A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
A62B 9/02 (2006.01)
Patent
CA 2338178
The invention concerns an standby regulator comprising means for communicating a pressurised breathing mixture intake (12) with a tubing (14) designed to be connected inside a respirator, means (34, 32) for supplying diluting air to the breathing mixture, and an exhalation valve (36) emerging from the tubing towards the atmosphere. It is further provided with a manual control member (38) having a normal position enabling it to operate without excess pressure and with dilution and a standby position for supplying the tubing with breathing mixture in excess pressure. Mechanical or pneumatic means inhibit breathing mixture supply in excess pressure so long as the respirator is stored therewith.
Le régulateur à la demande comprend des moyens de mise en communication d'une admission (12) de gaz respiratoire sous pression avec une tubulure (14) destinée à être reliée à l'intérieur d'un masque respiratoire, des moyens (34, 32) d'apport d'air de dilution au gaz respiratoire, et un clapet d'expiration (36) s'ouvrant de la tubulure vers l'atmosphère. De plus, un organe de commande manuelle (38) a une position normale provoquant le fonctionnement sans surpression et avec dilution et une position de secours provoquant l'alimentation de la tubulure en gaz respiratoire pur et en surpression. Des moyens mécaniques ou pneumatiques interdisent le fonctionnement avec l'alimentation en gaz en surpression aussi longtemps que le masque est stocké.
Bardel Michel
Martinez Patrice
Goudreau Gage Dubuc
Intertechnique
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