SWITCHING DEVICES INCORPORATING RUPTURE DISK
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United States of America Patent
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Issued Date -
May 20, 2021
app pub date -
Nov 18, 2020
filing date -
Nov 19, 2019
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Abstract
Electrical switching devices are disclosed that have pressure relief mechanisms to allow for the release of internal pressure within the switching device housing. The pressure within the housing can be caused by different events with one such event being internal arcing within the housing caused during operation of the housing's internal components. Is some cases the arcing can be caused during separation of the switching device contacts. The pressure relief mechanism allows for the high pressure to pass from the housing in a more controlled matter to minimize or prevent high pressure breach or rupture of the switching device housing. The pressure relief mechanisms are particularly applicable to switching devices with hermetically sealed housings. Many different pressure relief mechanisms can be used including rupture disks or engineered weak points in the switching device housing.
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