Scroll-type fluid displacement apparatus with cup shaped casing

Details Scroll-type fluid displacement apparatus with cup shaped casing Scroll-type fluid displacement apparatus with cup shaped casing

1981-05-05

1983-10-25

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418149, F01C 102, F01C 1900, F01C 2110

Patent

active

044116047

ABSTRACT:
A scroll-type fluid displacement apparatus, in particular, a compressor unit is disclosed. The unit includes a housing comprising of a cup shaped casing and a front end plate member. A fixed scroll member with a first end plate means and a first spiral element is fixedly disposed within the interior of the cup shaped casing by a plurality of screw members screwed from the outside of the cup shaped casing through a fixed member, such as a plurality of legs or annular projection, which is disposed between the end surface of the first end plate means and the inner surface of the cup shaped casing. A seal ring is disposed between an outer peripheral surface of the end plate and the inner surface of the casing. An inner chamber of the casing is thereby partitioned into two chambers by the end plate.

REFERENCES:
patent: 2306632 (1942-12-01), McCormack
patent: 3200752 (1965-08-01), Clark et al.
patent: 3359913 (1967-12-01), Halsey
patent: 3515167 (1970-06-01), Svenson
patent: 3924977 (1975-12-01), McCullough
patent: 3994635 (1976-11-01), McCullough
patent: 4082484 (1978-04-01), McCullough
patent: 4325683 (1982-04-01), Miyazawa

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