Breathing mixture controller

Details Breathing mixture controller Breathing mixture controller

1979-07-11

1981-08-11

Recla, Henry J.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820429, 2441185, A62B 700

Patent

active

042828708

ABSTRACT:
A breathing mixture controller is provided for use with oxygen generators and consists of a sensing means adapted to receive a portion of the breathing mixture and to sense the partial pressure of oxygen in the breathing mixture at cabin pressure, an aneroid controlled valve positioned in the flow to cut off the flow at higher altitudes, and a valve coupled to the sensing means for controlling the flow dependent upon the partial pressure of oxygen in the breathing mixture.

REFERENCES:
patent: 3587438 (1971-06-01), Foster et al.
patent: 4109509 (1978-08-01), Cramer et al.
patent: 4188946 (1980-02-01), Watson et al.

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