Rotary compressor

Details Rotary compressor Rotary compressor

1997-07-10

2000-10-17

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

With relatively movable partition member

418 91, F04C 18356

Patent

active

061321958

ABSTRACT:
A rotary compressor has a cylinder, a crank shaft having an eccentric part disposed in said cylinder, a bearing which rotatably supports said crank shaft, a roller which moves in said cylinder following said eccentric part, and a vane whose all or part of the tip is of circular configuration, wherein a groove with which the vane tip is disposed in contact is provided on the outer periphery of said roller, a first oil groove is provided on the end face of said roller, and said roller is provided with an oil hole communicating said first oil groove and said groove of the roller.

REFERENCES:
patent: 2246271 (1941-06-01), Davidson
patent: 2422972 (1947-06-01), Knowles
patent: 2800274 (1957-07-01), Makaroff et al.
patent: 5616019 (1997-04-01), Hattori et al.
Kawahira, "Sealed type refrigerator" (1993) p. 14, Fig. 6.1.

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