Scroll compressor provided with means for pressing an orbiting s

Details Scroll compressor provided with means for pressing an orbiting s Scroll compressor provided with means for pressing an orbiting s

1980-04-30

1982-12-28

Vrablik, John J.

Pumps

Motor driven

Interrelated or common lubricating or cooling means for pump...

417410, 417902, 418 55, 418 57, 418 83, 418 88, F04B 3504, F04B 3906, F04B 3912, F04C 1802

Patent

active

043659411

ABSTRACT:
A scroll compressor for compressing a gas to a high pressure or for use in a refrigeration system such as a refrigerator, freezer, air conditioner or the like, is provided. In the compressor, a compressor unit and its driving motor is enclosed gas-tightly in a casing, and the compressor unit is provided with a backpressure chamber into which is introduced a partially compressed gas so as to press an orbiting scroll member against a stationary scroll member. The compressed gas discharged from the compressor unit is circulated through component parts such as the motor enclosed in the casing before it flows into a next stage outside of the compressor. With the above arrangement, the separation of the orbiting scroll member from the stationary scroll member due to the gas pressure is prevented to thereby attaining a secure axial seal between them, and also the motor is satisfactorily cooled.

REFERENCES:
patent: 2517367 (1950-08-01), Winkler
patent: 3285504 (1966-11-01), Smith
patent: 3317123 (1967-05-01), Funke
patent: 3514225 (1970-05-01), Monden et al.
patent: 4216661 (1980-08-01), Tojo et al.

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