Switchgear
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United States of America Patent
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Dec 25, 2018
Grant Date -
Feb 23, 2017
app pub date -
Sep 3, 2015
filing date -
Sep 24, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A switchgear according to the present invention includes: an air intake mechanism attachment body arranged on an air intake portion provided on a housing; an air intake opening provided in the air intake mechanism attachment body; a check valve type shutter which is arranged on the inner side of the air intake opening on the housing, performs an air intake from the outside of the housing, and blocks the air intake opening in the occurrence of an internal short circuit fault; and a ground fault partition body which is arranged between said check valve type shutter and a conductive portion in said housing and in which the length of at least one side is longer than said check valve type shutter.
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