Pressure-equalization element for a field device used in automation technology
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United States of America Patent
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Apr 28, 2020
Grant Date -
Nov 9, 2017
app pub date -
Nov 30, 2015
filing date -
Dec 12, 2014
priority date (Note) -
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Abstract
A pressure-equalization element for equalization of pressure differences between at least two spatial areas assigned to a field device used in automation technology, comprising a main body, consisting of a securing element having an axial bore, that is used for securing the pressure-equalization element in a wall of the field device, and a disc-shaped carrier component having a lateral end surface. The disc-shaped carrier component is provided with a specified number (n, where n>2) of substantially radially-running recesses corresponding to the axial bore, wherein the radially-running recesses are offset from one another by a defined angular offset, and wherein the radially-running recesses are provided with a gas-permeable, liquid-barrier membrane in the region of the lateral end surface of the disc-shaped carrier components.
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