Patents by Inventor Hideki Morikaku
Hideki Morikaku 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: 8698363Abstract: An electric rotating machine for a vehicle capable of reducing influence of leakage flux on a turning angle detector as much as possible and detecting a turning angle more accurately is provided. The electric rotating machine for a vehicle includes: a rotor core 12 that is fitted to a rotary shaft 7; a stator core 24 that is concentric with the rotor core 12 and disposed on the outside of the rotor core 12; and a resolver 31 acting as a turning angle detector that is disposed on one shaft end of the rotary shaft 7; in which the rotary shaft 7 itself is constituted to be magnetic flux interrupting means made of a non-magnetic material.Type: GrantFiled: May 8, 2008Date of Patent: April 15, 2014Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Yoshinobu Utsumi, Hideki Morikaku, Yoshihito Asao
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Patent number: 8595915Abstract: A stator of an electric rotating machine is improved in efficiency of inserting a winding assembly into slots and insulation performance after the insertion. The stator 8 acting as an armature includes an insulator 4 of a two-layer structure in which paper 9 is disposed on the stator winding side and resin 10 on the stator core side or a two-layer structure in which the paper and resin are disposed in a opposite manner, a stator core 2 in which plural slots 2a each extending in vertical axial direction are provided in circumferential direction, and a stator winding 3 wound round the stator core 2. The insulator 4 electrically insulates the stator core 2 and the stator winding 3.Type: GrantFiled: September 15, 2005Date of Patent: December 3, 2013Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Hideki Morikaku, Yoshihito Asao
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Patent number: 7579741Abstract: A rear-end bearing accommodating portion that has a floored cylindrical shape is formed integrally on a rear bracket. A brush apparatus is mounted to the rear bracket by mounting a slinger portion onto an end portion of a shaft so as to cover slip rings. A rectifier is mounted to the rear bracket in close proximity to the rear-end bearing accommodating portion and the slinger portion. A rolling bearing is configured into a creep preventing bearing in which a resin band is mounted into a ring-shaped recessed groove that is recessed into an outer circumferential surface of an outer ring. A first slit is disposed through the slinger portion so as to be positioned so as to face downward when mounted to a vehicle and so as to communicate between an internal portion and an external portion of the slinger portion.Type: GrantFiled: September 6, 2006Date of Patent: August 25, 2009Assignee: Mitsubishi Electric CorporationInventors: Hideki Morikaku, Yoshihito Asao
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Patent number: 7495360Abstract: Stator terminals are fastened between head portions and coupling seats in a state of surface contact by screwing relay members onto external screw thread portions of output terminal bolts. Three-phase wire terminals are fastened in a state of surface contact to end surfaces of the relay members at opposite ends from the coupling seats by screwing nuts onto the external screw thread portions of the output terminal bolts. In addition, insulating tubes are interposed between the relay members and extraction apertures so as to cover outer sides of the relay members.Type: GrantFiled: May 19, 2006Date of Patent: February 24, 2009Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Daisuke Imai, Masahiko Fujita, Masaru Kuribayashi, Yoshihito Asao, Hideki Morikaku
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Publication number: 20080284288Abstract: An electric rotating machine for a vehicle capable of reducing influence of leakage flux on a turning angle detector as much as possible and detecting a turning angle more accurately is provided. The electric rotating machine for a vehicle includes: a rotor core 12 that is fitted to a rotary shaft 7; a stator core 24 that is concentric with the rotor core 12 and disposed on the outside of the rotor core 12; and a resolver 31 acting as a turning angle detector that is disposed on one shaft end of the rotary shaft 7; in which the rotary shaft 7 itself is constituted to be magnetic flux interrupting means made of a non-magnetic material.Type: ApplicationFiled: May 8, 2008Publication date: November 20, 2008Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Yoshinobu Utsumi, Hideki Morikaku, Yoshihito Asao
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Patent number: 7339294Abstract: A vehicular starting and charging rotary electric machine includes a rotor, a stator, brackets, a brush, and a rotation detection sensor. The rotor has a field winding. The stator has a stator winding. The brackets supports the rotor and the stator. One end of the brush is brought into contact with the rotor to supply field current to the field winding of the rotor. The rotation detecting sensor is arranged coaxially with a rotating shaft of the rotor, for detecting a state of the rotor and functioning as a motor or a generator. The magnetic pole position detecting sensor is integrally fixed to the bracket.Type: GrantFiled: August 19, 2002Date of Patent: March 4, 2008Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Atsushi Oohashi, Katsuhiko Kusumoto, Hideki Morikaku, Yoshinobu Utsumi
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Publication number: 20070052319Abstract: A rear-end bearing accommodating portion that has a floored cylindrical shape is formed integrally on a rear bracket. A brush apparatus is mounted to the rear bracket by mounting a slinger portion onto an end portion of a shaft so as to cover slip rings. A rectifier is mounted to the rear bracket in close proximity to the rear-end bearing accommodating portion and the slinger portion. A rolling bearing is configured into a creep preventing bearing in which a resin band is mounted into a ring-shaped recessed groove that is recessed into an outer circumferential surface of an outer ring. A first slit is disposed through the slinger portion so as to be positioned so as to face downward when mounted to a vehicle and so as to communicate between an internal portion and an external portion of the slinger portion.Type: ApplicationFiled: September 6, 2006Publication date: March 8, 2007Inventors: Hideki Morikaku, Yoshihito Asao
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Publication number: 20060267424Abstract: Stator terminals are fastened between head portions and coupling seats in a state of surface contact by screwing relay members onto external screw thread portions of output terminal bolts. Three-phase wire terminals are fastened in a state of surface contact to end surfaces of the relay members at opposite ends from the coupling seats by screwing nuts onto the external screw thread portions of the output terminal bolts. In addition, insulating tubes are interposed between the relay members and extraction apertures so as to cover outer sides of the relay members.Type: ApplicationFiled: May 19, 2006Publication date: November 30, 2006Inventors: Daisuke Imai, Masahiko Fujita, Masaru Kuribayashi, Yoshihito Asao, Hideki Morikaku
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Patent number: 7122925Abstract: An accommodating space is formed on an end surface at a first axial end of a rear bracket so as to envelop an end portion region of a shaft, and a brush holder and a sensor unit are disposed in the accommodating space. A brush connector unit and a sensor connector unit are disposed so as to project out of the accommodating space, and electrical connection between brushes and the brush connector unit and signal connection between the sensor unit and the sensor connector unit are performed inside the accommodating space.Type: GrantFiled: November 19, 2004Date of Patent: October 17, 2006Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Yoshinobu Utsumi, Hideki Morikaku, Yoshihito Asao
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Patent number: 7021973Abstract: An output terminal board of this invention is capable of improving easy and simple installation of an electric rotating machine and wiring output harnesses so as to avoid thermal influence from a stator. The electric rotating machine 2 for vehicle acting as a moter or a generator includes brackets 7 and 15 on both front side (pulley side) and rear side of a stator. Further, the electric rotating machine 2 includes a stator three-phase output line output portion and is provided with an output terminal board 8 at one bracket 7, the output terminal board 8 having a terminal for connecting the three-phase output harnesses 6 connected to an external controller. This output terminal board 8 is disposed in such a manner as being capable of joining to the bracket 7 side on which the output terminal board 8 is mounted, and the three output harnesses 6 are taken out substantially in parallel to one another.Type: GrantFiled: October 29, 2003Date of Patent: April 4, 2006Assignee: Mitsubishi Denki Kagushisa KaishaInventors: Hideki Morikaku, Yoshihito Asao, Masaru Kuribayashi
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Publication number: 20060032041Abstract: A stator of an electric rotating machine is improved in efficiency of inserting a winding assembly into slots and insulation performance after the insertion. The stator 8 acting as an armature includes an insulator 4 of a two-layer structure in which paper 9 is disposed on the stator winding side and resin 10 on the stator core side or a two-layer structure in which the paper and resin are disposed in a opposite manner, a stator core 2 in which plural slots 2a each extending invertical axial direction are provided in circumferential direction, and a stator winding 3 wound round the stator core 2. The insulator 4 electrically insulates the stator core 2 and the stator winding 3.Type: ApplicationFiled: September 15, 2005Publication date: February 16, 2006Inventors: Hideki Morikaku, Yoshihito Asao
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Publication number: 20050146238Abstract: A stator of an electric rotating machine is improved in efficiency of inserting a winding assembly into slots and insulation performance after the insertion. The stator 8 acting as an armature includes an insulator 4 of a two-layer structure in which paper 9 is disposed on the stator winding side and resin 10 on the stator core side or a two-layer structure in which the paper and resin are disposed in a opposite manner, a stator core 2 in which plural slots 2a each extending in vertical axial direction are provided in circumferential direction, and a stator winding 3 wound round the stator core 2. The insulator 4 electrically insulates the stator core 2 and the stator winding 3.Type: ApplicationFiled: January 2, 2004Publication date: July 7, 2005Inventors: Hideki Morikaku, Yoshihito Asao
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Publication number: 20050110352Abstract: An accommodating space is formed on an end surface at a first axial end of a rear bracket so as to envelop an end portion region of a shaft, and a brush holder and a sensor unit are disposed in the accommodating space. A brush connector unit and a sensor connector unit are disposed so as to project out of the accommodating space, and electrical connection between brushes and the brush connector unit and signal connection between the sensor unit and the sensor connector unit are performed inside the accommodating space.Type: ApplicationFiled: November 19, 2004Publication date: May 26, 2005Inventors: Yoshinobu Utsumi, Hideki Morikaku, Yoshihito Asao
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Patent number: 6838805Abstract: A rotary electric machine for being mounted on an internal combustion engine of a vehicle or the like. The rotary electric machine includes a rotation shaft rotatably supported by a bracket; a rotor fixed to the rotation shaft; a stator which has a stator core disposed opposite to the outer periphery of the rotor and a stator winding mounted onto the stator core, and which is supported by the bracket; and a pulley engaged with an end of the rotation shaft to rotate integrally with the rotation shaft. The pulley and the rotation shaft are mutually engaged to form an engagement portion. The engagement portion includes a regulation means for regulating-sliding movement between the rotation shaft and the pulley in their peripheral direction.Type: GrantFiled: August 14, 2002Date of Patent: January 4, 2005Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Atsushi Oohashi, Katsuhiko Kusumoto, Hideki Morikaku, Yoshinobu Utsumi
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Patent number: 6806616Abstract: Pole core members of a rotor are fitted on a rotary shaft with claw-shaped magnetic poles engaged with one another from front and rear sides. Each of magnet mounting members for holding magnets against side surfaces of each magnetic pole has magnet retaining portions on both sides and a platelike middle portion. Located between two adjacent claw-shaped magnetic poles, each magnet produces a magnetic field oriented in a direction opposite to the direction of a magnetic flux formed between the adjacent claw-shaped magnetic poles. The claw-shaped magnetic pole has a stopper portion at its extreme end on an inclined inside surface. The magnet mounting member carrying the magnets in the magnet retaining portions is mounted on each claw-shaped magnetic pole with the middle portion of the magnet mounting member situated against the inclined inside surface of the magnetic pole, and a backup ring is fitted inside the magnet mounting members.Type: GrantFiled: October 28, 2003Date of Patent: October 19, 2004Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Hideki Morikaku, Yoshihito Asao
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Patent number: 6798108Abstract: An automotive alternator includes a case, a rotor disposed inside the case, the rotor including a rotor coil and claw-shaped magnetic poles covering the rotor coil, the claw-shaped magnetic poles being magnetized into North-seeking (N) and South-seeking (S) poles by a magnetic flux, a stator including a stator core provided with slots and a stator winding mounted to the stator core, brushes for supplying electric current from an electric power supply to the rotor coil, and a brush holding assembly secured to the case, the brush holding assembly being provided with a cover and a holding portion for holding the brushes within the holding portion, an open portion for removal and insertion of the brushes being formed at a position on the case facing the cover.Type: GrantFiled: November 19, 2001Date of Patent: September 28, 2004Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Tomoki Takahashi, Hideki Morikaku, Yoshihito Asao
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Publication number: 20040135464Abstract: Pole core members of a rotor are fitted on a rotary shaft with claw-shaped magnetic poles engaged with one another from front and rear sides. Each of magnet mounting members for holding magnets against side surfaces of each magnetic pole has magnet retaining portions on both sides and a platelike middle portion. Located between two adjacent claw-shaped magnetic poles, each magnet produces a magnetic field oriented in a direction opposite to the direction of a magnetic flux formed between the adjacent claw-shaped magnetic poles. The claw-shaped magnetic pole has a stopper portion at its extreme end on an inclined inside surface. The magnet mounting member carrying the magnets in the magnet retaining portions is mounted on each claw-shaped magnetic pole with the middle portion of the magnet mounting member situated against the inclined inside surface of the magnetic pole, and a backup ring is fitted inside the magnet mounting members.Type: ApplicationFiled: October 28, 2003Publication date: July 15, 2004Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Hideki Morikaku, Yoshihito Asao
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Publication number: 20040090132Abstract: An electric rotating machine for a vehicle capable of reducing influence of leakage flux on a turning angle detector as much as possible and detecting a turning angle more accurately is provided. The electric rotating machine for a vehicle includes: a rotor core 12 that is fitted to a rotary shaft 7; a stator core 24 that is concentric with the rotor core 12 and disposed on the outside of the rotor core 12; and a resolver 31 acting as a turning angle detector that is disposed on one shaft end of the rotary shaft 7; in which the rotary shaft 7 itself is constituted to be magnetic flux interrupting means made of a non-magnetic material.Type: ApplicationFiled: September 22, 2003Publication date: May 13, 2004Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Yoshinobu Utsumi, Hideki Morikaku, Yoshihito Asao
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Publication number: 20040092134Abstract: An output terminal board of this invention is capable of improving easy and simple installation of an electric rotating machine and wiring output harnesses so as to avoid thermal influence from a stator. The electric rotating machine 2 for vehicle acting as a moter or a generator includes brackets 7 and 15 on both front side (pulley side) and rear side of a stator. Further, the electric rotating machine 2 includes a stator three-phase output line output portion and is provided with an output terminal board 8 at one bracket 7, the output terminal board 8 having a terminal for connecting the three-phase output harnesses 6 connected to an external controller. This output terminal board 8 is disposed in such a manner as being capable of joining to the bracket 7 side on which the output terminal board 8 is mounted, and the three output harnesses 6 are taken out substantially in parallel to one another.Type: ApplicationFiled: October 29, 2003Publication date: May 13, 2004Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Hideki Morikaku, Yoshihito Asao, Masaru Kuribayashi
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Patent number: 6735071Abstract: During molding of a brush holder which is a resin-molded part in an alternator, a capacitor component is molded integrally with a capacitor positive electrode terminal and a capacitor negative electrode terminal joined by crimping to a positive terminal and a negative terminal, respectively. The capacitor component is thereby embedded in a first resin portion.Type: GrantFiled: July 8, 2002Date of Patent: May 11, 2004Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Atsushi Oohashi, Yoshihito Asao, Hideki Morikaku