Document Type and Number:
Japanese Patent JPS6237238
Kind Code:
B2
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.
Inventors:
TOJO KENJI
HOSODA YASUO
IKEGAWA MASATO
SHIIBAYASHI MASAO
HOSODA YASUO
IKEGAWA MASATO
SHIIBAYASHI MASAO
Application Number:
JP5573279A
Publication Date:
August 11, 1987
Filing Date:
May 09, 1979
Export Citation:
Assignee:
HITACHI LTD
International Classes:
F04C18/02; F04C11/00; F04C18/04; F04C23/00; F04C27/00; F25B31/00