencies.
I got home on Sunday night, and while a privilege to have been in Afghanistan, it was also lovely to be back with my family.
On Wednesday, I briefed our Executive Director on what I had done, and my thoughts about the future. I mentioned that I thought another attack on an NGO were likely, within the next two or so months.
On Thursday morning, two of our staff were shot and killed, in downtown Herat, while going shopping. They were long term workers in Afghanistan, fluent in Dari, culturally sensitive, careful and experienced. No motive for the attack can so far be discerned.
I had worked closely with one of these women, over the years. I saw here just last Saturday, before she flew to Herat. She had just arrived back in Afghanistan, after some time back in her home country. We talked about her future work. It was good to see her again.
It is a hard path ahead.
Owing to a certain unrestrained, and often unfocused generosity of my mother, I am a life member of the Qantas Lounges. This is not as cool as it may sound. To get in the lounges, you have to be flying Qantas on your next flight, and Qantas are generally way more expensive than everyone else, with less comfortable planes and way more disinterested staff. Their lounges are crowded with FIFO workers, and supplied with pirate crew of surly, superannuated stewards who specialise in making you feel bad for asking for a peanut.
Anyway, Qantas, sensing the writing is on the wall, have done a deal with Emirates (who will soon emerge as The Global Airline). This deal means I can go in Emirates lounges when flying Emirates.
All that is preface. I arrived in Dubai this afternoon after 4 weeks in Kabul. It was a good four weeks. No one died. That's not a blithe comment. It is a part of our considerations these days. I helped keep things going. I supervised security improvements, scoped for a new head office, consulted on various projects, picked up the bits and pieces, incinerated old documents, tried to encourage the team, hosted a weekly BBQ. I am grateful to have been there and it was a privilege. And do not think it was a hardship: the electricity failed only once, I had hot, running water, fans to keep me cool, and ready access to most conveniences. Kabul is not what it once was.
So, on arriving in Dubai, I find the Business Lounge is shut and I am directed to the First Class Lounge. I have been in the First Class Lounge twice before: my reckoning is that people are more likely to sneak into Business Class. Those who are going into First Class have a massive sense of entitlement, all you need to do is emulate that. So I did. I just walked on in. The first time, I spent 6 hours there. The next time, after about 30 minutes, they found me and said, 'Mr Sparrow, you should not be here.'
'Yes', I said.
'Will you please leave now?' they said.
'Yes', I said. Nothing ventured, nothing gained. But today, I am 'entitled' to be here, so to speak. In First Class, you order your meal. The whiskeys are 15 years old. The seats are leather. It is preposterous, in every sense. I enjoy the peace it affords me, but I rail against it. It is wrong. It is wrong because I left a place where people do not even have clean water to drink.
I look out the window at the endless steam of jets taking off, and think of the massive contradictions humans are capable of. Me included.
On Wednesday afternoon, M. comes to visit me.
We met properly in 1999, when we started in the community development project, based out of Mazar. He was one of the four Afghans working with us in those remote, poor, difficult villages. Later we hired five more local staff, and within a few years, M. had become the team leader. He was educated, and so was granted a natural status, and he knew it. He was also, variously, sulky and easily irritated. Mind you, perhaps we all were back then. It was a sulky time, and the Taliban were world authorities in irritating people.
But he grew in leadership, and in character, and in servanthood. By the time we closed the project down in 2005 – the area by then being saturated with NGOs doing development work, mostly badly – he was mature, competent and a valuable part of our team. We opened a new development front, 8 hours to the West, in the tiny outpost of Maimana, but he didn't want to move there – his wife was still working in Mazar, and their son was at high school. Unsurprisingly, he soon found a job with another NGO. I caught up with him again in 2007, and we kept in touch over the years as he worked for Oxfam, TEAR Fund and other groups, steadily growing in responsibility and stature.
It is wonderful to see him. He climbs down from the 4WD that he has arrived in. He is a big man. He lifts a back pack, the sort most aid-workers use. He has a beard, flecked with grey now, I notice. We go back to the office and I offer him water, and we share our news with each other. His son, U, is married, and has a daughter; their first child died at birth. U is working for a mobile phone company now: U, now a man, who I knew as a child. M's wife is not working – 'She is older now, and the offices don't want to employ an older woman. She has white hair, like me.' It is an exaggeration, M is probably the same age as me and his hair is black and thick. I remember how M. and his wife shared a genuine love and affection for each other, I still have the photo of them sitting together, cradling Pietà when she was little.
M. phones his son, U, and I talk briefly with him, and give congratulations on his marriage and his little one; I show M. photos of my family, and he gasps at Pietà – she was four when he last saw her – and chuckles at Elijah and Rachel, and he offers condolences on the death of my father and mother.
But as we talk, I notice M. is increasingly quiet. He often repeats a phrase – 'kho, zendagi ast' – 'Well, this is life'. I think I know what he is feeling, and I feel it too: the passing of years, and the intractability of life. It is 15 years since we met, we are not young men anymore. Afghanistan is still beset by innumerable problems, what has changed? He reminds me of when we were both North of Kabul, in Kapisa, back in 2007, and I told him that things would get better here, that a time of peace was coming.
'And now we are here, and still there is no peace, and perhaps tomorrow or next year I will get shot, or hit by a rocket.' He shakes his head. 'And will you tell me again that peace is coming?'
I don't know what to say. I hope what I am seeing is just something I have seen with many Afghan friends who have lived so much grief – someone taking a moment to unload, to tell their story. But I am not sure. M. is not really unloading. He is not telling a story. He is just being honest.
After a while, M. takes his leave, and heads off to stay with his brother on the other side of town. In a month or so, he will start a new job with an NGO he has worked with before. 'The salary is less, but the people are honest. There was so much corruption in _____. What could I do? If I stayed there, I would be counted as one with them. One man cannot change all that. It is better for me to have less money, but be with people who are just and truthful. We have things in common.'
We embrace, and shake hands, M. swings his backpack over his shoulder and walks slowly to the corner.
When we first came to Afghanistan, we lived in Mazar. Like most foreigners here, we soon employed a local woman to help with cleaning our home. While the idea of regular domestic help remains repugnant to me (I kind of think you ought to be able to keep your own house in order), we were persuaded that in Afghanistan it was a good idea. For a few reasons – it gave a poor woman employment, and unquestionably, in those days, the widows of Afghanistan needed it. It gave Julie an easy way to make friends with local women, and in Taliban times, that was helpful. And, we were here to work. We were not here simply to 'be'. Having someone help keep things in order meant we could both work, full-time. When Pietà was born, having no family here, our khala-jan became a defacto auntie. Over time, Fatima, who was calm and gentle, became a dear friend to Julie and a loving nanna to Pietà.
Then, when we returned to Mazar after 9/11, Aziza came to work with us. She was more animated than Fatima, and sometimes brought her grandson, Quorban along to play with Pietà. She too, became a loved part of our home.
In Kabul, in the later years we had S. work with us. We inherited her from the previous family, she kind of came with the house, and she quickly made it clear who was really in charge. We didn't get on with her so well, I think it is safe to say. Lastly, Nooria worked with us. Julie knew of her from earlier times, and liked her, and she had a lovely manner, though her life was very difficult and she was well acquainted with grief. Her husband had some kind of mental illness, based almost certainly in trauma, and was often violent. Particularly, and for no obvious reason, he very hostile towards to their 10 year old son. It was so bad the son could not be in the house, and this was very hard for Nooria. Julie helped get the husband some medication, through one of the expat Doctors here, and like many mental illnesses, as long as he kept the dosage stable, he was much improved. When he forgot, or ran out, things got awful very quickly.
He died a month ago. I saw Nooria a week back, and after the usual salaams, I said, 'I know your husband died. Razi- Khudawand bashed.' May he be welcomed by God.
Nooria began to explain, in a matter of fact kind of way –
'Yes, it was very odd. He began to swell up, first his stomach, and then his chest. He couldn't easily breathe, simply to draw breath was difficult. We spent so much on medicines. Then he got a little better, but his feet swelled and he couldn't walk. Then his chest swelled again…'
Nooria stopped talking and buried her head in her hands. It was a while before she could speak. I sat and waited.
'Wa, baz faut shud wa bas.' 'And then he died and that was the end.'
After a while she continued. 'My son, he doesn't accept it. He has said, "where is my father? When is he coming home?" He just sits and waits for him to come. He has said he will not go to school until he comes, and that is 18 days now. He is just waiting for his father to come home. I do not know what to do, and we have spent everything now on doctors and medicines and now we have nothing.'
I am able to give her some money.
Later I think about this thing of giving money. Many expats here do not give money to poor people here, at all. The rationale is that it doesn't help in the long run. Better to train people, give them jobs, advocate for social reform. I agree. But those who say giving money to poor people doesn't help, have never, I think, been so poor.
Fatima with Pieta, 2001. Julie was able to visit Fatima in Mazar last year as she was dying of cancer; she died a few months later. Razi- Khudawand bashed.
One of the consequences of being an organisation that has been around for 40+ years is that we have accumulated a lot of junk. Old emails, newspaper articles, manuals on how to install HF Codans, recipe books (eh?), leadership seminar evaluation feedback forms, countless transparencies on how to manage your interpersonal skills, old Annual Reports, agreements with donors on funding for wells from 1999.
We do have a shredder. It is a fragile and gentle creature, unaccustomed to hard work and resistant to the idea of document destruction. Consequently, it shreds two pieces of paper at a time, works for for 5 minutes, and then needs a good rest for two hours.
So we have resorted to the time-tested approach of incineration. But believe me, burning the 30 or so trunks of documents we have, is also quite the job. Paper burns great one or two sheets at a time, but throw in a ream or two and you get a lot of singed edges and a whole lot of very readable remains. So we now have teams of staff, scrunching paper, throwing it in the two burn barrels, stirring up the burning contents, shovelling out the ash. It would be a pretty nice job in winter. In 40˚ summer, during Ramazan, it is less popular.
Friends invited me to join with them on a day flight to Bamiyan, in the central Hazarajat.
We flew over the wonderful Band-i-Amir lakes, copper colouring the water a fantastic blue.
We saw the Buddha caves, of course. I remember when they were destroyed, the bemused response from Mullah Omar to the outrage of the world – 'They are just stones – do you not care for the suffering of the Afghan people?'
We then drove out to Shahar Zohak – the Red City – a very ancient, and large destroyed fort complex, some 2000 ft up a steep climb. The minerals are right in front of you in these hills:
Reds, blues, greys, magenta, yellow and the deep green of the valley floor.
Of top of the fort complex was a small bunker, from the Soviet era.
And an old gun.
It was good to get out of Kabul.


text:
A look back at the Red Sox career of Darnell McDonald
|06.30.12 at 11:07 pm ET
After spending three seasons in Boston, Darnell McDonald's time with the Red Sox may have come to an end Saturday when he was designated for assignment to make room for the returning Josh Beckett.
McDonald was signed as a minor league free agent on Nov. 24, 2009, with Triple-A Pawtucket and made regular contributions with the Red Sox in 2010 when Jacoby Ellsbury went down with an injury. When Ellsbury returned, however, McDonald's role was reduced and he played less and less over the course of his last two seasons.
During his time with the Red Sox, McDonald played in 234 games, batted .252, hit 17 home runs and drove in 67 RBIs. And despite not being a full-time player, the 33-year-old outfielder earned his share of memorable moments during his tenure with the Red Sox. Here is a list of some of those moments that Red Sox fans won't soon forget:
' McDonald didn't waste any time making an impact in a Red Sox uniform. On April 20, 2010, he made his debut against the Rangers as a pinch-hitter. Trailing by a pair of runs in the bottom of the eighth and with Jason Varitek on base, he took Josh Reddick's spot in the order and cranked a two-run homer over the Green Monster to tie the game at six.
The game-tying home run marked the ninth time in Red Sox history that a player hit a home run in their first at-bat and the third time in the form of a pinch-hit.
McDonald wasn't done, though. In the bottom of the ninth, with the game still tied and the bases loaded, McDonald came up again and lifted a high fly ball that hit the Green Monster just past the leap of Rangers outfielder Josh Hamilton and scored Kevin Youkilis from third for the walk-off victory. The team mobbed McDonald in short left field as he became the first player in club history to collect a walk-off RBI in his debut.
In the midst of a hot streak, McDonald kept it up the next day in his second game with the Red Sox, as he homered again in an 8-7 victory.
' On Aug. 17, 2010, McDonald feasted on an offering from Angels pitcher Jered Weaver and cleared a solo home run over the Green Monster seats. NESN cameras caught the ball's trajectory as it sailed over and broke a car's window in a parking lot across the street from Fenway Park.
' McDonald went 0-for-4 in a forgettable performance at the plate on Aug. 26, 2011, against the Athletics, but made headlines when he came on in the ninth inning and made his pitching debut in the midst of a blowout loss.
Firing mid-80 mph fastballs with a lack of secondary pitches, the outfielder turned temporary pitcher lasted the entire inning, but walked two batters and gave up a two-run double to Josh Willingham. The game was well out of reach for a Red Sox victory, anyway, as they ultimately lost, 15-5.
McDonald's career as a Red Sox pitcher wasn't quite over, though, as he came on again this season on May 6 in the 17th inning of a game with the Orioles. With the Red Sox out of arms, manager Bobby Valentine gave the nod to McDonald, who let the Orioles break the game open.
The right-hander gave up a pair of walks and hits, including a three-run home run by Adam Jones that gave the Orioles a 9-6 lead they wouldn't relinquish as they took it in 17 innings.
' McDonald saved perhaps his best highlight for last on Wednesday against the Blue Jays, which turned out to be his last game in a Red Sox uniform. With the Red Sox in firm control leading 10-4 in the ninth inning, Kelly Johnson's solo home run bid was robbed when McDonald leapt on top of the right field wall, and nearly fell into the bullpen, to make the grab.
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subset: commoncrawl


text:
|Publication number
|Publication type
|Publication date
|Jun 8, 1954
|Filing date
|Dec 3, 1945
|Priority date
|Dec 3, 1945
|Publication number
|George O G Lof
|Original Assignee
|Univ Colorado
|Export Citation
|BiBTeX, EndNote, RefMan
|Patent Citations (23), Referenced by (80), Classifications (18)
|External Links: USPTO, USPTO Assignment, Espacenet
June 1954 G. o. s. LOF 2,680,565
SOLAR HEATING APPARATUS AND METHOD I Filed Dec. 3, 1945 4 Sheets-Sheet 1 LEGEND Internal External H01 oir Normal air Ch|||ed oir--- eorye 0 6 Ho? wo'ter INVEN 0R.
Cold water BY v FIG I June 8, 1954 s. o. G. LOF
SOLAR HEATING APPARATUS AND METHOD 4 Sheets-Sheet 2 Filed Dec; 3, 1945 2mm h 2. J m vdE 3m m o 1 m m m u a fin I J a 4 M In B on 02. F w 3 June 8, 1954 o, LQF 2,680,565
I SOLAR HEATING APPARATUS AND METHOD Filed Dec. 3, 1945 4 sheets-sheet 3 Gear e 2 FIG. 8 7 mymmk 4 Ame June 8, 1954 G. o. G. LOF 2,680,565
SOLAR HEATING APPARATUS AND METHOD Filed D90. 5, 1945 4 Sheets--Sheet 4 6eor' f F IG. 9 YZVVENTOR.
85 BY a, W
,4 Wale/visa Patented June 8, 1954 2,680,565 SOLAR HEATING APPARATUS AND METHOD George 0.
G. Li, Boulder, 0010., assignor to University of Colorado Application December 3, 1945, Serial No.632,5 04
to utilize this heating source effectively in house-' hold installations. However, in recent years considerable study of the subject has been undertaken and with the changes and innovations being incorporated in present day architecture, solar heating systems are now recognized as a possible adjunct of future home building.
The present invention represents the culmination of a series of investigations undertaken to provide a suitable system for household heating and the like, which is adapted both for installation in existing structures and also for incorporation in new construction.
It is an object of the present invention to provide a simple, efficient and economical method of heating homes or similar structures.
Another object of the invention is to provide a simple, efficient and economical method of conditioning the circulating air of homes or similar structures both as to content.
A further object of the invention is to provide a simple, durable and economical heating system adapted for installation in homes or similar structures, which is adaptedto utilize the maximum effect of solar heating as an energy source in the temperature regulation, water heating, and'other -appliances of the heating and water supply-installations of the structure.
Still anotherobject of the invention is to provide a solar heat trap adapted for installation in existing homes-or the like, which may be utilized as a heat exchange medium to heat air, 'water or other fluids.
Other objects reside in novel combinations and arrangements of parts and innovel steps and treatments, all of which will be described in the course of the following description. v
The present invention resides in the discovery that a solar heat trap may be provided in household installations or the like, which contains a plurality of zones or passages, within which heat rays are caused to travel in opposed directions between heat transfer surfaces defining the passages or zones. Within these zones, a fluid, such as air or water, is circulated in contact with the heat transfer surfaces and after heating in this manner, the fluid is circulated to other portions.
of the present invention, reference will now bemade to the accompanying drawings illustrating typical embodiments and practices of the-invention. In the drawings, in the several views of which like parts have been designated similarly.
Fig. 1 is a vertical section througha structure utilizing the features of the present invention;
Fig. 2 is a vertical section through a heat trap unit embodying features of the present invention;
Fig. 3 is a vertical section through another form of heat trap unit also embodying features ferred arrangement for installation in structures under construction;
Fig. 6 is a similar section illustrating a preferred installation built as a prefabricated'unit;
temperature and moisture v arrangement of parts in an air conditioning unit Fig. 7 is a side elevation of one of the heat exchange elements'utilized in the heat traps of the present invention illustrating a preferred method of surface treatment and drawn to an enlarged scale;
Fig. 8 is an enlarged perspective view'partially broken to show interior construction in section of one-form of heat trap used in the practice of the present invention; and I Fig. 9 isa schematic assembly view showing adapted to be operated by a solar heat trap of the type shown in Fig. 1 in a circulating system of the type shown in Fig. 1. f
Fig. 1 illustrates an installation in a house or other habitation in which the various forms of solar ,heat utilization of the present invention have been combined in a single installation. It will be understood that for most purposes, liquid and air room heating installations will not be combined within the same structure, although under certain circumstances, it maybe necessary or advisable to do so, for which reason both forms have been described or illustrated in the drawings. The air conditioning circuit illustrated is intended for use independently of or'as 4 an adjunct of the household heating system and a typical installation has been shown in Fig. 1.
Also, the use of the solar heat source for heating the domesticwater supply has been illustrated and this may either be a separate installation or incorporated as an adjunct to the existing household installation.
In Fig. 1, a building designated generally by the reference letter B is intended to illustrate a home or business structure and as shown em-' bodies a two story constructiombut which may be any number of stories within the capacity limits of the system to heat. As illustrated, the building has upright walls l2 covered by a roof I3 with a floor l4 partitioning the interior space into a basement l5 and other partitions I6 cooperating with the floor It and a ceiling IT to divide the first floor space into a plurality of rooms designated X and Y. The basement is provided with a floor space ll! of any suitable material, such as concrete, and the foundation structure IQ for the building also may be any suitable material such as concrete.
A section of the roof 13 preferably located so as to have good exposure to the sun in both summer and winter is suitably apertured to receive a heat trap T, the details of which will be described hereinafter. When the heat trap T is to be utilized as a heating source for the building, it may be necessary to have it operating in conjunction .vn'th a stand-by heating plant and utilize a common system of conduits, outlets and the like and systems of this type have been illustrated in Fig. 1.
Within the basement IE or in some other suitable area of building B, a furnace 2|, preferably a blower-type circulating air heater, is located to deliver heated air through a valve controlled conduit 22 into a distributor 23 from which a series of conduits 24a and 24b deliver the heated air to room outlets 25. The furnace 2i also has a valve controlled intake 26 preferably supplied by a cold air duct 21 having its inlet opening 28 located as in the floor of room Y to provide a closed circuit air circulating system. However, it should be understood that if desired, an open circuit circulation may be employed, in which case the duct 21 would haveits inlet located to receive atmospheric air from a point outside the building B. The furnace 21 may utilize any suitable type of fuel, such as coal, oil or gas and at such times, for example during the night hours, when the system may not utilize solar heating, the furnace is operated as in conventional installations to heat the rooms X and Y through discharge of heated air through outlets 25.
In utilizing the solar heating source in this 1 circuit, at least a portion of the cold air enterhereinbefore described. With this understand ing of the general arrangement of the circulatory,
system, reference will now be made to the details of construction of the heat trap and its function and operation.
The arrangement shown in Fig. 2 illustrates a preferred construction for installations of the type just described. The unit comprises a framework having a bottom 36 and side walls 31 preferably forming a rectangular enclosure. The bottom and side walls may be formed of any suitable material, such as wood or metal, and preferably are of a dimension not requiring too great an unsupported surface for the glass parts now to be described. The top closure for the heat trap comprises a glass plate 38 supported at its sides and ends by the side walls 31. Although not shown, it will be understood that where it is necessary to protect the cover plate 38, as from hailstones or the like, a suitable wire screen or other protecting means permitting light peneto plate 38. Within the enclosure thus formed, a series of glass plates 38 are mounted in spaced and substantially parallel relation and preferably staggered lengthwise of the enclosure in the manner shown. Each of said plates except special end plates 33a and 3% are provided at one end with an opaque and essentially non-reflecting area 40 preferably formed as by covering the said surface of the glass with black paint.
The opaque area thus provided preferably will be of a uniform length which is an even division of the total length of the plates 39. As here shown, the length of the opaque area, is one third the length of the entire plate except at the lower end where one plate 330: is four times the length of its opaque area and another plate 33y is five times the length of its opaque area. Also at the lower end of trap T, the surface 4| of bottom 38 .underlying the transparent portions of plates 33::
and 39y is blackened in a manner similar to the plates 39, or a sheet of material, mounted on the bottom will have its upper surface blackened, as shown. Through the arrangement just described, solar heat rays entering through plate 38 are at all times directed against a blackened surface throughout the extent of the plate assembly. Obviously, the length of the opaque areas may be increased or decreased for a given sized plate and as long as the overall effect is similar to that just described, satisfactory results will be obtained.
While the arrangement of the heat trap T thus far described is adequate for most purposes, more satisfactory results will be obtained by providing a reflective medium throughout the opaque area of the glass plates 39. Such an arrangement has been shown in Fig. 7, in which a glass plate 39M having an opaque area provided by applying black paint 40a to its top surface has the portion of its undersurface underlying paint 40a covered with a reflective material such as aluminum foil ll. Through the use of the light reflective medium, a uniform reflective surface or surface effect is obtained which serves to retard heat losses occasioned by temperature differentials between glass plates 33 and bottom 35.
The arrangement of opaque and transparent surfaces just described has the further advantage that as viewed from underneath, the blackened areas provide a uniform reflecting surface. Because of this, the heat emanating from the blackened surfaces by reason of the stoppage of the solar heat rays travels in a reverse direction to said rays with the result that with respect to any given plate, both its top and bottom surfaces are substantially heated. Therefore, when cold air flowing through duct 32 enters the enclosure and passes between the several plates 39, a heat exchange'action results which imparts an upward flow to the entering air and aids its travel to a point of escape at opening 34, although the pri mary air movement is induced by the blower in furnace 2|. Due to the aforesaid heat exchange action, a substantial increase in temperature results so that the heated air passing through opening 34 comprises an adequate heating medium for the building. This air travels through conduit 35, enters furnace intake 26and is then moved by the blower actuation to the distributor 23 and circulated through the rooms in the manner hereinbefore described.
With either type of heat trap as herein described, the parallel arrangement of the glass plates having opaque and transparent areas provides a multiple air film thermal insulation, as
tration may be mounted in overhanging relation [8 well as providing heat transfer surfaces to the air flow between the plates heated by solar radiation. Consequently, the solar heat is transformed to warm air at temperatures high enough to be adequate for house heating purposes even in extremely cold weather, and by providing sufficient capacity through the use of a battery of such heat traps, preferably arranged in adjoining relation, it is possible to generate suflicient heat to function as a heat source for various household appliances, in addition to supplying the required amount of heat for house heating purposes;
For most purposes, the heat trap will be utilized to heat a circulating air stream in the manner just described. However, it is practical to utilize this heat source in heating other fluids, such as water for example. Fig. 3 illustrates such an arrangement in which the trap T is arranged to have liquid flow between the parallel plates 43 which are generally similar to the plates 39 of Fig. 2 and pass from the enclosure through a lower outlet 44 in the bottom 45 of an enclosure similar to trap T, having side walls 46 and a transparent cover plate 41. As-in the other form, the plates have opaque areas 48 preferably covered with black paint and the surface of the bottom 45 underlying the transparent portion of end plates 43a: and 43y is covered with black paint as shown at 49.
In this form of assembly, the upright walls 46 and bottom 45 will have to be joined in watertight relation to confine the liquid and prevent leakage into other parts of the structure in which the heat trap is located. As installed, trap T will be located in an inclined position with the outlet 44 constituting the low point through which the released liquid will flow. The liquid is introduced into trap T by a series of pipes 50 supplied from one or more headers (not shown) and the conduits have a series of jet or spray optlets from which liquid passes onto'the'upper ends of the respective plates 43, 43:2, 43y and 49.
These plates are heated in the same manner as previously described through the arrangement of transparent and opaque surfaces and the liquid flowing downwardly along the plates is subjected to an intense heat-transfer action with the result that when it collects at the lower end of trap T' and passes through outlet 44, it is at a temperature adequate for the requirements of the household system. Any vapors generated in'the heat exchange action will rise in contact with the under-surface of the overhanging plate and thus are subjected to further heat exchange action. Other vapors passing out of the upper ends of the passages. between parallel plates and heated air within the enclosure tend to collect in the upper end of theenclosure and act as an additional heat source to assist in the overall heat transfer action of the unit. Moisture condensing at,any point in the upper part of the enclosure will ultimately fall on to one of the heat transfer surfaces and then descend along same to reach the outlet 44.
In use, the outlet 44 will be connected with a suitable conduit to deliver the collected contents to a storage receptacle or some other point of ultimate use within the structure. Where the units of this type are to provide the circulating water for a household radiation system, for example, it usually will be necessary to have several of such units arranged as a battery to provide the necessary capacity. When a lesser quantity of heated water is required, as for example in supplying a hot water storage tank. a
, 6 single unit will provide the required amount of heated water.
From the foregoing description, it will be apparent that the structural arrangements of the present invention may be utilized in heating a variety of fluids of which air and water are typical. Referring again to the arrangement of the circulating system shown in Fig. 1 hereinbefore described, it will be apparent that the various controls of valves, dampers, blower and the like may be automatically controlled as by thermostat regulation, for example.
It will be apparent that in the operation of the system thus far described, the heat trap T on clear days may produce an excess amount of heated air during at least a portion of its operating period. Two satisfactory methods of handling this excess have been shown in Fig. 1. For example, in the roof installation, a valve'55 may be operated to close conduit 35 and cause the heated air passing therethrough to enter a bypass conduit 55. Through suitable regulation of other valves 51 and 58, a portion of the hot air flowing through conduit 56 will pass into a stack outlet 59 while the remainder will flow back into conduit 35 and thence pass to furnace intake 26.
If the aforesaidby-pass arrangement is not being utilized in the system, valves 51 and 58 are closed and valve 55 is open to permit the direct flow of air through conduit 35. After delivery into furnace 2!, a. portion of the heated air may be diverted through suitable damper regulation and passed into a conduit 6! which discharges into a. heat storage bin 62.
Preferably, this bin is sealed and insulated from the atmosphere except for the inlet and outlet openings hereinafter to be described and a large portion of the volume of the bin is filled with a heat absorbing and retaining material 63 which preferably is a loose or spaced solid, such as sand, gravel or stacked brick, but which may be a fluid, such as tar, oil, water or the like. Consequently, when the excess of heated air discharged by furnace 2! into conduit (ii is delivered through a suitable opening 64 into bin 62, the bed 63 is gradually heated and functions as a heat storage unit of the system, and the air, after heat extraction, is recirculated to the heat trap through conduit 32. Subsequently, when heated air is no longer supplied to the furnace from heat trap T, warm air flows back through conduit 6| until diverted by a gate I30L and through a branch pipe |3I to pass into furnace 2| and is then distributed through the heat outlets in the manner previously described. The air after passing through rooms such as X and Y then returns to bin 62 via duct 21 with suitable adjustment of valves 15, I32, 3| and I33. Thus, it will be seen that excess heat produced in the operation of the solar heat trap may be utilized in the household system, if desired, or if not, may be wasted to atmosphere to prevent undue heating of building B.
It will also be desirable to provide an arrangement for heating a portion of the domestic water supply of the building at such times as the heat trap is in operation. As shown in Fig. 1, this is accomplished by providing a heat exchange unit Iii mounted about conduit 35 with a portion of the heated air passing therethrough diverted through a system of fiues or similar water jacketed passages to heat the contained water of the unit. A portion of the heated water then passes to a storage tank H, which tank has a cold water return to unit 10. The remainder of the heated water passes through a line 12 which empties into storage heater II located in the basement of building B. Suitable draw-oi! connections may be provided for both tank II and storage heater 8| and it will be understood that whenever the heat trap is unable to supply water at the required temperature, the storage unit will be operated in the usual manner to heat the water required in the household supply.
The heat trap '1 also may be utilized to provide cooled, conditioned air when required for distribution throughout the building. To accomplish this, the rumace operation is stopped and the heated air delivered through conduit 35 is passed from iurnace 2I into a refrigerator unit R through the opening of a suitable valve I8. After passing through generator 98 of refrigerator R, the air passes through duct I31 to duct 32 and recirculates to trap T, damper I39 being suitably adjusted for this operation. Air to be circulated by refrigerator R is drawn into same from duct 21 by a suitable blower unit, the course of flow 01. air through duct 21 having been changed by operation of a suitable valve I5. The air stream passing into refrigerator B after being suitably cooled is delivered to distributor 23 and then circulated through the various conduits 24a and 24b to the room outlets 25 to reduce the room temperature of rooms X and Y.
It will be understood that any suitable refrigerator unit may be used for this purpose and in order to clearly describe the practice of the invention, a suitable air conditioning unit has been illustrated in Fig. 9. This unit comprises a casing 88 having a partition 8I dividing its interior into a cooling chamber 82 and a second compartment 83 in whichmost of the operating parts are located. The cooling chamber 82 contains a blower 88 preferably having its intake 85 below the casing to receive the returned air flow diverted from duct 21 as previously described. Preferably, com partment 82 will have means for filtering incoming air which may be located at any suitable place, such as the area 88, and a means for humidiiying air which may be located at any suitable place, such as the area 85a. An outlet for the air delivered to chamber 82 is provided at its top, as shown at 81, and in the installation shown in Fig. 1, this outlet will deliver the cold air past valve 22 to distributor 23. A conduit 88 having its intake 89 located within compartment 82 extendsthrough partition 8| and discharges its contents within chamber 83 in a manner that will be hereinafter described. The mechanism of this air conditioning unit is of a conventional design of the type used in certain commercial refrigerators except for the generator unit 98 shown in chamber 83, the construction details and operation of which will now be described.
The generator has an air inlet 9| and an air outlet 92 at one of its ends and adjacent thereto a dome 83. The interior of the generator contains a tube section 84 of the general arrangement of conventional boiler construction. The end of the generator opposite inlet 9| contains a space 85 beyond the end of tube section 94 through which the hot air flows to pass into the return passages of tube section 84. A wall 98 divides the tube section into a main heating portion 91 and a secondary heating portion 98, and assists in forming a pressure head in dome 93.
This generator unit is used to vaporize ammonia from an aqueous ammonia solution by a heat transfer action and utilizes hot air supplied from heat trap T in the system shown in Fig. 1. To accomplish this. a conduit I88 delivers aqueous ammonia solution into the enclosure of tube section 88 where it is boiled by the heat transier action and the resulting vapors rise in the main heating section 81 to pass from the unit through the same conduit I88 through which the solution is delivered to the unit. This counter-current circulation has the further advantage oi preheating the solution flowing to generator 28. The gases rising through conduit I88 pass into a rectifier I84 which releases freed ammonia into a line I85 supplying a condenser I88 while the water condensed by rectifier I84 returns to conduit I88.
The gaseous ammonia entering condenser I88 is condensed to the liquid form and passes to evaporator III through conduits H8 and 1. Any uncondensed ammonia rises to condenser I861: and the liquid ammonia formed therein passes to the evaporator I I3 through conduit I28. The downflowing streams of liquid ammonia meet an upflowing stream of hydrogen gas entering evaporator II3 through conduit I34 hereinafter described, the liquid ammonia being evaporated by said hydrogen accompanied by an extraction of heat from the circulating air in body 82 and thus providing cool air for rooms X and Y. The mixed hydrogen and ammonia vapors then pass from the evaporator through conduit Ill, and the inner conduits of I I5, and heat exchanger I I2, to bulb Ill. The gases then pass upward through absorber I35 countercurrent to a downward stream of water hereinaiter to be described. The absorber I35 absorbs ammonia from the gases and the remaining hydrogen passes up the outer conduit of heat exchanger H2 to reenter evaporator II3 through conduit I38. The hydrogen reserve tank H9 serves to keep the pressure in the hydrogen system constant during room temperature changes.
When most of the ammonia has been boiled from the aqueous solution in heating section 31 the solution has a higher density and flows to the bottom of the generator 88 and underneath the baflie 96 to the secondary heating section 98 where further evolution of ammonia occurs. The ammonia gas rises into dome 83 creating a pressure which forces the dilute ammonia solution, hereinafter called water, up through conduit I8I into head tank I82. The ammonia vapor accompanying the water continues down conduit I83 to join the main ammonia stream going upward to the condenser from conduit I88. From head tank I82 the water flows by gravity down conduit I83, through the inner conduit of heat exchanger I88, and into the top of absorber I35. The water then flows down the absorber I35 counter-current to the stream of mixed gases flowing upward and absorbs the spent ammonia gases hereinbeiore mentioned. The aqueous ammonia solution then flows into bulb III, down conduit IIII, through the annular space in heat exchanger I88, and into conduit I88 through the connecting conduit I81. The aqueous ammonia then flows into the generator 98 to complete the cycle. The flow of aqueous ammonia from the absorber I 35 to the generator 88 is actuated by gravity from head tank I82.
The air diverted from chamber 82 which passes through conduit 88 reaches a distributor I2I which directs it across the surfaces of condensers I88 and I 88a after which it passes into an outlet I22 to be exposed to atmosphere in any suitable manner as through a stack (not shown).
In the operation of an installation such as that shown in Fig. 1, it frequently will be de- 9 slrable to store heat generated at heat trap T without circulating hot air through the rooms of the building, as for example, when the temperature of the room is sufficiently high through a preceding heatin operation and additional heat is passing from the discharge of the heat trap. Under these circumstances, a damper I30? in furnace 2| is moved to close the passage through valve 22 to distributor 23 and a damper I30L is opened to allow the gases entering the furnace .through intake 26 to pass into conduit 6|, the valve in branch conduit I3I being closed.-
At the same time, damper I5 is moved to shut except through conduit 6| hot air passes through duct 6| into storage bin 62. Through the opening of valve I33, a pronounced flow of air through bin 62 is obtained with the air returning therefrom entering conduit 32 past valve 3| which also has been open and thus the air returns to the entrance 33 of heat trap T.
So long as this operation is allowed to continue, the circulating air will be progressively heated, thus raising the temperature of the bed 63 in bin 62 and as this circuit is insulated from other portions and particularly the occupied portions of the building, no appreciable temperature rise occurs in these occupied portions. This circulation will be allowed to continue so long as the solar heat trap is functioning and whenever there is a further demand for heat, either from furnace 2| or air conditioner R or the water heating stages previously described, the circulation can be discontinued and the generated heat made available where required.
When stored'heat is to be used for the operation of air conditioning unit R, hot air is drawn through duct 6| from storage bin 62. This hot air proceeds to duct 35 through duct I3I by suitable adjustment of dampers I3I and mm. The hot air then flows into furnace 2| and into refrigerator R by suitable adjustment of damper l6 and after being used flows through duct I31 and I33 and back into heat storage unit 62 by suitable adjustment of vane I39 and damper I33. It is possible, if desired, to operate the refrigerator R by applying heat from natural or artiflcial gas or other similar fuel when the heat storage unit is cold and trap T is cold.
In the operation of the system previously described, the location of by-pass conduit 56 provides a convenient arrangement to prevent overheating of the storage water supply which otherwise might occur if heat exchange unit I were operated at all times when hot air was flowing through conduit 35. Whenever the temperature of the water in tank 'II reaches an established maximum, the valve 55 may be closed and valve opened to permit the flow of the hot air through branch 56 and thence back to conduit 35 without heating the water in the heat exchange unit 10. Preferably, a thermostat control will be utilized to provide automatic regulation at this stage, although manual or other types of operation may be used, if desired.
In Fig. 1, no attempt has been made to show the insulation of the heat trap, conduit, storage bin and the like. However. it will be understood from the foregoing description that suitable heat insulation'may be provided for all of the conductive parts of the system and the insulation to be used for this purpose may be any one of a variety of materials available on the market for such purposes.
Next'referring to Fig. 2, it will be understood that if desired this form of construction may be utilized as a waterheating unit rather than an air heating unit as described. In order to do. so, it will be necessary to make the entire closure, inclusive of bottom 36, side walls 31 and cover plate 38, into a watertight assembly and then pump water in under pressure through the opening 33 to effect its movement across the heat exchange surfaces and its ultimate discharge at outlet 34.
As the production of such a unit would involve construction difficulties in providin sufiicient structuralstrength to carry the load and to withstand the pressures required in the pumping action, I prefer to use the form of construction illustrated in Fig. 3 whenever the heat trap is to be used in heating water rather than a gaseous fluid.
In assembling the heat trap in the roof of a structure, various arrangements may be employed. Where the installation i to be made in existing structure, the arrangement shown in Fig.
4 is particularly suitable and comprises upright walls 31.1: which cooperate with end walls 3'! (not shown) preferably of similar width and thickness to form a boxlike enclosure. The enclosure 'has a bottom 36 of the type hereinbefore described Which preferably comprises the roofing material and the interior space of the enclosure is insulated from the building enclosure by a strip or bed of suitable heat insulating composition 36a.
As previously explained, it is necessary to have some suitabletransparent cover for the enclosure and this is most conveniently effected by arranging a plurality of glass plates in tiers or 1ayers with a portion of an end surface of one plate overtive view partially broken away to illustratean assembly of this character. While the arrangement shown in Fig. 8 is illustrative in general of all the arrangements shown in Figs. 4, 5 and 6, it is more'exactly a representation of the construction shown in Fig. 4 and consequently has been given corresponding reference numerals. In the preceding description, the arrangement of transparent and opaque surfaces has been described as being embodied in a plate of glass. While this is a preferred arrangement because of the simplicity of construction and assembly, it will be understood that the opaque black areas may be any suitable material which 'is non-reflecting, and if desired, may be separate pieces arranged in end to end relation with the transparent plates of glass or other suitable composition.
Where the heat trap units are to be installed it in new constructions, it is possible to use the rafters 31y of the roof structure as a part of the trap enclosure, mounting thereon a cover plate 38 in all respects the sameas the cover plate 38 shown in Fig. 4 and providing insulation 38a of the type previously described with a bottom portion 3h: preferably attached to and in underhanging relation to the rafters 3111. Within the enclosure, the arrangement of transparent and opaque surfaces previously described will be provided.
Still another arrangement has been illustrated in Fig. 6 in which the enclosure is formed to seat upon rafters 31a and has end walls (not shown) similar to those previously described. A bottom piece 362 encloses the space between two adjoining rafters 312 while the usual type of transparent cover plate will be provided at the 'top of the enclosure. As clearly shown in Fig. 6, the material of the bottom portion 362 is U shapedin section and fits against the top and side surfaces of the rafter 312. Through this arrangement, it is possible to order anyrequired number of such trap units and mount same on rafters or other upstanding supports with the respective units joined in side by side relation as indicated in Fig. 6.
From the foregoin description, it will be apparent that the solar heating system of the present invention is well suited for incorporation in new constructions or in existing structures, and only a minor amount of the habitable space of the house or other structure is occupied by component parts of the system. When desired, the solar heat trap may be supplemented as a. heat source by standard type furnaces, water heaters and refrigerators, although with proper capacity in the heat trap and heat storage units such standby appliances will be unnecessary in many closure and a transparent cover disposed to intercept solar rays, said trap having an inlet end and an outlet end, series of glass plates arranged in spaced and substantially parallel relation to the cover plate andto one another with their ends in overlapped relation and in spaced relation to the ends of the enclosure, each said plate having a transparent portion and an opaque portion, and the series of opaque portions being arranged to provide a continuous radiation-absorption surface to the solar rays entering through the transparent cover, and means including a fluid-circulating mechanism for flowing streams of fluid along the succession of plates from one end of said series to the other.
2. In a solar heat tra having a box-like enclosure and a transparent top closure positioned to admit solar rays to the trap, a series of transparent heat exchange members arranged in vertically spaced tiers within the trap and in substantially parallel relation to said closure to provide a plurality of fluid-conducting passages, at least a portion of the surface underlying each transparent area being constructed and arranged to have a non-reflective area directed toward the sun and a reflective area directed away from the sun on at least all tiers except the lowermost to 12 thereby maintain a heat-transfer action on the top and bottom surfaces of the heat exchange members, and said nonreflective areas collectively providing a continuous non-reflective surface throughout at least one dimension of the trap.
3. In a solar heat trap having a box-like enclosure and a transparent top closure positioned to intercept solar rays, said trap having an inlet end and an outlet end, a series of transparent heat exchange members arranged in vertically spaced tiers within the trap and in substantially parallel relation to said closure to provide a plurality of fluid-conducting passages, at least a portion of the surface underlying each transparent area being constructed and arranged to have a nonreflectlve area directed toward the sun and a refiective area directed away from the sun on at least all tiers except the lowermost to thereby maintain a heat-transfer action on the top and bottom surfaces of the heat exchange members, and said non-reflective areas collectively providing a continuous non-reflective surface throughout the trap.
4. A heating system for buildings comprisin means on an exterior surface of a building for heating air with solar rays, air circulating means, inclusive of a blower and conduits, for delivering air so heated into a room of the building and for returning cool air from said room to the solar heating means, a water heating unit in the building associated with one of said conduits and arranged to heat the water by the passage there through of hot air from the solar heating means, and a valve-controlled by-pass conduit for conducting said hot air around said water-heating unit when the water therein attains a predetermined temperature.
5. The process of heating a fluid within an enclosed space having inlet and outlet ends and a transparent portion exposed to solar radiation entering said space in a position substantially perpendicular to the rays, which comprises exposing a plurality of spaced, transparent heatexchange units disposed in substantially parallel relation to the transparent portion exposed to the solar rays and supported in spaced relation to said inlet and outlet ends of the enclosed space, at least a portion of each said unit being opaque so as to induce a counterfiow between radiant and sensible heat within the space between superposed units. and a superposed portion of another unit in the path of said sensible heat counterflow being transparent, and passing the fluid to be heated between the inlet and the outlet in contacting relation with the respective heat-exchange surfaces of said units so as to impart a progressive temperature increase to the fluid contacting said surfaces.
6. The process of heating a fluid within an enclosed space having inlet and outlet ends and a transparent portion exposed to solar radiation entering said space in a position substantially perpendicular to the rays, which comprises exposing a plurality of spaced, transparent heat-exchange units disposed in substantially parallel relation to the transparent portion exposed to the solar rays and supported in spaced relation to said inlet and outlet ends of the enclosed space, at least a portion of each said unit being opaque so as to induce a counterflow between radiant and sensible heat within the space between superposed units and a superposed portion of another unit in the ath of said sensible heat counterflow being transparent, and passing a gas to be heated from a lower inlet in said enclosed space to an upper outlet therefrom and in contacting relation with the respective heat-exchange surfaces of said units so as to impart a progressive temperature increase to the fluid contacting said surfaces.
7. The process of. heating a fluid within an enclosed space having inlet and outlet ends and a transparent portion exposed to solar radiation entering said space in a position substantially perpendicular to the rays, which comprises exposing a plurality of spaced, transparent heatexchange units disposed in substantially parallel space to a lower outlet therefrom and in contacting relation with the heat-exchange surfaces of said units so as to impart a progressive temperature increase to the fluid contacting said surfaces. 8. A process as defined in claim 5, in which the fluid entering through said inlet is at a temperature substantially below the temperature of said heat-exchange units.
9. The process of heating a fluid within an enclosed space having inlet and. outlet ends and a transparent portion exposed to solar radiation entering said space in a position substantially perpendicular to the rays, which comprises exposing a plurality of spaced, transparent heatexchange units disposed in substantially parallel relation to the transparent portion exposed to the solar rays and supported in spaced relation to said inlet and outlet ends of the enclosed space, at least a portion of each said unit being opaque so as to induce a counterflow between radiant and sensible heat within the space between superposed units, and a superposed portion of another unit in the path of said sensible heat counterflow being transparent, circulating air from a space to be heated through the counterflow zone between said units from one end to the other thereof in contact with the top and bottom surfaces of said units and conducting the air thus heated to the space from which it has been withdrawn so as to impart a progressive temperature increase to the fluid contacting said surfaces.
10. The process of heating a fluid within an enclosed space having inlet and outlet ends and a transparent portion disposed substantially perpendicular to solar radiation entering said space,
which comprises exposing a plurality of spaced,
transparent heat exchange units disposed in substantially parallel relation to said transparent portion exposed to the solar rays and supported in spaced relation to inlet and outlet ends of the enclosed space, at least a portion of each said unit being opaque so as to induce a counterflow between radiant and sensible heat within the space between superposed units, and a superposed portion of another unit in the path of said sensible heat counterflow being transparent, and
passing the fluid to be heated between the inlet and the outlet in contacting relation with the respective heat-exchange surfaces of said units so as to impart a progressive temperature increase to the fluid contacting said surfaces.
11. In a process of heating a fluid within an enclosed space having a transparent portion disposed substantially perpendicular to the path of solar radiation in a position to intercept such radiation entering said space, exposing a pluiality of spaced transparent heat-exchange units disposed in parallel to the transparent portion intercepting said radiation and supported in spaced relation to the ends of said space, at least a portion of each said unit being opaque so as to induce a counterflow between radiant and sensible heat within the space between superposed units, thereby heating the upper and lower surfaces of said units substantially uniformly circulating air from a space to be heated through said enclosed space in a plurality of streams at different elevations therein, each said stream being directed in contacting relation with the upper and lower surfaces of a plurality of said units to extract heat therefrom and returning the air thus heated to the space from which it has been withdrawn.
12. In a solar heat'trap having a box-like enclosure and including inlet and outlet ends, a transparent cover disposed in the path of solar radiation throughout substantially its entire area, a series of glass plates supported in vertically spaced and substantially parallel relation in the enclosure and spaced from the inlet and outlet ends, said plates being inclined at a substantial angle to the direction of solar rays admitted by said cover; the ends of said plates being arranged in overlapped relation and said plates including opaque and transparent portions so as to provide continuous radiation-absorption surfaces to the solar rays entering through the cover; and means, including a fluid-circulating mechanism, for flowing streams of fluid along the succession of plates from one end of the series to the other, and the transparent areas of upper plates being arranged in vertically-spaced relation to the opaque areas of an adjoining lower plate so as to bring said circulating fluid into contact with surfaces of progressively increasing temperature during exposure to solar rays as said fluid travels from the inlet end to the outlet end of said enclosure.
13. A heat tra as deflned in claim 12 in which the opaque portions'of the plates comprise a layer of black paint on the upper surface and a layer of metal foil on the under surface of the glass.
14. In a solar'heat trap having a box-like enclosure-including inlet and outlet ends, a transparent cover disposed in the path of solar radiation throughout substantially its entire area, a series of glass plates supported in vertically spaced and substantially arallel relation in the enclosure and spaced from said inlet and outlet ends, said plates being inclined lengthwise in the enclosure in a position to expose a major portion of their surfaces to solar radiation admitted by said cover, the ends of said plates being arranged in overlapped relation and said plates including opaque and transparent portions so as to provide continuous radiation-absorption surfaces to the solar rays, means, including a fluid-circulattact with surfaces of progressively increasing temperature during exposure to solar rays as said fluid travels from the inlet end tothe outlet end a of said enclosure.
a series of relatively transparent plates extending across the chamber in spaced relation with their upper surfaces adapted to transmit solar radiation and arranged to divide the chamber into at least one upper and at least one lower passageway and to collectively cover the crosssectional extent of the chamber except at the inlet and outlet ends, said plates being disposed in substantially parallel relation to the surface on which the chamber is supported and the plates in an upward progression being arranged to progressively lap the next lower plate in the direction of the outlet end, heat-absorbing media positioned under at least a portion of said plates so as to absorb the solar radiation transmitted through said plates and to convert said solar radiation into sensible heat, and means including a fluid circulating mechanism, for flowin streams of fluid along the succession of plates from one end of the series to the other so as to 16 each other \in a stepped relation, said absorption sheets being further arranged in substantial parallelism to the transparent wall of the box and aligned along a diagonal plane of the box subdividing the latter susbtantially into two sec-.
tions, said transparent portions of each heat absorption sheet covering the heat absorbing portion of the absorption sheet beneath it, the
:spaces between the absorption sheets forming bring the fluid into contact with surfaces of w progressively increasing temperature as it travels from the inlet to the outlet end of the chamber.
16. A solar heater comprising a box with a transparent cover portion inclined toward the horizontal, a series of spaced parallel heat absorption sheets partly transparent and partly covered with a heat absorbing layer, said heat absorption sheets being arranged one above the i other in a stepped relationship along a zone subdividing the box substantially into two sections communicating with each other by passages formed by the spaces left between adjacent absorption sheets, the transparent portion of each sheet covering the portion of the sheet located underneath which is covered with the heat absorbing layer, an air inlet in communication with one of the subdivisions of the box, and an air -outlet in communication with the other subdi vision of the box, a water heating system and means for transmitting the heat carried by the air, circulating between the outlet and inlet of the box, to said water heating system.
17. A solar heater comprising a box with a transparent cover portion and with a parallel bottom portion, both inclined toward the horizontal, a series of closely adjacent spaced, partly transparent and partly opaque heat absorption sheets, arranged one above the other in a stepped relationship, each sheet overlapping a portion of the sheet underneath, the entire series of absorption sheets being arranged in a zone running diagonally through the box and inclined toward the horizontal, said series of absorption sheets subdividing the box substantially into two sections communicating by the passages left bepassageways extending substantially along one plane for transmitting heat from the adjacent heat absorption sheets to the circulating air, an air intake means at the lower end of the box, an air discharge means at the upper end of said box to produce a continuous circulation of the air, the circulating air within said box being divided into a plurality of thin air streams spread over large heated surfaces for eflfective heat transmission during circulation through said box.
19. A solar heater comprising a box with a transparent cover portion, inclined toward the horizontal, a series of spaced, parallel heat absorption sheets, partly transparent and partly covered with a heat absorbing layer, said heat absorption sheets being arranged one above the other in, a stepped relationship along a zone subdividing the box substantially into two sections communicating with each other by the passages between the absorption sheets, the transparent portion of each sheet covering the portion of the sheet located underneath which is covered by the heat absorbing layer, an air inlet in communication with one section of the box, an air outlet in communication with the other section of the box, a closed air circulation system outside the box between said air inlet and said air outlet including a heat exchanger comprising means providing separate paths for the passage of air tween adjacent absorption sheets thus exposing the volume of the air circulating between the sections of the box to the action of the heat absorption sheets, an inlet opening in one section of the box an outlet opening in the second section of the box, a closed air circulation system outside the box between the air inlet and the air outlet, a water heating system,'a heat exchanger forming part of said water circulating system arrangedwithin the air circulating system for transmitting the heat acquired by the air circulating in the air circulating system to the heat exchanger of the water circulating system.
18. A solar heater comprising a box with a transparent wall, inclined toward the horizontal at a predetermined angle, a series of spaced paralle partly transparent heat absorption sheets arranged one above the other and overlapping and water therethrough in heat exchange relationship, and a water storage and circulatin system including a tank, a pipe system connected with said water circulating system and the water passage means of said exchanger, means for feeding cold water to said water circulating system and means for withdrawing warm water from said water circulating system.
Reterencescited in the file of this patent UNITED STATES PATENTS Number Name Date 102,633 Wheeler et al. May 3, 1870 117,476 Sperry July 25, 1871 201,439 Moreau Mar. 19, 1878 246,626 Morse Sept. 6, 1881 291,146 Calver Jan. 11, 1884 300,995 Meeker June 24, 1884 430,762 Taylor June 24, 1890 965,391 Little July 26, 1910 984,585 McHenry Feb. 21, 1911 995,219 Bradley June 13, 1911 1,130,870. Willsie Mar. 9, 1915 1,338,644 Arthur Apr. 27, 1920 1,467,005 Lawrence Sept. 4, 1923 1,661,473 Goddard et al. Mar. 6, 1928 1,814,897 Coxe July 14. 1931 1,888,620 Clark Nov. 22, 1932 2,221,971 Haywood Nov. 19, 1940 2,241,070 McLenegan May 6, 1941 2,311,579 Scott Feb. 18, 1943 2,342,211 Newton Feb. 22, 1944 2,348,835 Mueller May 16, 1944 2,469,496 Christenson May 10, 1949 Stelzer Oct. 11, 1949
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|Method of solar heating so as to reduce oil and gas consumption
|Nov 3, 1975
|Dec 14, 1976
|Milton Meckler
|Environment assisted hydronic heat pump system
|Jun 23, 1975
|Dec 14, 1976
|Mason George F
|Automatic air flow control
|Nov 12, 1975
|Jan 4, 1977
|Volkmar Heilemann
|Solar-heated dwelling
|Mar 14, 1975
|Feb 8, 1977
|Aktiebolaget Svenska Flaktfabriken
|Arrangement for utilizing solar energy for heating buildings
|Jul 2, 1975
|Apr 12, 1977
|Taylor Max F
|Solar heating system
|Jul 9, 1975
|Apr 19, 1977
|Aai Corporation
|Solar energy collection and transfer arrangement and method, and method of assembly
|Oct 20, 1975
|May 3, 1977
|H. H. Robertson Company
|Light transmitting building panel
|Nov 14, 1975
|Jun 14, 1977
|Strong John D
|Solar energy transport system
|Nov 14, 1975
|Jun 14, 1977
|Sun Unlimited Research Corporation
|Solar energy collector
|Dec 8, 1976
|Sep 20, 1977
|Rugenstein Robert W
|Solar heated building structure
|Jun 27, 1975
|Sep 27, 1977
|University Patents, Inc.
|Solar energy device and system
|Oct 1, 1975
|Oct 4, 1977
|Halm Instrument Co., Inc.
|Heat transfer block means
|Apr 5, 1976
|Oct 4, 1977
|Floyd Randolph Granger
|Environmentally heated and cooled building
|Aug 18, 1975
|Dec 6, 1977
|Lof George O G
|Solar heating system and operation thereof
|Jun 4, 1975
|Mar 28, 1978
|Gas Developments Corporation
|Air conditioning apparatus and method
|Jan 31, 1977
|Jun 13, 1978
|Aai Corporation
|Method of assembly of an insulating panel arrangement
|May 19, 1977
|Aug 1, 1978
|The United States Of America As Represented By The Secretary Of Agriculture
|Solar heated and cooled dwelling
|Jul 1, 1977
|Sep 26, 1978
|Nyle Orland Movick
|Heating apparatus
|Jan 21, 1977
|Nov 21, 1978
|Hummel Richard L
|Solar energy collection system
|Nov 5, 1976
|Jan 2, 1979
|Ramer James L
|Solar heating for home use
|Dec 23, 1976
|Jan 23, 1979
|Tokyo Shibaura Electric Co., Ltd.
|Dwellings equipped with a room-heating device and hot water feeder based on solar heat
|Dec 23, 1976
|Feb 6, 1979
|Tokyo Shibaura Electric Co., Ltd.
|Air type solar heating system
|Apr 13, 1976
|Mar 20, 1979
|Halm Instrument Co., Inc.
|Solar energy collector
|Sep 15, 1977
|Apr 24, 1979
|Margot Elizabeth Peters
|Easy access energy conversion panels for solar heating systems
|Feb 21, 1978
|May 15, 1979
|Dennen Nancy L
|Dual dome structure for obtaining heating through solar energy
|Feb 17, 1978
|Jan 8, 1980
|Holbrook Edward M
|Solar energy system for heating and cooling of buildings utilizing moist air cycles
|Apr 11, 1978
|Mar 11, 1980
|Rugenstein Robert W
|Solar heated building structure
|Jun 29, 1978
|May 20, 1980
|Fodor Joseph E
|Solar heater
|Jun 2, 1978
|Jul 22, 1980
|Erickson Donald P
|Air distribution control system
|Feb 5, 1979
|Oct 21, 1980
|Hedback Corp.
|Flow director
|May 19, 1978
|Jan 6, 1981
|Rom-Aire Solar Corporation
|Solar collector
|Mar 3, 1978
|Feb 17, 1981
|Stichting Bouwcentrum
|Method and apparatus for utilizing solar heat for heating a building
|Aug 12, 1977
|Apr 21, 1981
|Union Carbide Corporation
|Solar air heater
|Nov 6, 1980
|Feb 23, 1982
|Fodor Joseph E
|Solar heater
|Apr 18, 1980
|Apr 6, 1982
|Union Carbide Corporation
|Solar heater with integral heat trap glazing
|Dec 10, 1979
|Apr 13, 1982
|Cox Howard E
|Temperature control system
|Jun 11, 1980
|Jan 25, 1983
|Mcdaniel Grady L
|Supplemental heating system using solar radiation
|Nov 9, 1979
|Mar 22, 1983
|Motorola Inc.
|Heat energized vapor adsorbent pump
|Feb 2, 1982
|Sep 20, 1983
|Ralph Mondragon
|Solar heating system
|Nov 13, 1981
|Jun 5, 1984
|Kim Powers
|Thermal heat storage and cooling system
|Mar 26, 1982
|Sep 18, 1984
|Purdue Research Foundation
|Louvered air-heating solar collector
|Apr 16, 1979
|Oct 23, 1984
|Sieradski Leonard M
|Solar heating system
|Oct 31, 1983
|Nov 12, 1985
|Saunders Norman B
|Dual storage heating and cooling system
|Mar 9, 1999
|Apr 18, 2006
|Edmond Krecke
|Air conditioning system for buildings and air-conditioned building, especially a zero energy house
|Feb 28, 2006
|Oct 14, 2008
|Doherty Paul M
|Solar air heater
|Mar 22, 2003
|Jan 27, 2009
|Niket Keshav Patwardhan
|Low cost solar energy extraction
|Dec 3, 2008
|Feb 26, 2013
|Mark A. Mueller
|System for solar heating water using a glass absorber
|Jan 3, 2013
|May 20, 2014
|Kirk Russell Stevens
|Energy-efficient building structure having a dynamic thermal enclosure
|Jun 25, 2009
|Jun 24, 2014
|Jason W. Edens
|Solar powered furnace and furnace array
|Mar 21, 2003
|Dec 18, 2003
|Boyd Robert W.
|Apparatus with a series of resonator structures situated near an optical waveguide for manipulating optical pulses
|Feb 28, 2006
|Aug 30, 2007
|Doherty Paul M
|Solar air heater
|Mar 4, 2010
|Rural Renewable Energy Alliance, Inc.
|Solar powered furnace and furnace array
|Dec 3, 2008
|Jun 3, 2010
|Mueller Mark A
|System for solar heating water using a glass absorber
|Jun 23, 2014
|Dec 25, 2014
|Gaurav BAZAZ
|Artificial wind generator
|Oct 22, 1975
|May 5, 1977
|Energietechnik Gmbh
|Anlage zur waermerueckgewinnung und zur gleichzeitigen ausnutzung von luft- und sonnenenergie
|Feb 19, 1976
|Sep 2, 1976
|Owens Illinois Inc
|Jul 26, 1982
|Jan 26, 1984
|Ernst Dipl Ing Traebing
|Method of building and/or operation to improve the use of energy
|Dec 1, 1987
|Jul 14, 1988
|Walter Dipl Ing Scheu
|Foundation absorber for obtaining and storing ambient heat for a monovalent heat-pump heater
|Oct 22, 1994
|Apr 25, 1996
|Manfred Weber
|Room air-conditioning system
|Mar 18, 1994
|Jul 20, 1995
|Zapf Werner Kg
|Bauwerk in Fertigbauweise aus Stahlbeton oder einem Ersatzstoff
|Jan 23, 1981
|Aug 5, 1981
|Hada Limited
|Roof and the enclosed attic for a house heated by solar energy
|Jul 15, 2002
|Jan 30, 2003
|Nuaire Limited
|Ventilating system
|U.S. Classification
|126/591, 62/235.1, 126/704, 126/632, 237/19, 126/617, 165/904, 126/648, 165/49, 165/236
|International Classification
|Cooperative Classification
|European Classification


text:
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Canada's Conservative Party-led government seems to be probing the public interest in joining a U.S. antimissile initiative, the Globe and Mail reports.
Conservative-controlled panels in the Canadian Senate and House of Commons are interviewing experts about the costs and benefits of collaborating with the United States on a missile defense framework to protect North America, according to the Tuesday article. In 2005, then-Canadian Prime Minister Paul Martin of the Liberal Party opted to turn down a U.S. request to participate in regional missile defense.
A change in political leadership as well as perceptions of a growing threat posed by North Korea's long-range missile development have prompted Ottawa to reassess its stance on the issue, according to Colin Robertson, vice-president of the Canadian Defense and Foreign Affairs Institute.
"I think the government is testing the waters to see whether the conditions are right," said Robertson, who favors joining the U.S. missile shield.
Philip Coyle, a onetime head of the Pentagon's weapons testing and evaluation office, in Monday testimony to the Senate criticized U.S. missile defense efforts as ineffective. "The hardware being deployed in Alaska and California has no demonstrated capability to defend the United States, let alone Canada, against enemy missile attack under realistic operational conditions," Coyle said.
He was referring to the 30 interceptors currently fielded on the West Coast as part of the Ground-based Midcourse Defense system — the country's principal defense against a limited strategic ballistic missile strike.
Conference of Defense Associations Institute analyst David Perry said he believes the Canadian government is "floating a trial balloon" with the parliament hearings.
Defense Minister Rob Nicholson's office would not answer a question on whether the government is considering changing its mind about missile defense cooperation with Washington.
"No decision has been made to change this policy," said his spokeswoman, Johanna Quinney. "We will continue to monitor international developments."
What We're Following See More »
About 5,500, according to official estimates. "The Monday figures marked a large increase from the protests at the Republican National Convention in Cleveland, where even the largest protests only drew a couple of hundred demonstrators. But it's a far cry from the 35,000 to 50,000 that Philadelphia city officials initially expected."
Only a day after FiveThirtyEight's Now Cast gave Donald Trump a 57% chance of winning, the New York Times' Upshot fires back with its own analysis that shows Hillary Clinton with a 68% chance to be the next president. Its model "calculates win probabilities for each state," which incorporate recent polls plus "a state's past election results and national polling." Notably, all of the battleground states that "vote like the country as a whole" either lean toward Clinton or are toss-ups. None lean toward Trump.
On the second ballot, the Indiana Republican Party's Central Committee tapped Lt. Gov. Eric Holcomb as their nominee to succeed Gov. Mike Pence this fall. "Holcomb was a top aide to former Gov. Mitch Daniels and Sen. Dan Coats and a former chairman of the state Republican Party."
"Negotiations are underway to have Bernie Sanders officially nominate Hillary Clinton for president at the Democratic National Convention on Tuesday night, a move that would further signal party unity. According to a source familiar with the talks, the Vermont senator would nominate the presumptive Democratic nominee after the roll call vote."
Bernie Sanders said he'll begin pivoting his campaign to an organization designed to help candidates at the local level around the country. At a breakfast for the Wisconsin delegation to the DNC this morning, he said the new group will "bring people into the political process around a progressive agenda," as it supports candidates "running for school board, for city council, for state legislature."


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Don't Worry, Even Your Hair Product Is Kosher Now
Sure, the name Kosher Kurls may be a play on words (founder and hairstylist Davida Aprons admits it—you're applying it to your hair, not actually eating it), but that doesn't mean the vegan leave-in conditioner doesn't do an amazing number on your curls. Inspired by her own curly-hair needs, Aprons created a product for all manner of waves and spirals, just with a witty, Kosher-inspired spin (if you haven't figured it out by now, yes, she's Jewish). Either apply a schmear of Kosher Kurls to post-shower, towel-dried hair for defined, soft, frizz-free curls. Or, use Aprons trick and mix Kosher Kurls with water in a spray bottle and "schpritz" it on dry hair to revive your curls, anytime. Stop kvetching about your wayward curls and try it already!
Kosher Kurls Leave-In Conditioner, $18, available at Kosher Kurls.
- Beauty |
- Best Hair Product Guide |
- Curly Hairstyles |
- Hair | New Hair Products-- Curly Hair Products
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Coco Chanel once said, "A woman who cuts her hair is about to change her life." Now, we know what you're thinking: Save the Chanel quotes for Pinterest. But there is a vast amount of truth to this age-old adage. Take, for example, Hollywood. We all know the typical examples of career-making haircuts — Twiggy attributes her ...
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Noida metro and industrial corridor issues resolvedTo fast-track developmental projects, officials of the Greater Noida authority and the Delhi Mumbai industrial corridor development corporation (DMICDC) held a meeting in Greater Noida on Thursday evening and resolved all issues coming in the way of ... Hindustan Times, 1 month ago
NOIDA-DMICDC plans Rs. 20,000 cr metro line - Nbmcw.com, 1 month ago
Affordable housing is Noida Extension's strongest USP - Moneycontrol.com, 1 month ago
16 images for delhi mumbai industrial corridor development
DMICDC launches logistics data services at JNPT
Mumbai, Jul 1 () Delhi Mumbai Industrial Corridor Development Corporation (DMICDC) today launched the logistics data services at Jawaharlal Nehru Port Trust in Navi Mumbai. DMICDC and Japanese IT major NEC Corporation have formed a joint venture ...Times of India, 4 weeks ago PTI - DMIC (BCM31) - DMICDC launches logistics data services at JNPT Namibia Press Agency, 4 weeks ago
Centre clears Rs 6,880-cr infra plan for industrial area in Maharashtra
Infra development plan for the Shendra-Bidkin industrial area, close to Aurangabad, part of the proposed Delhi Mumbai Industrial CorridorBusiness Standard, 3 days ago 'Land allotment for 4 industrial cities in DMIC from October' Economic Times, 2 weeks ago Land allotment for four industrial cities in DMIC to begin from October: Alkesh Sharma India Infoline, 2 weeks ago
All land acquired by us is free of litigation: Delhi-Mumbai Industrial Corridor's Alkesh Sharma
The government's policy is that farmers should not be put at a loss, which is reflected in our acquisition process as well. Each state has its own method of land acquisition. In Gujarat we say that if you give us land, we will give you half the land ...Financial Express, 1 month ago All land acquired by us is free oflitigation Yahoo! India, 1 month ago
Maharashtra to start inviting DMIC investment in Sept
MUMBAI: Maharashtra is on track to start allotting plots for the Aurangabad node of the Delhi-Mumbai Industrial Corridor (DMIC) project by September, says managing director of the Aurangabad Industrial Township AITL Vikram Kumar. The plots will be ...Times of India, 1 month ago Dholera SIR readies plan for anchor investors Nbmcw.com, 2 months ago India tempts European, Asian investors to $100bn Delhi-Mumbai corridor Global Construction Review, 2 months ago
Pollution fight: Centre may ply CNG trucks on Delhi-Mumbai corridor
The government's strategy behind replacing diesel with cleaner gas as fuel is based on two principles first to reduce pollution and second to expand the gas market. After rolling out two-wheelers running on compressed natural gas (CNG), the ...Financial Express, 2 weeks ago
Cargo airport could boost Bhiwadi real estate; should you invest?
Bhiwadi has been developed as a prominent industrial hub close to Delhi-NCR and its affordable tag and infrastructure has made it a chosen destination among realty investors. If you talk to any real estate expert on favoured investment ...Financial Express, 2 weeks ago
Commerce Ministry to soon approach cabinet for setting up NICDA
NEW DELHI: The Commerce and Industry Ministry would soon approach the cabinet for setting up of the National Industrial Corridor Development Authority (NICDA), which would facilitate setting up of industrial corridors. "Government is going to set ...Economic Times, 2 months ago ComMin to soon approach cabinet for NICDA Moneycontrol.com, 2 months ago The Commerce and Industry Ministry to soon approach cabinet for NICDA Financial Express, 2 months ago
HDIL to sell land parcels near Mumbai, cut debt 27% in FY17
New Delhi, Jun 14 () Realty firm Housing Development and Infrastructure (HDIL) is in talks to sell 3-4 land parcels near Mumbai as it looks to bring down its net debt to about Rs 2,000 crore by the end of this fiscal. The company's net debt stood ...Times of India, 1 month ago
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Manufacturing and Make in India: 12 Things to Know
In line with the Make in India initiative, the government is also developing the VizagChennai Industrial Corridor, which is part of the East Coast Economic Corridor, the country's first coastal economic corridor. The service sector has been a ...India Infoline, 1 month ago
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Channel Sponsor - Coding/Billing/Collections
Sponsored by National Medical Billing Services | firstname.lastname@example.com | (636) 273-6711
10% of Physicians May Adopt Direct Pay Practices, Drop Medicare Coverage
Of the 14,000 physicians surveyed by Merritt Hawkins for The Physicians Foundation, 6.8 percent of physicians plan to stop taking insurance and instead opt for direct primary care.
Experts attribute the trend to uncertainty with Medicare payments and the problematic sustainable growth formula, according to the report.
About 20 percent of physicians are already restricting the number of Medicare patients they will accept.
More Articles on Coding, Billing and Collections:
A Deeper Look at ICD-10: 5 Tips for a Smooth Transition
AHIP: New York, Texas Have Highest Out-of-Network Medicare Bills
8 Ways to Combat Spine Surgery Claim Denials
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