Hironori Matsumoto
Hironori Matsumoto, Makinohara-Shi JP
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20090173006 | VEHICLE DOOR OPENING AND CLOSING SYSTEM - The invention provides a vehicle door opening and closing system for making a notice before opening and closing a door by using a motor to enhance the safety. The inventive is a door opening and closing system mounted on a vehicle including a controller generating and sending a first instruction and a second instruction, a motor controlled by the controller so as to open or close the door and an announce mechanism controlled by the controller. The first instruction instructs the motor to drive after a predetermined wait time from the generation of the first instruction; and the second instruction instructs the announce mechanism to announce generation of the first instruction for a predetermined notice time before starting to drive the motor. | 07-09-2009 |
Hironori Matsumoto, Hitachi JP
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20110181138 | TOTALLY ENCLOSED MOTOR - A totally enclosed motor which includes a rotor disposed inside a housing and a heat of the rotor is transferred to the housing, a stator disposed inside the housing and a heat of the stator is transferred to the housing, and an inner fin which is disposed in the rotor and agitates air inside the housing. The totally enclosed motor is cooled by a forced convection by an outer fan disposed outside the housing, or by a natural convention in the vicinity of an outer surface of the housing, and a shape of the rotor is different between one end side and the other end side of the rotor in an extending direction of a rotary shaft of the rotor. | 07-28-2011 |
20110278971 | ROTARY MACHINE - A rotary machine including: a stator in the rotary machine; and a stator coil provided in the stator, a part or all of the stator and the stator coil being molded with resin to insulate the stator coil, wherein one or more materials having high thermal conductivity are provided on the inside or the outside of the resin and coupled to a heat radiating section on the outside of the resin by the materials having high thermal conductivity. Consequently, it is possible to realize a rotary machine that is small and light, has high heat radiation properties, and stably operates for a long time. | 11-17-2011 |
20120067631 | INSULATING CIRCUIT BOARD, INVERTER DEVICE AND POWER SEMICONDUCTOR DEVICE - An object of the invention is to provide an insulation circuit board with high insulation reliability and a related technology that uses this insulation circuit board. An insulation circuit board ( | 03-22-2012 |
20120127684 | INSULATION CIRCUIT BOARD, AND POWER SEMICONDUCTOR DEVICE OR INVERTER MODULE USING THE SAME - The invention relates to a high-voltage insulation circuit board which is used in an electric power apparatus such as an electric power converter or the like such as power semiconductor device, inverter module, or the like and provides an insulation circuit board in which electric field concentration at the end sections of a wiring pattern is reduced, partial discharging is suppressed, and a reliability is high. According to the invention, there is provided an insulation circuit board having: a metal base substrate; and wiring patterns which are formed onto at least one of the surfaces of the metal base substrate through an insulation layer, characterized in that between two adjacent wiring patterns in which an electric potential difference exists among the wiring patterns, at least one or more wiring patterns or conductors which are in contact with the insulation layer and have an electric potential in a range of the electric potential difference between the adjacent wiring patterns are arranged. According to the invention, the electric field concentration at the end sections of the wiring pattern to which a high voltage is applied is reduced and partial-discharge-resistant characteristics are improved. | 05-24-2012 |
20120300417 | Power Distribution Mounting Component and Inverter Apparatus Using Same - The present invention is a power distribution mounting component operable at high voltages. More specifically, the power distribution mounting component includes: an insulating layer; current-carrying first conductor layers sandwiching the insulating layer; and a second conductor layer (thinner than the first conductor layers) interposed between the insulating layer and at least one of the first conductor layers. Each the second conductor layer between the insulating layer and the overlying current-carrying first conductor layer is sufficiently thinner than the first conductor layer and is therefore formed in close adhesion to the insulating layer, thereby increasing the partial discharge inception voltage of the power distribution mounting component and therefore its insulation reliability. | 11-29-2012 |
Hironori Matsumoto, Funabashi-Shi JP
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20130273386 | MODIFIED POLYPROPYLENE COMPOSITION AND LAMINATE USING THE SAME - It is an object of the present invention to provide a modified polypropylene composition for forming laminates, which enables prevention of lowering of interlaminar bond strength even in the case where it is subjected to high-speed molding or subjected to stretch molding, and a laminate using the composition and having excellent interlaminar bond properties. The present invention relates to a modified polypropylene composition comprising a propylene-based polymer (A-1), 0 to 45% by weight of a propylene-based polymer (A-2), an ethylene/α-olefin copolymer (B) having a melt flow rate (MFR; ASTM D1238, 230° C., load of 2.16 kg) of 0.01 to 40 g/10 min and a density (ASTM 91505) of not more than 0.900 g/cm | 10-17-2013 |
Hironori Matsumoto, Nagaokakyo-Shi JP
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20140008981 | SWITCHING POWER SUPPLY APPARATUS - In a switching power supply apparatus, a main switching control circuit performs switching control of a low-side switch device and a high-side switch device based on a feedback signal corresponding to a main output voltage output from a secondary winding of a transformer, and applies and stops applying a voltage to a primary winding of the transformer. A digital signal processor, in accordance with the load status of the main load, changes set target values, performs switching control of switch devices of the sub-rectifying and smoothing circuits, and drives sub-loads. | 01-09-2014 |
Hironori Matsumoto, Hitachinaka JP
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20130002076 | MAGNETIC GEAR MECHANISM - A magnetic gear mechanism including a simplified assembly of a magnetic flux modulating section in the magnetic gear mechanism which improves the strength thereof. In the magnetic flux modulating section of the magnetic gear mechanism, the magnetic flux modulating section being formed of a magnetic member and a non-magnetic member, a piece of the magnetic member and a piece of the non-magnetic member are separately produced. The piece of the magnetic member is sandwiched between circumferential projections provided in pieces of the non-magnetic member, and the magnetic member and the non-magnetic member and bearing holding sections form a structure in which the magnetic member and the non-magnetic member are fitted into the bearing holding sections by using recessed portions provided in the bearing holding sections and axial projections provided in the pieces of the non-magnetic member. This structure simplifies production and improves strength. | 01-03-2013 |
Hironori Matsumoto, Tokyo JP
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20140183984 | RESIN-MOLDED ROTATING MACHINE - In a motor that is molded with resin in part or as a whole, thermal expansion caused by temperature rise due to reduction in size and increase in output causes application of stress equal to or greater than fracture stress to the resin, thus generating cracks. | 07-03-2014 |
20140377539 | Electrical Insulation Resin Composition, Cured Product Thereof, Methods of Preparing the Composition and the Product, and High Voltage Apparatuses and Power Transmission and Distribution Apparatuses Using the Composition and the Product - The present invention is aimed at enhancing dispersibility of filler, maintaining uniform low-thermal-expansion properties and mechanical strength, enhancing insulation characteristics, especially treeing resistivity, of a resin composition or a cured resin product, and enhancing the reliability of a high voltage apparatus, a power transmission and distribution apparatus or the like to which the resin composition or the cured resin product is applied. | 12-25-2014 |