Side-channel pump
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United States of America Patent
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-
Jul 7, 2020
Grant Date -
May 11, 2017
app pub date -
Jun 18, 2015
filing date -
Jun 24, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A side-channel pump having a pump housing in which an operating chamber which is provided with a side channel and a motor are arranged, and having an impeller in the operating chamber which rotates with a shaft which is driven by the motor. A cooling circuit extends from the operating chamber to the motor and from the motor to a suction portion of the pump, wherein the cooling circuit is supplied from an operating chamber whose outlet side is connected to an outlet opening of the side-channel pump. Using the pump, gas can be drawn in without the pump becoming overheated.
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