REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Chemistry: Electrical Current Producing Apparatus, Product, And Process > Fuel Cell, Subcombination Thereof Or Methods Of Operating > Automatic Control Means > Temperature Dependent Temperature DependentTemperature Dependent patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.06/07/07 - 20070128484 - Fuel cell system A technology for preventing degradation of a hydrogen permeable metal layer in a fuel cell 210 is provided. A fuel cell system 200 including a fuel cell 210 with an anode which has the hydrogen permeable metal layer comprises a fuel cell controller 230 for controlling the operation status of ... 05/10/07 - 20070104986 - Diagnostic method for detecting a coolant pump failure in a fuel cell system by temperature measurement A technique for determining whether a cooling fluid pump used for pumping a cooling fluid through a fuel cell stack has failed. The technique includes measuring the temperature of the cooling fluid at the output from the stack and/or measuring the cathode exhaust gas temperature as close as possible to ... 04/26/07 - 20070092773 - Organic vapor fuel cell A fuel cell including primarily (a) a membrane electrode assembly, which comprises (i) a proton exchange membrane having a front face and a rear face, (ii) an anode being coupled to the front face, and (iii) a cathode being coupled to the rear face; (b) a fuel permeation-controlling member positioned ... 04/19/07 - 20070087238 - Fuel cell system and shutoff method A fuel cell system includes a fuel cell, an operation controller, a checking unit, a scavenging unit, an instructing unit, a temperature sensor, a humidifier and a humidification controller. The operation controller selects one of a normal operation mode and a low-temperature operation mode. The checking unit determines whether the ... 04/05/07 - 20070077469 - Direct oxidation fuel cell systems with regulated fuel cell stack and liquid-gas separator temperatures A direct oxidation fuel cell system comprises at least one membrane electrode assembly (MEA) including a cathode and an anode with an electrolyte membrane therebetween, the MEA adapted for performing selected electrochemical reactions at the cathode and anode; a liquid/gas (L/G) separator in fluid communication with the cathode and anode ... 03/22/07 - 20070065695 - 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 fluid temperature. An algorithm calculates a power loss of the stack and then calculates the ... 03/22/07 - 20070065694 - Advanced control for an electrical heatable wax thermostat in the thermal coolant loop of fuel cell systems A control algorithm for a by-pass valve in a thermal sub-system of a fuel cell system, where the by-pass valve includes a wax element that is heated by a heating element. A stack power loss is applied to a PDT1 controller that associates a PDT dynamic function to the loss. ... 03/22/07 - 20070065693 - Diagnostic method for detecting a coolant pump failure in a fuel cell system by temperature measurement A technique for determining whether a cooling fluid pump used for pumping a cooling fluid through a fuel cell stack has failed. The technique includes measuring the temperature of the cooling fluid at the output from the stack and/or measuring the cathode exhaust gas temperature as close as possible to ... 03/15/07 - 20070059570 - Fuel cell system This fuel cell system is equipped with a fuel cell having a reaction gas flow passage, generating power by the reaction gas being supplied to the reaction gas flow passage, having a refrigerant flow passage, and cooled by the refrigerant being supplied to the refrigerant flow passage; a reaction gas ... 02/22/07 - 20070042249 - System for preventing freezing of fuel cell A system for preventing freezing of 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; a heater unit operated according to a value sensed by the temperature sensing unit; and a control unit electrically ... 02/22/07 - 20070042248 - 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 operated according to a value sensed by the temperature sensing unit; and a control unit electrically connected to ... 02/22/07 - 20070042247 - Fuel cell stacks and systems with fluid-responsive temperature regulation Fuel cell stacks and systems with thermal management systems to deliver a liquid heat exchange fluid into thermal communication with the stack and thereafter recycle the stream. In some embodiments, the system is adapted to selectively apportion the recycled liquid stream between a stream that, prior to reuse as a ... 02/22/07 - 20070042246 - Fuel cell system, power generation method of fuel cell system, and electric device A fuel cell system is provided in which waste energy hitherto exhausted from a computer (10) can be reduced to improve the power generation efficiency of a fuel cell (27). Heat generated from a CPU (11) is supplied to the fuel cell (27), thereby controlling the temperature of the fuel ... 02/08/07 - 20070031709 - Electronic apparatus and fuel cell control method for electronic apparatus An electronic apparatus is provided which includes a fuel cell device configured to supply electrical power to the electronic apparatus; a temperature sensor configured to measure, other than at the fuel cell device, temperature within the electronic apparatus; a power storage unit configured to store electrical power generated by the ... 02/08/07 - 20070031708 - Fuel cell cogeneration system To provide a fuel cell cogeneration system which can achieve high electricity generation efficiency, high waste heat recovery efficiency and a high system operation rate. A fuel cell cogeneration system comprises: a reforming device 7 for reforming raw material fuel 2 to generate reformate 3; a humidifying device 70 for ... 12/21/06 - 20060286421 - Fuel supply control method and system for fuel cells The invention provides a fuel supply control system for fuel cells, controlling fuel concentration in a fuel unit. The fuel supply control system comprises a first thermal meter detecting a system temperature of the fuel cell, a fuel supply device comprising a fuel tank storing highly concentrated fuel and a ... 12/14/06 - 20060280978 - 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 consumption control mechanism for controlling an amount of the fuel consumed in the fuel cell, ... 11/09/06 - 20060251938 - Fuel cell system An aspect of the present invention provides a fuel cell system that includes a fuel cell stack (1) configured to provide electric power or electric current, a cooling unit (3, 4) configured to cool the fuel cell stack (1) by flowing a coolant through a coolant passage (2) provided in ... 10/26/06 - 20060240299 - Fuel cell vehicle and water discharging method for fuel cell vehicle A fuel cell vehicle is provided with a fuel cell which generates electric power by a reaction of a reaction gas and discharges water, a tank which accumulates water discharged from the fuel cell, a heater which vaporizes water accumulated in the tank, a discharge valve which switches between accumulating ... 10/26/06 - 20060240298 - 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 coolant, by which a fuel cell is cooled, to flow through a heat exchanger (9, 47) disposed in ... 10/19/06 - 20060234094 - Control device of vehicular fuel cell system and related method A control device (10) for a vehicular fuel cell system (S) is provided with a warm-up output control section (8) operative, when a fuel cell system is started up under a low temperature condition and in case that a fuel cell stack of the fuel cell system is warmed up, ... 10/05/06 - 20060222918 - Fuel cell system and method of controlling the same To ensure an output performance (EP) of a fuel cell stack (3) without providing excessive operation restriction, a controller (43) of a fuel cell system (1) is provided with: an operation restrictor (45) configured to restrict an operation of the stack (3) so that a delivered air temperature (T2) of ... 09/07/06 - 20060199053 - Fuel cell system A fuel cell system for rapidly initiating a fuel cell stack. The fuel cell system includes a fuel cell stack including at least one unit fuel cell for generating electricity through an electro-chemical reaction of an oxidant and a fuel containing hydrogen, a fuel-supplying unit for supplying the fuel and ... 07/06/06 - 20060147772 - Fuel cell system A fuel cell system includes a bypass circuit for refrigerant that is used when the system is started below a temperature point, such as the freezing point of water. In one embodiment, the fuel cell system includes a pump to circulate the refrigerant and one or more valves to direct ... 07/06/06 - 20060147771 - Fuel cell system with independent reformer temperature control A fuel cell system includes a plurality of fuel cell stacks, a plurality of reformers, and a plurality of combustors. Each reformer is adapted to reform a hydrocarbon fuel to a hydrogen containing reaction product and to provide the reaction product to at least one of the plurality of the ... 06/29/06 - 20060141310 - Fuel cell system and method of controlling the same A fuel cell system wherein even if the fuel cell is exposed to a cold environment, stabilization of power generation is possible. The fuel cell system comprises: a fuel cell in which electric power is generated by a reaction of reaction gases; purging means for purging at least one of ... 06/29/06 - 20060141309 - Fuel cell system and method of starting fuel cell system A reaction gas is supplied to a cathode side of a fuel cell at a flow rate higher than that for a usual operation of the fuel cell to thaw the fuel cell system at startup in a freezing state of the system when the system has experienced a temperature ... 06/29/06 - 20060141308 - Apparatus and method for variable conductance temperature control An integrated heat management assembly that is thermally coupled to a component requiring temperature control is provided. The integrated heat management assembly in one embodiment of the invention is a heat switch which includes two opposed surfaces, a first surface being a hot contact which is coupled to the component, ... 06/29/06 - 20060141307 - Liquid fuel direct supply fuel cell system and its operation controlling method and controller A liquid fuel direct supply fuel cell system capable of being operated under optimal conditions. A plurality of cells each having an anode and a positive electrode disposed oppositely through an electrolytic film and being fed, respectively, with liquid fuel and oxidizing agent gas are connected in series as a ... 06/22/06 - 20060134481 - Dual pump fuel cell temperature management system The outflow of coolers or water transport plates of a fuel cell stack (15) is fed to the inlet of a gas/liquid separator (12), the liquid output of which is connected through a primary pump (11a) to a liquid accumulator (21). A secondary pump (44) connected to the liquid output ... 06/01/06 - 20060115699 - Fuel cell system Each of fuel cells (1) comprises an electrolyte membrane (10) which is held between an anode (2) and a cathode (3), and is caused to perform power generation by supplying hydrogen to the anode (2) from a hydrogen passage (11) and supplying air to the cathode (3) from an air ... 05/11/06 - 20060099469 - 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 the compressed and heated cathode input air before it is sent to the fuel cell ... 05/04/06 - 20060093881 - Fuel-cell evaluation equipment A fuel-cell evaluation equipment includes a gas passageway for supplying gas to a fuel cell and a thermostat adapted to accommodate the fuel cell, wherein the gas passageway includes a first temperature regulator adapted to regulate the temperature of gas and a humidity regulator adapted to regulate the humidity of ... 04/27/06 - 20060088745 - Fuel cell system A fuel cell system capable of proper driving even at times of low temperature, below freezing or the like. The fuel cell system includes a fuel cell stack, piping, a pressure regulator, and a control unit. The piping discharges hydrogen or air that is used in electricity generation from the ... 04/20/06 - 20060083968 - Fuel cell assembly operating method and fuel cell system A method of operating a fuel cell assembly and a fuel cell system use a simple construction to restrain deterioration of power generating performance of a fuel cell assembly at a startup in a subfreezing environment. If an ignition switch is turned off is STEP 1, a control unit determines ... 04/20/06 - 20060083967 - Fuel cell system A fuel cell system has a fuel cell (1) performing power generation as a result of reactions in supplied gases, a humidifying device (34) for humidifying at least one supplied gas by using water from water tank (31), and a coolant temperature regulation device (21, 22, 25, 26, 27, 28, ... 04/06/06 - 20060073367 - Fuel cell system A fuel cell system of the present invention performs power generation stoppage control for stopping a power generating operation after generating power for making a temperature of a specified portion of a fuel cell be a specified value or greater when the power generating operation of the fuel cell is ... 03/23/06 - 20060063049 - Fuel cell system As a freezing judgment mechanism, comprised in a gas-liquid separator are electrodes and, an iron core, a magnetic absorption substance located within the water, and guides and for controlling the operation of the magnetic absorption substance. The control unit applies a voltage to the electrodes, changing the iron core to ... 03/23/06 - 20060063048 - 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 for pumping the cooling fluid through the coolant loop, a radiator for cooling the cooling fluid outside of ... 02/16/06 - 20060035121 - Fuel cell system A fuel cell system comprises a hydrogen supply system 2 which supplies hydrogen to a fuel cell 1, a heating medium supply system 4 which adjusts a temperature of the fuel cell 1 by causing a heating medium to recirculate into the fuel cell 1, a burner 5 which generates ... 01/26/06 - 20060019136 - Fuel cell stack temperature control system and method A temperature control system and method for a fuel cell stack cooling system is disclosed. The temperature control system includes a coolant circulation line for circulating a coolant to and from a fuel cell stack. A coolant pump is provided in the coolant circulation line, and a pump ΔP sensor ... 12/29/05 - 20050287406 - Fuel cell system and method for generating electricity from a fuel cell system comprising a fuel cell stack divided into sub-tracks Methods of generating electricity from a fuel cell system and fuel cell systems are provided. The fuel cell system comprises a fuel cell stack divided into an anode-side sub-stack, central sub-stack, and cathode-side sub-stack by current collectors positioned at each end of the fuel cell stack and two current collectors ... 12/15/05 - 20050277005 - Fuel cell system and method of controlling thereof The fuel cell system has: a fuel cell stack having a fuel electrode and an oxidant electrode that face each other with a electrolyte membrane interposed between the fuel electrode and the oxidant electrode; a gas supply unit configured to supply a fuel gas to the fuel electrode and an ... 11/10/05 - 20050249992 - Power supply system and abnormal detection method for the power supply system A power supply system for producing electric power comprising at least a power generation section for generating power comprises at least one chemical reaction section to which fuel for power generation is supplied; heating sections for heating the chemical reaction section; and comprises a temperature detection section for detecting the ... 10/27/05 - 20050238934 - Fuel cell stack defrosting A fuel cell power plant comprises a fuel cell stack (1) constituted by a plurality of fuel cells which perform electric power generation by means of a reaction of hydrogen and oxygen. A controller (16) determines whether or not moisture inside the fuel cell stack (1) is frozen, and if ... 10/13/05 - 20050227131 - Fuel cell system A fuel cell system of the present invention is mounted on a moving object and is equipped with a fuel cell for generating power by chemically reacting a fuel gas supplied to an anode and an oxidizer gas supplied to a cathode; a cooling mechanism for cooling the fuel cell ... 10/06/05 - 20050221137 - Fuel humidifier and pre-heater for use in a fuel cell system A fuel humidifier/pre-heater system (10) is provided for pre-heating and humidifying a fuel flow, and is particularly useful for pre-heating and humidifying a fuel flow for a fuel cell, particularly molten-carbonate fuel cells (60). The system includes a steam generator (12), a water bypass (18), a liquid/steam mixer (20), and ... 09/29/05 - 20050214608 - Fuel cell control system and related method A fuel cell control system 1 includes a cooling liquid inlet temperature sensor 16 and a cooling liquid outlet temperature for detecting an operating temperature of a fuel cell stack 11A, a radiator 14 by which the operating temperature of the fuel cell stack 11A is regulated, and a control ... 09/22/05 - 20050208352 - Fuel cell system A fuel cell system is provided with a fuel cell stack composed of one or more fuel cells, a discharging flow path for conducting an exhaust from the fuel cells connected to the fuel cells and a radiator for cooling the exhaust to a controlled temperature. ... 09/15/05 - 20050202293 - Fuel cell conditioning system and related method A fuel cell conditioning system and related method are disclosed to condition a fuel cell stack 2 to be ready for use. The fuel cell stack 2 is associated with a cell temperature control device 3, 15 such that a temperature of the fuel cell stack 2 is raised to ... 09/01/05 - 20050191535 - Apparatus and method for controlling a fuel cell system The invention provides integrated fuel cell systems and associated operating methods wherein oxidant flow is controlled in response to an oxygen sensor in an exhaust stream of a fuel cell exhaust gas oxidizer, and fuel flow is controlled in response to a temperature measurement associated with the oxidizer. ... 08/25/05 - 20050186457 - Fuel cell system back-pressure control with a discrete valve A fuel cell system that employs a two-position valve at the cathode exhaust gas output for controlling the pressure within the fuel cell stack to control the stack relative humidity. In one embodiment, the two-position valve is switchable between a fully open and a fully closed position, where the valve ... 08/18/05 - 20050181250 - Methods and apparatuses for managing fluids in a fuel cell system A fuel cell system including an anode chamber having a fuel mixture comprising methanol and water, and a diffusion layer, a fuel source in fluid communication with the anode chamber via a conduit, a cathode chamber having a cathode and a diffusion layer, wherein the diffusion layer is in fluid ... 07/28/05 - 20050164056 - Fuel cell cogeneration system A fuel cell cogeneration system includes a fuel cell, a cooling water heat exchanger provided on a cooling water pathway, a stored hot water pathway through which stored hot water that exchanges heat with cooling water flows, a stored hot water tank, a stored hot water controlling device, a stored ... 06/09/05 - 20050123813 - Fuel cell system and related method A fuel cell system and related method are disclosed having a system controller 37 that executes enthalpy calculation based on status signals, related to anode off-gas and cathode off-gas, detected by a temperature detector 29, a pressure detector 30 and a humidity detector 31 for thereby predicting a combustion temperature ... 06/09/05 - 20050123812 - Fuel cell system and its control method A fuel cell system comprises a reformer (8) which produces reformate gas containing hydrogen using gas containing oxygen and raw material vapor, and a fuel cell (9) which generates power by reacting hydrogen in the reformate gas with oxygen. A controller (21) determines whether or not excess hydrogen has been ... ### FreshPatents.com Support |