ELECTRIC COMPRESSOR
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United States of America Patent
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Issued Date -
Jun 30, 2016
app pub date -
Oct 15, 2013
filing date -
Dec 4, 2012
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Abstract
An electric compressor includes a hollow cylindrical housing, a compression unit that compresses refrigerant, a motor that functions as a drive source of the compression unit, an inverter that controls the motor, and a refrigerant liquid accumulation unit that accumulates refrigerant liquid in the housing. The refrigerant liquid accumulation unit is disposed at a lower portion in the housing when the electric compressor is installed on the vehicle. According to the electric compressor, the refrigerant liquid is accumulated in the refrigerant liquid accumulation portion at a long-time stop, so that degradation of insulation property in the electric compressor (especially, of the motor and the inverter) can be prevented.
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