Personal emergency breathing system for supplied air...

Details Personal emergency breathing system for supplied air... Personal emergency breathing system for supplied air...

A - Human Necessities

62

B

A62B 18/08 (2006.01) A62B 7/00 (2006.01) A62B 7/10 (2006.01) A62B 7/12 (2006.01) A62B 23/02 (2006.01)

Patent

CA 2230708

The personal emergency breathing system includes a canister (34) having a filtration unit for supplying filtered ambient air to a gas mask (10). A fitting (22) for removably coupling an air tank to the gas mask, and upon exhaustion of the air in the tank, the canister is coupled for supplying filtered air.

L'invention concerne un système de protection, en cas d'urgence, comprenant une boîte (34) avec une unité filtrante, pour filtrer l'air ambiant arrivant à un masque à gaz (10). Le masque comprend un raccord (22) avec un régulateur et une conduite menant à un réservoir d'air qui peut être détaché du réservoir d'air, après épuisement de l'air disponible, pour être raccordé à l'unité filtrante et permettre à l'utilisateur de respirer l'air ambiant.

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