Pressure relief arrangement
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United States of America Patent
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-
Feb 7, 2023
Grant Date -
N/A
app pub date -
May 25, 2021
filing date -
Jun 10, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The arrangement includes a pressure relief hatch for closing an opening in a wall in an electric cabinet, which. includes a body having an outer surface, an opposite inner surface, an outer perimeter, and a thickness. The body includes a centre portion with a first thickness, an intermediate portion with a second thickness, and an outer portion with a third thickness. The first thickness is greater than the third thickness and the second thickness decreases in a radially outward direction from the first thickness to the third thickness. A spring keeps the pressure relief hatch in a closed position in the opening during normal operation of the electric cabinet.
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