Automatic diluter/demand oxygen regulator adapted for...

Details Automatic diluter/demand oxygen regulator adapted for... Automatic diluter/demand oxygen regulator adapted for...

A - Human Necessities

62

B

137/1.53

A62B 7/14 (2006.01) A62B 9/02 (2006.01)

Patent

CA 1158955

AUTOMATIC DILUTER/DEMAND OXYGEN REGULATOR ADAPTED FOR CHEMICAL OR BIOLOGICAL USE Abstract An oxygen regulator for controlling the flow of breathing oxygen and uncontaminated air at various altitudes includes a balanced oxygen valve (20) and a balanced air valve (50) which cooperate with a dilution aneroid valve (62) to provide breathable mixture whose oxygen percentage increases with altitude to a pre- determined altitude. Above that altitude one hundred percent oxygen is provided. A gas loading aneroid valve (110) operates to increase the oxygen pressure in accordance with altitude over a range of altitude.

373249

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