Scroll type compressor having curved surface portions between th

Details Scroll type compressor having curved surface portions between th Scroll type compressor having curved surface portions between th

1992-02-12

1993-06-29

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 555, 418 57, 418151, 418182, 403121, 403124, 464106, F04C 1804, F16C 1102, F16C 3200, F16D 310

Patent

active

052228819

ABSTRACT:
A scroll type compressor comprising: a crankshaft having an eccentric shaft portion formed thereon; an orbiting scroll which is given torque by the crankshaft through the eccentric shaft portion; and bearing means for rotatably supporting the crankshaft; wherein at least one of the eccentric shaft portion and the bearing means is constituted by a rotatably engaged bushing and a curved surface portion.

REFERENCES:
patent: 1340368 (1920-05-01), Blunt
patent: 3724238 (1973-04-01), Retali et al.
patent: 3817664 (1974-06-01), Bennet et al.
patent: 4702683 (1987-10-01), Inaba et al.
patent: 4767293 (1988-08-01), Caillat et al.
patent: 4808094 (1989-02-01), Sugimoto et al.
patent: 4836758 (1989-06-01), Elson et al.
patent: 5137437 (1992-08-01), Machida et al.

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