Method for reconditioning of vacuum interrupters
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United States of America
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Feb 18, 2020
Grant Date -
Jun 13, 2019
app pub date -
Dec 12, 2018
filing date -
Dec 12, 2018
priority date (Note) -
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Abstract
Disclosed is a method of reconditioning a vacuum interrupter that comprises determining whether the vacuum interrupter is suitable for reconditioning. Where the vacuum interrupter is suitable for reconditioning, the method comprises reducing pressure inside vacuum interrupter using magnetron pumping, and/or forming at least one hole in an endcap of a vacuum envelope of the vacuum interrupter, cleaning components of the vacuum interrupter inside the vacuum envelope by introducing at least one cleaning solution into the interior of the vacuum envelope through the at least one hole in the endcap, removing the cleaning solution from the interior of the vacuum envelope, installing a plug in the at least one hole, wherein the plug has getter material on a surface thereof facing the interior of the vacuum envelope, and vacuum sealing the plug to the at least one hole such that a vacuum is re-established in the interior of the vacuum envelope.
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