Structure for preventing axial leakage in scroll compressor

Details Structure for preventing axial leakage in scroll compressor Structure for preventing axial leakage in scroll compressor

1994-11-30

1996-07-30

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 556, 418 57, F04C 1804

Patent

active

055405720

ABSTRACT:
The present invention provides a structure for preventing an axial leakage in a scroll compressor. The structure prevents a fixed scroll from rotating on its own axis or swinging in its radial direction, when the fixed scroll is pushed toward an orbiting scroll by refrigerant pressure in a discharge chamber, thereby the axial leakage is precluded. The structure includes a plurality of guide holes formed at the outer circumferential portions of a fixed scroll, and a plurality of projections formed at the outer circumferential portions of a main frame and inserted into the guide holes respectively, so as to allow a sliding movement of the fixed scroll in its radial direction.

REFERENCES:
patent: 3924977 (1975-12-01), McCullough
patent: 4300875 (1981-11-01), Fisher et al.
patent: 4764096 (1988-08-01), Sawai et al.
patent: 5192202 (1993-03-01), Lee
patent: 5199862 (1993-04-01), Kondo et al.
patent: 5362218 (1994-11-01), Fukanuma et al.

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