Scroll compressor having reversion preventive device

Details Scroll compressor having reversion preventive device Scroll compressor having reversion preventive device

2006-06-27

2006-06-27

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055100, C464S102000

Reexamination Certificate

active

07066723

ABSTRACT:
In a scroll compressor, by including an oldhams ring arranged between a main frame and an orbiting scroll and having a first and a second oldhams ring keys formed at the top and bottom surfaces so as to be inserted into a first and a second key grooves formed at the orbiting scroll and the main frame respectively; and a reversion preventive unit installed at the second key groove formed at the main frame in order to prevent the reverse operation of the orbiting scroll by stopping the movement of the second oldhams ring key in the reverse operation of the orbiting scroll, it is possible to prevent wrong vibration and noise occurrence of the compressor, and accordingly reliability of the compressor can be improved.

REFERENCES:
patent: 5071329 (1991-12-01), Sano et al.
patent: 5403172 (1995-04-01), Blass et al.
patent: 5496157 (1996-03-01), Shoulders et al.
patent: 5842845 (1998-12-01), Kawano et al.
patent: 03043690 (1991-02-01), None
patent: 03064685 (1991-03-01), None
patent: 04132888 (1992-05-01), None
patent: 05223068 (1993-08-01), None
patent: 05231348 (1993-09-01), None

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