Scroll compressor with backflow-proof mechanism

Details Scroll compressor with backflow-proof mechanism Scroll compressor with backflow-proof mechanism

2007-04-24

2007-04-24

Nguyen, Hoang (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S180000, C418S189000, C417S310000, C417S440000

Reexamination Certificate

active

10892287

ABSTRACT:
A scroll compressor with a backflow-proof mechanism. The scroll compressor comprises a slider disposed on a scroll couple, forming several enclosed spaces. The slider is raised by the working fluid in the spaces, preventing liquid leakage from a high-pressure chamber to a low-pressure chamber, when the scroll compressor starts. The slider descends when the compression ratio of the scroll compressor is exceeded. Thus, the pressure is released, and the performance of the scroll compressor is improved. The slider of the invention further comprises a floating element to prevent reversal of pressurized fluid and damage to the scroll couple.

REFERENCES:
patent: 5362210 (1994-11-01), Richardson, Jr.
patent: 6059549 (2000-05-01), Tarng et al.
patent: 6095765 (2000-08-01), Khalifa
patent: 6190138 (2001-02-01), Hugenroth et al.
patent: 6220839 (2001-04-01), Sheridan et al.
patent: 6267565 (2001-07-01), Seibel et al.

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