Heat pump system for vehicle
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United States of America Patent
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Jan 2, 2018
Issued Date -
N/A
app pub date -
Aug 16, 2013
filing date -
Aug 20, 2012
priority date (Note) -
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Abstract
A heat pump system for a vehicle having a complex valve device including a three-way valve, an on-off valve, expansion means and connection blocks are formed integrally with one another, the three-way valve part being connected to the refrigerant circulation line of an inlet of the exterior heat exchanger such that the refrigerant selectively bypasses the exterior heat exchanger, the on-off valve part being connected to an inlet of the bypass line to open and close the bypass line. Connection blocks connect the three-way valve part and the on-off valve part with the refrigerant circulation line of an outlet of the exterior heat exchanger to communicate with each other. Expansion means are connected to an inlet of the three-way valve part to selectively expand refrigerant discharged from an interior heat exchanger. All functions of the heat pump system are thus conducted through a refrigerant control of the complex valve device.
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Family
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