Scroll compressor with back pressure chamber cavity for assisting in start-up
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United States of America Patent
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Jan 5, 2010
Grant Date -
Dec 27, 2007
app pub date -
Jun 21, 2006
filing date -
Jun 21, 2006
priority date (Note) -
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Abstract
A scroll compressor is provided with a cavity in its back pressure chamber to increase a volume of the back pressure chamber. In this manner, at start-up, the back pressure chamber will not be effective to bias the two scroll members together until this enlarged volume is filled with a compressed refrigerant. This reduces the load on the electric motor at start-up.
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