Vehicle air-conditioning apparatus
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United States of America Patent
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Feb 27, 2018
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N/A
app pub date -
Sep 6, 2011
filing date -
Sep 6, 2011
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Abstract
To provide a vehicle air-conditioning apparatus which can ensure a dehumidifying ability even during an intermediate thermal load time where an outside air temperature becomes high during a dehumidifying heating operation time. In a vehicle air-conditioning apparatus, at least a compressor 6, a first heat exchanger 2, a first refrigerant control part 9 which is formed by connecting a first expansion device 7 and a first open/close valve 8 in parallel to each other, a vehicle exterior heat exchanger 4, a second refrigerant control part 13 which is formed by connecting a second expansion device 12 and a second open/close valve 11 in series, and a second heat exchanger 3 are connected in the preceding order in a loop.
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