Combined air-supplying/air-purifying system

Details Combined air-supplying/air-purifying system Combined air-supplying/air-purifying system

A - Human Necessities

62

B

A62B 7/00 (2006.01) A62B 7/02 (2006.01) A62B 7/10 (2006.01) A62B 9/04 (2006.01) A62B 18/00 (2006.01)

Patent

CA 2604050

A combined air-supplying/air-purifying breathing system that includes a self- contained breathing apparatus, a facepiece for delivering breathable air from the self- contained breathing apparatus to a user, and a powered air-purifying respirator having at least one filter and a blower and having an output connected by a hose assembly to the facepiece. A control interface operationally connects the self-contained breathing apparatus to the powered air-purifying respirator. The self-contained breathing apparatus includes a pressure vessel, a cylinder valve assembly and a pressure reducer, all carried by a back frame, and the powered air-purifying respirator is adapted to be mounted on, and carried by the back frame, by coupling the back frame and the respirator together at respective attachment points.

L'invention concerne un système de respiration combiné d'alimentation d'air/purification d'air, comprenant un appareil respiratoire autonome, un dispositif facial destiné à distribuer de l'air respirable de l'appareil respiratoire autonome à un utilisateur, et un respirateur de purification d'air motorisé équipé d'au moins un filtre et d'un ventilateur et comprenant une sortie connectée par un ensemble tuyau au dispositif facial. Une interface de commande connecte l'appareil respiratoire autonome au respirateur de purification d'air motorisé. L'appareil respiratoire autonome comprend un récipient sous pression, un ensemble valve cylindrique et un réducteur de pression, tous supportés par une structure arrière. Le respirateur de purification d'air est adapté pour être monté sur la structure arrière par couplage de la structure arrière et du respirateur au niveau de points de connexion.

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