Scroll type compressor having curved bearing surfaces

Details Scroll type compressor having curved bearing surfaces Scroll type compressor having curved bearing surfaces

1993-04-07

1994-05-17

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 555, 418 57, 418182, 464106, F04C 1804

Patent

active

053122291

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: 3817664 (1974-06-01), Bennett et al.
patent: 4730998 (1988-03-01), Kakuda et al.
patent: 4808094 (1989-02-01), Sugimoto et al.
patent: 5137437 (1992-08-01), Machida et al.
patent: 5186546 (1993-02-01), Abe

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