Plate-Type Heat Pump Air Conditioner Heat Exchanger for a Unitary Heat Pump Air Conditioner

申请公布号：US2016298912(A9)

申请号：US201414297121

申请日期：2014.06.05

申请公布日期：2016.10.13

申请人：

MAHLE International GmbH

发明人：KADLE PRASAD S.;VREELAND GARY S.;ODDI FREDERICK V.

分类号：F28F3/08

主分类号：F28F3/08

地址：Stuttgart DE

摘要：A plate-type heat exchanger having a first heat exchanger portion configured to receive a refrigerant flow and a hot side coolant flow having a lower temperature than the refrigerant flow, a second heat exchanger portion configured to receive the refrigerant flow exiting from the first heat exchanger portion and a cold side coolant flow having a higher temperature than the refrigerant flow exiting from the first heat exchanger portion, and an internal heat exchanger portion sandwiched between the first heat exchanger portion and the second heat exchanger portion. The refrigerant flow through the plate type heat exchanger is in non-contact thermal communication with the hot side coolant flow and the cold side coolant flow. The cold side coolant flow transfers heat energy to the refrigerant, which in turn transfer that heat energy to the hot side coolant flow.

主权项：1. A unitary heat pump air conditioner (Unitary HPAC), comprising: a plate-type HPAC heat exchanger having a plurality of plates stacked and hermetically sealed between an upstream end plate and a downstream end plate, defining: a first heat exchanger portion configured to receive a refrigerant flow and a hot side coolant flow having a lower temperature than the refrigerant flow, wherein said refrigerant flow is in non-contact thermal communication with the hot side coolant flow, whereby heat energy is transferred from the refrigerant flow to the hot side coolant flow; and a second heat exchanger portion is configured to receive a refrigerant flow exiting from said first heat exchanger portion and a cold side coolant flow having a higher temperature than the refrigerant flow exiting from said first heat exchanger portion, wherein the cold side coolant flow is in non-contact thermal communication with the refrigerant flow, whereby heat energy is transferred from the cold side coolant flow to the refrigerant flow; wherein said first and second heat exchanger portions define a single unitary structure having a continuous torturous refrigerant passageway in thermal contact with both the cold side coolant flow and the hot side coolant flow.

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