Eccentric coupling device in radial compliance scroll...

Details Eccentric coupling device in radial compliance scroll... Eccentric coupling device in radial compliance scroll...

2007-01-09

2007-01-09

Nguyen, Hoang (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055100

Reexamination Certificate

active

10893941

ABSTRACT:
An eccentric coupling device in a radial compliance scroll compressor including a bush rotatably fitted in a boss of an orbiting scroll, and provided with a crank pin hole extending vertically throughout the bush, a crank pin eccentrically arranged at an upper end of a crankshaft adapted to orbit the orbiting scroll, and fitted in the crank pin hole while allowing a radial movement of the bush in the crank pin hole, the crank pin having an oil passage, and a cover member fitted in the crank pin hole at an upper end portion of the crank pin hole, and adapted to guide oil, fed through the oil passage, to be supplied between the slide bush and the boss. The crank pin is fitted in the crank pin hole such that an upper end thereof is arranged at a level lower than an upper end of the slide bush. The crank pin is eccentrically arranged with respect to the crankshaft. The oil passage communicates with an oil passage extending through the crankshaft.

REFERENCES:
patent: 5713731 (1998-02-01), Utter et al.
patent: 5810573 (1998-09-01), Mitsunaga et al.
patent: 6053714 (2000-04-01), Fenocchi et al.
patent: 6267573 (2001-07-01), Fenocchi et al.
patent: 6361296 (2002-03-01), Hirooka et al.
patent: 6461131 (2002-10-01), Chang
patent: 11-159484 (1999-06-01), None
English Language Abstract of JP 11-159484.

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