Breather vent for electrical enclosure
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United States of America Patent
Stats
-
Oct 20, 1998
Grant Date -
N/A
app pub date -
Mar 27, 1997
filing date -
Mar 27, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A breather box attaches to the exterior wall of an electrical enclosure. An upper breather opening in the box connects with a vent opening in the wall. A lower breather opening in the box is shielded by a wall spaced therefrom to prevent water entry. A labyrinth in the interior of the box forces ascending water through a series of sharp turns and through a series of constrictions which are followed by expansion chambers. The labyrinth terminates at a liquid exit adjacent the upper wall of the breather box, forcing water to substantially fill the breather box before it can enter the enclosure.
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Cited Art Landscape
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