Breathing apparatus

Details Breathing apparatus Breathing apparatus

1978-08-21

1980-01-08

Recla, Henry J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

137494, 137DIG9, 251 24, 12820429, A62B 700, B63C 1116

Patent

active

041823230

ABSTRACT:
A demand regulator for use in underwater breathing employs a deflector carried by a valve operating lever for movement between the air outlet in the breathing chamber and the mouthpiece tube to reduce the portion of air supplied directly to the mouthpiece as the air flow is increased.

REFERENCES:
patent: 2893386 (1959-07-01), Sajeck
patent: 4041977 (1977-08-01), Matsuno
patent: 4041978 (1977-08-01), Leemann
patent: 4094314 (1978-06-01), Le Cornec

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