Oil lubricated compressor
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United States of America Patent
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Sep 7, 2021
Grant Date -
Apr 13, 2017
app pub date -
Oct 6, 2016
filing date -
Oct 7, 2015
priority date (Note) -
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Abstract
An oil lubricated compressor having a universal motor, efficient starting and re-starting characteristics, and a long operating life. The oil lubricated compressor can have a brushed or brushless universal motor which can drive a cooling fan and a pump. The universal motor can achieve a high torque to voltage ratio, as well as a high torque to current ratio, upon starting or re-starting of the compressor. Optionally, the oil lubricated compressor can use a single cooling fan disposed in the compressor at a location which is between the universal motor and a cylinder head of the pump.
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