George Steinfeld, Steven J Meyers, Arthur Lee: Carbonate fuel cell system with thermally integrated gasification. Energy Research Corporation, Robin Blecker Daley & Driscoll, September 10, 1996: US05554453 (266 worldwide citation)

A fuel cell system employing a gasifier for generating fuel gas for the fuel cell of the fuel cell system and in which heat for the gasifier is derived from the anode exhaust gas of the fuel cell.

Robert G Hockaday: Surface replica fuel cell for micro fuel cell electrical power pack. James Creighton Wray, Meera P Narasimhan, June 2, 1998: US05759712 (175 worldwide citation)

A miniature fuel cell system uses porous plastic membranes as substrates of fuel cells. A cost effective pore-free electrode or inter electrolyte foil that is permeable only to hydrogen as an ion. The new electrode makes direct alcohol fuel cells efficient. It blocks the poisoning alcohol diffusion ...

Otto J Adlhart: Fuel cell system utilizing ion exchange membranes and bipolar plates. Engelhard Minerals & Chemicals Corporation, November 20, 1979: US04175165 (132 worldwide citation)

Fuel cell assemblies and methods for manufacturing same are disclosed, the fuel cell assemblies comprising a stacked configuration of fuel cell laminates, each including a catalytic fuel electrode, a catalytic oxygen electrode, and an electrolyte therebetween the electrolyte comprising an ion exchan ...

Robert D Merritt, Brian N Gorbell: Electrochemical fuel cell system with a regulated vacuum ejector for recirculation of the fluid fuel stream. Ballard Power Systems, McAndrews Held & Malloy, August 15, 1995: US05441821 (130 worldwide citation)

An electric power generation system has a regulated vacuum ejector for recirculating the fluid fuel stream. The system includes a fuel cell stack, a pressurized fuel supply having a pressure control valve for regulating the pressure of the fuel supply, a vacuum ejector interposed between the fuel su ...

William Henry Pettit: Fuel cell system with combustor-heated reformer. General Motors Corporation, Lawrence B Plant, June 20, 2000: US06077620 (126 worldwide citation)

A fuel cell system including a fuel reformer heated by a catalytic combustor fired by anode effluent and/or fuel from a liquid fuel supply providing fuel for the fuel cell. The combustor includes a vaporizer section heated by the combustor exhaust gases for vaporizing the fuel before feeding it into ...

Glenn A Eisman, James F McElroy, Norman Peschke: Fuel cell system with hydrogen purification subsystem. Plug Power, Fish & Richardson P C, August 28, 2001: US06280865 (119 worldwide citation)

The invention relates to a fuel cell system with a hydrogen purification subsystem. The hydrogen purification subsystem can concentrate hydrogen from the fuel exhaust for recirculation or storage. The hydrogen purification subsystem can also concentrate hydrogen from a fuel supply for input into a f ...

Watabe Masahito, Nishitsuru Yoshihiro, Takahashi Yasufumi, Kobayashi Michiichi, Yamaguchi Yasuhei: Cleaning device. Matsushita Seiko, October 9, 2001: JP2001-275908 (113 worldwide citation)

PROBLEM TO BE SOLVED: To provide a cleaning device with good working efficiency, a low-noise property and long driving time, capable of working continuously without discharging substances such as poisonous exhaust gas and the like. SOLUTION: The cleaning device collects dust on the floor surface, th ...

Mohammad Farooque: Internal reforming fuel cell system requiring no recirculated cooling and providing a high fuel process gas utilization. Energy Research Corporation, Robin Blecker Daley & Driscoll, April 17, 1990: US04917971 (107 worldwide citation)

An internal reforming fuel cell system wherein the reforming reaction in the cell absorbs heat from the electrochemical reaction in the cell in an amount to substantially maintain the cell at a predetermined temperature and without the need for additional cooling considerations. The excess fuel proc ...

Romesh Kumar, Shabbir Ahmed, Michael Krumpelt, Kevin M Myles: Fuel cell system for transportation applications. The United States of America represented by the United States Department of Energy, Mark P Dvorscak, Robert J Fisher, William R Moser, September 28, 1993: US05248566 (99 worldwide citation)

A propulsion system for a vehicle having pairs of front and rear wheels and a fuel tank. An electrically driven motor having an output shaft operatively connected to at least one of said pair of wheels is connected to a fuel cell having a positive electrode and a negative electrode separated by an e ...

Yoshimasa Negishi: Method of and apparatus for reforming fuel and fuel cell system with fuel-reforming apparatus incorporated therein. Toyota Jidosha Kabushiki Kaisha, Oblon Spivak McClelland Maier & Neustadt P C, December 26, 2000: US06165633 (97 worldwide citation)

Methanol supplied as a raw fuel is mixed with water, vaporized in an evaporator 24, and supplied to a reformer 22 as a raw fuel gas. The reformer 22 also receives a supply of the compressed air from an air tank 36. The raw fuel gas is mixed with the compressed air in the reformer 22. An oxidation re ...

Click the thumbnails below to visualize the patent trend.