Valves for fuel cartridges

H - Electricity – 01 – M

Patent

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Details

H01M 2/12 (2006.01)

Patent

CA 2646724

Valves (36) for connecting fuel supplies (40) to a device are disclosed. The fuel supplies can be a pressurized or non-pressurized cartridge that can be used with any device, such as fuel cells or fuel refilling apparatus. The valve (36) includes face seals (64) to minimize the amount of fuel remaining in the valve when the fuel supply is separated from the device. In one embodiment, the valve includes deformable members including sealing surfaces, where the flow paths through the valve are sealed and unsealed by the deformation of the deformable members. In another embodiment, the female valve component includes a shortened body to limit the volume of fuel remaining in the valve. The female valve component also includes a cap with slots formed therein so that residual fuel can drain from the valve component into a fuel reservoir.

La présente invention concerne des soupapes (36) pour connecter des alimentations de combustible (40) à un dispositif. Les alimentations de combustible peuvent être une cartouche pressurisée ou non pressurisée pouvant être utilisée avec tout dispositif, tels que des piles à combustible ou un appareil de recharge de combustible. La soupape (36) comporte des joints mécaniques (64) pour minimiser la quantité de combustible restant dans la soupape lors de la séparation de l'alimentation de combustible du dispositif. Dans un mode de réalisation, la soupape comporte des éléments déformables comprenant des surfaces d'étanchéité, où les chemins d'écoulement à travers la soupape se ferment et s'ouvrent par la déformation des éléments déformables. Dans un autre mode de réalisation, le composant femelle de soupape comporte un corps raccourci pour limiter le volume du combustible restant dans la soupape. Le composant femelle de soupape comporte également un capuchon comprenant des fentes de sorte que le combustible résiduel puisse être évacué depuis la soupape dans un réservoir de combustible.

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