Orbiting scroll actuating means of a scroll-type compressor

Details Orbiting scroll actuating means of a scroll-type compressor Orbiting scroll actuating means of a scroll-type compressor

1994-04-08

1995-10-24

Vrablik, John J.

Rotary expansible chamber devices

With delayed load

418 555, 418 57, 418151, F04C 1804

Patent

active

054604940

ABSTRACT:
A scroll compressor comprises a stationary scroll and an orbiting scroll driven by a shaft. The shaft has an eccentric pin disposed in a slot of a bushing which is mounted in the orbiting scroll. A weight is mounted for rotation with the shaft for generating a centrifugal force which is transmitted to the orbiting scroll to counterbalance a centrifugal force generated by the orbiting scroll, and thereby reduce the pressure with which the orbiting scroll bears against the stationary scroll. The weight is movable radially with respect to both the bushing and the shaft, and a spring is radially interposed between the weight and the bushing for transmitting force therebetween.

REFERENCES:
patent: 5040958 (1991-08-01), Arata et al.
patent: 5199862 (1993-04-01), Kondo et al.

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