Gas containment apparatus

F - Mech Eng,Light,Heat,Weapons – 17 – C

Patent

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Details

F17C 1/16 (2006.01) A62B 7/02 (2006.01) A62B 9/00 (2006.01)

Patent

CA 2232945

A gas containment and supply apparatus is described consisting of a gas reservoir vessel (1) capable of pressurised gas containment fitted with a gas supply aperture (8) provided with supply means connectable to the gas supply aperture to provide for supply of the gas and control means to control the rate of supply of the gas, in which the gas reservoir is a toroidal pressure vessel comprising a metallic toroidal shell (2) having wound on its surface a tensile load bearing layer of high tensile strength non-metallic fibre (4), the fibre being aligned in a substantially meridional direction on the toroidal shell. Human portable breathing apparatus is described utilising the above.

L'invention concerne un système de confinement et d'alimentation de gaz constitué d'un récipient (1) réservoir de gaz capable de contenir du gaz sous pression, doté d'une ouverture (8) d'alimentation en gaz pourvue d'un moyen d'alimentation connectable à l'ouverture d'alimentation en gaz destiné à assurer l'alimentation en gaz, et d'un moyen de commande destiné à réguler le débit d'alimentation en gaz, dans lequel le réservoir de gaz est un récipient toroïdal sous pression comprenant une coque métallique toroïdale (2) sur la surface de laquelle est enroulée une couche élastique porteuse de charge constituée d'une fibre non métallique (4) à résistance élevée à la traction, la fibre étant alignée dans un sens sensiblement méridien sur la coque toroïdale. L'invention concerne également un appareil respiratoire portable humain utilisant le système de l'invention.

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