Cooling system with variable capacity control
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United States of America Patent
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Feb 2, 2010
Grant Date -
Feb 1, 2007
app pub date -
Sep 28, 2006
filing date -
Jun 7, 1995
priority date (Note) -
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Abstract
A system includes a scroll compressor having a first scroll member interleaved with a second scroll member to define at least two moving fluid pockets that decrease in size as they move from a radially outer position to a radially inner position. A valve in fluid communication with the compression chamber is movable between an open state allowing fluid to the compression chamber and a closed state preventing fluid to the compression chamber. A controller continuously cycles the valve between the open state and the closed state at a rate that is faster than a thermal time constant of a load on the system.
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