cooling and heating apparatus and method having multiple refrigerating cycle circuits
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United States of America Patent
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Oct 26, 2010
Grant Date -
Oct 9, 2008
app pub date -
Apr 17, 2008
filing date -
Oct 17, 2005
priority date (Note) -
Expired
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Abstract
triple point (Ptr) or above. A third refrigerating cycle circuit having a third refrigerant flow path also can be provided to carry out heat exchange with the second refrigerant flow path.
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