Pressure regulator for breathing apparatus

Details Pressure regulator for breathing apparatus Pressure regulator for breathing apparatus

1976-01-13

1977-08-16

Weakley, Harold W.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

1281422, F16K 3138

Patent

active

040419789

ABSTRACT:
A pressure regulator for divers' breathing apparatus having a diaphragm case and a diaphragm disposed therein. As a function of the pressure which exists in a space delimited by the diaphragm and which is varied by the diver's breathing, the diaphragm controls, via a control member, a valve having a fixed portion and a movable portion. A pressure chamber is provided in which a reduction in pressure is produced through a channel opening out into the flow of gaseous mixture into the valve at right angles to the direction of that flow. The opening of the valve is assisted and accelerated by this reduction in pressure in order to facilitate the diver's breathing.

REFERENCES:
patent: 3329158 (1967-07-01), Geiszler
patent: 3498312 (1970-03-01), Geiszler
patent: 3522818 (1970-08-01), Suchy
patent: 3529803 (1970-09-01), Schell
patent: 3626975 (1971-12-01), Bobst
patent: 3783891 (1974-01-01), Christianson

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