Oxygen regulator

Details Oxygen regulator Oxygen regulator

1977-07-05

1978-11-28

Recla, Henry J.

Surgery

Truss

Pad

137 81, A62B 902

Patent

active

041271297

ABSTRACT:
An oxygen regulator for supplying a recipient with breathable fluid in response to an inhalation demand. A diaphragm which is responsive to the inhalation demand operates a balanced oxygen valve to allow pressurized oxygen flow into a mixing chamber. The flow of pressurized oxygen into the mixing chamber draws air into the mixing chamber through an altitude responsive valve. The pressurized oxygen and air are combined in the mixing chamber to create a volume of breathable fluid sufficient to meet the inhalation demand of the recipient.

REFERENCES:
patent: 2938528 (1960-05-01), Schmitt
patent: 3768466 (1973-10-01), Johnson
patent: 3782402 (1974-01-01), Cramer et al.

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