Internal heat exchanger assembly having an internal bleed valve assembly
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United States of America Patent
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Jan 26, 2016
Grant Date -
Mar 8, 2012
app pub date -
Oct 29, 2009
filing date -
Oct 29, 2008
priority date (Note) -
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Abstract
An internal heat exchanger assembly for an air conditioning system, having a substantial cylindrical cavity in which a helical coil tube is coaxially disposed within the cylindrical cavity. A bleed valve assembly is incorporated into the helical coiled tube, in which the bleed valve assembly is adapted to open at a predetermined differential pressure between the high pressure side and low pressure side of the internal heat exchanger. The bleed valve selectively bleeds refrigerant from the high pressure side to the low pressure side, thereby increasing the pressure and mass flow rate of the refrigerant to the suction side of a compressor.
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