Oxygen supply unit

Details Oxygen supply unit Oxygen supply unit

1990-10-18

1992-01-07

Peters, Jr., Joseph F.

Aeronautics and astronautics

Aircraft structure

Passenger or crew accommodation

12820525, 12820429, A62B 704

Patent

active

050783432

ABSTRACT:
An oxygen supply system for use in an aircraft has four check valves (19) each having an inlet connected to a source of oxygen, and an outlet connected by a flexible hose (17) to a face mask (13). The check valve (19) associated with each face mask has a detachable pin (26) forming part of a collar (27) which embraces the hose (17) and is tethered to a looped section (29) of the hose. When the pin is detached from the check valve, by pulling the face mask down, oxygen is supplied to the mask.

REFERENCES:
patent: 3073301 (1963-01-01), Hay et al.
patent: 3981302 (1976-09-01), Veit
patent: 4559939 (1985-12-01), Levine et al.
patent: 4609166 (1986-09-01), Brennan
patent: 4909247 (1990-03-01), Terrisse et al.

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