Detachable fuel cell power unit for vehicle applications

H - Electricity – 01 – M

Patent

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Details

H01M 8/00 (2006.01) B62M 7/02 (2006.01)

Patent

CA 2596567

A detachable and portable fuel cell power unit (10) fox a vehicle has a unitary housing (11) containing: a fuel reservoir (22) for storing fuel; at least one electrochemical fuel cell stack (20, 21) for delivering electrical power from the fluid fuel; a refuelling port (16) in an outer surface of the housing; and an airflow path extending between a first inlet port (12, 14) on an outer surface of the housing (11) and a first outlet port (15) on an outer surface of the housing (11), via cathode elements in the at least one fuel cell stack (20, 21). The unit includes a control circuit (23) for interfacing with a power controller on the vehicle for determining allowable operating conditions of the vehicle while the power unit (10) is coupled thereto.

L'invention porte sur une pile à combustible (10) amovible et portable pour véhicule et comportant un boîtier unique (11) contenant: un réservoir de combustible (22); au moins un empilement de cellules de pile (20, 21) à combustible produisant de l'énergie électrique à partir du combustible; un orifice de remplissage (16) disposé sur une surface extérieure du boîtier; et un évent reliant un orifice d'entrée (12, 14) disposé sur une surface extérieure du boîtier (11) à un orifice de sortie (15) disposé sur une surface extérieure du boîtier (11) en passant par des éléments cathodiques présents dans au moins l'un desdits empilement de cellules (20, 21). L'unité comporte un circuit de commande (23) servant d'interface avec un contrôleur de puissance placé sur le véhicule et permettant de déterminer les conditions possibles de fonctionnement du véhicule lorsque l'unité de puissance (10) lui est reliée.

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