Rotary-sleeve bearing apparatus for rotary compressor

Details Rotary-sleeve bearing apparatus for rotary compressor Rotary-sleeve bearing apparatus for rotary compressor

1984-05-14

1985-04-30

Smith, Leonard E.

Rotary expansible chamber devices

Moving cylinder

Rotating

F04C 18348

Patent

active

045141568

ABSTRACT:
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 check valve to supply air to the air-bearing room from the discharge chamber.

REFERENCES:
patent: 4177024 (1979-12-01), Lohn
patent: 4197061 (1980-04-01), Hill

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