CIRCULATING PUMP
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United States of America Patent
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Jan 22, 2016
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Jul 25, 2013
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Abstract
A circulating pump includes a conveying element for conveying a conveyed liquid, and an electric motor which has a stator, a rotor, and a gap therebetween, wherein the rotor includes a shaft rotatable about a rotation axis and to which the conveying element is rotationally fixed, and the shaft is mounted to a radial slide bearing having a lubrication region configured to be liquid-lubricated with the conveyed liquid. The circulating pump includes a sealing device which inhibits fluid communication between the lubrication region and the gap located between the stator and the rotor.
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