Scroll type fluid machine having first and second frame members

Details Scroll type fluid machine having first and second frame members Scroll type fluid machine having first and second frame members

1995-08-15

1997-04-22

Freay, Charles G.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 57, F01C 104

Patent

active

056224885

ABSTRACT:
A scroll type compressor having high efficiency and high reliability is obtained by preventing leakage of a compression chamber, increasing air tightness thereof and securing a smooth motion of an orbiting scroll member. A second frame member supported by a first frame member and slightly movable in the axial direction is disposed in the rear of an orbiting scroll member. Force is applied to the rear of the second frame member, and a slight axial movement of the orbiting scroll member is regulated by a fixed scroll member and the second frame member. As a result, both the scroll members are in tight contact or close to each other with a small space, and a smooth movement thereof can be secured, which makes it possible to obtain a scroll type compressor having high efficiency and high reliability.

REFERENCES:
patent: 5277563 (1994-01-01), Wen-Jen et al.
patent: 5340287 (1994-08-01), Kawamura et al.
patent: 5342186 (1994-08-01), Swain

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