F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
103/94
F04C 15/00 (2006.01) F01C 1/344 (2006.01) F01C 21/08 (2006.01)
Patent
CA 1189389
Abstract of the Disclosure A fluid pressure energy translating device of the sliding vane type comprising a cam ring including an internal contour, a rotor having a plurality of vanes rotatable therewith and slidable relative thereto in slots in the rotor with one end of each vane engaging the internal contour. The rotor and internal contour co- operate to define one or more pumping chambers between the periphery of the rotor and the cam contour through which the vanes pass carrying fluid from an inlet port to an outlet port. At least one cheek plate is associ- ated with the body and rotor. Two pressure chambers are formed for each vane and each vane has two surfaces, one in each chamber, both being effective under pressure in the respective chambers to urge the vanes into engage- ment with the cam. A generally annular internal feed passage is formed entirely within the rotor and com- municates with one set of the pressure chambers. A radial passage is provided along at least one side of each vane extending from the tip to the base thereof, so that cyclically changing pressure is supplied to the other set of chambers. An arcuate valving groove is formed in a cheek plate alongside the rotor in a high pressure zone. The annular groove communicates with the radial passage and axial openings in the rotor extend from a side of the rotor to the annular passage and are adapted to register with the arcuate valving groove as the rotor rotates relative to the cheek plate so that high pressure is applied to the one set of chambers,
403732
Marks & Clerk
Sperry Corporation
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