Side-channel pump and method for operating same
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United States of America Patent
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Jul 18, 2017
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app pub date -
Sep 3, 2013
filing date -
Sep 3, 2012
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Abstract
The invention relates to a side-channel pump and to a method for operating a side-channel pump in which an impeller rotates in a working chamber provided with a side channel. According to the invention, the pump is operated at an overspeed with a gas-filled working chamber in a first step. The speed is then reduced to an operating speed in order to pump a liquid. The pump according to the invention has a high suction power as a result of the overspeed, but only gas is drawn initially.
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