Device having a sealing element for sealing a gap, method for operating such a device, measuring system, and metering system
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United States of America Patent
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Oct 12, 2021
Grant Date -
Sep 10, 2020
app pub date -
May 26, 2020
filing date -
Nov 23, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus having a shaft, a bearing sleeve for rotatably supporting the shaft, a housing, in which at least one part of the bearing sleeve is arranged, and a sealing element, which seals a gap between a wall of the housing and the bearing sleeve. The sealing element divides the gap gas-tight into a first partial space adjacent to the front side of the sealing element and a second partial space adjacent to the back side of the sealing element, the sealing element having a flexible part, which is in contact with the wall of the housing and/or the bearing sleeve, and the housing having a first barrier gas inlet for introducing barrier gas into the first partial space as well as a second barrier gas inlet for introducing barrier gas into the second partial space.
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