Oil return tube aligned over motor protector in scroll compressor
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United States of America Patent
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-
Jan 31, 2012
Grant Date -
Mar 2, 2006
app pub date -
Aug 26, 2004
filing date -
Aug 26, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A scroll compressor is provided with an oil return tube having an outlet for directing oil toward a motor protector for an electric motor. The oil supply tube is positioned to be at an angle relative to the drive axis of a shaft driven by the electric motor. This ensures that the outlet of the oil supply tube can be properly positioned relative to the electric motor. Under normal conditions, an adequate flow of refrigerant will pull the oil from the oil supply tube and away from the motor protector. However, should there be an inadequate flow of refrigerant within the sealed compressor, the oil will contact the motor protector, which in turn may stop operation of the electric motor.
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