Scroll-type pump

Details Scroll-type pump Scroll-type pump

1983-10-03

1985-07-09

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 59, F01C 104, F04C 1804

Patent

active

045279640

ABSTRACT:
A scroll-type pump suitably used as a compressor in an automobile air-conditioning system. The pump is provided with a stationary scroll member and a movable scroll member, which movable scroll member rotates while maintaining contact with the stationary scroll member. A scroll shape of each of the scroll members is formed by a plurality of alternately arranged arc sections of a small radius of curvature and arc sections of a large radius of curvature smoothly connected to each other. A pump having an overall shape which corresponds to the shape of the space in which the pump is to be arranged in the vehicle is obtained.

REFERENCES:
patent: 1378065 (1921-05-01), Varley
patent: 2841089 (1958-07-01), Jones

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