Scroll fluid machine having resilient member on the drive means

Details Scroll fluid machine having resilient member on the drive means Scroll fluid machine having resilient member on the drive means

1996-03-15

1998-05-26

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 553, 418 57, 418 60, 418 83, 418101, F01C 104, F01C 1706

Patent

active

057555648

ABSTRACT:
A scroll compressor includes a drive shaft and an auxiliary drive shaft which are rotatably supported by stationary scrolls, and an orbiting scroll rotatably supported on these drive shafts through cranks. A resilient member is provided on the crank so as to allow thermal expansion of the orbiting scroll in a direction, along which the drive shafts are lined. With this construction, a distance between bearings for the orbiting scroll and the stationary scrolls is adjusted in accordance with the thermal expansion, and therefore even when the thermal expansion occurs, a smooth motion of the scroll will not be affected.

REFERENCES:
patent: 4300875 (1981-11-01), Fischer et al.
patent: 4832586 (1989-05-01), Emmenthal et al.
patent: 5346374 (1994-09-01), Guttinger
patent: 5417554 (1995-05-01), Kietzman et al.
patent: 5466134 (1995-11-01), Shaffer et al.
patent: 5556269 (1996-09-01), Suzuki et al.

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