Unitary heat pump air conditioner having a heat exchanger with an integral receiver and sub-cooler
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United States of America Patent
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Jan 19, 2016
Grant Date -
Sep 6, 2012
app pub date -
Apr 20, 2012
filing date -
Feb 17, 2011
priority date (Note) -
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Abstract
The disclosure relates to a unitary heat pump air conditioner (Unitary HPAC) having a plate type hot-side heat exchanger assembly, a cold-side heat exchanger assembly, and electrically driven compressors and coolant pumps. The plate type hot-side heat exchanger assembly includes a plurality of plates stacked and hermetically sealed between an upstream end plate and a downstream end plate, defining a condenser/chiller portion having a first coolant passageway, a sub-cooler portion having a second coolant passageway, and a refrigerant receiver portion sandwiched between the condenser/chiller portion and the sub-cooler portion. The first coolant passageway and the second coolant passageway are in non-contact thermal communication with the refrigerant passageway.
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