Check valve device for scroll compressor

Details Check valve device for scroll compressor Check valve device for scroll compressor

1994-07-08

1995-09-19

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 556, 418270, 13754321, F04C 1804, F04C 2902

Patent

active

054511488

ABSTRACT:
A check valve device is provided for a scroll compressor in which a crescent-shaped compression chamber is defined by a fixed scroll and an orbiting scroll, the orbiting scroll being driven to compress gas introduced into the compression chamber such that the compressed gas is discharged out of a discharge port provided in the vicinity of a center of the fixed scroll. The check valve device includes a check valve having a disk for closing the discharge port, a ring concentric with the disk and a plurality of beams coupling the disk and the ring, a tube receiving the check valve and which is provided at the discharge port of the fixed scroll, and a valve retainer for retaining the check valve. The valve retainer is provided at an outlet portion of the tube so as to confront the ring of the check valve.

REFERENCES:
patent: 4865136 (1989-09-01), White

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