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| Application No. | Application Title | Issue Date |
| 20100151286 | METHOD OF STABILIZING A STACK AFTER COMPLETING STARTUP, WITHOUT EXTENDING THE STARTUP TIME A fuel cell system that controls the speed of the compressor providing cathode air to a fuel cell stack just after a system start-up procedure has ended so as to reduce the chance that the compressor current draw will cause a stack quick stop. The method includes recogn... | 06/17/2010 |
| 20100151287 | ADAPTIVE ANODE BLEED STRATEGY A system for providing an adaptive anode bleed strategy for bleeding nitrogen from the anode side of a fuel cell stack. The system includes a hydrogen concentration sensor provided in an exhaust line from the fuel cell stack that provides a hydrogen concentration readin... | 06/17/2010 |
| 20100151294 | CATHODE FILTER REPLACEMENT ALGORITHM IN A FUEL CELL SYSTEM A fuel cell system that includes a compressor for providing cathode air to the cathode side of a fuel cell stack and an air filter for filtering the air sent to the compressor to prevent particulates and other contaminants from entering the compressor and the fuel cell ... | 06/17/2010 |
| 20100124682 | FUEL CELL SYSTEM Fuel cell system includes: a fuel cell for outputting, via a pair of terminals, electric energy produced through reaction between oxygen contained in air supplied to an air electrode and hydrogen contained in fuel gas supplied to a fuel electrode; a subsidiary power sup... | 05/20/2010 |
| 20100124678 | FUEL CELL FEED SYSTEMS Fuel feed systems capable of providing substantially consistent flow of fuel to a fuel cell and also capable of tolerating varying pressures from a reservoir (also referred to as fuel supply or fuel cell cartridge) and the fuel cell while maintaining substantially consi... | 05/20/2010 |
| 20100112387 | FUEL CELL MOTOR VEHICLE AND CONTROL METHOD THEREFOR In a motor vehicle equipped with a fuel cell (10), inflow of liquid from outside into the fuel cell (10) is restrained. When it is estimated that there is a risk of liquid flowing into the fuel cell (10) from the gas discharge opening (16) vi... | 05/06/2010 |
| 20100112383 | DIAGNOSTIC TO DETERMINE A VALVE/LINE FREEZE-UP OR FAILURE IN A FUEL CELL BLEED MANIFOLD UNIT A system and method for determining whether valves in a fuel cell system bleed manifold unit (BMU) are blocked with ice or have otherwise failed. The system opens a first bleed valve, closes a second bleed valve and opens an exhaust valve, and then reads a pressure sign... | 05/06/2010 |
| 20100104909 | FUEL CELL SYSTEM A fuel cell system has shutoff valves installed between an air flow channel in a fuel cell and the atmosphere. The shutoff valves have valve seats and also have valve discs for sealing in air by coming into contact with the valve seats. The valve discs are adapted to be... | 04/29/2010 |
| 20100104907 | ELECTRONIC DEVICE In an electronic device, state detection elements are arranged at various locations of a fuel cell system supplies an electric power to a phone unit, the state detection elements detect states of the fuel cell system at the locations. A cell state detection unit detects... | 04/29/2010 |
| 20100098981 | FUEL CELL SYSTEM HAVING FUEL CIRCULATION STRUCTURE, METHOD OF OPERATING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE FUEL CELL SYSTEM In a fuel cell system including a fuel cartridge and a fuel supply module, the fuel cartridge includes at least two ports, wherein a first port from among the at least two ports is a fuel inlet port and a second port from among the at least two ports is a fuel outlet po... | 04/22/2010 |
| 20100098980 | FUEL CELL SYSTEM Disclosed is a fuel cell system including a fuel cell, a fuel supply passage through which a fuel gas supplied from a fuel supply source flows to the fuel cell, an on/off valve which regulates the state of the gas on the upstream side of the fuel supply passage to suppl... | 04/22/2010 |
| 20100092821 | VALVE FOR FUEL CELL, AND FUEL CELL VEHICLE A valve-closing pressure chamber and a valve-opening pressure chamber are arranged on both sides of a main diaphragm inside an outlet shutoff valve. An upper supply/discharge tube and a lower supply/discharge tube are connected to a housing forming the outlet shutoff va... | 04/15/2010 |
| 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 ... | 04/01/2010 |
| 20100068580 | FUEL CELL SYSTEM Fluid control valves, such as a humidifying module bypass valve, an inlet shutoff valve, an outlet shutoff valve are opened and closed by the pressure of air flowing in a fluid flow path. The pressure of air flowing in the fluid flow path is regulated, based on a drive ... | 03/18/2010 |
| 20100068579 | Systems and methods for fuel cell gas circulation A fuel cell system has a gas delivery-means that circulates the anode exhaust gas back to the anode compartment of the fuel cell for further reaction.... | 03/18/2010 |
| 20100068565 | VARIABLE FUEL PRESSURE CONTROL FOR A FUEL CELL A fuel cell includes a cathode having an air flow field. An anode includes an inlet and an outlet for providing unused fuel to a fuel recycling line. A pressure regulator is arranged upstream from an ejector and communicates with the air flow field for adjusting a fuel ... | 03/18/2010 |
| 20100055523 | FUEL CELL SYSTEM A fuel cell system draining water in a air-and-water separator includes: a fuel cell stack; a hydrogen-circulating line; an air-and-water separator; a drain unit including a drain valve for draining the water stored in the air-and-water separator; a drain-control unit f... | 03/04/2010 |
| 20100047646 | Fuel cell system and fuel cell vehicle A fuel cell system capable of suppressing noise caused by backflow of air when a compressor stops. Also, there is provided a fuel cell vehicle provided with this fuel cell system. A fuel cell system includes a fuel cell and a compressor that compresses air taken in from... | 02/25/2010 |
| 20100047629 | PEM FUEL CELL SYSTEM WITH A POROUS HYDROPHOBIC GAS VENTING MEMBER WITH GAS FLOW BLOCKAGE PREVENTION A polymer electrolyte membrane (PEM) fuel cell power plant is cooled evaporatively with a water coolant system which does not permit liquid water to exit or flow through the coolant system. The coolant system utilizes a hydrophobic porous member (28) for venting ... | 02/25/2010 |
| 20100043892 | VALVE FOR FUEL CELL BASED POWER GENERATOR A device has an annulus having a first end and a second end. A valve plate is coupled to the first end of the annulus by a fastener, wherein the valve plate is adapted to contact a valve seat on a hydrogen producing fuel cover. A diaphragm is coupled to the second end o... | 02/25/2010 |
| 20100040922 | FUEL CELL SYSTEM A fuel cell system having a fuel cell, a reactant gas pipe for supplying a reactant gas to the fuel cell, and an injector for driving a valve body at a predetermined drive cycle by an electromagnetic driving force to separate the valve body from a valve seat, regulating... | 02/18/2010 |
| 20100021782 | FUEL CELL SYSTEM To provide a fuel cell system that achieves both prevention of degradation of the performance of a fuel cell due to accumulation of an impurity in an anode gas flow channel and reduction of the amount of discharged fuel gas to the outside of the system. 01/28/2010 | |
| 20100021783 | FUEL CELL SYSTEM A fuel cell system has an inlet shutoff valve provided in a main route forming an oxidized gas supply flow path, a humidifier bypass valve provided in a humidifier bypass route which is a route bypassing the main route, a fuel cell bypass valve provided in a fuel cell b... | 01/28/2010 |
| 20100015484 | FUEL CELL SYSTEM A fuel cell system comprises a fuel cell, a supply flow passage for flowing a fuel gas supplied from a fuel supply source to the fuel cell, a variable gas supply device for regulating the state of the gas on the upstream side of the supply flow passage to supply the gas... | 01/21/2010 |
| 20100015478 | METHOD AND APPARATUS FOR MEASURING METHANOL VAPOR CONCENTRATION, METHOD OF CONTROLLING METHANOL VAPOR CONCENTRATION IN A FUEL CELL, AND FUEL CELL USING THE SAME A method of measuring methanol vapor concentration on a real-time basis and a methanol vapor concentration measuring apparatus used in fuel cells. The method of measuring methanol vapor concentration involves using an absorption spectrometry technique, that is, after me... | 01/21/2010 |
| 20100003549 | FUEL CELL, FUEL CELL SYSTEM, AND CONTROL METHOD OF FUEL CELL SYSTEM A fuel cell stack includes: a first cell having a first fuel gas flow path; and a second cell having a second fuel gas flow path constructed to have a specific flow path structure having a higher potential for a decrease in concentration of a fuel gas than that of the f... | 01/07/2010 |
| 20090325007 | CONTROL OF PARALLELED FUEL CELL ASSEMBLIES Fuel cell stack assemblies (15, 16) connected in parallel through related power control portions (39, 40; 60, 61) of a system power converter (41) supply power to a common grid (22) or non-grid load (58) on an equal or near-equal curre... | 12/31/2009 |
| 20090317667 | DIFFERENTIAL PRESSURE CONTROL METHOD FOR MOLTEN CARBONATE FUEL CELL POWER PLANTS A molten carbonate fuel cell System in which the fuel cell stack(s) is (are) enclosed within a containment vessel and in which a burner exhaust is used to control the system operating pressure is described. Moreover, highly reliable, simple and low-cost differential pre... | 12/24/2009 |
| 20090269628 | FUEL CELL SYSTEM, ESTIMATION DEVICE OF AMOUNT OF ANODE GAS TO BE GENERATED AND ESTIMATION METHOD OF AMOUNT OF ANODE GAS TO BE GENERATED There is disclosed a fuel cell system or the like capable of sufficiently reducing an exhaust hydrogen concentration even in a case where a fuel cell is operated in a state of a low power generation efficiency. A bypass valve is arranged between an oxidation gas supply ... | 10/29/2009 |
| 20090269637 | FUEL CELL MODULE DESIGN FOR ROBUST PRESSURE MEASUREMENTS IN FREEZING CONDITIONS A fuel cell system is disclosed including a fuel cell stack and pressure sensors, wherein bypass conduits having flow restriction devices disposed therein are provided for bypassing fluids around the fuel cell stack to militate against the accumulation of moisture in co... | 10/29/2009 |
| 20090258258 | DEVICE AND METHOD FOR OPERATION OF A FUEL CELL A pressure equalizing system (16) having two variable volume elements which interact with one another via a separating medium which can be deformed or can be moved as a function of the pressure difference, with a constant total volume, is positioned upstream of a... | 10/15/2009 |
| 20090239105 | Fuel Battery System, Method for Detecting Gas Leakage in Such System, and Mobile Object The accuracy of detecting gas leakage in a fuel battery system is improved. A fuel battery system includes a fuel battery to which a reactive gas is supplied to generate power, and a gas passage (a fuel gas supply path and a fuel gas circulation path) connected to this ... | 09/24/2009 |
| 20090233133 | Hydrogen discharge system for fuel cell system The present invention provides a hydrogen discharge system for a fuel cell system, which can ensure safety of a fuel cell vehicle by optimizing the dilution of hydrogen discharged from a fuel cell during discharge and ensure silence of the vehicle by reducing noise gene... | 09/17/2009 |
| 20090233132 | Fuel Cell System and Mobile Article A fuel cell system (1) is provided with a fuel cell (10); a fuel supply system (3) for supplying the fuel cell (10) with a fuel gas; an injector (35) for adjusting a pressure on the upstream side of the fuel supply system (3) an... | 09/17/2009 |
| 20090226783 | Fuel Cell System The amount of moisture discharged from within a fuel cell is increased by a simple construction. The fuel cell system includes a fuel cell for generating electrical power after causing an anode to receive a hydrogen-containing anode gas and causing a cathode to receive ... | 09/10/2009 |
| 20090220827 | Monitoring fuel cells using rfid devices Radio frequency identification (RFID) devices may be used to monitor various operating parameters in fuel cells. For example, RFID devices may be used to monitor the voltage of individual cells in a fuel cell stack and thus to check for voltage reversal conditions durin... | 09/03/2009 |
| 20090186245 | RACKED POWER SUPPLY VENTILATION A ventilation system for a fuel cell power module is provided. The ventilation system includes a ventilation enclosure for evacuating fluids from the fuel cell power module, the ventilation enclosure having an air inlet for providing ingress of air to the enclosure. The... | 07/23/2009 |
| 20090169927 | FUEL CELL SYSTEM A fuel cell system has a plurality of fuel cells stacked in one or more groups of fuel cells. Each fuel cell includes a fuel electrode supplied with fuel gas at a fuel gas supply pressure, an oxidizing electrode supplied with oxidizing gas at an oxidizing gas supply pre... | 07/02/2009 |
| 20090169926 | METHOD FOR STOPPING POWER GENERATION OF FUEL CELL SYSTEM AND FUEL CELL SYSTEM INCLUDING POWER GENERATION STOPPING UNIT There is provided a method for stopping power generation of fuel cell system including: a fuel cell having a fuel electrode and an oxidizer electrode; a fuel container; and a fuel flow path for supplying a fuel from the fuel container to the fuel cell, which enables sup... | 07/02/2009 |
| 20090117420 | METHOD FOR JUDGING SYSTEM CONDITION IN FUEL CELL SYSTEM A method for rapidly judging abnormalities, such as a decrease in a residual fuel amount and valve leakage, using only one pressure detecting device, includes a step of detecting a pressure change per unit time by the pressure detecting device after switching the fuel c... | 05/07/2009 |
