About 14 results
https://drivepatents.com/patents/1385643 · 4 Jun 2026
A fuel cell system may include: a fuel cell; a fuel tank; a fuel gas supply path including a linear solenoid valve and an ejector; and a controller configured to supply the fuel gas to the ejector at a target flow rate by controlling operation of the linea...
https://drivepatents.com/patents/1382282 · 7 May 2026
A disclosed fuel cell system includes a fuel inlet that receives a fuel gas from a fuel source, a gas analyzer that determines a composition of the fuel gas received by the fuel inlet, and a stack including fuel cells that generate electricity using the fu...
https://drivepatents.com/patents/1378666 · 19 Feb 2026
A fuel cell includes an anode, a cathode, and a membrane separating the anode and the cathode. A controller, responsive to expiration of a predetermined time period that begins with disconnection of the fuel cell from an electrical bus, injects hydrogen ga...
https://drivepatents.com/patents/1378425 · 5 Feb 2026
A fuel cell system may include a turbo compressor, one or more valves, and a controller. The controller may determine a target inlet mass flow and a corresponding pressure ratio of the turbo compressor, determine a desired turbo speed of the turbo compress...
https://drivepatents.com/patents/1378426 · 5 Feb 2026
A fuel cell system may include a valve, a hydrogen source, an anode loop, a blower, a pressure sensor, and an anode controller. The valve is communicably coupled to a hydrogen source and configured to supply hydrogen to an anode loop. The blower is arrange...
https://drivepatents.com/patents/1378154 · 22 Jan 2026
A fuel cell system and a method of controlling the same are disclosed. The fuel cell system includes a hydrogen pressure adjuster configured to adjust a hydrogen supply pressure of hydrogen supplied to a fuel cell stack, and a controller configured to dete...
https://drivepatents.com/patents/1378035 · 15 Jan 2026
A U-tube arrangement for monitoring, observing, or measuring gas flow or gas generation of in a closed system can include a U-tube having a first arm, a second arm, and a bridge connecting the first arm to the second arm; a liquid disposed in the U-tube; a...
https://drivepatents.com/patents/1377920 · 8 Jan 2026
Provided herein are systems and methods for using pure hydrogen as fuel in a turbocharged fuel cell. A vehicle may include a storage configured to store pressurized hydrogen, a fuel cell, a catalytic converter, and a turbo compressor. The fuel cell include...
https://drivepatents.com/patents/1377807 · 1 Jan 2026
A system for generating power may include a fuel cell stack including one or more hydrogen fuel cells. The system may be operated in one or more modes based on a hydrogen purity of fuel supplied to the stack. A method of operating a fuel cell stack is also...
https://drivepatents.com/patents/1366611 · 11 Jul 2024
The invention relates to a supply device for compressed air to a plurality of cathodes (-) of a fuel cell system, characterized in that it comprises a motorized compressor () configured to provide a source of compressed air to all of the cathodes (-), a gr...