ELECTRIC COMPRESSOR
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United States of America Patent
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Jan 5, 2016
filing date -
Feb 12, 2015
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Abstract
When a power switching element brought into contact with a contact part formed at a back side of a suction refrigerant passage is cooled by refrigerant that has been sucked in through a suction port and that is passing through the suction refrigerant passage, high-temperature, high-pressure refrigerant flowing in from a compression chamber to a suction chamber is prevented from flowing back by a check valve. Therefore, there is always low-temperature, low-pressure refrigerant in the suction refrigerant passage, and the power switching element can be efficiently cooled by the refrigerant in the suction refrigerant passage.
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