Rotary piston blower

Details Rotary piston blower Rotary piston blower

F - Mech Eng,Light,Heat,Weapons

04

C

F04C 18/12 (2006.01) F04C 18/08 (2006.01)

Patent

CA 2330425

An improved rotary piston blower supplies an oxidant stream to a fuel cell. In one embodiment, the improved rotary piston blower includes cantilevered shafts. The improved rotary piston blower is also able to supply an oil-free oxidant stream to an electrochemical fuel cell. The improved rotary piston blower has fewer components, fewer seals, and is easier to fabricate, in comparison to conventional, prior art rotary piston blowers.

Selon cette invention, une soufflante améliorée à piston rotatif fournit un flux de comburant à une pile à combustible. Dans un mode de réalisation, la soufflante améliorée à piston rotatif comprend des arbres en porte à faux. La soufflante améliorée à piston rotatif a également la capacité de fournir un flux de comburant exempt d'huile à une pile à combustible électrochimique. En comparaison aux soufflantes à piston rotatif traditionnelles, la soufflante améliorée à piston rotatif comporte moins de composants et de joints; elle est en outre plus facile à fabriquer.

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