Patents by Inventor Hiroyuki Kinugawa
Hiroyuki Kinugawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8593031Abstract: A stator includes an iron core 3 in which a plurality of teeth 2 are connected into an integral body, and coil wires 5 each of which is wound in series around each set of a predetermined number of teeth included in the plurality of teeth. Each of the coil wires 5 is routed in a slanting direction between opposed faces of two adjacent teeth 2 in each set of the predetermined number of teeth 2, so that each of the coil wires makes a transition from a wire wound around one of them 2 to a wire wound around the other tooth 2.Type: GrantFiled: September 21, 2010Date of Patent: November 26, 2013Assignee: Mitsubishi Electric CorporationInventors: Hiroyuki Kinugawa, Hiroyuki Ogura, Tatsuhiro Ujiie
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Patent number: 8513843Abstract: An insulating housing for a motor terminal includes a plurality of electricity supply members each having a connector terminal for connection to a power supply and a coil terminal to which a motor coil is connected; and an insulating housing main body for insulating the plurality of electricity supply members from each other and holding the electricity supply members. The insulating housing main body integral with the electricity supply members is formed by insert-molding with the plurality of electricity supply members spaced in an insulating interval from each other and disposed on the same plane after bending, then the connector terminal is protruded within a connector insertion opening formed integral with the insulating housing main body, and the coil terminal is protruded onto the same plane as the peripheral surface of the insulating housing main body.Type: GrantFiled: April 2, 2009Date of Patent: August 20, 2013Assignee: Mitsubishi Electric CorporationInventor: Hiroyuki Kinugawa
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Patent number: 8384257Abstract: A brushless motor includes an external stator where a magnetic circuit is electrically formed by winding electric wires around an iron core; a bus bar bundling the electric wires and forming an external input terminal; and an internal rotor formed by integrating a permanent magnet and rotatably supported through a bearing with respect to the external stator, wherein an insulation plate is held on one end of the external stator and attached thereto a magnetic pole sensor detecting a magnetic pole of the permanent magnet.Type: GrantFiled: January 25, 2008Date of Patent: February 26, 2013Assignee: Mitsubishi Electric CorporationInventors: Hiroyuki Kinugawa, Masafumi Sugawara
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Publication number: 20110298329Abstract: A stator includes an iron core 3 in which a plurality of teeth 2 are connected into an integral body, and coil wires 5 each of which is wound in series around each set of a predetermined number of teeth included in the plurality of teeth. Each of the coil wires 5 is routed in a slanting direction between opposed faces of two adjacent teeth 2 in each set of the predetermined number of teeth 2, so that each of the coil wires makes a transition from a wire wound around one of teeth 2 to a wire wound around the other tooth 2.Type: ApplicationFiled: September 21, 2010Publication date: December 8, 2011Inventors: Hiroyuki KINUGAWA, Hiroyuki OGURA, Tatsuhiro UJIIE
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Publication number: 20110006626Abstract: An insulating housing for a motor terminal includes a plurality of electricity supply members each having a connector terminal for connection to a power supply and a coil terminal to which a motor coil is connected; and an insulating housing main body for insulating the plurality of electricity supply members from each other and holding the electricity supply members. The insulating housing main body integral with the electricity supply members is formed by insert-molding with the plurality of electricity supply members spaced in an insulating interval from each other and disposed on the same plane after bending, then the connector terminal is protruded within a connector insertion opening formed integral with the insulating housing main body, and the coil terminal is protruded onto the same plane as the peripheral surface of the insulating housing main body.Type: ApplicationFiled: April 2, 2009Publication date: January 13, 2011Inventor: Hiroyuki Kinugawa
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Publication number: 20100133935Abstract: A brushless motor includes an external stator where a magnetic circuit is electrically formed by winding electric wires around an iron core; a bus bar bundling the electric wires and forming an external input terminal; and an internal rotor formed by integrating a permanent magnet and rotatably supported through a bearing with respect to the external stator, wherein an insulation plate is held on one end of the external stator and attached thereto a magnetic pole sensor detecting a magnetic pole of the permanent magnet.Type: ApplicationFiled: January 25, 2008Publication date: June 3, 2010Inventors: Hiroyuki Kinugawa, Masafumi Sugawara
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Publication number: 20100089349Abstract: A valve timing adjusting device includes a first rotor rotating integrally with a crankshaft; a second rotor secured integrally with an intake or exhaust camshaft; a first hole formed passing through radially to a shoe formed inside the first rotor; a second hole formed through the shoe, intersecting the first hole; a coil spring pressing a lock pin received in the first hole to thereby engage the lock pin into a concavity formed on the outer peripheral surface of the second rotor; and a shaft inserted into the second hole in order to prevent the coil spring from dashing out.Type: ApplicationFiled: May 22, 2006Publication date: April 15, 2010Inventors: Koji Yudate, Akaria Sakata, Hiroyuki Kinugawa
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Patent number: 7579732Abstract: An insulating motor housing includes first to fourth power supply elements stacked in their thickness direction to be spaced and insulated from each other and integrated with a housing body by insert molding. A power source connector using power source terminals of the second to fourth power supply elements as connector terminals is also integrated with the housing body.Type: GrantFiled: November 29, 2007Date of Patent: August 25, 2009Assignees: Mitsubishi Cable Industries, Ltd., Mitsubishi Electric CorporationInventors: Shinji Yamaguchi, Yoshikazu Tanaka, Masafumi Sugawara, Hiroyuki Kinugawa
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Patent number: 7503298Abstract: A valve timing adjusting device includes: a first rotor rotating integrally with a crankshaft; a second rotor integrally secured to an intake or exhaust camshaft; and an engaging cavity provided in one of the first rotor and the second rotor. A lock pin is housed in a housing hole provided in the other of the first rotor and the second rotor, protruded by the energizing force of an energizing device at the time of hydraulic pressure reduction, to thus abut on the wall of the engaging cavity from an oblique direction to give a relative rotating force to the first rotor and the second rotor.Type: GrantFiled: May 17, 2005Date of Patent: March 17, 2009Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Hiroyuki Kinugawa, Akira Sakata, Koji Yudate
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Publication number: 20080245328Abstract: A first rotor integrally fixes a housing having the bearing of a camshaft, a case, which internally has a plurality of projecting shoes and which forms hydraulic chambers between these shoes, and a cover, which covers the hydraulic chambers, and the first rotor rotates integrally with a crank shaft. A second rotor has a plurality of vanes each dividing the hydraulic chamber into an advanced-angle hydraulic chamber and a retarded-angle hydraulic chamber, can rotate by a predetermined angle within the first rotor, and is integrally fixed with an intake or exhaust camshaft. A groove accommodating an energizing part, opposed to the shoe of the first rotor and to the vane of the second rotor, is provided on the opposite side to the housing.Type: ApplicationFiled: June 8, 2005Publication date: October 9, 2008Inventors: Koji Yudate, Akira Sakata, Hiroyuki Kinugawa
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Publication number: 20080150377Abstract: An insulating motor housing includes first to fourth power supply elements stacked in their thickness direction to be spaced and insulated from each other and integrated with a housing body by insert molding. A power source connector using power source terminals of the second to fourth power supply elements as connector terminals is also integrated with the housing body.Type: ApplicationFiled: November 29, 2007Publication date: June 26, 2008Applicants: MITSUBISHI CABLE INDUSTRIES, LTD., MITSUBISHI ELECTRIC CORPORATIONInventors: Shinji YAMAGUCHI, Yoshikazu TANAKA, Masafumi SUGAWARA, Hiroyuki KINUGAWA
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Publication number: 20070074691Abstract: A valve timing adjusting device includes: a first rotor rotating integrally with a crankshaft; a second rotor integrally secured to an intake or exhaust camshaft; and an engaging cavity provided in one of the first rotor and the second rotor. A lock pin is housed in a housing hole provided in the other of the first rotor and the second rotor, protruded by the energizing force of an energizing device at the time of hydraulic pressure reduction, to thus abut on the wall of the engaging cavity from an oblique direction to give a relative rotating force to the first rotor and the second rotor.Type: ApplicationFiled: May 17, 2005Publication date: April 5, 2007Inventors: Hiroyuki Kinugawa, Akira Sakata, Koji Yudate
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Patent number: 7146946Abstract: A valve timing adjusting device includes a first rotor that rotates synchronously with a crankshaft of an engine; a second rotor that is relatively rotatable by a predetermined angle within the first rotor, and is secured on the end face of an intake or an exhaust camshaft; and a tension spring that acts as an assisting spring for adjusting a relative position between both the rotors.Type: GrantFiled: November 22, 2004Date of Patent: December 12, 2006Assignee: Mitsubishiki Denki Kabushiki KaishaInventors: Koji Yudate, Hiroyuki Kinugawa, Akira Sakata, Makoto Yamauchi
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Patent number: 7017540Abstract: A valve timing adjusting device includes a first rotor that rotates synchronously with a crankshaft of an engine, a second rotor that is relatively rotatable by a predetermined angle within the first rotor and is secured on the end face of an intake or exhaust camshaft, and a lock mechanism that restricts a relative rotation between the first rotor and the second rotor. The receiving hole of the lock mechanism is a stepped structure having a small part provided at the outermost located radially to the device.Type: GrantFiled: September 27, 2004Date of Patent: March 28, 2006Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Hiroyuki Kinugawa, Koji Yudate
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Patent number: 7011058Abstract: A valve timing adjusting device including a first rotor, a lock pin for locking a relative rotation between the first rotor and a second rotor at the most advanced position, and operating by fluid control pressure to release the lock, wherein rotor start-up delaying means is provided for operating the lock pin by the fluid control pressure in the lock releasing direction, and then rotating the second rotor in the lagged direction when the second rotor starts rotating from the most advanced position to the lagged direction.Type: GrantFiled: April 27, 2004Date of Patent: March 14, 2006Assignee: Mitsubishi Denki Kabushiki KaishaInventor: Hiroyuki Kinugawa
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Patent number: 6971351Abstract: A region including an engaging hole is given surface treatment such as partial quench hardening by induction hardening for improving surface hardness of the region. The partial quench hardening by induction hardening provides the region with satisfactory mechanical strength or surface hardness enough for resisting deformation of the engaging hole and wear-out of an edge of opening of the engaging hole caused by putting in and out of the lock pin.Type: GrantFiled: February 20, 2004Date of Patent: December 6, 2005Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Hiroyuki Kinugawa, Makoto Yamauchi
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Publication number: 20050115527Abstract: A valve timing adjusting device includes a first rotor that rotates synchronously with a crankshaft of an engine, a second rotor that is relatively rotatable by a predetermined angle within the first rotor and is secured on the end face of an intake or exhaust camshaft, and a lock mechanism that restricts a relative rotation between the first rotor and the second rotor. The receiving hole of the lock mechanism is a stepped structure having a small part provided at the outermost located radially to the device.Type: ApplicationFiled: September 27, 2004Publication date: June 2, 2005Inventors: Hiroyuki Kinugawa, Koji Yudate
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Publication number: 20050109300Abstract: A valve timing adjusting device includes a first rotor that rotates synchronously with a crankshaft of an engine; a second rotor that is relatively rotatable by a predetermined angle within the first rotor, and is secured on the end face of an intake or an exhaust camshaft; and a tension spring that acts as an assisting spring for adjusting a relative position between both the rotors.Type: ApplicationFiled: November 22, 2004Publication date: May 26, 2005Inventors: Koji Yudate, Hiroyuki Kinugawa, Akira Sakata, Makoto Yamauchi
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Patent number: 6880505Abstract: Due to the fact that a regulator engages with an engagement aperture when hydraulic pressure is low due to unexpected decreases in engine rotation frequency during relative turning of a valve timing control device, the valve timing control device re-enters a regulated state. Control and running of regulation or release of relative rotation position of the valve timing control device by a regulator are performed by an external device distinct from the valve timing control device.Type: GrantFiled: May 19, 2004Date of Patent: April 19, 2005Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Hiroyuki Kinugawa, Akira Sakata, Makoto Yamauchi
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Publication number: 20050005887Abstract: Due to the fact that a regulator engages with an engagement aperture when hydraulic pressure is low due to unexpected decreases in engine rotation frequency during relative turning of a valve timing control device, the valve timing control device re-enters a regulated state. Control and running of regulation or release of relative rotation position of the valve timing control device by a regulator are performed by an external device distinct from the valve timing control device.Type: ApplicationFiled: May 19, 2004Publication date: January 13, 2005Inventors: Hiroyuki Kinugawa, Akira Sakata, Makoto Yamauchi