Operating fuel cell system involves exerting pressure or suction on liquid fuel in fuel tank produced from energy contained in gaseous or liquid media taking part in fuel cell process

摘要

The method involves supplying a fuel circuit with fuel from a closed fuel tank via a fuel dosing valve controlled depending on the fuel level in the fuel circuit. A pressure or suction effect exerted on the liquid fuel in the fuel tank is produced from the energy contained in the gaseous or liquid media taking part in the fuel cell process. AN Independent claim is also included for the following: a fuel cell system.