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| Number | Title | Issue Date |
| 7164976 | Control apparatus for fuel cell vehicle A control apparatus 20 is provided in order to improve the energy efficiency of a vehicle during regeneration by a propulsion motor. At the time of regenerative operation of a propulsion motor 15, calculates the regenerative electric power which can be... | 01/16/2007 |
| 7160342 | Fuel reformer system A method of main reformer startup is disclosed. The method comprises introducing a first supply of fuel and a first supply of air into a micro-reformer. The first supply of fuel is increased to produce a heated reformate in the micro-reformer. The heated reformate i... | 01/09/2007 |
| 7160468 | Cooling system for fuel cell and prevention method for degradation of coolant therefor A cooling system for a fuel cell system is provided with a circulation system including a circulation pump for circulating coolant, the coolant essentially consisting of water and glycol, a fuel cell connected to the circulation system so as to be cooled by the cool... | 01/09/2007 |
| 7160638 | Fuel cell system and method for generating electrical energy using a fuel cell system A fuel-cell system, particularly a fuel-cell system for a drive system of a motor vehicle, includes an autothermic reformer unit configured to generate hydrogen from a raw material. The hydrogen is used to operate a fuel-cell unit disposed downstream of the reformer... | 01/09/2007 |
| 7160640 | Fuel cell stack with passive end cell heater A fuel cell system comprising a passive end cell heater for heating an end cell or cells within a fuel cell stack is disclosed. The fuel cell system comprises a fuel cell stack and a resistive heatable element connected in parallel to the fuel cell stack, wherein th... | 01/09/2007 |
| 7155916 | Supply unit cooling A feed gas supply unit for a fuel cell system uses a feed gas supply and/or cooling fluid passages to cool the control unit, bearings, and motor of the feed gas supply device. ... | 01/02/2007 |
| 7157164 | Fuel cell system and control method of the same A fuel cell system in which fuel gas and oxidizing gas are supplied to a fuel cell stack and power generation is performed by electrochemical reaction between the fuel gas and the oxidizing gas, and a control method thereof are provided. This fuel cell system includ... | 01/02/2007 |
| 7157167 | Thermocatalytic process for CO-free production of hydrogen and carbon from hydrocarbons A novel process and apparatus are disclosed for sustainable CO2-free production of hydrogen and carbon by thermocatalytic decomposition (dissociation, pyrolysis, cracking) of hydrocarbon fuels over carbon-based catalysts in the absence of air and/or water... | 01/02/2007 |
| 7157169 | Fuel cell A fuel cell of the present invention includes a fuel cell stack (1) for being formed by stacking a plurality of cell plates (2) having a flat shape, the cell plates (2) being configured by arranging a plurality of cells, the cell having an elect... | 01/02/2007 |
| 7157170 | Electric power generating apparatus and related method An electric power generating apparatus is provided with a fuel gas supply, an air supply source, an external reformer having a reformer section supplied with the fuel gas, a fuel cell stack, a heat exchanger section disposed to the external reformer, and an exhaust ... | 01/02/2007 |
| 7157174 | Fuel cell system with improved startability A fuel cell system is provided which includes a fluid pump such as an ejector pump. The fluid pump is designed to be driven by energy of air flowing within an air line through which air is supplied to a fuel cell. The fluid pump works to suck a fluid containing drop... | 01/02/2007 |
| 7153598 | Methods of operating fuel cells having closed reactant supply systems A fuel cell system is operated with the fuel supply pressure greater than the oxidant supply pressure to the fuel cell. This gives improved performance particularly when the fuel cell system is closed on the fuel side. The magnitude of fuel overpressure may be varie... | 12/26/2006 |
| 7153599 | Cooled turbine integrated fuel cell hybrid power plant A hybrid power plant includes a turbine, a compressor driven by the turbine and a recuperator in flow communication with the compressor. The recuperator is configured to transfer heat from turbine exhaust to compressed air, and at least one fuel cell is in flow comm... | 12/26/2006 |
| 7153603 | Process for decreasing the resistivity of conductive flow field plates for use in fuel cells The present invention provides a process for decreasing the resistivity of a non-machined conductive flow field plate for use in a fuel cell. The process includes the step of annealing the conductive flow field plate by heating the conductive flow field plate to a t... | 12/26/2006 |
| 7153409 | Electrochemical cell system and method of operation In one embodiment, the electrochemical system comprises an electrochemical cell and hydrogen storage in fluid communication with the hydrogen electrode, the hydrogen storage comprising at least one of carbon nanotubes and carbon nanofibers. In one embodiment, the me... | 12/26/2006 |
| 7152408 | Vehicle with a combustion engine and a fuel cell device A vehicle having a combustion engine, a fuel cell device having a fuel cell unit, a compressed air storage for supply of a compressed air, a supply conduit provided between the fuel cell unit of the fuel cell device and the compressed air storage, for supplying the ... | 12/26/2006 |
| 7153334 | Fuel reforming system and method of operation Carbonaceous material is removed from a catalyst within an autothermal reformer by introducing an isolated oxidant stream into the autothermal reformer prior to introduction of hydrocarbon fuel into the reformer. A hydrocarbon stream is introduced into the autotherm... | 12/26/2006 |
| 7150865 | Method for selective enrichment of carbon nanotubes A method for treating carbon nanotubes with microwave energy to selective remove metallic-type carbon nanotubes is provided. A sample containing carbon nanotubes is positioned in a microwave cavity at a location corresponding to a maximum in the electric field compo... | 12/19/2006 |
| 7150932 | Production of tubular fuel cells, fuel cell modules, base elements and ion exchanger membranes The present invention relates to a composite system comprising an electrode and a membrane, which can be used as a fuel cell element or an ion-exchange membrane. ... | 12/19/2006 |
| 7147072 | Method and apparatus for providing hybrid power in vehicle A hybrid powertrain system includes a combustion engine, a battery buffer for storing electric energy by converting it onto chemical energy, which can be converted back into electrical energy when need, a fuel cell unit having multiple fuel cells each of which is an... | 12/12/2006 |
| 7147761 | Electrochemical sensor An electrode for use in an electrochemical sensor includes a catalyst dispersed within an electrolyte. Preferably, the catalyst is immobilized within a matrix of the electrolyte. In one embodiment, the electrode of the present invention includes at least one catalys... | 12/12/2006 |
| 7147690 | Method for replenishing hydrogen to compressed hydrogen tank and hydrogen replenishing device A hydrogen replenishing device is provided with a plurality of hydrogen storage devices which are provided with hydrogen absorbing alloys of which storage pressure are different, a reformer which supplies a hydrogen to the hydrogen storage device which is provided t... | 12/12/2006 |
| 7147071 | Thermal management systems and methods A thermal management system for a vehicle includes a heat exchanger having a thermal energy storage material provided therein, a first coolant loop thermally coupled to an electrochemical storage device located within the first coolant loop and to the heat exchanger... | 12/12/2006 |
| 7147951 | Cogeneration device A cogeneration apparatus including a polymer electrolyte fuel cell that generates electric power using a fuel gas and oxidizing gas; an internal circulation circuit that circulates an internal heat transport medium into the fuel cell; internal circulating means of c... | 12/12/2006 |
| 7147946 | Fuel cell system A fuel cell system is provided which performs simple control of the time until warm-up of the reformer (1) is completed. This fuel cell system comprises a reformer (1) which generates a reformate gas, and a fuel cell (2) which generates power fr... | 12/12/2006 |
| 7147954 | Fuel cell and method of assembling the same A pressure loss in an oxidative gas passage of each of single cells is obtained This pressure loss is compared with predetermined ranks so as to carry out classification according to the ranks. The pressure loss in the oxidative gas passage has a predetermined permi... | 12/12/2006 |
| 7147948 | Method and apparatus for enhancing catalytic activity A fuel cell has at least one electrode operatively disposed in the fuel cell, the electrode(s) having a catalytically active surface. A mechanism is provided for substantially maintaining catalysis over the active surface of the electrode(s). ... | 12/12/2006 |
| 7147945 | System for determining a gas composition within a shut down fuel cell power plant and method of operation The invention is a system (10) and method for determining a gas composition within a fuel cell (12) of a shut down fuel cell power plant. The system (10) includes at least one fuel cell (12), a sensor circuit (86) secured in electr... | 12/12/2006 |
| 7147953 | Dual fuel cell stacks connected in series electrically and in parallel for gas flow A fuel cell assembly comprising a plurality of individual fuel cells, especially a solid-oxide fuel cell assembly. The cells are organized into a plurality of stacks, preferably two stacks, disposed side-by-side rather than end-to-end as in a prior art monolithic si... | 12/12/2006 |
| 7144647 | Fuel cell stack A fuel cell stack capable of giving improved impact resistance and vibration resistance without causing the space occupied by the fuel cell stack to be increased. In a fuel cell stack for mounting in a vehicle in which a plurality of fuel cell units, each of which i... | 12/05/2006 |
| 7144651 | High-temperature compliant compression seal A sealing arrangement contains a first mating surface, a second mating surface, and a felt sealing member contacting the first and the second mating surface. The arrangement may be used in a solid oxide fuel cell. ... | 12/05/2006 |
| 7144644 | Mass flow metering air supply for a solid-oxide fuel cell stack In a solid-oxide fuel cell assembly, at least one positive displacement air supply (PDAS) pump supplies at least a portion of the air required for various functional air streams through the assembly. Mass air flow through each PDAS pump is readily controlled to a pr... | 12/05/2006 |
| 7144645 | Operation method for polymer electrolyte fuel cell An operation method is provided for a polymer electrolyte fuel cell in an optimum operating condition by regulating the cell by a function represented by a gas flow rate and the difference between a saturated steam pressure and an actual steam pressure, by regulatin... | 12/05/2006 |
| 7144646 | Method and apparatus for multiple mode control of voltage from a fuel cell system A fuel cell system determines each of a battery charging current error, a battery voltage error, and a stack current error. The fuel cell system regulates current through a series pass element in response to a greater of the determined errors. Thus, the fuel cell sy... | 12/05/2006 |
| 7141322 | Alcohol fueled direct oxidation fuel cells A fuel cell using a neat alcohol such as neat 2-propanol, as its fuel is described. The fuel that is purposely not mixed with any amount of water is oxidized directly at the fuel cell anode. The fuel cell can support a higher current density than a fuel cell using 1... | 11/28/2006 |
| 7141323 | Method and apparatus for electrochemical compression and expansion of hydrogen in a fuel cell system The invention relates to fuel cell systems and associated methods of operation where an electrochemical cell such as a fuel cell is used as an electrochemical hydrogen separator to separate hydrogen from a process stream (e.g., reformate or synthesis gas), or as an ... | 11/28/2006 |
| 7141326 | Warm-up apparatus for fuel cell A warm-up apparatus GS for a fuel cell 1, 51 comprising: a compressor 22, 71 for feeding supply gas A to the fuel cell 1, 51; a main passage W1, W3 connecting the compressor 22, 71 and the fuel cell 1, 51 and feeding ... | 11/28/2006 |
| 7141321 | System and method for enabling the real time buying and selling of electricity generated by fuel cell powered vehicles The present invention relates to a network communication system and method to enable the real time buying and selling of electricity generated by fuel cell powered vehicles between a fuel cell powered vehicle and a consumer. The method comprises: providing connectio... | 11/28/2006 |
| 7141324 | Hydrogen passivation shut down system for a fuel cell power plant The invention is a hydrogen passivation shut down system for a fuel cell power plant (10). An anode flow path (24) is in fluid communication with an anode catalyst (14) for directing hydrogen fuel to flow adjacent to the anode catalyst (14 | 11/28/2006 |
| 7141320 | Fuel cell, electronic device, portable terminal and camera A fuel cell including, a cell unit which has a fuel electrode including a catalyst, an air electrode including a catalyst, and an electrolyte membrane which is sandwiched by the fuel electrode and the air electrode; a fuel chamber which is disposed at a fuel electro... | 11/28/2006 |
