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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...
US20080085432 Solid oxide fuel cell module and control method thereof  
In a solid oxide fuel cell module (1) incorporating a burner (6) not only in an oxidizer side burner (5) of the module (1) but also in a fuel side, directly heating from both sides by a combustion...
US20070298296 External control of a vehicle coolant pump with remote heating option  
A system and method for operating a cooling fluid pump and cooling fluid heater in a vehicle when the vehicle is not being used so that the temperature of the cooling fluid does not drop to low in...
US20050019631 Fuel cell cogeneration system  
A fuel cell cogeneration system comprises a fuel cell, a cooling system for the fuel cell, a heater, a heat utilization portion configured to store heat recovered in the cooling system to allow...
US20120021321 FUEL CELL SYSTEM  
A fuel cell system (301) of the present invention comprises a fuel cell (1); a water circulating path (9) through which water associated with an operation of the fuel cell (1) circulates; a water...
US20060068248 High efficiency system for low cost conversion of fuel to vehicle hydrogen  
An electrochemical system for the direct conversion of carbonaceous fuel into electrical energy and/or pure hydrogen. The system comprises at least two solid oxide fuel cell stack assemblies in...
US20080070078 Jet fuel based high pressure solid oxide fuel cell system  
A power system for an aircraft includes a solid oxide fuel cell system which generates electric power for the aircraft and an exhaust stream; and a heat exchanger for transferring heat from the...
US20050084723 Fuel cell system  
A fuel cell system which includes: a fuel cell having an electrolyte membrane; a tank for storing water for humidifying the electrolyte membrane; a pump for circulating the water through the tank...
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,...
US20080113239 Fuel cell system and method of driving the same  
A fuel cell system is disclosed. In one embodiment, the fuel cell system includes: i) a fuel tank that contains a fuel in at least a partially liquefied state, ii) a heat-generating unit that...
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...
US20070042248 EXTINGUISHING SYSTEM FOR FUEL CELL  
An extinguishing system for a fuel cell comprises: a stack unit for generating an electrical energy and a heat energy; a temperature sensing unit installed at the stack unit; an extinguishing unit...
US20070207362 Freeze capable compact fuel cell system with improved humidification and removal of excess water and trapped nitrogen  
A freeze capable compact fuel cell system to facilitate improved humidification in dry operating conditions and improved freeze capability as well as to facilitate improved removal of excess water...
US20060063048 Optimal temperature tracking for necessary and accurate thermal control of a fuel cell system  
A temperature control scheme for a fuel cell stack thermal sub-system in a fuel cell system. The thermal sub-system includes a coolant loop directing the cooling fluid through the stack, a pump...
US20130071766 PROTON-CONDUCTING STRUCTURE AND METHOD FOR MANUFACTURING THE SAME  
A proton-conducting structure that exhibits favorable proton conductivity in the temperature range of not lower than 100° C., and a method for manufacturing the same are provided. After a...
US20130288082 WARMING FEATURE FOR AIRCRAFT FUEL CELLS  
A system and method for warming a fuel cell on an aircraft, the system includes at least one fuel cell. The fuel cell includes an anode and a cathode for creating thermal and electrical energy. A...
US20070082239 Thermal management system for regenerative fuel cells and method thereof  
A regenerative fuel cell power system has a plurality of fuel cell power modules, a plurality of electrolysis modules, a water management system and a master controller. The master controller...
US20070148504 Maintaining a fluid level in a heat exchanger of a fuel cell system  
A technique includes providing a fluid to a heat exchanger to produce a gas. The technique includes humidifying a flow of a fuel cell system with the gas and regulating a level of the fluid in the...
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...
US20060164795 Systems and methods for thermally isolating independent energy producing entities  
Systems and methods for thermally isolating multiple energy producing entities and for monitoring the operational status of each entity. A thermal dielectric placed between each of the multiple...
US20060216556 Gas flow control assembly for use with fuel cell systems operating on fuels with varying fuel composition  
A gas flow control assembly for use in a fuel cell system comprising an airflow control assembly for adjusting flow of air to a cathode side of the fuel cell system based on content variations in...
US20120270130 METHOD FOR SUPPLYING POWER FROM A FUEL CELL TAKING SULPHUR OXIDE POLLUTION INTO ACCOUNT, AND POWER SUPPLY DEVICE  
The method for supplying power from a fuel cell detects a sulphur oxide in the oxidising gas of the cell and decreases the operating temperature of the cell when the quantity of sulphur oxide...
US20110136031 FUEL CELL SYSTEM AND ELECTRONIC DEVICE  
According to an embodiment, in a fuel cell system, a power generator generates electric power with fuel in a fuel cell unit, first and second temperature detectors detect an ambient temperature...
US20050026012 Diffusion media tailored to account for variations in operating humidity and devices incorporating the same  
A diffusion media and a scheme for tailoring the parameters of the diffusion media are provided for addressing issues related to water management in electrochemical cells and other devices...
US20060172164 Fuel cell and fuel cell system  
A fuel cell system has a fuel cell stack, a controller, and a cooling water channel. The controller executes the control for the temperature of cooling water flowing through the cooling water...
US20080176114 FUEL CELL SYSTEM AND MANAGING METHOD THEREOF  
A fuel cell system a includes a cooling water temperature raising unit that raises the temperature of a fuel cell stack by passing discharge gas of a process burner or hydrogen gas of a fuel...
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...
US20050112436 Methods and devices for heating or cooling fuel cell systems  
The present disclosure relates generally to cooling devices for fuel cell systems. More particularly, the present disclosure relates to fuel cell stacks comprising one or more fuel cell assemblies...
US20090253007 Method and apparatus for anode oxidation prevention and cooling of a solid-oxide fuel cell stack  
An apparatus and method for a normal system shutdown of a SOFC system implements a control strategy that utilizes existing system hardware and operating processes already used during normal...
US20120189876 FUEL CELL PURGE SYSTEM  
A fuel cell purge system including a fuel cell assembly, a fuel supply that supplies fuel to the fuel cell assembly at a first flow rate, an adjustable load that applies a load on the fuel cell...
US20120115059 ELECTRICITY OUTPUT MANAGING SYSTEM FOR A FUEL CELL STACK  
An electricity output managing system for a fuel cell stack is disclosed. It includes a fuel cell stack, many power switches, an electricity adjusting module, multiple thermal sensors, and a...
US20060099469 Control apparatus to improve start-up time in a PEM fuel cell power module  
A fuel cell system that uses compressed and heated cathode input air to heat the fuel cell stack at system start-up. The system includes a heat exchanger that uses the system cooling fluid to cool...
US20110076583 FUEL CELL WITH ANODE AND CATHODE PLATE TEMPERATURE DIFFERENCE  
A method of operating a fuel cell is described. The method includes controlling the temperature of the anode plate and the temperature of the cathode plate to obtain a temperature difference of at...
US20150004503 FUEL CELL SYSTEM  
To restrain the leakage of an exhaust gas from inside of a fuel cell module to the outside of a fuel cell system. A simplified airtight housing 4 constituting a SOFC system accommodates a fuel...
US20070065695 Coolant flow estimation for the thermal loop of a fuel cell system using stack loss power  
A thermal sub-system for a fuel cell system that calculates a desired volume flow or mass flow of a cooling fluid pumped through a fuel cell stack solely on thermal stack power loss and cooling...
US20120196199 FUEL CELL SYSTEM AND METHOD FOR CONTROLLING THE SAME  
A fuel cell system and a method for controlling the same are provided. Based on the method, a control temperature of a fuel cell stack is set, and an environment temperature and an operating...
US20070111060 Safety System For Reducing The Explosion Risk Of A Fuel Tank  
A safety system for reducing the explosion risk of a fuel tank comprises a protective gas generating device and a delivery device for delivering the protective gas generated by the protective gas...
US20150188167 APPARATUS FOR CONTROLLING FUEL CELL HEATING VALUE  
Disclosed herein is an apparatus for controlling a fuel cell heating value. The apparatus includes stack condition sensors which senses conditions of respective fuel cell stacks, and a control...
US20070248859 Recuperative exhaust gas processor for a fuel cell system  
Fuel cell systems and methods are disclosed, where the systems include a burner configured to receive a first gas that is exhausted from a fuel cell and to combust the first gas to provide a...
US20110195330 FUEL CELL AND ELECTRONIC DEVICE  
Provided is a fuel cell capable of stopping, during abnormal heat generation, a supply of fuel and/or air, and preventing additional abnormal heat generation. In an electrode structure (a heat...
US20060166058 Fuel cell system ensuring stability of operation  
A fuel cell system designed to supply non- or low-humidified air to a fuel cell stack and ensure the stability of operation thereof. The system works to monitor operating conditions of the fuel...
US20060240298 Fuel cell temperature control apparatus  
A fuel cell temperature control apparatus controlling a temperature of a fuel cell (5) disposed in an underfloor portion (3U) of a vehicle (1) is provided with a coolant circuit (11) permitting...
US20080113240 SLOW PURGE FOR IMPROVED WATER REMOVAL, FREEZE DURABILITY, PURGE ENERGY EFFICIENCY AND VOLTAGE DEGRADATION DUE TO SHUTDOWN/STARTUP CYCLING  
A system for the slow purge of a fuel cell stack. A pump can be used to keep the coolant circulating, so that the stack, an associated radiator, and coolant plumbing therebetween are maintained at...
US20060263657 Anode tail gas recycle cooler and re-heater for a solid oxide fuel cell stack assembly  
An SOFC fuel cell stack system in accordance with the invention including a recycle flow leg for recycling a portion of the anode tail gas into the inlet of an associated hydrocarbon reformer...
US20070111066 Aeroplane Steam-Bath Facility  
A wellness facility (10), which is suitable, in particular, for use on board an aeroplane, comprises a wellness unit (12) and a supply unit (14). The supply unit (14) comprises a fuel-cell system...
US20080066299 Manufacturing method of a hydrogen separation membrane-electrolyte membrane assembly and a fuel cell provided with that assembly  
A manufacturing method of a hydrogen separation membrane-electrolyte membrane assembly which includes the steps of applying a hydrogen permeation treatment at a predetermined temperature to a...
US20070218326 Approach of solving humidification device turndown ratio for proton exchange membrane fuel cells  
An apparatus and method for controlling humidification device turndown ratio for proton exchange membrane fuel cells includes a proton exchange membrane fuel cell, a humidifier, a water separator...
US20060280978 Fuel cell system running on high pressure gas and process for controlling the system  
Disclosed is a fuel cell system which includes a fuel cell, a high-pressure tank for containing a fuel, a supply device for delivering the fuel of the high-pressure tank to the fuel cell, a fuel...
US20110053012 FUEL CELL SYSTEM WITH IMPROVED HUMIDIFICATION PERFORMANCE  
The present invention provides a fuel cell system, which reduces the temperature of exhaust gas discharged from a fuel cell stack to a humidifier to increase the humidity thereof when the fuel...
US20080187803 Use of Wax Elements as Passive Control Devices in Fuel Cell Power Systems  
A fuel cell system that employs one or more wax elements to provide passive control. In one embodiment, a wax element device is positioned within a coolant stream pipe. The wax element device...