Vehicle air conditioning apparatus
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United States of America Patent
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Apr 16, 2024
Grant Date -
Nov 17, 2022
app pub date -
Jul 17, 2020
filing date -
Jul 29, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A cooling and battery cooling mode is performed to release the heat from the refrigerant in a heat releasing unit and an outdoor heat exchanger and to absorb the heat into the refrigerant in a heat absorbing unit and a refrigerant-heat medium heat exchanger, and a heating and battery cooling mode is performed to release the heat from the refrigerant in the heat releasing unit and to absorb the heat into the refrigerant in the outdoor heat exchanger and the in-vehicle device heat exchanger. In a case where the cooling and battery cooling mode is performed, when a temperature of the heat absorbing unit is lower than a target value of the temperature of the heat absorbing unit even though the flowing of the refrigerant into the heat absorbing unit is blocked, the operation mode is moved to the heating and battery cooling mode.
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