Pressure regulator for underwater breathing apparatus

Details Pressure regulator for underwater breathing apparatus Pressure regulator for underwater breathing apparatus

1991-01-04

1992-03-24

Chambers, A. Michael

Fluid handling

Ambient condition change responsive

13750542, 12820429, F16K 1736

Patent

active

050978608

ABSTRACT:
The first stage regulator of a two-stage underwater breathing apparatus utilizes an imperforate force transfer mechanism to automatically increase the rate at which breathing air is delivered from a high pressure supply to the second stage regulator as the diver descends in the water. The first stage regulator is sealed from the ambient by the imperforate force transfer mechanism which increases the resistance of the regulator to icing and corrosion and prevents particulates entrained in the ambient water from entering the regulator mechanism and interfering with its operation.

REFERENCES:
patent: 2487650 (1949-11-01), Grove et al.
patent: 2806481 (1957-09-01), Faust
patent: 3920033 (1975-11-01), Ferrando
patent: 3972346 (1976-08-01), Wormser
patent: 4527582 (1985-07-01), Buckle et al.

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