Rotating check valve for compression equipment

Details Rotating check valve for compression equipment Rotating check valve for compression equipment

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 3/00 (2006.01)

Patent

CA 2578869

Methods and apparatus for controlling the flow through a compressor with a valve assembly comprising a rotating body having an outer surface. The rotating body is disposed within a valve cavity in the compressor. A non- contacting seal operates to limit the flow of fluid between the outer surface of the rotating body and the valve cavity. An aperture is disposed through the rotating body. A drive assembly rotates the rotating body such that the aperture intermittently allows fluid to bypass the non-contacting seal as the rotating body is rotated.

L'invention concerne des procédés et un dispositif destinés à réguler un écoulement à travers un compresseur au moyen d'un ensemble clapet comprenant un corps rotatif possédant une surface extérieure. Le corps rotatif est disposé dans une cavité de clapet dans le compresseur. Un joint sans contact permet de limiter l'écoulement d'un fluide entre la surface extérieure du corps rotatif et la cavité de clapet. Une ouverture traverse le corps rotatif. Un ensemble d'entraînement entraîne le corps rotatif en rotation de sorte que l'ouverture permette au liquide de contourner le joint sans contact de manière intermittente lors de l'entraînement en rotation du corps rotatif.

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