Fuel-management system for a hydrogen vehicle

Abstract

The invention relates to a fuel-management system (20) for a hydrogen-powered machine, which machine comprises a fuel-supply system (3) for supplying hydrogen fuel from at least one fuel tank (1) to a power source (6) of the machine when the machine is in an operating state. In order to propose an improved fuel management for a non-operating period of a hydrogen-powered machine, the invention provides that the fuel-management system is adapted to transfer hydrogen fuel from at least a portion of the fuel-supply system to a buffer (22) in response to the machine entering a non-operating state and to temporarily store the hydrogen fuel in the buffer, wherein the buffer comprises a compound tank (50) with an external wall (51), a primary volume (53) and a secondary volume (54), an internal wall (52) interposed between the volumes (53, 54), an interconnection port (55) in the internal wall being adapted for receiving an insert module (60-62) to be interposed between the volumes (53, 54), and at least one external access port (56-58) in communication with one volume (53, 54), wherein at least one access port (56-58) is at least indirectly connected to the fuel-supply system.

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