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| Number | Title | Issue Date |
| 8174833 | Electric power converting apparatus A cooling device for cooling a plurality of switching elements included in each of a converter unit and an inverter unit includes a fin base that serves as a switching element attachment plane on which the switching elements are mounted and a plurality of fins arran... | 05/08/2012 |
| 8173896 | Fluid-insulated electrical apparatus A fluid-insulated electrical apparatus includes a grounded tank which is an airtight metal vessel filled with an insulating fluid. A conductor to which a high voltage is applied is disposed in the grounded tank. A metal plate that is press-processed to have an incli... | 05/08/2012 |
| 8173895 | Solar cell A solar cell includes a photoelectric conversion layer, a first electrode on one surface of the photoelectric conversion layer, a second electrode provided on other surface of the photoelectric conversion layer, and a third electrode on the other surface of the phot... | 05/08/2012 |
| 8171750 | Air conditioner and coating composition Disclosed is an air conditioner coated by the coating composition to the resin-made components where due formation occurs upon the cooling operation, provides the antifouling performance against various stains, restrains enlargement of droplet, and provides an excel... | 05/08/2012 |
| 8171631 | Method for component positioning during assembly of scroll-type fluid machine A positioning system used in assembling a scroll-type fluid machine exerts a horizontal thrust on a stationary scroll in a direction opposite to a direction in which an eccentric shaft end portion formed at one end of a rotary shaft is oriented while turning the rot... | 05/08/2012 |
| 8166656 | Method and apparatus for working a screw rotor, end mill for working , and method of manufacturing a screw compressor A method of improving working of grooves of a screw rotor, in particular, working of grooves side in working efficiency, a working apparatus, a working tool, and a method of manufacturing a screw compressor are provided. A method of controlling rotation of a work an... | 05/01/2012 |
| 8166655 | System for component positioning during assembly of scroll-type fluid machine A positioning system used in assembling a scroll-type fluid machine exerts a horizontal thrust on a stationary scroll in a direction opposite to a direction in which an eccentric shaft end portion formed at one end of a rotary shaft is oriented while turning the rot... | 05/01/2012 |
| 8166654 | Method for component positioning during assembly of scroll-type fluid machine A positioning system used in assembling a scroll-type fluid machine exerts a horizontal thrust on a stationary scroll in a direction opposite to a direction in which an eccentric shaft end portion formed at one end of a rotary shaft is oriented while turning the rot... | 05/01/2012 |
| 8164329 | Wire rope flaw detector A wire rope flaw detector comprises a back yoke and excitation permanent magnets, which form a main magnetic path in a predetermined section of a wire rope in the axial direction; a magnetic path member arranged in the predetermined section to be magnetically insula... | 04/24/2012 |
| 8161625 | Method of manufacturing a rotating electric machine There is provided a rotating electric machine capable of reducing torque pulsation, even when a slight stepped portion is present in an inner diameter shape of a stator core formed by allowing coupling split cores divided in every magnetic pole to be in an annular s... | 04/24/2012 |
| 8155810 | Train information management device It is an object to provide a train information management system that performs high-order priority processing of brake commands without using a relay, and that achieves improved redundancy, enables high-speed processing, and achieves high reliability with a simple c... | 04/10/2012 |
| 8155796 | Protective relay device Data from a digitizing unit is stored in a time-series data buffer, via a data receiving circuit. The data on which a digital filtering process is performed by a digital filtering processing circuit is stored in time series in a time-series instantaneous-value data ... | 04/10/2012 |
| 8155762 | Instrumentation control system In an instrumentation control system in which plural control devices are connected to each other through a network, and transfer of data is performed asynchronously, a reset switch is provided in one of a control device, and when this switch is depressed, an instruc... | 04/10/2012 |
| 8154890 | Inverter apparatus with control and voltage-sag circuitry to quickly restart when recovering from a mini power failure An inverter apparatus converts a DC power of a capacitor charged via a rectifier circuit connected to a first AC power system into an AC power, and supplies the AC power to a second AC power system. The inverter apparatus includes a discharge circuit, a control circ... | 04/10/2012 |
| 8154240 | Control apparatus for electric railcar A control apparatus for an electric railcar includes an inverter that exchanges power with an AC rotating machine, a filter capacitor connected in parallel to a DC side of the inverter, a filter reactor provided between the filter capacitor and an overhead line, an ... | 04/10/2012 |
| 8149077 | Electromagnetic operating device for switch An electromagnetic operating device for a switch comprises a fixed yoke (1) formed by laminating square yokes and an E-shaped yoke integrally while holding the E-shaped yoke in-between, a permanent magnet (5), a moving member (2) capable of line... | 04/03/2012 |
| 8148926 | Permanent magnet synchronization motor vector control device A vector control device for a permanent magnet synchronous motor drive by an inverter. The vector control device includes: a current command generation unit for generating a d-axis current command id* and q-axis current command iq* from a given torque command T*; an... | 04/03/2012 |
| 8148003 | Power storage apparatus In a power storage apparatus, for storing DC electric power, which is configured by connecting in series a plurality of modules each including a plurality of cells connected with one another, by providing two first switches at the input portion and at the output por... | 04/03/2012 |
| 8139373 | Terminal box A terminal box for a solar cell module is composed of, a box body, an inner cover and an outer cover, wherein the box body includes a bottom plate, an outer plate arranged in an upright manner around the bottom plate, and an inner plate arranged also in an upright m... | 03/20/2012 |
| 8138867 | Superconducting magnet device A superconducting magnet device includes a main coil that generates a static magnetic field in an imaging space and a disturbance magnetic field compensation coil that suppresses influences of a variable magnetic field flowing inside from outside in the imaging spac... | 03/20/2012 |
| 8138818 | Gate drive apparatus A gate drive apparatus including a constant-current-pulse gate drive circuit which creates a gate signal for a switching device as a constant-current output, a constant-voltage-pulse gate drive circuit which creates the gate signal as a constant-voltage output, and ... | 03/20/2012 |
| 8129980 | AC electric quantity measuring device In the present invention, a measured realtime accurate frequency is used to determine estimated instantaneous voltage/current time-series data for each phase component in accordance with the least-squares method. The estimated instantaneous voltage/current time-seri... | 03/06/2012 |
| 8124901 | Energy storage mechanism for switching device There is obtained an energy storage mechanism, for a switching device, that has a structure requiring no high-accuracy components and can perform release of driving-power transmission and re-engagement. In the case where the closing spring 22 is energized, th... | 02/28/2012 |
| 8119438 | Method of manufacturing solar cell A method of manufacturing a solar cell having a texture on a surface of a silicon substrate includes first forming a porous layer on the surface of the silicon substrate by dipping the silicon substrate into a mixed aqueous solution of oxidizing reagent containing m... | 02/21/2012 |
| 8111680 | Mobile object information sharing system In a system where mobile stations use one frequency to transmit/receive and share position information data, synchronization has been made in a shared time resulting from GPS and the mobile stations transmit the data at mutually different timings that are predetermi... | 02/07/2012 |
| 8111530 | 3-level power converter A 3-level power converter is provided, which is reduced in size of the converter, reduced in floating inductance of each of wirings interconnecting between respective elements, and easily attached with a snubber circuit. The 3-level power converter performs on/off c... | 02/07/2012 |
| 8111503 | Gas-insulated switchgear A gas-insulated switchgear allowing reduction in layout dimension in a direction of axis lines of circuit breakers and also reduction in layout dimension in a direction orthogonal to the direction of the axis lines of the circuit breakers, thereby allowing reduction... | 02/07/2012 |
| 8111158 | Intrusion detection system An intrusion detection system includes an intrusion detection device, and a pair of leaky transmission paths including a leaky transmission path of a sending side which is connected to the intrusion detection device and outputs a leaky electric wave on the basis of ... | 02/07/2012 |
| 8111048 | Double fed synchronous generator motor A double fed synchronous generator motor which is coupled to a reversible pump-turbine and operated while switched to a power generating operation mode or a pumping operation mode, is equipped with a controller for controlling the double fed synchronous generator mo... | 02/07/2012 |
| 8109105 | Refrigerating air conditioning system, method of controlling operation of refrigerating air conditioning system, and method of controlling amount of refrigerant in refrigerating air conditioning system In a refrigerating air conditioning system using refrigerant such as CO2 used in a supercritical area, a highly efficient refrigerating air conditioning system is provided by adjusting the amount of refrigerant in a radiator which contributes to the effic... | 02/07/2012 |
| 8109049 | Solar battery module device A solar battery module device includes a solar cell module formed by arranging a plurality of solar battery cells; a rack-shaped frame having a substantially rectangular shape supporting an outer-edge portion of the solar cell module by surrounding a whole periphery... | 02/07/2012 |
| 8107241 | Electric power conversion apparatus including cooling units In a conventional cooling device, a heat pipe or a circulation-type liquid cooler provided with a pump is used and therefore, a large space is needed for the cooling device. There is provided a cooling device which includes a plurality of cooling modules having cool... | 01/31/2012 |
| 8107205 | Current differential relay An output unit outputs a trip current based on current amount data obtained by sampling a current amount at a first end of a power line at a predetermined timing and current amount data received from a device at a second end of the power line. A clock generating uni... | 01/31/2012 |
| 8106620 | Vector control device for alternating-current electric motor There is provided a vector control device for an alternating-current electric motor having a damping controller which automatically calculates an optimum damping operation amount and does not require any gain setting itself, whereby an adjustment work of a control s... | 01/31/2012 |
| 8106557 | Permanent magnet synchronous motor and hermetic compressor It is an objective to provide a permanent magnet synchronous motor that is highly efficient with low vibration and low noise. A stator 30 includes a stator core 1 that includes magnetic pole teeth 2 each formed between adjacent slots 3, a... | 01/31/2012 |
| 8106291 | Solar battery and manufacturing method therefor When forming an electrode by printing several times, the cross section area of the electrode is increased and the resistance is reduced while more electrode material is required, which leads to a cost up and waste of resources. There is provided a solar cell manufac... | 01/31/2012 |
| 8104558 | Vehicle controller A vehicle controller is mounted in a box-shaped manner beneath the floor or on the roof of a vehicle so as to supply electric power to vehicle apparatuses. The vehicle controller is configured with a plurality of functional modules; each of the functional modules ha... | 01/31/2012 |
| 8104556 | Drive-control apparatus for electric drive vehicle A drive-control apparatus for an electric-drive vehicle drives and controls a vehicle driven by electric power generated from mechanical power produced by an internal combustion engine (1). In order to cool down an electric power converter (3) without ... | 01/31/2012 |
| 8089021 | Vacuum circuit breaker An object is to provide a vacuum circuit breaker that has a lower electrical and thermal resistance at contacting portions between a movable electrode-rod and a movable-electrode-side connection-terminal so that a continuous current-carrying capacity is made larger ... | 01/03/2012 |
| 8089020 | Gas-insulated switching apparatus [Object] A compact gas-insulated switching apparatus in which the space for arranging a gas breaker module may be reduced, and the space for arranging a circuit wiring may be reduced in the vertical direction is proposed. [Means for Resolution] Gas circuit br... | 01/03/2012 |
