Scroll type compressor having a discharge valve retainer with a

Details Scroll type compressor having a discharge valve retainer with a Scroll type compressor having a discharge valve retainer with a

1994-03-23

1996-02-27

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 552, 418 554, 418270, 418 556, F01C 104, F04C 1804

Patent

active

054944228

ABSTRACT:
A scroll type compressor includes a check valve (42) having a valve element (63) disposed in a valve chamber (36, 60) and moveable in the vertical direction. A back pressure port (60a) having one end opening at a retainer surface (62a) and the other end communicating with a high-pressure side chamber (3, 43) is disposed in a retainer having the retainer surface thereon which is engaged by the valve element (63) when the check valve is in the open position.

REFERENCES:
patent: 4438936 (1984-03-01), Schlegel
patent: 4580790 (1986-04-01), Doose
patent: 5192202 (1993-03-01), Lee
patent: 5257920 (1993-11-01), Takeda
patent: 5395224 (1995-03-01), Caillat et al.

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