| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 429024000 | Temperature dependent | 53 |
| 20080220302 | FUEL CELL SYSTEM - There is provided a fuel cell system including a fuel supply control mechanism which is disposed between the fuel tank and the fuel cell and capable of interrupting the supply of the fuel; and a temperature sensor provided to a circuit connecting the fuel supply control mechanism to the fuel cell, for changing a resistance value according to at least one of a temperature of the power generation of the fuel cell and a temperature of an electronic device supplied with electric power from the fuel cell, in which the fuel supply control mechanism is operated by a change in the resistance value of the temperature sensor so that the supply of the fuel is interrupted. The system enables more reliably interrupting a supply of a fuel by a passive structure in a control when a temperature of a power generation portion of a fuel cell exceeds an allowable range. | 09-11-2008 |
| 20080233445 | Fuel Cell System - A fuel cell system is described that enables discharge of moisture generated by the fuel cell system based on pressure differences between components of the fuel cell system. The fuel cell system includes a fuel cell that discharges oxidant offgas via a cathode discharge pipe and discharges fuel offgas and moisture to an anode drain opening that in turn discharges the fuel offgas and the moisture to a gas-liquid separator via an anode drainpipe. A throttle valve establishes a pressure difference downstream within the anode drainpipe to enable movement of the fuel offgas and the moisture from the anode drain opening to a lower pressure area of the gas-liquid separator. In addition, the pressure difference enables the fuel offgas to flow from the gas-liquid separator to the cathode discharge pipe through the throttle valve. | 09-25-2008 |
| 20080248351 | Fuel Cell System - The object of the present invention is to provide a fuel cell system enabling reliable startup thereof, even below the freezing point. The fuel cell system | 10-09-2008 |
| 20080254331 | FUEL CELL WITH SHUTOFF DEVICE - A fuel cell with a shutoff device is provided. The substance shutoff device is for shutting down the communication of at least one of an inflammable substance and an oxidizer when the inflammable substance and the oxidizer are brought into contact with each other to thereby prevent further contact between the inflammable substance and the oxidizer. The substance shutoff device comprises a catalyst portion provided in contact with one of an inflammable substance flow path and an oxidizer flow path; and a shutoff means, which operates by heating through a reaction between the inflammable substance and the oxidizer in the catalyst portion to shut down the communication of at least one of the inflammable substance and the oxidizer. | 10-16-2008 |
| 20080268311 | FUEL CELL SYSTEM - A fuel cell system includes a cell stack, a temperature sensor which detects a temperature of the cell stack, an outside air temperature sensor which detects an outside air temperature, and a CPU which controls a process in the fuel cell system. When the temperature of the cell stack is lower than a predetermined temperature, the fuel cell system performs a temperature raising operation of the cell stack by making the concentration of aqueous methanol solution in an aqueous solution tank higher than in a normal operation and by making an output of an aqueous solution pump greater than in the normal operation. The CPU sets a run time for the temperature raising operation based on a detection result from the outside air temperature sensor, a detection result from the temperature sensor, and a run time setting table which is stored in a memory. The fuel cell system is capable of raising a temperature of the fuel cell quickly and stably to the predetermined temperature. | 10-30-2008 |
| 20080280177 | Gas Separator for Fuel Cells and Fuel Cell Equipped With Gas Separator - A gas separator for a fuel cell has a first plate that forms one face; a second plate that forms the other face of the gas separator; and a third plate located between the first plate and the second plate. The third plate-has a cooling medium flow path forming hole defining a cooling medium flow path between the first plate and the second plate and is provided in at least part of an area overlapping an electrolyte layer and electrode layers in lamination. A flow rate regulator is provided in the cooling medium flow path and regulates a flow rate to have a higher flow rate during power generation of the fuel cell. A temperature distribution is determined according to at least either of an operating condition of the fuel cell or an environment surrounding the fuel cell. | 11-13-2008 |
| 20080299428 | FUEL CELL SYSTEM - A fuel cell system is provided that can suppress the degradation of the MEA and simultaneously assure the merchantability. The fuel cell system | 12-04-2008 |
| 20090004518 | Fuel Cell System and Vehicle Mounted With Fuel Cell System - When a vehicle mounted with a fuel cell system travels using electric power supplied from the system, a predetermined portion forming the system, such as a fuel cell, is prevented from being frozen by the relative wind. The fuel cell system is mounted on a vehicle and has the fuel cell for generating electric power by using fuel gas and oxidized gas as fuel and also has a control section for controlling the system. When the speed of the vehicle is higher than or equal to a predetermined threshold and predetermined conditions determined by physical quantities relating to power generation conditions of the fuel cell are satisfied, the control section determines that freeze prevention processing is necessary even if the fuel cell is generating electric power and performs the processing. | 01-01-2009 |
| 20090017351 | FUEL CELL SYSTEM - There is disclosed a fuel cell system capable of performing low-temperature countermeasure control at an appropriate timing when necessary. To judge necessity of the low-temperature countermeasure control, a control unit performs automatic judgment based on surrounding environment information supplied from a navigation system and indicating a state (an outside air temperature or the like) of a surrounding environment. Then, the control unit weighs both of a judgment result of this automatic judgment and a judgment result of switch judgment based on user's operation of a low-temperature countermeasure control switch, and performs final judgment based on the respective weighted judgment results. | 01-15-2009 |
| 20090023023 | Fuel Cell Control System - A fuel cell control system of the present invention includes a fuel cell ( | 01-22-2009 |
| 20090047556 | FUEL CELL SYSTEM - The electromotive force of each of power generating cells of a fuel cell unit is compared with a first threshold voltage E | 02-19-2009 |
| 20090053566 | Fuel Cell System - An object of the present invention is to provide a fuel cell system capable of avoiding damage to a circulation pump at a low temperature to improve system efficiency. The fuel cell system of the present invention includes a fuel gas circulation system having a circulation path which re-circulates, through a fuel cell, a fuel off gas discharged from the fuel cell, and a circulation pump which feeds under pressure the fuel off gas in the circulation path; and a controller which controls driving of the circulation pump. The controller stops the driving of the circulation pump at a predetermined low temperature. | 02-26-2009 |
| 20090061270 | FUEL CELL SYSTEM AND METHOD OF OPERATING THE FUEL CELL SYSTEM - A fuel cell system includes a fuel cell stack, a combustor, a heat exchanger, and heat utilization equipment. Further, the fuel cell system includes a bypass channel and a control device. In the bypass channel, at least some of heat medium produced in the combustor is supplied to the heat utilization equipment, bypassing the heat exchanger. The control unit adjusts the supply of the heat energy supplied to the fuel cell stack through an oxygen-containing gas heated by the heat exchanger, and adjusts the heat energy of the heat medium which passes through the bypass channel, and which is supplied to the heat utilization equipment. | 03-05-2009 |
| 20090068516 | Fuel Cell System - A fuel cell system has a fuel cell stack ( | 03-12-2009 |
| 20090104491 | Method for regulating the exhaust temperature of a fuel cell system - A method for controlling the exhaust gas temperature of a fuel cell system, the fuel cell system including a fuel cell having an anode and a cathode, and further including a fuel supply line for supplying H | 04-23-2009 |
| 20090110989 | FLOW CONTROL ASSEMBLY FOR USE WITH FUEL CELL SYSTEMS OPERATING ON FUELS WITH VARYING FUEL COMPOSITION - A flow control assembly for use in a fuel cell system, comprising a sensor for sensing hydrogen concentration in one of anode exhaust leaving an anode side of the fuel cell system and a gas derived from the anode exhaust, and a fuel flow control assembly for controlling the flow of fuel to the anode side of the fuel cell system based on the hydrogen concentration sensed by the sensor. | 04-30-2009 |
| 20090110990 | HYDROGN SUPPLY APPARATUS AND FUEL GAS SUPPLY APPARATUS - Disclosed is a hydrogen supply apparatus which can mix an odorant with hydrogen gas even at a low temperature and can detect the leakage of the hydrogen gas. The apparatus comprises a gas storage portion which stores hydrogen gas therein, an odorant-addition portion which adds an odorant to the hydrogen gas fed from the gas storage portion, and a temperature control portion which controls the temperature of at least one of the hydrogen gas stored in the gas storage portion, the hydrogen gas fed from the gas storage portion and the odorant. | 04-30-2009 |
| 20090136804 | Fuel Cell System and Its Temperature Adjusting Method - A fuel cell system having a fuel cell, coolant circulating means which circulates cooling water into the fuel cell, temperature sensors which detect a cooling water outlet temperature and a cooling water inlet temperature, and temperature adjusting means which adjusts a temperature of the fuel cell by controlling a flow rate of the coolant on the basis of the cooling water outlet temperature, is characterized by including abnormality determining means which determines whether or not abnormality occurs in the temperature sensor, and coolant temperature estimating means which, when the abnormality determining means determines that abnormality occurs in the temperature sensor, estimates the cooling water outlet temperature on the basis of physical information relating to operating states of the fuel cell. | 05-28-2009 |
| 20090142635 | Coolant temperature controller for fuel cell vehicle - A coolant temperature controller for a fuel cell vehicle comprises: a housing including first and second inlet ports provided on one side thereof and an exhaust port provided on the other side thereof in a horizontal direction with respect to the first inlet port; a plunger operating portion including an operating plunger for capable of vertical movement between the first and second inlet ports and the exhaust port of the housing to proportionally control degree of opening of the first and second inlet ports; a motor mounted on the top of the plunger operating portion; and a motor shaft connected to the motor and extending from the motor to the bottom of the plunger operating portion to be connected to the operating plunger, wherein the vertical movement of the operating plunger is driven by a rotational force transmitted through the motor shaft as the motor operates. The controller can maintain the coolant at a preset temperature for optimal operation of the fuel cell stack. | 06-04-2009 |
| 20090148737 | Heat Exchanging Element and Fuel Cell Systems using the same - A heat exchanging element adapted to a fuel cell system includes a plurality of heat exchanging units and a fixing unit. The heat exchanging units are arranged to be spaced apart from one another along a first direction. The fixing unit fixes the heat exchanging units. Each of the heat exchanging units is demarcated into a first part and a second part extending from the first part by the fixing unit. A thermal conductivity coefficient of each of the heat exchanging units is higher than that of the fixing unit. The fixing unit is configured to slow heat conduction between the heat exchanging units. The heat exchanging element improves a heat recovery efficiency of the fuel cell system. In addition, two kinds of fuel cell systems using the above-mentioned heat exchanging element are provided. | 06-11-2009 |
| 20090162712 | FUEL CELL - According to an aspect of the present invention, there is provided a fuel cell including: a membrane electrode assembly including: an electrolyte membrane; anode and cathode catalyst layers respectively disposed on the electrolyte membrane; and anode and cathode gas diffusion layers respectively disposed on the anode and cathode catalyst layers; a cathode porous body including a front face portion and a rear face portion and being disposed on the cathode gas diffusion layer at the front face portion, the front face portion having an electric conductivity higher than that of air and having a hydrophilicity higher than that of the rear face portion; an anode passage plate disposed on the anode gas diffusion layer; and an air supply apparatus that supplies air toward an end of the cathode porous body. | 06-25-2009 |
| 20090169938 | FUEL CELL APPARATUS - A fuel cell is comprised of an electrode structure including a cathode, an anode and an electrolyte put between the cathode and the anode; a fuel gas passage configured to conduct fuel to the anode; an air passage configured to conduct air to the cathode; a separator configured to supply the fuel to the fuel gas passage; and a water channel configured to allow flow of water and permit the water to pass into the separator, the water channel including a hollow structure having an inner surface and polymers respectively having polymer chains, one end of the polymer chains being connected to the inner surface and capable of forming an entanglement bindable to water molecules. | 07-02-2009 |
| 20090176138 | FUEL-CELL POWER-GENERATION SYSTEM AND METHOD - A condenser condenses an unused exhaust gas exhausted from a fuel cell and recovers water, condensation-capacity detection means always monitors the condensation capacity of the condenser, control means controls an output of heat-transport-medium circulation means, stores the exhaust heat of the fuel cell in heat-using means when a sufficient condensation capacity is left, and stops the heat-transport-medium circulation means to complete exhaust-heat recovery when the condensation capacity lowers. Moreover, a fuel cell, a cooling pipe through which a first heating medium of carrying the heat of the fuel cell circulates, a cooling-water pump of circulating the first heating medium, and a fuel-cell-temperature detector of detecting the temperature of the fuel cell are used to operate a cooling-water pump until the temperature detected by the fuel-cell-temperature detector becomes a predetermine threshold value or less even after supply of a fuel and an oxidant to the fuel cell is stopped. | 07-09-2009 |
| 20090181271 | Fuel cell system - A fuel cell system of the present invention includes a fuel cell ( | 07-16-2009 |
| 20090191438 | FUEL CELL SYSTEM - Provided is a fuel cell system, which can inform the user of the input of a control command for low-temperature countermeasures, if necessary, at a proper timing. A control unit decides whether or not an ambient temperature To of a remote-part temperature is lower than 0° C. for the time period from a start request to a stop request of the system. The control unit informs, when it decides that either temperature is lower than 0° C., the user of a message for urging the input of the control command for the low-temperature countermeasures. | 07-30-2009 |
| 20090208795 | THREE-WAY DIVERTER ASSEMBLY FOR A FUEL CELL SYSTEM - A three-way diverter assembly with a contoured valve is provided. The three-way diverter assembly includes a housing having a first inlet, a second inlet, a first outlet, and a second outlet. The first inlet and the second inlet are adapted to receive a fluid. The contoured valve is disposed in the housing adjacent the first inlet. The contoured valve is rotatable about an axis from a first positional limit to a second positional limit, and to a plurality of positions therebetween. Fuel cell systems having the three-way diverter assembly for regulating temperature and humidity of a fuel cell stack are also provided. | 08-20-2009 |
| 20090214913 | Temperature regulating system for fuel cells and method for regulating the temperature of fuel cells - The present invention relates to a temperature regulating system for fuel cells ( | 08-27-2009 |
| 20090246581 | FUEL CELL SYSTEM AND COOLING AIR SUPPLYING METHOD OF FUEL CELL - In a method of cooling a fuel cell, a fuel cell is provided with a housing in which first and second flow paths are defined to flow first and second airflows on first and second surfaces of the fuel cell, and the first flow path is communicated with the second flow path through air flow paths formed in a cathode electrode of the cell. An adjustable pressure difference is produced between the first and second airflows in the first and second flow paths to produce airflows in the air flow paths. Thus, the airflows in the air flow paths are adjusted in accordance with the pressure difference. | 10-01-2009 |
| 20090246582 | AIR FEED SYSTEM FOR FUEL CELL CABINETS - An air feed system for a fuel cell cabinet is provided. The air feed system supplies temperature controlled air to a fuel cell. The air feed system includes a controller that controls the air feed system for maintaining a predetermined temperature range of the temperature controlled air entering the fuel cell. | 10-01-2009 |
| 20090258270 | Fuel Cell System and Mobile Article - There is disclosed a fuel cell system including a fuel cell for generating electric power by a reaction of a fuel gas an oxidation gas, and a power storage device, and being configured to perform a scavenging operation when an operation of the fuel cell is stopped for discharging a moisture from the fuel cell by supplying a gas into the fuel cell by using the power supplied from the power storage device. The fuel cell system further includes control means for setting an operating condition of the fuel cell so that a moisture content of the fuel cell when it is in operation is less than a target moisture content set in accordance with a state of the power storage device. | 10-15-2009 |
| 20090269636 | FUEL CELL CABINET LIQUID COOLING SYSTEM - A fuel cell cabinet liquid cooling system is provided. The fuel cell cabinet liquid cooling system includes a fuel cell, a liquid cooling system for dissipating heat generated by the fuel cell, and a controller that controls the liquid cooling system for maintaining a predetermined temperature range of a first cooling liquid of the fuel cell. | 10-29-2009 |
| 20090274940 | FUEL CELL AND FUEL CELL SYSTEM - A fuel cell ( | 11-05-2009 |
| 20090280373 | SYSTEM AND METHOD FOR CONTROLLING AN ANODE SIDE RECIRCULATION PUMP IN A FUEL CELL SYSTEM - A system and method for controlling the speed of a recirculation pump in an anode recirculation loop of a fuel cell system based on a predetermined ratio of fresh hydrogen to recirculated anode gas. The system uses a model to determine the volume flow of the recirculated gas through a fuel cell stack to determine the recirculation rate based on a measured temperature of the recirculated gas, a measured pressure drop across a recirculation pump, a pressure drop across the anode inlet and outlet of the stack, a percentage of hydrogen in the recirculated gas, and the density of the recirculated gas. | 11-12-2009 |
| 20090291342 | FUEL CELL SYSTEM - A fuel cell system includes a fuel cell ( | 11-26-2009 |
| 20090317676 | THREE-WAY DIVERTER ASSEMBLY FOR A FUEL CELL SYSTEM - A three-way diverter assembly with a movable member is provided. The three-way diverter assembly includes a housing having a first inlet, a second inlet, a first outlet, and a second outlet. The first inlet and the second inlet are adapted to receive a fluid. The movable member, disposed in the housing adjacent the first inlet, is rotatable about an axis from a first positional limit to a second positional limit, and selectively positional therebetween. Fuel cell systems having the three-way diverter assembly for regulating temperature and humidity of a fuel cell stack are also provided. | 12-24-2009 |
| 20090317677 | DEVICE AND METHOD FOR ENHANCED AIR CIRCULATION - A wireless communication device ( | 12-24-2009 |
| 20090317678 | FUEL CELL SYSTEM - A fuel cell system is provided with an air compressor for supplying a fuel cell stack with air; a temperature sensor for detecting the temperature of air in the gas downstream from an intercooler, at the middle of an oxidation gas supplying channel; and a control section. The control section is provided with a cooling section abnormality determining unit for determining presence or absence of an abnormality of a first cooling water pump, and an air compressor operation controlling unit for controlling the rotational speed of the air compressor in accordance with the air temperature detected by the temperature sensor when it is determined that an abnormality has occurred. | 12-24-2009 |
| 20090325015 | FUEL CELL SYSTEM - A fuel cell system comprises a fuel gas supply conduit which supplies fuel gas to a fuel cell, a circulation conduit which returns discharged fuel gas discharged from the fuel cell to the fuel gas supply conduit, and a control device. When the control device determines that freezing may occur, the control device releases the discharged fuel gas from a water discharge valve of a gas-liquid separator provided in the circulation conduit to the outside, and reduces the flow volume of the discharged fuel gas returned to the fuel gas supply conduit in order to reduce moisture contained in the gas. Consequently, freezing can be prevented using a simple structure. | 12-31-2009 |
| 20100003563 | Fuel cell system - A fuel cell system is provided including heating means for heating up heat medium that exchanges heat with a fuel cell, and in which the fuel cell is warmed up by the heat medium heated by the heating means. The system includes: flow rate detecting means for detecting a flow rate of the heat medium flowing through the heating means; and heat controlling means for controlling the heating means based on the flow rate of the heat medium detected by the flow rate detecting means. With this arrangement, it is possible to prevent overheating of the heat medium in the fuel cell system in which the heat medium is heated to warm up the fuel cell. | 01-07-2010 |
| 20100015483 | Reaction gas temperature and humidity regulating module for fuel cell stack - A device for regulating temperature and humidity of a reaction gas to be supplied to a fuel cell stack includes a temperature regulation section provided with a first gas guide board through which the reaction gas flows, a coolant guide board through which a coolant from the fuel cell stack flows and a first partition interposed between the first gas guide board and the coolant guide board for exchange of heat between the reaction gas and the coolant and a humidity regulation section coupled to the temperature regulation section with a second partition therebetween and comprised of a second gas guide board through which the temperature-regulated gas flows and a fluid guide board through which a fluid from the fuel cell stack and rich of water contents flows and a humidity exchange film interposed between the second gas guide board and fluid guide board to allow for exchange of water contents between the temperature-regulated gas and the fluid. | 01-21-2010 |
| 20100028740 | FUEL CELL SYSTEM - A first rectangular pipe is connected along a path of an oxidation gas supply pipe that supplies an oxidation gas from a pump to an oxidant pole of a fuel cell. A second rectangular pipe is connected to an oxidation off-gas pipe connected to an outlet of the oxidant pole. A lower surface of the first rectangular pipe is contacted with an upper surface of the second rectangular pipe. A connecting path is provided to the contact surface, and a vapor permeable membrane is disposed at the connecting path. An upper surface of a third rectangular pipe is provided in surface contact with a lower surface of the second rectangular pipe, the third rectangular pipe being provided to a coolant out-pipe connected to a cooling jacket of the fuel cell. Generated water in the second pipe is heated and evaporated by a coolant heated in the third rectangular pipe. The water vapor then permeates the vapor permeable membrane, and is directed inside the first rectangular pipe so as to humidify the oxidation gas. | 02-04-2010 |
| 20100035107 | FUEL CELL SYSTEM - A fuel cell system of the invention includes, a fuel cell, a water reservoir configured to accumulate water discharged from the fuel cells, and a status estimator configured to estimate a status of the water reservoir based on a stated of the fuel cell. | 02-11-2010 |
| 20100047645 | COGENERATION SYSTEM - A cogeneration system ( | 02-25-2010 |
| 20100068578 | FUEL CELL SYSTEM - A fuel cell system having a cooling water pump provided in cooling water piping that sends cooling water to a fuel cell and sending the cooling water under pressure, fuel gas supply piping connected to the fuel cell and supplying fuel gas to the fuel cell, fuel gas circulation piping connected to both the fuel cell and the fuel gas supply piping and circulating fuel gas, discharged from the fuel cell, in the fuel gas supply piping, and a fuel gas pump provided in the fuel gas circulation piping and sending under pressure the fuel gas, discharged from the fuel cell, to the fuel gas supply piping. After operation of the fuel cell is stopped, the fuel gas, discharged from the fuel cell, is sent under pressure by the fuel gas pump, and cooling water is send under pressure by the cooling water pump to cool the fuel cell to thereby reduce the temperature of the fuel cell to a level lower than the temperature of the fuel gas pump. | 03-18-2010 |
| 20100081024 | FUEL CELL SYSTEM - A fuel cell system including a secondary cell, a fuel cell power generation unit to carry out a power generation by an electrochemical reaction between a fuel and a water, a supply unit to supply the fuel and the water to the fuel cell power generation unit, a charging circuit to charge an electric energy generated in the fuel cell power generation unit to the secondary cell, an environmental level detection unit to detect an environmental level and a fuel cell control unit to control the supply unit based on the environmental level detected by the environmental level detection unit. | 04-01-2010 |
| 20100092820 | FUEL CELL SYSTEM - A fuel cell system capable of accurately controlling aqueous methanol solution and moisture discharged from the fuel cell, and which can be built small in size. The fuel cell system includes a radiator unit including a radiator pipe for a flow of aqueous methanol solution discharged from an anode outlet of a cell stack which includes fuel cells, and a radiator pipe for a flow of moisture discharged from a cathode outlet of the cell stack. Further, the radiator unit has an inflow passage for air to flow in, a first cooling passage branching from the inflow passage to supply the air to an outer circumference of the radiator pipe, and a second cooling passage arranged to supply the air to an outer circumference of the radiator pipe. A plate member is provided in the radiator unit to adjust a passage resistance of the first cooling passage and that of the second cooling passage. | 04-15-2010 |
| 20100098979 | FUEL CELL SYSTEM AND MOVING BODY USING THE FUEL CELL SYSTEM - A fuel cell system includes a coolant pump for pumping a coolant, the coolant pump being provided in a coolant pipe that conveys the coolant to a fuel cell; a coolant heating device for heating the coolant when the fuel cell has stopped operation, the coolant heating device being provided in the coolant pipe; and a secondary battery for supplying power to the coolant pump and the coolant heating device, the secondary battery being connected to the coolant pump and the coolant heating device, wherein when the fuel cell has stopped operation, the heated coolant is conveyed to the fuel cell to dry the fuel cell. The fuel cell system further includes an external power source plug for supplying power from an external power source to the coolant pump and the coolant heating device, the external power source plug being connected to the coolant pump and the coolant heating device. | 04-22-2010 |
| 20100104908 | FUEL CELL SYSTEM AND OPERATING METHOD THEREOF - In order to provide a fuel cell system (which ensures high proton conductivity and high energy conversion efficiency and, in addition, copes with an operating mode of the startup/shutdown type and which has excellent durability capable of effectively preventing a polymer electrolyte membrane from deterioration) and an operating method of such a fuel cell system, a fuel cell system ( | 04-29-2010 |
| 20100119901 | FUEL CELL SYSTEM AND MOBILE BODY - An object of the present invention is to provide a fuel cell system and a mobile body capable of restraining freeze in an air cleaner. The fuel cell system includes an air cleaner for cleaning the air to be supplied to a fuel cell and a heater for heating the air cleaner. The air cleaner can be alternatively heated by supplying a refrigerant in a refrigerant piping system to the air cleaner instead of using the heater. | 05-13-2010 |
| 20100124681 | FUEL CELL SYSTEM COMPRISING FUEL CELL STACK, AND METHOD FOR PRODUCING FUEL CELL STACK - The fuel cell system of the present invention includes: (A) a fuel cell stack including at least one unit fuel cell including a cathode, an anode, and a polymer electrolyte membrane interposed therebetween; (B) a detecting device for detecting lack of humidification in the fuel cell stack; (C) a water supplying device for supplying moisture to the fuel cell stack when lack of humidification is detected by the detecting device; (D) a heating device for heating the supplied moisture; and (E) a cooling device for cooling the supplied moisture. In the fuel cell system of the present invention, the fuel cell stack is humidified by repeating heating and cooling of the supplied moisture by the heating device and the cooling device, respectively. | 05-20-2010 |
| 20100167096 | System for managing heat transfer in an electronic device to enhance operation of a fuel cell device - A heat management system for a portable electronic device is disclosed. The system comprises a component that generates heat during operation of the component, a fuel cell device configured to provide electrical power to the component to operate the component, and a heat transfer apparatus configured to transfer heat from the component to the fuel cell device when the component operates. In another aspect, a portable information handling device is disclosed that includes a housing defining an interior, a component positioned in the housing that generates heat during operation of the component, a fuel cell device positioned in the housing and configured to provide electrical power to the component to operate the component, and a heat transfer apparatus positioned in or on the housing and configured to transfer heat from the component to the fuel cell device when the component operates. | 07-01-2010 |
| 20100167097 | HEAT RECOVERY METHOD AND APPARATUS IN FUEL CELL SYSTEM, AND FUEL CELL SYSTEM INCLUDING THE APPARATUS - A fuel cell heat recovery system and method, the heat recovery method including: closing a proportionate valve to control water flow to a second heat exchanger that recovers heat from an electric heater that uses surplus power of the fuel cell system, if the fuel cell system is completely activated; opening an electronic valve to control water flow to a first heat exchanger that recovers heat from cooling water discharged from a stack of the fuel cell system; and supplying a predetermined amount of water to the first heat exchanger. | 07-01-2010 |
| 20100167098 | FUEL CELL SYSTEM AND TRANSPORTATION EQUIPMENT INCLUDING THE SAME - A fuel cell system prevents leakage of aqueous fuel solution to the cathode while reducing catalyst deterioration in the fuel cell. The fuel cell system includes a fuel cell including an anode and a cathode. An aqueous solution pump supplies the anode with aqueous methanol solution whereas an air pump supplies the cathode with air. Where there is an abnormality in the fuel cell, a CPU stops operation of the aqueous solution pump, and thereafter stops operation of the air pump when a temperature of the fuel cell detected by a cell stack temperature sensor is not higher than a predetermined value. When starting the fuel cell system with an abnormality existing in the fuel cell, the CPU drives the air pump and thereafter drives the aqueous solution pump. | 07-01-2010 |
