Match Document Document Title
US20080113238 FUEL CELL SYSTEM AND TRANSPORTATION EQUIPMENT INCLUDING THE SAME  
A fuel cell system capable of reducing concentration change in an aqueous fuel solution and transportation equipment including the system such as a motorbike includes such a fuel cell system. The...
US20080096073 Dual function heat exchanger for start-up humidification and facility heating in SOFC system  
A fuel cell system includes a fuel cell stack and a heat exchanger. The heat exchanger vaporizes water which is provided to the fuel cell stack during start-up of the fuel cell system and heats a...
US20100273068 FUEL CELL SYSTEM INCLUDING A FUEL FILTER MEMBER WITH A FILTER PROPERTY INDICATOR  
A fuel cell system includes a fuel tank, a replaceable fuel filter, a fuel cell stack, and a control system. The fuel tank includes raw fuel stored therein. The replaceable fuel filter member...
US20110189569 AUTO-LEARNING OF BASE STACK RESISTANCE FOR HFR BASED RH CONTROL  
A method for determining membrane humidification by determining the membrane protonic resistance of a fuel cell stack at humidified conditions, and normalizing the base resistance of the fuel cell...
US20120003553 FUEL CELL SYSTEM AND DRIVING METHOD OF THE SAME  
A method of driving a fuel cell system is disclosed. The method of driving the fuel cell system may include supplying water to a reformer by pressing a pump pipe to pressing members to move the...
US20110269041 FUEL CELL COGENERATION SYSTEM  
A fuel cell cogeneration system according to the invention is disclosed, the system comprising: a fuel cell (1) for generating electric power through a reaction between a fuel gas and an oxidizing...
US20060204803 Fuel cell device, control method thereof, and electronic appliance using them  
The present invention relates to a fuel cell control of a fuel cell device using a liquid fuel, and simplifies its sensor configuration for obtaining control information. This is configured as a...
US20110097637 PURGE SYSTEM FOR FUEL CELL WITH IMPROVED COLD START PERFORMANCE  
The present invention provides a purge system for a fuel cell, which can reduce the time required to thaw a frozen valve during cold start-up and reduce the whole start-up time, thus improving the...
US20070298289 Fuel cell system water management strategy for freeze capability  
A fuel cell system that employs a method for determining the potential that a freeze condition will exist after the system is shut-down based on predetermined input, such as ambient temperature,...
US20110070511 COOLING SUBSYSTEM FOR AN ELECTROCHEMICAL FUEL CELL SYSTEM  
Improvements in startup time for an electrochemical fuel cell system from freezing and sub-freezing temperatures may be observed by minimizing the coolant volume in the coolant subsystem. In...
US20070178342 Pulsed coolant control for improved stack cold starting  
A system and method for controlling the flow of a cooling fluid through a fuel cell stack during cold system start-up. A pump pumps the cooling fluid through the stack. At cold start-up, the pump...
US20130108941 QUICK RESTART OF FUEL CELL POWER PLANT AS ALTERNATIVE TO IDLING  
A fuel cell power plant keeps track, such as with a fuel-off timer (41), of the extent to which shutdown of the fuel cell power plant has occurred, in case the fuel cell power plant is quickly...
US20090110970 FUEL CELL SYSTEM, CONTROL METHOD THEREFOR, AND MOVABLE BODY  
A fuel cell system has produced water amount detection means that detects the amount of water produced in the fuel cell during low-efficiency operation of the system and gas supply limitation...
US20150140461 METHOD OF OPERATING A HEATER  
A method is provided for operating a heater including a heater housing extending along a heater axis; a plurality of fuel cell stack assemblies disposed within the heater housing along the heater...
US20110244350 FUEL CELL SYSTEM  
An object of the invention is to provide a fuel cell system capable of improving accuracy of water content estimation during a standstill. A fuel cell system includes a fuel cell having a...
US20110143245 FUEL CELL SYSTEM  
A fuel cell system comprising: a fuel cell (1); a cooling water tank (7) and a cooling water circulation passage (32); a hot water tank (10) and a hot water circulation passage (31); a heat...
US20150221964 FREEZE START-UP METHOD FOR FUEL CELL SYSTEM  
Methods are disclosed for starting up a fuel cell system from subzero temperatures using the latent heat of crystallization available in a water supply maintained at above freezing temperature....
US20130004868 FUEL CELL SYSTEM AND METHOD FOR OPERATING SAME  
A fuel cell system has a fuel cell for generating electricity by reacting a fuel gas with an oxidant gas and an exhaust flow passage for exhausting the fuel exhaust gas exhausted from a fuel...
US20070065692 PURGE SYSTEM FOR FUEL CELL  
A purge system for a fuel cell generates an inactive gas by complete combustion of a fuel supplied to a stack unit, and allows the stack unit to be purged using the inactive gas at the time of...
US20130280630 Fuel Cell Electricity Production Device and Associated Startup Method  
An enclosure houses a fuel cell and defines an enclosed volume around the cell and is provided with openings selectively closed off by mobile shutters for regulate of air circulation between the...
US20050019634 Device for extending zinc-air battery life for intermittent use  
A device for extending zinc-air battery life for intermittent use with a battery chamber that allows air to flow to the batteries when needed, a battery chamber to completely seal off air flow to...
US20150093667 VERIFICATION OF REPLACEABLE FUEL CARTRIDGES FOR FUEL CELL POWER SYSTEMS  
A hydrogen cartridge with a dispensing end, said cartridge having unique identification associated therewith is disclosed, said cartridge providing a supply of hydrogen and being removably fitted...
US20070026267 Fuel cell system provided with a cooling circuit  
A method and apparatus for cooling a fuel cell system. The system includes a fuel cell (1) having a cooling device (15) which forms part of a cooling circuit including a liquid coolant. The...
US20090208796 COOLING SYSTEM FOR FUEL CELL STACK SHUTDOWN  
A cooling system for the shutdown process in a fuel cell powered vehicle system for eliminating the detrimental effects of voltage persistence in the fuel cell including a volume of fluid coolant...
US20100227238 FUEL CELL SYSTEM AND WATER DISCHARGE CONTROL METHOD FOR THE SYSTEM  
There is disclosed a fuel cell system including a fuel cell, a water discharge channel through which a water content discharged from this fuel cell flows, and a water discharge valve which...
US20130034787 FUEL CELL SYSTEM  
A fuel cell system includes a fuel cell, a fuel gas supply channel, a fuel off-gas discharge channel, an oxidant gas supply channel, an oxidant off-gas discharge channel, a first shut valve, a...
US20100310954 Method for frost protection in a direct methanol fuel cell  
Systems and methods for protecting fuel cell systems from frost by introduction of a freezing point depressant into the fuel cell system and/or flushing the fuel cell system with an insert gas are...
US20050271908 Cooling subsystem for an electrochemical fuel cell system  
A method for operating a cooling subsystem of an electrochemical fuel cell system during startup is disclosed. The method comprises directing a startup coolant through an electrochemical fuel cell...
US20150104722 FREEZE-TOLERANT VALVE  
A valve for reducing the likelihood of ice-related blockage in a fuel cell and methods for starting a fuel cell system. The valve includes a valve plate and coupling plate that are cooperative...
US20100304239 RAPID START-UP AND OPERATING SYSTEM FOR A FUEL CELL POWER PLANT UTILIZING A REFORMATE  
A fuel cell power plant (10) includes a power supply (58) that directs a direct current to catalysts (24), (26) of a fuel cell (22) after terminating flow of electricity to a primary load (52),...
US20130252123 FUEL CELL POWER PLANT OPERATING SYSTEM AND METHOD FOR USE IN SUB-FREEZING AMBIENT CONDITIONS  
The fuel cell power plant operating system (10) includes an on/off switching device by-pass circuit (60) to sustain operation of a fuel cell (12) whenever the fuel cell (12) on/off switching...
US20110217611 FUEL CELL SYSTEM  
It is an object of the invention to improve the accuracy of estimating a moisture content and suppress an effect of remaining water at the startup of the fuel cell system. A fuel cell system...
US20150099203 ELECTRONIC EQUIPMENT PROVIDED WITH BATTERY CHECK DEVICE  
Immediately after a main switch is turned ON, a battery check is performed based on a second inhibit voltage LVL2 higher than a first reference voltage LVL1 which is an inhibit voltage level a...
US20110091783 ELECTRONIC EQUIPMENT PROVIDED WITH BATTERY CHECK DEVICE  
Immediately after a main switch is turned ON, a battery check is performed based on a second inhibit voltage LVL2 higher than a first reference voltage LVL1 which is an inhibit voltage level a...
US20140272646 FUEL CELL SYSTEM AND METHOD TO PREVENT WATER-INDUCED DAMAGE  
In one or more embodiments, a fuel cell system includes a fuel cell stack including an anode and a cathode, a first conduit positioned to supply oxygen to the cathode, a second conduit positioned...
US20150162637 HEATER AND METHOD OF OPERATING  
A heater includes a heater housing extending along a heater axis; a fuel cell stack assembly disposed within the heater housing and having a plurality of fuel cells which convert chemical energy...
US20060153687 Hydrogen operated power system  
One form of a hydrogen operated power system according to this invention is a fuel cell system (20) provided with a supply system which supplies a gaseous fuel from a fuel supply tank (24) to a...
US20130040218 GAS SUPPLY DEVICE  
A gas supply device for use in a fuel cell system, comprises: a first injector configured to have a first maximum valve-openable pressure; a second injector arranged in parallel with the first...
US20120321976 CONTROLLING FUEL CELL  
A fuel cell system has a fuel cell that includes at least one cell with an electrolyte membrane, an index value acquirer and a controller. The index value acquirer obtains a temperature index...
US20120003551 FUEL CELL WITH PURGE MANIFOLD  
A fuel cell includes an electrode assembly having an electrolyte between an anode and a cathode for generating an electric current and byproduct water. A porous plate is located adjacent to the...
US20120237844 Method for Operating a Fuel Cell System  
A method serves for operating a fuel cell system with at least a fuel cell and a feed air side air conveyor and an outgoing air side turbine. The fuel cell system is flushed at least during a...
US20080026274 Flow Shifting Coolant During Freeze Start-Up To Promote Stack Durability And Fast Start-Up  
An auxiliary coolant system, for a fuel cell stack system, includes a reversible coolant pump, a control valve, and plumbing lines. The pump enables the reversal of the coolant flow direction in...
US20150037698 ELECTROCHEMICAL SYSTEM COMPRISING AN INDUCTION HEATING SYSTEM  
Electrochemical system comprising a fuel cell comprising a stack (2) of electrochemical cells electrically connected to one another by bipolar plates (A, B, C) interposed between two successive...
US20120052408 MEMBRANE PERMEATION ADJUSTMENT IN PEM FUEL CELL  
A system and method for correcting an estimation of nitrogen in an anode side of a fuel cell stack. The system includes a fuel cell stack and a pressure sensor for measuring pressure in an anode...
US20110143246 SATURATED VAPOR BLOCK FOR FROZEN FUEL CELL POWER PLANT  
A fuel cell power plant includes a cell stack assembly having an anode and a cathode. A component is arranged in fluid connection with at least one of the anode and cathode. The component has a...
US20140356745 ENERGY SYSTEM HAVING A FUEL CELL ARRANGEMENT  
An energy system having a fuel cell arrangement, wherein the fuel cell arrangement has at least one fuel cell and the fuel cell arrangement has at least one first electrical contact and at least...
US20120135326 BACK-UP FUEL CELL ELECTRIC GENERATOR COMPRISING A COMPACT MANIFOLD BODY, AND METHODS OF MANAGING THE OPERATION THEREOF  
A fuel cell electric generator designed for back-up in the absence of network electricity supply. The generator comprises a fuel cell stack, means for supplying the stack with a first and a second...
US20150221961 FUEL CELL SYSTEM AND CONTROL METHOD THEREOF  
A fuel cell system includes a fuel cell, a first combustor, a second combustor, a first heating gas return channel, a second heating gas return channel and a gas supplier. The fuel cell includes a...
US20110244346 METHOD OF ENTERING AND EXITING A REGENERATIVE/STAND-BY MODE ON A FUEL CELL SYSTEM WHERE THE FUEL CELL IS SEPARATED FROM THE REGENERATIVE SOURCE BY A BLOCKING POWER DIODE  
A method for operating a fuel cell stack where electrical energy from regenerative braking is used to operate system loads instead of using fuel cell stack power to conserve hydrogen. A fuel cell...
US20110020719 FUEL CELL SYSTEM AND METHOD OF CONTROLLING THE SAME  
A fuel cell system is equipped with a drive motor, a fuel cell, normal electric power generation means for performing normal electric power generation under a condition that the fuel cell is not...