Pressure reducing valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 10, 2001
Grant Date -
N/A
app pub date -
Apr 17, 2000
filing date -
Apr 17, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pressure regulator for breathing apparatus controlled by a diaphragm, piston or bellows having one face exposed to a reference pressure which is automatically maintained at a level substantially the same as ambient pressure by means of a metering valve communicating with pressure at the regulator outlet and operated by a flexible diaphragm exposed to ambient pressure, and a pressure relief valve to vent excess reference pressure to the outside of the regulator.
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Family
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Cited Art Landscape
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