Refrigeration cycle device
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United States of America Patent
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Sep 20, 2022
Grant Date -
May 21, 2020
app pub date -
Jan 22, 2020
filing date -
Jul 31, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A refrigeration cycle device includes a compressor, a heater device, a high-stage side decompressor, a gas-liquid separator, a refrigerant branch portion, a first decompressor, a first evaporator, a second decompressor, and a second evaporator. The compressor has an intermediate pressure port through which an intermediate-pressure refrigerant flows into the compressor. The gas-liquid separator is configured to separate the intermediate-pressure refrigerant into a gas refrigerant and a liquid refrigerant. The refrigerant branch portion is configured to divide a flow of the liquid refrigerant separated by the gas-liquid separator. In a cooling mode for cooling a heat exchange target fluid, a refrigerant circuit is switched such that a low-pressure refrigerant flows from the branch portion to the first evaporator. In a heating mode for heating the heat exchange target fluid, the refrigerant circuit is switched such that the low-pressure refrigerant flows from the branch portion to the second evaporator.
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