Apparatus for preventing reverse rotation of scroll compressor

Details Apparatus for preventing reverse rotation of scroll compressor Apparatus for preventing reverse rotation of scroll compressor

2005-05-17

2005-05-17

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055600, C418S057000, C418S055100

Reexamination Certificate

active

06893236

ABSTRACT:
An apparatus for preventing a rotation of a scroll compressor in a reverse direction of compressing fluid is described herein. The apparatus comprises an eccentric portion of a rotational shaft that is coupled with an orbiting scroll meshed with a fixed scroll and a slide bush interposed between the eccentric portion and the orbiting scroll. The eccentric portion has a sloping plane at an outer periphery surface thereof and the sloping plane thereof contacts with a sloping plane formed at an inner periphery of the slide bush when the scroll compressor is driven in a direction opposite to a driving direction of compressing fluid. At this time, an operating angle between the contacted sloping surfaces and a reference line become large enough for a friction between the two scrolls to increase, thereby, a reverse rotation of the compressor can be prevented.

REFERENCES:
patent: 5474434 (1995-12-01), Wada et al.
patent: 6106251 (2000-08-01), Monnier et al.
patent: 6428294 (2002-08-01), Fenocchi
patent: 6471499 (2002-10-01), Sun
patent: 05248371 (1993-09-01), None
patent: 2001057496 (2001-07-01), None

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