Vane-type rotary compressor

Details Vane-type rotary compressor Vane-type rotary compressor

F - Mech Eng,Light,Heat,Weapons

04

C

230/117

F04C 18/30 (2006.01) F04C 18/348 (2006.01)

Patent

CA 1237703

ABSTRACT A vane-type compressor has a rotary sleeve mounted in a center housing for rotation with a plurality of vanes movable radially in a rotor . The rotary sleeve is floatingly supported in an air-bearing room defined between the outer periphery of the rotary sleeve and the inner periphery of the center housing. The air-bearing room has a supply of air through an inlet port internally connected to a discharge chamber or a compression working space immediately before vent to the discharge chamber. At least a pocket is provided in the inner periphery of the center housing to increase the bearing performance of the air-bearing room and protect the rotary sleeve and the center housing against scuffing and seizure troubles therebetween.

448260

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