Patent application number | Description | Published |
20090258263 | HYDROGEN GENERATOR AND FUEL CELL SYSTEM - Provided is a hydrogen generator capable of suppressing degradation in capability of a hydrogen generator which is caused by crush of particulate reforming catalyst and of suppressing decrease in reforming efficiency due to decrease in heat transfer efficiency of a catalyzing portion which is caused by the crush of the particulate reforming catalyst. A hydrogen generator comprises a catalyzing portion | 10-15-2009 |
20090280363 | HYDROGEN GENERATOR, FUEL CELL SYSTEM COMPRISING THE SAME, AND OPERATION METHOD THEREOF - A hydrogen generator comprises a reformer which generates a hydrogen-containing gas from a steam and a material gas, a first gas supply device which supplies the material gas, a combustor which combusts an exhaust gas exhausted from the reformer to heat the reformer, a combustion air supply device which supplies air to the combustor, a second gas supply device which supplies another gas different from the material gas to the reformer or to a passage connecting the reformer to the combustor, and a controller. The controller is configured to control the combustion air supply device to increase an amount of the air supplied to the combustor (S | 11-12-2009 |
20090291337 | HYDROGEN FORMING APPARATUS, FUEL CELL SYSTEM AND METHOD OF CONTROLLING HYDROGEN FORMING APPARATUS - A hydrogen generating apparatus including a reformer which performs a reforming reaction using a material and steam to generate hydrogen-containing gas; a water evaporator which generates the steam supplied to the reformer; a first water pathway through which reforming water to be supplied to the water evaporator flows; a pump which supplies the reforming water to the water evaporator | 11-26-2009 |
20100068573 | HYDROGEN GENERATOR AND FUEL CELL SYSTEM - A hydrogen generator ( | 03-18-2010 |
20100081021 | FUEL CELL SYSTEM - A fuel cell system of the present invention includes: a hydrogen generator ( | 04-01-2010 |
20100178043 | COGENERATION SYSTEM - A cogeneration system of the present invention includes: a fuel cell ( | 07-15-2010 |
20100285377 | HYDROGEN GENERATOR AND FUEL CELL SYSTEM INCLUDING SAME - A hydrogen generator includes: a reformer ( | 11-11-2010 |
20100291451 | FUEL CELL SYSTEM - A fuel cell system of the present invention comprises a fuel cell ( | 11-18-2010 |
20100297513 | FUEL CELL SYSTEM - A fuel cell system of the present invention includes: a fuel cell ( | 11-25-2010 |
20100304247 | HYDROGEN GENERATOR, FUEL CELL SYSTEM COMPRISING HYDROGEN GENERATOR, AND OPERATION METHOD OF HYDROGEN GENERATOR, AND OPERATION METHOD OF FUEL CELL SYSTEM - A hydrogen generator comprises a reformer configured to generate a hydrogen-containing gas through a reforming reaction in an internal space thereof using a material gas and steam; a material gas supply passage through which the material gas is supplied to the reformer; a material gas supplier which is provided at the material gas supply passage to supply the material gas to the reformer; a first valve configured to open and close the material gas supply passage; an evaporator configured to generate a steam supplied to the reformer; a water supplier configured to supply water to the evaporator; a communicating passage for allowing the reformer to communicate with atmosphere; a second valve configured to open and close the communicating passage; and a controller configured to stop the material gas supplier and the water supplier and close the first valve and the second valve at shutdown of the hydrogen generator; and open the second valve prior to opening the first valve when the material gas supplier resumes supply of the material gas to the reformer after the shutdown. | 12-02-2010 |
20110117461 | HYDROGEN GENERATION DEVICE AND FUEL CELL SYSTEM PROVIDED THEREWITH - A hydrogen generation device or a fuel cell system of the present invention can prevent deterioration or breakage of portions of the hydrogen generation device, which is caused by thermal stress attributable to repeated operation and halt. Thus, it is possible to increase the life and enhance the stability of the device and the system. | 05-19-2011 |
20110136025 | FUEL CELL SYSTEM - An object of the invention is to provide a fuel cell system capable of performing a stable start-up operation with stable combustion in a burner unit. At the start-up operation of the fuel cell system, out of raw gas components adsorbed to the catalysts filled in a fuel processor, an amount of desorbed raw gas desorbed by a temperature rise in catalysts and supplied to a burner unit 12 is estimated. An amount of raw gas supplied from a raw gas supply device to the burner unit is adjusted according to the estimated value such that a ratio of combustion air separately supplied to the burner unit to a total of the raw gas supplied from the raw gas supply device and the desorbed raw gas falls within a predetermined range. Accordingly, stable combustion of the burner unit can be continually performed at the start-up operation of the fuel cell system. | 06-09-2011 |
20110143230 | FUEL CELL SYSTEM - An object of the invention is to provide a fuel cell system capable of performing a stable start-up operation with stable combustion in a burner unit. At the star-up operation of the fuel cell system, an amount of combustion air delivered to a burner unit | 06-16-2011 |
20110151341 | FUEL CELL SYSTEM - A fuel cell system includes a reforming unit, a carbon monoxide decreasing unit, a fuel cell, a burner unit, a raw gas supply device, and a heating unit. The heating unit is controlled at a start-up operation of the fuel cell system, so as to adjust an amount of a desorbed raw gas desorbed out of components of the raw gas adsorbed to at least one of a reforming catalyst and a carbon monoxide decreasing catalyst such that a ratio of an amount of combustion air to an amount of a raw gas in the burner unit falls within a predetermined range. | 06-23-2011 |
20110195322 | HYDROGEN GENERATOR, FUEL CELL SYSTEM, AND METHOD FOR OPERATING HYDROGEN GENERATOR - A hydrogen generator ( | 08-11-2011 |
20110212375 | HYDROGEN GENERATOR AND FUEL CELL SYSTEM COMPRISING THE SAME - A hydrogen generator of the present invention includes a reformer ( | 09-01-2011 |
20110318659 | FUEL CELL SYSTEM - A fuel cell system of the present invention comprises a fuel cell ( | 12-29-2011 |
20120021313 | FUEL CELL SYSTEM AND METHOD FOR OPERATING THE SAME - A fuel cell system of the present invention includes: a fuel cell ( | 01-26-2012 |
20120021315 | FUEL CELL SYSTEM - A fuel cell system ( | 01-26-2012 |
20120021321 | FUEL CELL SYSTEM - A fuel cell system ( | 01-26-2012 |
20120028144 | FUEL CELL SYSTEM AND OPERATING METHOD THEREOF - Provided are a fuel cell system capable of shortening the wait time of an observer who confirms set points of a system interconnection protective device before starting a system interconnection operation, and a method for operating the fuel cell system. | 02-02-2012 |
20120064421 | HYDROGEN GENERATION DEVICE AND FUEL CELL SYSTEM EQUIPPED WITH SAME - A hydrogen generation apparatus according to the present invention includes: a hydrogen generator configured to generate a fuel gas through a reforming reaction by using a raw fuel; a combustor configured to heat the hydrogen generator; an on-off valve configured to open/block a gas passage through which the gas that is sent out from the hydrogen generator is supplied to the combustor; a combustion air supply device configured to supply combustion air to the combustor; an ignition device provided at the combustor; and a controller. In a case where flame extinction has occurred at the combustor during generation of a hydrogen-containing gas in a start-up process, the controller performs an ignition operation of the ignition device with the on-off valve kept opened. | 03-15-2012 |
20130084508 | OPERATION METHOD OF FUEL CELL SYSTEM - A method of operating a fuel cell system ( | 04-04-2013 |
20130143135 | HYDROGEN GENERATION APPARATUS AND FUEL CELL SYSTEM - A hydrogen generation apparatus ( | 06-06-2013 |
20140072892 | HYDROGEN GENERATION APPARATUS, FUEL CELL SYSTEM INCLUDING THE SAME, AND METHOD OF OPERATING HYDROGEN GENERATION APPARATUS - A hydrogen generation apparatus including: a first desulfurizer; a second desulfurizer; a reformer to generate a hydrogen-containing reformed gas from a raw material gas from which sulfur has been removed by at least one of the first desulfurizer and the second desulfurizer; and a recycle passage through which a part of the reformed gas generated by the reformer is mixed into the raw material gas to be supplied to the second desulfurizer. After installation or maintenance of the hydrogen generation apparatus, the raw material gas is supplied to the reformer through the first desulfurizer until a catalyst in the second desulfurizer is activated by a mixed gas of the reformed gas supplied through the recycle passage and the raw material gas, and after the catalyst in the second desulfurizer is activated, the raw material gas is supplied to the reformer through the second desulfurizer. | 03-13-2014 |
20140127597 | METHOD OF OPERATING HYDROGEN GENERATOR AND METHOD OF OPERATING FUEL CELL SYSTEM - A method of operating a hydrogen generator includes: a step (a) of generating a hydrogen-containing gas by a hydrogen generation unit by using a raw material in the hydrogen generation unit; a step (b) of removing a sulfur compound from the raw material by a hydrodesulfurizer which is heated by heat transferred from the hydrogen generation unit; and a step (c) of performing an operation of supplying the raw material to the hydrogen generation unit after stopping the generating of the hydrogen-containing gas by the hydrogen generation unit. The step (c) is not performed unless, at least, a temperature of the hydrodesulfurizer is such a temperature at which carbon deposition from the raw material is suppressed. | 05-08-2014 |
20150044102 | HYDROGEN GENERATION APPARATUS - A hydrogen generation apparatus is configured to be supplied with a raw material containing a hydrocarbon component and generate a hydrogen-containing fuel gas. The hydrogen generation apparatus includes: a reformer configured to cause a reforming reaction of a mixed gas of the raw material and steam; a combustor configured to combust a combustible gas to heat the reformer; a hydrodesulfurizer configured to be supplied with heat from the reformer, and cause a reaction between sulfur in the raw material that is to be supplied to the reformer and hydrogen to remove the sulfur from the raw material; a first heat insulating material disposed between the hydrodesulfurizer and the reformer; and a heat equalizing plate disposed between the hydrodesulfurizer and the first heat insulating material. | 02-12-2015 |