Scroll compressor having oil-actuated compliance mechanism

Details Scroll compressor having oil-actuated compliance mechanism Scroll compressor having oil-actuated compliance mechanism

1988-05-12

1989-12-05

Vrablik, John J.

Rotary expansible chamber devices

Methods

418 55, 418 57, F04C 1804, F04C 2700, F04C 2902

Patent

active

048849553

ABSTRACT:
A scroll-type hermetic compressor is disclosed including within a hermetically sealed housing a fixed scroll member, an orbiting scroll member, a main bearing frame member, and a crankshaft. An oil sump is located in a discharge pressure chamber in the housing. The frame member and fixed scroll member define a suction pressure chamber in which the orbiting scroll member is disposed. The crankshaft includes a plate portion disposed between the orbiting scroll member and a thrust surface of the frame. Flexible annular seals are disposed within respective interfaces between the orbiting scroll member bottom surface and the plate portion top surface, and between the plate portion bottom surface and the frame thrust surface. The seals provide sealing between a radially inner, oil-filled discharge region and a radially outer suction region, and actuate to compensate for axial space in the interfaces.

REFERENCES:
patent: 2013499 (1935-09-01), Meckenstock
patent: 2777688 (1957-01-01), Ehrlich et al.
patent: 3986799 (1976-10-01), McCullough
patent: 3994633 (1976-11-01), Shaffer
patent: 4457676 (1984-07-01), Hiraga
patent: 4522575 (1985-06-01), Tischer et al.
patent: 4600369 (1986-07-01), Blain
patent: 4655697 (1987-04-01), Nakamura et al.
patent: 4708607 (1987-11-01), Hayano et al.
patent: 4743181 (1988-05-01), Murayama et al.

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