09-07-2018 дата публикации
Номер: KR1020180078073A
Принадлежит:
The present invention relates to a heat pump for a vehicle, and more specifically, to a heat pump for a vehicle including a double loop having a refrigerant loop and a cooling water loop and configured to perform cooling/heating/defrosting/dehumidifying operations by using the double loop. An embodiment of the present invention provides a double loop type heat pump for a vehicle including a first fluid line, through which a first fluid flows, and a second fluid line, through which a second fluid flows, wherein a compressor, a first direction switching valve, an internal heat exchanger, a first expansion unit, a second direction switching valve, a gas/liquid separating unit, an external heat exchanger, a second expansion unit, a third heat exchanger, and an accumulator are disposed on the first fluid line, the first fluid is supplied to the first expansion unit after passing through the internal heat exchanger through driving of the first direction switching valve or is supplied directly ...
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