Scroll fluid machine with a self-rotation-preventing device...

Details Scroll fluid machine with a self-rotation-preventing device... Scroll fluid machine with a self-rotation-preventing device...

2008-05-27

2008-05-27

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055100, C418S055200, C464S102000

Reexamination Certificate

active

07377759

ABSTRACT:
In a scroll fluid machine, an orbiting scroll is revolved with respect to a fixed scroll in a housing. A self-rotation-preventing device is provided to prevent the orbiting scroll from rotating on its own axis. The device comprises a pair of holders, one of which is disposed in an orbiting side and the other is disposed in the housing. The holder in the orbiting side comprises a bearing, a holding plate for holding the bearing and a plurality of ears. At least one of the ears is disposed within a circle passing through the centers of the holders around the center of the orbiting scroll.

REFERENCES:
patent: 3802809 (1974-04-01), Vulliez
patent: 5154592 (1992-10-01), Ohtani et al.
patent: 5466134 (1995-11-01), Shaffer et al.
patent: 6106247 (2000-08-01), Wood
patent: 7044722 (2006-05-01), Fujioka et al.
patent: 7201568 (2007-04-01), Sakamoto et al.
patent: 58030402 (1983-02-01), None
patent: 2003097462 (2003-04-01), None
patent: 2006-46078 (2006-02-01), None

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