Improved breathing mask and regulator for aircraft

Details Improved breathing mask and regulator for aircraft Improved breathing mask and regulator for aircraft

A - Human Necessities

62

B

A62B 18/00 (2006.01) A62B 9/02 (2006.01)

Patent

CA 2624344

The auxiliary breathing flow channel apparatus for an oxygen mask for pilots and crew of an airplane includes a flow control device with closed and open positions to regulate flow through an auxiliary channel. A pressure sensor such as an aneroid capsule automatically closes the auxiliary channel upon a decrease in cabin pressure. A handle also allows a user to manually move the flow regulating means to a closed position.

L'invention concerne un appareil de canal d'écoulement respiratoire auxiliaire pour un masque à oxygène destiné à des pilotes et à l'équipage d'un avion. Cet appareil comprend un dispositif de commande d'écoulement présentant une position ouverte et une position fermée pour réguler l'écoulement circulant dans le canal auxiliaire. Un capteur de pression, notamment une capsule anéroïde ferme automatiquement le canal auxiliaire lors d'une diminution de pression dans la cabine. Une poignée permet également à un utilisateur de déplacer manuellement le moyen de régulation d'écoulement jusqu'à une position fermée.

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