Patents by Inventor Masaya Inoue
Masaya Inoue 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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Publication number: 20090302788Abstract: A regenerating braking system is provided, which includes: a synchronous motor with field coil excitation including a cylindrical stator coil, an inverter electrically connected to the stator coil, a battery electrically connected to the inverter, a rotor coil provided in an internal space of the stator coil, a two-way switch electrically connected to the rotor coil, and a capacitor electrically connected to the two-way switch; and a controller, wherein when the first differential calculus of acceleration of a load on the synchronous motor becomes negative, the controller stores regenerative power regenerated in the rotor coil from the stator coil, in the capacitor through the two-way switch, and wherein the controller supplies the regenerative power stored in the capacitor to the rotor coil through the two-way switch.Type: ApplicationFiled: June 4, 2009Publication date: December 10, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kenrou Mitsuda, Masaya Inoue, Ikurou Suga, Akihiro Daikoku
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Patent number: 7605519Abstract: A magnet seat is disposed on a second yoke portion and projects into respective spaces between circumferentially-adjacent pairs of second claw-shaped magnetic pole portions, and permanent magnets are disposed only near the second yoke portion so as to be held by the magnet seat so as to face an inner circumferential surface near a tip end of each of a plurality of first claw-shaped magnetic pole portions. Each of the permanent magnets is magnetically oriented in a reverse direction to an orientation of a magnetic field that a field coil produces.Type: GrantFiled: August 11, 2008Date of Patent: October 20, 2009Assignee: Mitsubishi Electric CorporationInventors: Masao Morita, Masaya Inoue, Kanji Shinkawa, Toshiyuki Yoshizawa, Moriyuki Hazeyama, Shinji Nishimura
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Patent number: 7560851Abstract: A dynamoelectric machine includes: a permanent magnet holding portion that is disposed integrally so as to project from the yoke portion on a portion of the pair of yoke portions that faces an inner circumferential surface near a tip end of the plurality of claw-shaped magnetic pole portions; an arc-shaped magnet holding aperture that has a C-shaped cross section that is formed in each of the permanent magnet holding portions so as to have an aperture center that is oriented axially, in which at least one axial end is open, and that opens radially outward; a magnet holding member that is made of a nonmagnetic material that is fitted into and held by the magnet holding aperture; and a permanent magnet that is held by the magnet holding member so as to face the inner circumferential surface near the tip end of the claw-shaped magnetic pole portions, that is prepared into a prismatic body that has a quadrilateral cross section perpendicular to an axial direction, and that is magnetically oriented in a reverse diType: GrantFiled: June 18, 2008Date of Patent: July 14, 2009Assignee: Mitsubishi Electric CorporationInventors: Masaya Inoue, Kanji Shinkawa, Shinji Nishimura, Hiroyuki Akita, Toshiyuki Yoshizawa, Moriyuki Hazeyama, Norihiro Murata, Masao Morita
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Publication number: 20090066175Abstract: A magnet seat is disposed on a second yoke portion and projects into respective spaces between circumferentially-adjacent pairs of second claw-shaped magnetic pole portions, and permanent magnets are disposed only near the second yoke portion so as to be held by the magnet seat so as to face an inner circumferential surface near a tip end of each of a plurality of first claw-shaped magnetic pole portions. Each of the permanent magnets is magnetically oriented in a reverse direction to an orientation of a magnetic field that a field coil produces.Type: ApplicationFiled: August 11, 2008Publication date: March 12, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Masao MORITA, Masaya Inoue, Kanji Shinkawa, Toshiyuki Yoshizawa, Moriyuki Hazeyama, Shinji Nishimura
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Publication number: 20090019852Abstract: An electric motor-generator and an engine are linked using a first belt that is looped around a crank pulley that is mounted to a crank shaft and a one-way clutch pulley that is mounted to a rotating shaft. An electronic control unit drives the electric motor-generator as an electric motor and drives the compressor by the electric motor-generator if engine speed is less than or equal to a predetermined value.Type: ApplicationFiled: July 9, 2008Publication date: January 22, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Masaya INOUE, Yoshihito Asao
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Publication number: 20090009021Abstract: First and second magnet holding apertures are disposed through first and second permanent magnet holding seats that are disposed so as to protrude from first and second yoke portions so as to have aperture centers that are oriented in an axial direction. Cylindrical resin first and second magnet loading portions are disposed so as to project integrally on first and second fans such that central axes thereof are oriented in the axial direction, and first and second permanent magnets are insert-molded into the first and second magnet loading portions. The first and second fans are fixed to first and second pole cores by fitting the first and second magnet loading portions together with the first and second magnet holding apertures.Type: ApplicationFiled: July 1, 2008Publication date: January 8, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kanji Shinkawa, Masaya Inoue, Hiroyuki Akita, Norihiro Murata, Toshiyuki Yoshizawa, Shinji Nishimura
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Publication number: 20080315701Abstract: A dynamoelectric machine includes: a permanent magnet holding portion that is disposed integrally so as to project from the yoke portion on a portion of the pair of yoke portions that faces an inner circumferential surface near a tip end of the plurality of claw-shaped magnetic pole portions; an arc-shaped magnet holding aperture that has a C-shaped cross section that is formed in each of the permanent magnet holding portions so as to have an aperture center that is oriented axially, in which at least one axial end is open, and that opens radially outward; a magnet holding member that is made of a nonmagnetic material that is fitted into and held by the magnet holding aperture; and a permanent magnet that is held by the magnet holding member so as to face the inner circumferential surface near the tip end of the claw-shaped magnetic pole portions, that is prepared into a prismatic body that has a quadrilateral cross section perpendicular to an axial direction, and that is magnetically oriented in a reverse diType: ApplicationFiled: June 18, 2008Publication date: December 25, 2008Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Masaya Inoue, Kanji Shinkawa, Shinji Nishimura, Hiroyuki Akita, Toshiyuki Yoshizawa, Moriyuki Hazeyama, Norihiro Murata, Masao Morita
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Publication number: 20080318729Abstract: An engine, an electric motor-generator, an oil pump, an air conditioner, and a first power transmitting means that performs power transmission among a crank shaft of the engine, a rotating shaft of the electric motor-generator, and rotating shafts of the oil pump and the air conditioner are included. The first power transmitting means has: a crank pulley; a first electric motor-generator pulley; an oil pump pulley; an air conditioner pulley; a first belt that is wound around these pulleys; and a first one-way clutch that is interposed between the rotating shaft and the first electric motor-generator pulley so as to transmit a rotational driving force from the crank shaft to the rotating shaft without transmitting a rotational driving force from the rotating shaft to the crank shaft, and the electric motor-generator is motor driven while the engine is being driven.Type: ApplicationFiled: December 7, 2007Publication date: December 25, 2008Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Yoshihito Asao, Masaya Inoue
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Publication number: 20080238242Abstract: The dynamoelectric machine includes: a Lundell rotor that has: a pole core in which tapered claw-shaped magnetic pole portions are arranged in rows circumferentially so as to extend axially alternately from two axial ends and intermesh with each other; and a field coil that is mounted to the pole core; and a stator that has: a cylindrical stator core that surrounds the rotor so as to have a predetermined air gap; and a stator coil that is mounted to the stator core. The stator core is prepared by laminating and integrating dull finish magnetic steel plates, and a space factor of an iron portion in the stator core is in a range of 96 percent plus or minus 0.5 percent.Type: ApplicationFiled: March 28, 2008Publication date: October 2, 2008Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Toshiyuki YOSHIZAWA, Haruyuki Kometani, Shinji Nishimura, Masahiko Fujita, Masaya Inoue
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Patent number: 7414343Abstract: A hybrid-excited rotating machine comprising: a stator winding of a multi-phase Y-connection; a plurality of rotor magnetic poles fixed on a rotor shaft 3 at a predetermined spacing in the circumferential direction and confronting the inner circumference of said stator through a air gap; a plurality of permanent magnets fixed at substantially central portions of said circumferential direction of said individual rotor magnetic poles and magnetized in the radial direction of said rotor shaft; and a plurality of field windings wound individually on said rotor magnetic poles.Type: GrantFiled: September 15, 2006Date of Patent: August 19, 2008Assignee: Mitsubishi Electric CorporationInventors: Hideaki Arita, Masaya Inoue, Yoshihito Asao, Tsunenobu Yamamoto
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Patent number: 7382071Abstract: A variable-speed rotating electric machine includes at least two armatures having respective armature coils for multiple phases, and a rotor having permanent magnets. The armatures are arranged concentrically with each other in such a manner that electrical angular positions of the individual armatures can be relatively varied in a circumferential direction. The armature coils of each phase are series-connected and the rotor is arranged concentrically with the armatures on the inside thereof.Type: GrantFiled: November 29, 2005Date of Patent: June 3, 2008Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Masao Morita, Kouki Naka, Masaya Inoue, Akira Hashimoto
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Patent number: 7272484Abstract: A control apparatus for an internal combustion engine can effectively suppress the rotational fluctuation of the engine by properly controlling the operating state of a rotating electrical machine without applying an excessive load to a power supply system connected to the rotating electrical machine. The rotating electrical machine is used for both electric operation and electric power generation, and is connected to the engine. A control circuit controls at least one of a field current and an armature current of the rotating electrical machine. A power supply system is connected to the rotating electrical machine. A rotational fluctuation suppression section (ECU) suppresses the rotational fluctuation of the engine by controlling an amount of electric power and generated torque of the rotating electrical machine in accordance with an electric power load of the vehicle, an amount of electric power of the power supply system, and the rotational speed of the rotating electrical machine.Type: GrantFiled: November 3, 2006Date of Patent: September 18, 2007Assignee: Mitsubishi Electric CorporationInventors: Naohide Maeda, Masahiko Fujita, Masaya Inoue
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Publication number: 20070090713Abstract: A hybrid-excited rotating machine comprising: a stator winding 12 of a multi-phase Y-connection; a plurality of rotor magnetic poles 21, 22, 23, 24, 25, 26, 27, 28 fixed on a rotor shaft 3 at a predetermined spacing in the circumferential direction and confronting the inner circumference of said stator 1 through a air gap; a plurality of permanent magnets 51, 52, 53, 54, 55, 56, 57, 58 fixed at substantially central portions of said circumferential direction of said individual rotor magnetic poles and magnetized in the radial direction of said rotor shaft; and a plurality of field windings 61, 62, 63, 64, 65, 66, 67, 68 wound individually on said rotor magnetic poles.Type: ApplicationFiled: September 15, 2006Publication date: April 26, 2007Inventors: Hideaki Arita, Masaya Inoue, Yoshihito Asao, Tsunenobu Yamamoto
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Patent number: 7170202Abstract: In a linear motor according to this invention, the field permanent magnets 2 are arranged at an equal pitch around a field iron core 1 so that the poles are alternately changed. Also, an armature 3a on the needle side is arranged oppositely via a magnetic gap on a magnetic pole face of the field permanent magnets 2. The armature 3a consists of an armature core forming the teeth and a yoke portion by punching an electromagnetic steel plate like the comb teeth, coil being wound around a plurality of teeth 4u, 4v and 4w for this armature core to form the armature windings 5u, 5v and 5w. The teeth 6a without coil winding is disposed between teeth with coil winding 4u and 4v and between teeth with coil winding 4v and 4w. The teeth 4u, 4v and 4w with coil winding and the teeth 6a without coil winding are alternately arranged.Type: GrantFiled: April 11, 2003Date of Patent: January 30, 2007Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Akira Watarai, Kouki Naka, Kazumasa Itou, Masaya Inoue, Michio Nakamoto
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Publication number: 20060214526Abstract: A variable-speed rotating electric machine includes at least two armatures having respective armature coils for multiple phases, and a rotor having permanent magnets. The armatures are arranged concentrically with each other in such a manner that electrical angular positions of the individual armatures can be relatively varied in a circumferential direction. The armature coils of each phase are series-connected and the rotor is arranged concentrically with the armatures on the inside thereof.Type: ApplicationFiled: November 29, 2005Publication date: September 28, 2006Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Masao Morita, Kouki Naka, Masaya Inoue, Akira Hashimoto
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Publication number: 20060192457Abstract: An electric rotating machine comprises: a stator in which a coil is wound on a plurality of teeth in concentrated winding, and the coil is connected to a three-phase power supply; and a rotor disposed in opposition to the teeth of the stator; wherein a ratio between the number of poles and the number of slots of the stator is 1:3. There is no higher harmonics of magnetomotive force in low order close to fundamental wave, thus enabling efficient operation of the electric rotating machine. Furthermore, owing to the stator of concentrated winding, it is possible to provide an electric rotating machine of high productivity with small coil end, high mass production, and high space factor.Type: ApplicationFiled: February 17, 2006Publication date: August 31, 2006Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Misa Nakayama, Kouki Naka, Masao Morita, Masaya Inoue, Akihiro Shimada
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Publication number: 20050173991Abstract: In a linear motor according to this invention, the field permanent magnets 2 are arranged at an equal pitch around a field iron core 1 so that the poles are alternately changed. Also, an armature 3a on the needle side is arranged oppositely via a magnetic gap on a magnetic pole face of the field permanent magnets 2. The armature 3a consists of an armature core forming the teeth and a yoke portion by punching an electromagnetic steel plate like the comb teeth, coil being wound around a plurality of teeth 4u, 4v and 4w for this armature core to form the armature windings 5u, 5v and 5w. The teeth 6a without coil winding is disposed between teeth with coil winding 4u and 4v and between teeth with coil winding 4v and 4w. The teeth 4u, 4v and 4w with coil winding and the teeth 6a without coil winding are alternately arranged.Type: ApplicationFiled: April 11, 2003Publication date: August 11, 2005Inventors: Akira Watarai, Kouki Naka, Kazumasa Itou, Masaya Inoue, Michio Nakamoto
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Patent number: 6888329Abstract: A method of controlling an electric rotating machine for a vehicle includes an electric rotating machine (1) including a rotator having a field winding (5) and a stator having an armature winding (3), a field current controller (9) for controlling a field current supplied from a direct-current power supply to the field winding (5), and a power converter (6) for converting a direct-current power into an alternating-current power and applying the power to the armature winding (3). When the field current controller (9) starts to supply a current to the field winding (5) for starting an internal combustion engine, the power converter (6) supplies a power to the armature winding (3) so that magnetic flux in a direction opposite to that generated by the field winding (5) is generated simultaneously with or immediately before starting the power supply.Type: GrantFiled: June 11, 2003Date of Patent: May 3, 2005Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Masaya Inoue, Haruyuki Kometani, Toshiyuki Yoshizawa, Masahiko Fujita, Tsunenobu Yamamoto, Yoshihito Asao, Shinji Nishimura
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Patent number: 6847150Abstract: A rotating electrical machine for a vehicle includes a stator having a multi-phase armature winding, a rotor having a pair of field cores which rotate together with a rotating shaft, and a field winding for magnetizing the pair of field cores, the pair of field cores respectively includes magnetic poles extending in an axial direction of the rotating shaft and being arranged to alternately engage with each other through a predetermined clearance Dc, each of the magnetic poles having a width in a rotation direction thereof is formed in a stair shape to be smaller toward a tip of the width, and the clearance Dc between adjacent the magnetic poles is set within a range from 50° to 70° in electrical angle. As a result, the rotating electrical machine for a vehicle can be obtained in which exciting force of harmonic components is reduced, electromagnetic noise, torque ripple and the like are effectively suppressed, and the productivity is excellent.Type: GrantFiled: November 3, 2003Date of Patent: January 25, 2005Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Haruyuki Kometani, Masaya Inoue, Yoshihito Asao, Masahiko Fujita, Toshiyuki Yoshizawa, Hiroyuki Akita
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Publication number: 20040140731Abstract: A rotating electrical machine for a vehicle includes a stator having a multi-phase armature winding, a rotor having a pair of field cores which rotate together with a rotating shaft, and a field winding for magnetizing the pair of field cores, the pair of field cores respectively includes magnetic poles extending in an axial direction of the rotating shaft and being arranged to alternately engage with each other through a predetermined clearance Dc, each of the magnetic poles having a width in a rotation direction thereof is formed in a stair shape to be smaller toward a tip of the width, and the clearance Dc between adjacent the magnetic poles is set within a range from 50° to 70° in electrical angle. As a result, the rotating electrical machine for a vehicle can be obtained in which exciting force of harmonic components is reduced, electromagnetic noise, torque ripple and the like are effectively suppressed, and the productivity is excellent.Type: ApplicationFiled: November 3, 2003Publication date: July 22, 2004Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Haruyuki Kometani, Masaya Inoue, Yoshihito Asao, Masahiko Fujita, Toshiyuki Yoshizawa, Hiroyuki Akita