valve samayam

oru pisttan enchinil, vaalvukal thurakkunnathinum adaykkunnathinum krithyamaaya samayamaan valve samayam. oru aantharika jwalana enchinil avaa saadhaaranayaayi poppatt vaalvukalayirikkum, oru steem enchinil avaa saadhaaranayaayi slide vaalvukalo pisttan vaalvukalo aayirikkum.
aantharika jwalana enchinukal.
kaamshaaft.
naalu-strock saikkil enchinukalilum chila rund-strock saikkil enchinukalilum, valve samayam niyanthrikkunnath kaamshaaftaanu. kaamshaaft parishkkarichukondu ithu vyathyaasappeduthaam, allengil enchin pravartthana samayat variable valve samayakramam anusarichu ithu vyathyaasappedaam. valve samvidaanathinte krameekaranavum, prathyekichu tappett clearance ithine badhikkunnu. ennirunnaalum, eee vyathiyaanam saadhaaranayaayi anaavasyamaanu.
valve ovarlaappu cheiyunnu.
parambaraagatha nischitha valve samayakramathil, oru enchinu exhost strockinte avasaanathil, intekkum exhost vaalvukalum thurakkumbol "valve ovarlaappu" kaalayalav undaakum. exhost vaathakangal silindaril ninnu poornnamaayum purathupokunnathinu munbu intake valve thurakkukayum avayude ganyamaaya vegatha puthiya charge edukkaan sahayikkukayum cheiyunnu. enchin designermar lakshyamidunnathu intake vaalvil ninnulla puthiya charge athumbol thanne exhost valve adaykkukayaanu, onnukil puthiya charge nashtappedukayo allengil velluviliyillaatha exhost vaathakam nashtappedukayo cheiyunnathu thadayunnu. rekhaachithrathil, valve ovarlaappu kaalayalavukal soochippikkunnathu chuvapp, neela aarkkukalude ovarlaappaanu. 
thacola
pisttan head topp dedd centarilo bottom dedd centarilo athunnathinu munbu valve thurakkunnu. topp dedd centarilo bottom dedd centarilo athunnathinu munbu vaalvukal thurakkunna crank shaaft digriyile alavu valve ledu ennariyappedunnu. topp dedd centarilo bottom dedd centarilo ethiya sesham vaalvukal adaykkunna crank shaafttile alavu valve laag ennariyappedunnu. valve ovarlaappu cheyyumbol intake eyar upayogichu exhost vaalvukal thanuppikkunnathinulla oru dvitheeya maargamaan valve ovarlaappu. valve seettukalilekku choodu neekkam cheythaanu praadhamika thanuppikkal nadathunnathu.
variable valve samayam.
rays kaar enchinukal polulla thaarathamyena uyarnna vegathayil pravartthikkunna enchinukalkku paramavadhi volumetric kaaryakshamathaykkaayi avayude valve samayangalil ganyamaaya ovarlaappu undaakum. rooad kaar enchinukal vyathyasthamaan, kaaranam avaa 1000 arpmil thaazhe nishkriyamaakendathundu, koodaathe amithamaya valve ovarlaappu puthiyathum exhost vaathakangalum kalarnnathinal sugamamaya nishkriyatha asaadyamaakkum. kaamshaafttukalude aapekshika koneeya sthaanathu cheria mattangal varuthukayum athuvazhi valve ovarlaappu maattukayum cheiyunnathiloode uyarnna arpmil paramavadhi shakthiyum kuranja arpmil minusamarnna nishkriyathayum nalkaan variable valve samayathinu kazhiyum.
portt cheytha enchinukal.
pala tuu-strock saikkilukalkkum ellah vaankal enchinukalkkum camshafto vaalvukalo illa, koodaathe porttukal mesheen cheiyunnathiloodeyum koodaathe/allengil pisttan scurt (tuu-strock aaplikkeshanukal) parishkkarikkunnathiloode maathrame portt samayam maattaan kazhiyoo. ennirunnaalum, chila supercharged tuu-strock deesal enchinukalkku (wilks airo enchin polullava) naalu-strock saikkil enchinu samanamaaya silindar head, poppatt vaalvukal undu.
tappett clearance.
oru deesal enchinte valve samayakramam inlettinteyum exhost vaalvukaludeyum tappett clearancine aasrayichirikkunnu.
tappett clearance kurravaanengil, valve neratthe thurakkukayum vaikiyum adaykkukayum cheyyum. tappett clearance kooduthalaanengil, valve vaikiyum neratthe adaykkukayum cheyyum. pheel gej enna upakaranathiloodeyaanu tappett clearance alakkunnathu.
baahya jwalana enchinukal.
steem enchin polulla oru baahya jwalana enchinil, valve samayathinte niyanthranam valve gearaanu. oru saadhaarana pisttan valve krameekaranatthil, oro silindarinum ulla intekkinginteyum exhost evantukaludeyum samayam verthirikkaanaavaathavidham bandhappettirikkunnu, kaaranam avaa niyanthrikkunnath rund porttukal thurannukaattunna orotta pisttaninte chalanamaanu. ennirunnaalum, intake evantinte dairkhyam reversing gear upayogichu niyantrikkaan kazhiyum ("katt-oof") ithu cruising saahacharyangalil neeravi upayogam kuraykkunnu.
caproty valve gear oru aantharika jwalana enchinumaayi kooduthal adutha bandhamullathaan, poppatt vaalvukal upayogikkunnu, koodaathe upabhogathinteyum exhost evantukaludeyum swatantra samayam anuvadikkunnathinaanu ithu vikasippicheduthath. pisttan vaalvukalo muun slide vaalvukalo pole ithu orikkalum vyaapakamaayi upayogichirunnilla.

