Fuel system for a pressure tank and for a gas-powered vehicle

A fuel system for installation in a hydrogen-powered vehicle and for one or more hydrogen pressure tanks configured for a high pressure level of at least 200 bar, the fuel system comprising:

• a connection for an input line;
• a connection for an output line;
• internal components including at least a pressure reducer, a gas filter, a shut-off valve, a vent valve, an overpressure safety valve and a pressure sensor;
• said pressure reducer configured to reduce a pressure of hydrogen from a pressure tank being at a high pressure level to a medium pressure level of between 3 bar and 30 bar;
• said pressure reducer being configured as a two-stage pressure reducer having a first stage reducing the pressure from said pressure tank to an intermediate level of between 40 and 80 bar, and a second stage further reducing the pressure to the medium pressure level;
• gas lines interconnecting said internal components;
• and
• an integral and self-supporting unit, said internal components and said gas lines being disposed in said integral and self-supporting unit.