Portable emergency breathing apparatus

Details Portable emergency breathing apparatus Portable emergency breathing apparatus

1987-09-24

1990-04-17

Hindenburg, Max

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820517, 12820522, 12820524, A62B 710

Patent

active

049170813

ABSTRACT:
Closed circuit emergency breathing apparatus is disclosed which is comprised of concentrically associated oxygen container and scrubber components, and a flow control valve assembly mounted on the open end of the compressed oxygen container and against the corresponding end of the scrubber. All valve functions are performed by valve components provided in a common support arrangement by which the valve assembly is mounted on the compressed oxygen container and structurally interrelated with the corresponding end of the scrubber. Breathing hose, pressure gauge and burst valve components are also mounted on the common support, and a breathing bag is mounted on the scrubber between the opposite ends thereof.

REFERENCES:
patent: 2041406 (1936-05-01), Foregger
patent: 2117952 (1938-05-01), Gourdon
patent: 2119473 (1938-05-01), Smith et al.
patent: 2687018 (1954-08-01), Baldwin et al.
patent: 2836189 (1958-05-01), Holmes
patent: 2951494 (1960-09-01), Holmes
patent: 3097638 (1963-07-01), Streimer
patent: 3648893 (1972-03-01), Whiting
patent: 4243155 (1981-01-01), Stewart

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