Helmet exhaust valve

Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface

Patent

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Details

137510, F16K 1706, F16K 1718

Patent

active

039601714

ABSTRACT:
A diver's exhaust valve is described that is characterized by small size, ooth flow, and freedom from fouling by foreign matter. The valve comprises a valve member in the form of a spring and water biased diaphragm that separates the exhaust gas from the water which acts to close the valve. The disposition and configuration of flow passages produce continual flushing, while permitting adequate flow with a valve of smaller than usual size.

REFERENCES:
patent: 2704548 (1955-03-01), Ralston
patent: 2905221 (1959-09-01), Nonnamaker
patent: 3254668 (1966-06-01), Gardner

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