Sealing device for rotary feedthrough
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United States of America Patent
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Sep 9, 2014
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N/A
app pub date -
Jul 30, 2012
filing date -
Dec 22, 2008
priority date (Note) -
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Abstract
A sealing device for a rotary feedthrough for receiving a rotating machine element whose outer side can be applied to another machine element, includes at least two sealing elements disposed in tandem in the axial direction of the machine element. Inner sides of the sealing elements are configured for forming an active sealing connection with the rotating machine element. At least one of the sealing elements can be pressurized with an additional force acting in the radial direction so that the force of compression acting on the rotating machine element for the at least one of the sealing elements can be adjusted relative to the force of compression acting on the rotating machine element due to at least one other sealing element.
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