| Patent application number | Description | Published |
| 20100025126 | Power Conversion Apparatus and Electric Vehicle - The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area. | 02-04-2010 |
| 20100026090 | Power Conversion Apparatus and Electric Vehicle - A power conversion apparatus capable of improving the impedance characteristics between each of two power modules and each of a plurality of capacitor cells, the power conversion apparatus including: plural capacitor cells connected in parallel between a three-layer laminated wiring board consisting of a positive polarity conductor board and a negative polarity conductor board formed widely in the direction of the parallel disposition of the power modules and laminated with an insulation sheet therebetween; a three-layer laminated conductor board consisting of a positive polarity conductor board and a negative polarity conductor board formed widely in the direction of the parallel direction of the power modules and laminated with an insulation sheet therebetween and used to connect the positive and negative polarity sides of each of the two power modules to the laminated wiring board respectively. | 02-04-2010 |
| 20110032676 | POWER INVERTER - Water paths for feeding a coolant water through a power converter mounted on an automobile are arranged in parallel, openings are formed on the water paths respectively, heat radiating fins project from the openings, and the openings are closed by a base plate of the power module. Further, the base plate of the power module includes a metal in addition to copper to increase a hardness of the base plate, so that a deterioration of the flatness during fixing the fins with brazing is restrained. | 02-10-2011 |
| 20120200164 | Power Conversion Apparatus and Electric Vehicle - A power conversion apparatus capable of improving the impedance characteristics between each of two power modules and each of a plurality of capacitor cells, the power conversion apparatus including: plural capacitor cells connected in parallel between a three-layer laminated wiring board consisting of a positive polarity conductor board and a negative polarity conductor board formed widely in the direction of the parallel disposition of the power modules and laminated with an insulation sheet therebetween; a three-layer laminated conductor board consisting of a positive polarity conductor board and a negative polarity conductor board formed widely in the direction of the parallel direction of the power modules and laminated with an insulation sheet therebetween and used to connect the positive and negative polarity sides of each of the two power modules to the laminated wiring board respectively. | 08-09-2012 |
| 20120275205 | Power Conversion Apparatus and Electric Vehicle - The metallic case of a power conversion apparatus includes a casing having a side wall, as well as an upper case and a lower case, a first area being formed between a cooling jacket provided at the inner periphery of the side wall and the lower case, the metal base plate dividing the first area between the cooling jacket and the upper case into a lower side second area and an upper side third area, first and second power modules being fastened to a top surface and a capacitor module being provided in the first area, driving circuits that drive inverter circuits of the power modules respectively being provided in the second area, and a control circuit that controls the driver circuits being provided in the third area. | 11-01-2012 |
| Patent application number | Description | Published |
| 20090117359 | CARBURIZED METAL MATERIAL AND METHOD FOR PRODUCING THE SAME - A metal material that is, without using expensive apparatus, carburized in a low temperature region where crystal grains do not grow so much, and a producing method of the metal material are provided. A metal material mainly containing iron, wherein a surface of the metal material is subjected to a carburization treatment by a treatment using fullerenes as a carbon source. | 05-07-2009 |
| 20120020875 | CATALYST FOR REDUCING NITROGEN OXIDES AND METHOD FOR PRODUCING THE SAME - The object is to provide an exhaust gas reduction catalyst that exhibit high nitrogen oxide reduction performance, and to provide a simple and efficient method for producing the catalyst, in which the amount of the waste liquid is reduced, further, an object of the invention is to provide a zeolite-containing catalyst for reducing nitrogen oxides, which does not use an expensive noble metal or the like and which has high nitrogen oxide reduction performance. The present invention relates to a catalyst for reducing nitrogen oxides, which comprises: zeolite at least containing an aluminium atom and a phosphorus atom in the framework thereof; and a metal supported on the zeolite, wherein a coefficient of variation of intensity of the metal is at least 20%, when performing an elemental mapping of the metal in the catalyst with an electron probe microanalyzer, and, a catalyst for reducing nitrogen oxides, which comprises the zeolite containing at least a silicon atom, a phosphorus atom and an aluminium atom, and having an adsorption retention rate of at least 80% in a water vapor cyclic adsorption/desorption test at 90° C. | 01-26-2012 |
| 20120028789 | CATALYST FOR REDUCING NITROGEN OXIDES AND METHOD FOR PRODUCING THE SAME - The object is to provide an exhaust gas reduction catalyst that exhibit high nitrogen oxide reduction performance, and to provide a simple and efficient method for producing the catalyst, in which the amount of the waste liquid is reduced, further, an object of the invention is to provide a zeolite-containing catalyst for reducing nitrogen oxides, which does not use an expensive noble metal or the like and which has high nitrogen oxide reduction performance. The present invention relates to a catalyst for reducing nitrogen oxides, which comprises: zeolite at least containing an aluminium atom and a phosphorus atom in the framework thereof; and a metal supported on the zeolite, wherein a coefficient of variation of intensity of the metal is at least 20%, when performing an elemental mapping of the metal in the catalyst with an electron probe microanalyzer, and, a catalyst for reducing nitrogen oxides, which comprises the zeolite containing at least a silicon atom, a phosphorus atom and an aluminium atom, and having an adsorption retention rate of at least 80% in a water vapor cyclic adsorption/desorption test at 90° C. | 02-02-2012 |
| Patent application number | Description | Published |
| 20110272949 | WIND TURBINE GENERATOR - Provided is a wind turbine generator in which the intake air temperature of an air-cooled heat exchanger disposed in a nacelle is decreased to allow efficient heat exchange. A wind turbine generator that generates electric power in such a manner that a rotor head that rotates when receiving wind power drives a generator installed inside a nacelle, the nacelle being installed at the upper end of a tower that is vertically erected on a foundation, and the wind turbine generator including a closed-circuit lubricating-oil circulation system in which lubricating oil circulates through devices installed inside the nacelle, wherein an air-cooled heat exchanger installed in the lubricating-oil circulation system to cool the lubricating oil by heat exchange with air is provided in a region separate from nacelle air. | 11-10-2011 |
| 20120001437 | WIND POWER GENERATOR - Provided is a wind power generator that reduces the amount of heat input into a nacelle from the outside of the nacelle due to the solar radiation, and that improves the heat dissipation performance from the inside of the nacelle to the outside air. In a wind power generator in which a driving mechanism and power generation mechanism that are connected with a rotor head, to which wind-turbine blades are attached, are accommodated and installed in a nacelle, an outer wall surface of the nacelle is provided with, on at least a part of the wall surface where no direct sunlight is radiated, a heat-dissipation-resistance reducing portion that uses a member having a higher thermal conductivity than that of a peripheral wall member. | 01-05-2012 |
| 20120001438 | WIND POWER GENERATOR - A wind power generator is provided in which a reduction in weight is achieved by reducing the wall thickness of a nacelle, and an increase in the amount of heat input to the interior of the nacelle from sunlight is suppressed. In a wind power generator in which driving/power-generating mechanisms linked to a rotor head to which wind-turbine blades are attached are accommodated and installed inside a nacelle, a coating of high-reflectivity paint is formed on at least part of the outer wall that receives sunlight. | 01-05-2012 |
| 20120124984 | POWER GENERATING APPARATUS OF RENEWABLE ENERGY TYPE - A power generating apparatus includes a rotating shaft, a hydraulic pump driven by the rotating shaft, a hydraulic motor driven by operating oil supplied from the hydraulic pump; and a generator coupled to the hydraulic motor. The apparatus further includes an oil line connected to the hydraulic pump and the hydraulic motor for circulating the operating oil between the hydraulic pump and the hydraulic motor, an oil cooler connected to the oil line for cooling the operating oil by heat exchange with a cooling medium, a cooling-medium line supplying the cooling medium to the oil cooler; a bypass line diverging from at least one of the oil line and the cooling-medium line and merging into at least one of the oil line and the cooling-medium line to bypass the oil cooler; and a flow regulating valve in at least one of the oil line and the cooling-medium line. | 05-24-2012 |
| 20120134818 | WIND TURBINE GENERATOR - A wind turbine generator includes: a rotor hub configured to be provided inside a rotor head and contain apparatuses; a hatch configured to be provided in a front of the rotor hub; and a heat exchanger configured to be provided in an opening of the hatch. The heat exchanger includes: a partition portion configured to be put on the opening, and heat exchanging members configured to be provided so as to penetrate the partition portion, a side of one end being located inside the rotor hub and a side of the other end being located outside the rotor hub. | 05-31-2012 |
| 20120148407 | WIND TURBINE GENERATOR - A wind turbine generator includes a tower, at least one blade, a hub supporting the blade, a nacelle supported by the tower and having a duct part with an intake port and an exhaust port, and a heat exchanger provided in the duct part and cooling a cooling medium for a heat-producing component inside the tower or nacelle. The wall of the nacelle has a double wall structure constituted of an inner wall and an outer wall in an area where the duct part is provided. The inner wall forms a bottom surface of the duct part and has a curved portion which curves inward toward a center line of the nacelle with increasing distance from the hub. The duct part increases in cross-section from a side of the intake port to a side of the exhaust port at least in an area where the curved portion is formed. | 06-14-2012 |
| 20120255291 | Power generating apparatus of renewable energy type - A power generating apparatus of renewable energy includes a tower, a nacelle provided at the tower, a main shaft housed in the nacelle and rotating with a blade, a hydraulic pump housed in the nacelle and connected to the main shaft, a hydraulic motor driven by operating oil supplied from the hydraulic pump, a generator connected to the hydraulic motor, and a piping between the hydraulic pump and the hydraulic motor. The hydraulic motor is housed in at least one of the nacelle and the end part of the tower, the generator is housed in at least one of the nacelle and the end part of the tower, and at least one of the hydraulic motor and the generator is arranged in a space excluding an area between the main shaft and the hydraulic pump; and a rear end wall surface of a wall of the nacelle. | 10-11-2012 |
| 20120256425 | WIND POWER GENERATING APPARATUS - A wind power generating apparatus provided with heat exhausting measures for an in-rotor-head device is provided. In a wind power generating apparatus in which a rotor head that rotates upon receiving wind power on a wind turbine blade drives a generator that is installed inside a nacelle and thereby generates electric power, the nacelle is installed on an upper end portion of a tower that is erected on a foundation, and a hub control panel is installed inside the rotor head, a ventilating fan that forms a flow inside and outside of an enclosure of the hub control panel is provided in the enclosure. | 10-11-2012 |
| 20120257970 | POWER GENERATING APPARATUS OF RENEWABLE ENERGY TYPE - A power generating apparatus of renewable energy type includes a tower, a nacelle which is supported rotatably by a tip portion of the tower; a main shaft rotatable with a blade; a hydraulic pump which is housed in the nacelle and is driven by rotation of the main shaft; a hydraulic motor which is driven by operating oil supplied from the hydraulic pump; a generator which is coupled to the hydraulic motor; an operating-oil line which is provided between the hydraulic pump and the hydraulic motor and through which the operating oil circulates; a cooling-medium line through which cooling medium for cooling the operating oil circulates via an intermediate heat exchanger; and a main heat exchanger which cools the cooling medium by heat exchange with cool water source around a base portion of the tower, and one of the operating-oil line. | 10-11-2012 |