Scroll fluid apparatus with axial sealing force

Details Scroll fluid apparatus with axial sealing force Scroll fluid apparatus with axial sealing force

1980-04-11

1984-10-09

Smith, Leonard E.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 57, F04C 102

Patent

active

044758740

ABSTRACT:
In a scroll fluid apparatus, a gas of an intermediate pressure level is drawn from the operating chambers in the process of compressing a fluid or expanding the same and applied to the entire area of the back of one of a pair of scroll members so as to force one scroll member tightly against the other scroll member whereby an axial seal can be provided to the pair of scroll members.

REFERENCES:
patent: 3600114 (1971-08-01), Dvorak
patent: 3884599 (1975-05-01), Young et al.
patent: 3924977 (1975-12-01), McCullough
patent: 3994633 (1976-11-01), Shaffer
patent: 3994636 (1976-11-01), McCullough

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