Low pressure breathing regulators and breathing gas systems inco

Details Low pressure breathing regulators and breathing gas systems inco Low pressure breathing regulators and breathing gas systems inco

1987-10-06

1989-08-22

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820524, 12820423, 12820422, A62B 714, A62B 2100

Patent

active

048586064

ABSTRACT:
A breathing regulator suitable for regulating aircrew breathing demand for oxygen-enriched air supplied as breathing gas by an aircraft on-board oxygen generating system includes a valve responsive to pneumatic signals from an aircraft mounted, G sensitive valve. The valve throttles passage of gas from a breathing-pressure control chamber to ambient atmosphere so that in high or rapidly increasing G load conditions the pressure in the breathing-pressure control chamber is increased and a positive delivery pressure is provided at the regulator outlet.

REFERENCES:
patent: 2552595 (1951-05-01), Seeler
patent: 3545465 (1970-12-01), Zadoo
patent: 4336590 (1982-06-01), Jacq et al.
patent: 4499914 (1985-02-01), Schobler
patent: 4619255 (1986-10-01), Spinosa et al.
patent: 4638791 (1987-01-01), Krogh et al.
patent: 4651728 (1987-03-01), Gupta et al.
patent: 4687013 (1987-08-01), Stevenson

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