Vane control for a vane motor

Details Vane control for a vane motor Vane control for a vane motor

F - Mech Eng,Light,Heat,Weapons

04

C

103/94

F04C 2/356 (2006.01) F01C 21/08 (2006.01)

Patent

CA 1169701

IMPROVED VANE CONTROL FOR A VANE MOTOR ABSTRACT OF THE DISCLOSURE: A vane motor which uses two- lip vanes has a fluid restrictor in a fluid passage which connects the inner and outer ends of each vane. High pres- sure fluid is supplied to the inner end of each vane as it traverses the transfer and sealing zone. This fluid flows through the fluid passage to the outer end of the vane to pressure balance the vane. In the event the outer end of a vane is separated from the cam ring the high pressure fluid at the outer end of the vane flows to the low pressure area and a pressure drop is created across the restrictor which results in a force which biases the vane towards the cam ring.

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