Apparatus for preventing vacuum state in scroll compressor

Details Apparatus for preventing vacuum state in scroll compressor Apparatus for preventing vacuum state in scroll compressor

2007-01-23

2007-01-23

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C417S310000

Reexamination Certificate

active

11020098

ABSTRACT:
An apparatus for preventing a vacuum state in a scroll compressor including a hermetic container divided into a high pressure space and a low pressure space; a fixed scroll provided inside the hermetic container; and an orbiting scroll orbiting in a state of being interlocked with the fixed scroll, comprises: a connecting passage for connecting the high pressure space, the low pressure space and a compression pocket to each other, wherein the compression pocket is formed by a wrap of the fixed scroll and a wrap of the orbiting scroll; a slider movably inserted in the connecting passage, for allowing the high pressure space and the low pressure space of the hermetic container to communicate with or be blocked from each other by a pressure difference between the low pressure space of the hermetic container and the compression pocket; and an elastic support means for elastically supporting the slider, thereby preventing vacuumization of the inside of the hermetic container in operation, and making a smooth operation for preventing the vacuumization.

REFERENCES:
patent: 2003/0206812 (2003-11-01), Cho
patent: 2003/0206813 (2003-11-01), Koo
patent: 1229246 (2002-08-01), None
patent: 2002022454 (2002-03-01), None
patent: 2002027994 (2002-04-01), None
patent: 1020040017966 (2004-03-01), None
patent: 2004098457 (2004-11-01), None

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