Animation of a progressive cavity pump. Shows the pump's rotor, stator and the containing pipe. Above the pump there is an illustration of the cavities between the rotor and the stator. <a href="//commons.wikimedia.org/wiki/User:Petteri_Aimonen/Progressive_cavity_pump_POV-Ray_source" title="User:Petteri Aimonen/Progressive cavity pump POV-Ray source">POV-Ray source code</a>.
<a href="//commons.wikimedia.org/wiki/User:Petteri_Aimonen" title="User:Petteri Aimonen">Petteri Aimonen</a>
<span class="int-own-work" lang="en">Own work</span>