A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
137/1.53
A62B 7/14 (2006.01) A62B 9/00 (2006.01) A62B 9/02 (2006.01)
Patent
CA 1039614
EXHALATION VALVE MEANS ABSTRACT OF THE DISCLOSURE An exhalation valve for use in an oxygen regulator of an aviator mask for releasing a pressuried fluid to the atmosphere during an exhalation interval to allow expired air from a recipient to move a diaphragm and freely pass to the atmosphere irrespective of the elevation at which the aviator is flying.
239812
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