STEPPED SCROLL COMPRESSOR WITH STAGED CAPACITY MODULATION
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United States of America Patent
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Issued Date -
Feb 5, 2009
app pub date -
Aug 3, 2007
filing date -
Aug 3, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A scroll compressor has a stepped wrap such that there is a greater height outer portion and a lesser height more central portion. Bypass ports are associated with the transition zone between the higher and lesser height portions. By providing the bypass port in a stepped scroll compressor, greater reductions in capacity can be achieved than have been provided in the prior art.
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