Rotary sleeve bearing apparatus for a rotary compressor

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

1985-09-20

1987-03-10

Smith, Leonard E.

Rotary expansible chamber devices

Moving cylinder

Rotating

F04C 18348

Patent

active

046488189

ABSTRACT:
Apparatus in a vane type rotary compressor for floatingly supporting a rotary sleeve which is mounted in a center housing for rotation with a plurality of vanes movable in a rotor, the apparatus comprising an air-bearing room defined between the inner periphery of the center housing and the outer periphery of the rotary sleeve and supplied with the maximum-pressure or discharge-pressure air through an air-supply passage extending from the discharge chamber or compression working space under the maximum pressure. The air-supply passage is formed with an accumulator for reducing the pulsations and/or temperature of the supplied air. The accumulator is composed of either or both of a relatively large hollow in the thickened wall of the center housing and a plurality of fine bores and alternative grooves forming a S-shaped hole in the suction side wall.

REFERENCES:
patent: 3834842 (1974-09-01), Dorff et al.
patent: 4479763 (1984-10-01), Sakamaki et al.
patent: 4514156 (1985-04-01), Sakamaki et al.

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