Vacuum breaker
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 15, 1986
Grant Date -
N/A
app pub date -
Dec 21, 1984
filing date -
Dec 21, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention comprises an outer housing and an inner housing having a pressure relief chamber defined therebetween. The inner housing receives fluid and directs it through a pressure outlet opening into the pressure relief chamber. The outer housing includes an outlet opening and a pressure relief opening. A flexible cylindrical seal surrounds the pressure outlet opening of the inner housing and is yieldably movable radially outwardly to a pressure flow position wherein it closes the pressure relief opening of the outer housing and opens the pressure outlet opening of the inner housing.
First Claim
Family
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Cited Art Landscape
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