Rotary sleeve bearing apparatus for rotary compressors

Details Rotary sleeve bearing apparatus for rotary compressors Rotary sleeve bearing apparatus for rotary compressors

F - Mech Eng,Light,Heat,Weapons

16

C

308/1.4

F16C 32/06 (2006.01) F04C 18/348 (2006.01)

Patent

CA 1227518

ABSTRACT OF THE DISCLOSURE An air-bearing apparatus for use in a movable vane compressor of the type having a rotary sleeve mounted in the center housing for rotation with a plurality of vanes , said apparatus comprising an air-bearing room defined between the inner periphery of the center housing and the outer periphery of the rotary sleeve to floatingly support the rotary. sleeve and an air-supply passage to supply air to the air-bearing room from the compression-working space, In order to increase the bearing performance of the air-bearing room when the compressor runs at high speeds in which the amount of air to be supplied to the air-bearing room exceeds what can be extracted from the compression-working space, the apparatus is provided with an auxiliary passage extending from the discharge chamber to the air-supply passage through a cheque valve to supply air to the air-bearing room from the discharge chamber.

454598

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