Patents by Inventor Mamoru Kawakubo
Mamoru Kawakubo 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: 10044239Abstract: A lead wire wiring component includes a lead wire guide that guides power supply lead wires and sensor lead wires to a lead wire leading component. The lead wire leading component includes projection portions that can be assembled to the lead wire guide. The projection portions are detached from the lead wire guide for molding such that the lead wire leading component is detached from the lead wire wiring component during the molding.Type: GrantFiled: March 19, 2014Date of Patent: August 7, 2018Assignee: Mitsubishi Electric CorporationInventors: Hiroki Aso, Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Junichiro Oya, Yuto Urabe
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Patent number: 9973060Abstract: The motor includes a molded stator; a cooling fan that is assembled to an end part of a shaft projecting from one end face of the molded stator; a fan cover that covers the cooling fan; a capacitor assembly box that is provided on the molded stator; and a foot plate that is provided on the molded stator. On an end face of the molded stator in an axial direction, a plurality of holes, each protruding from the end face, are formed; and a plurality of projections, each formed in positions opposite to a hole and press-fitted into its respective hole, are formed in the fan cover.Type: GrantFiled: December 28, 2012Date of Patent: May 15, 2018Assignee: Mitsubishi Electric CorporationInventors: Hiroki Aso, Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Junichiro Oya, Yuto Urabe
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Patent number: 9966814Abstract: A motor includes a molded stator; a cooling fan assembled to an end of a shaft protruding from one end face of the molded stator; a fan cover that covers the cooling fan; a capacitor assembly box installed to the molded stator and having a capacitor incorporated therein; a foot plate installed to the molded stator; and a bracket provided on the other end side of the molded stator. The fan cover is formed with a latched to the capacitor assembly box and a claw latched to the foot plate; and holes and to which the claws are latched are formed on the capacitor assembly box and the foot plate, respectively.Type: GrantFiled: October 5, 2012Date of Patent: May 8, 2018Assignee: Mitsubishi Electric CorporationInventors: Hiroki Aso, Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Junichiro Oya, Yuto Urabe
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Patent number: 9903372Abstract: A pump is provided that includes a molded stator having a substrate on which is mounted a magnetic-pole position detection element and that also includes a rotor having a rotor unit with one end thereof in an axial direction being opposed to the magnetic-pole position detection element and the other end thereof in the axial direction being provided with an impeller attachment unit. The rotor unit includes a magnet, a sleeve bearing, and a resin portion formed from a thermoplastic resin that is used for integrally molding the magnet and the sleeve bearing and that constitutes the impeller attachment unit. The magnet includes a plurality of through holes that each extend in the axial direction; and each of the through holes is embedded in the thermoplastic resin that constitutes a part of the resin portion.Type: GrantFiled: October 5, 2012Date of Patent: February 27, 2018Assignee: Mitsubishi Electric CorporationInventors: Yuto Urabe, Hiroki Aso, Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Junichiro Oya
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Patent number: 9705375Abstract: A molded motor made by molding, with a thermosetting resin, a stator, which includes: a stator core formed by stacking magnetic steel plates; an insulation portion applied to the stator core; a winding applied to the insulation portion; and a power supply terminal. On an insulation inner wall provided on an inner diameter side of the insulation portion, a plurality of inner wall protrusions formed at axial ends of the insulation inner wall on a counter wire-connection side of the stator core and abutting on a die, used when the stator is molded, are provided in a circumferential direction of the stator core.Type: GrantFiled: September 2, 2013Date of Patent: July 11, 2017Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Mineo Yamamoto, Mamoru Kawakubo, Hiroyuki Ishii, Hiroki Aso, Junichiro Oya, Yuto Urabe
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Publication number: 20160036279Abstract: A lead wire wiring component includes a lead wire guide that guides power supply lead wires and sensor lead wires to a lead wire leading component. The lead wire leading component includes projection portions that can be assembled to the lead wire guide. The projection portions are detached from the lead wire guide for molding such that the lead wire leading component is detached from the lead wire wiring component during the molding.Type: ApplicationFiled: March 19, 2014Publication date: February 4, 2016Inventors: Hiroki ASO, Mamoru KAWAKUBO, Mineo YAMAMOTO, Hiroyuki ISHII, Junichiro OYA, Yuto URABE
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Publication number: 20150340929Abstract: The motor includes a molded stator; a cooling fan that is assembled to an end part of a shaft projecting from one end face of the molded stator; a fan cover that covers the cooling fan; a capacitor assembly box that is provided on the molded stator; and a foot plate that is provided on the molded stator. On an end face of the molded stator in an axial direction, a plurality of holes, each protruding from the end face, are formed; and a plurality of projections, each formed in positions opposite to a hole and press-fitted into its respective hole, are formed in the fan cover.Type: ApplicationFiled: December 28, 2012Publication date: November 26, 2015Applicant: Mitsubishi Electric CorporationInventors: Hiroki ASO, Mamoru KAWAKUBO, Mineo YAMAMOTO, Hiroyuki ISHII, Junichiro OYA, Yuto URABE
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Publication number: 20150263581Abstract: A molded motor made by molding, with a thermosetting resin, a stator, which includes: a stator core formed by stacking magnetic steel plates; an insulation portion applied to the stator core; a winding applied to the insulation portion; and a power supply terminal. On an insulation inner wall provided on an inner diameter side of the insulation portion, a plurality of inner wall protrusions formed at axial ends of the insulation inner wall on a counter wire-connection side of the stator core and abutting on a die, used when the stator is molded, are provided in a circumferential direction of the stator core.Type: ApplicationFiled: September 2, 2013Publication date: September 17, 2015Inventors: Mineo Yamamoto, Mamoru Kawakubo, Hiroyuki Ishii, Hiroki Aso, Junichiro Oya, Yuto Urabe
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Publication number: 20150236561Abstract: A motor includes a molded stator; a cooling fan assembled to an end of a shaft protruding from one end face of the molded stator; a fan cover that covers the cooling fan; a capacitor assembly box installed to the molded stator and having a capacitor incorporated therein; a foot plate installed to the molded stator; and a bracket provided on the other end side of the molded stator. The fan cover is formed with a latched to the capacitor assembly box and a claw latched to the foot plate; and holes and to which the claws are latched are formed on the capacitor assembly box and the foot plate, respectively.Type: ApplicationFiled: October 5, 2012Publication date: August 20, 2015Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Hiroki ASO, Mamoru KAWAKUBO, Mineo YAMAMOTO, Hiroyuki ISHII, Junichiro OYA, Yuto URABE
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Publication number: 20150159656Abstract: A pump is provided that includes a molded stator having a substrate on which is mounted a magnetic-pole position detection element and that also includes a rotor having a rotor unit with one end thereof in an axial direction being opposed to the magnetic-pole position detection element and the other end thereof in the axial direction being provided with an impeller attachment unit. The rotor unit includes a magnet, a sleeve bearing, and a resin portion formed from a thermoplastic resin that is used for integrally molding the magnet and the sleeve bearing and that constitutes the impeller attachment unit. The magnet includes a plurality of through holes that each extend in the axial direction; and each of the through holes is embedded in the thermoplastic resin that constitutes a part of the resin portion.Type: ApplicationFiled: October 5, 2012Publication date: June 11, 2015Applicant: Mitsubishi Electric CorporationInventors: Yuto Urabe, Hiroki Aso, Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Junichiro Oya
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Patent number: 8912696Abstract: In a motor driven by a drive circuit such as an inverter, there is a problem that electric current flowing through a bearing causes electric corrosion, which impairs the durability of the bearing. A motor of the invention includes: a stator in which a winding is applied through an insulating part to a stator core formed by laminating a predetermined number of electromagnetic steel plates which have been punched into a predetermined shape; a rotor assembly in which a rotor and bearings and formed by rolling bearings are fitted to a shaft; a printed wiring board which is arranged at an end part of the stator in an axial direction and to which a drive circuit is mounted; a bracket imposed to at least the end part of the stator in the axial direction to which the printed wiring board is arranged; and a conductive sheet provided between the printed wiring board and the bracket.Type: GrantFiled: April 22, 2009Date of Patent: December 16, 2014Assignee: Mitsubishi Electric CorporationInventors: Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Hiroki Aso, Tomoyuki Hasegawa, Togo Yamazaki
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Patent number: 8601686Abstract: A manufacturing method of a water circulating pump including a shaft, a pump part having a first casing in which a first concavity is formed for receiving one end portion of the shaft to restrain rotation of the shaft. A stator part has a second casing in which a second concavity is formed for receiving another end portion of the shaft to restrain rotation of the shaft and a stator for rotating a rotor by electromagnetic interaction. The method includes inserting the another end portion of the shaft into a position corresponding to the second concavity of a mold for molding the second casing, and molding the second casing by injecting a thermoplastic resin into the mold for molding the second casing into which the another end portion of the shaft has been inserted.Type: GrantFiled: October 7, 2010Date of Patent: December 10, 2013Assignee: Mitsubishi Electric CorporationInventors: Noriaki Matsunaga, Hiroki Asou, Mineo Yamamoto, Mamoru Kawakubo
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Publication number: 20120025746Abstract: In a motor driven by a drive circuit such as an inverter, there is a problem that electric current flowing through a bearing causes electric corrosion, which impairs the durability of the bearing. A motor of the invention includes: a stator in which a winding is applied through an insulating part to a stator core formed by laminating a predetermined number of electromagnetic steel plates which have been punched into a predetermined shape; a rotor assembly in which a rotor and bearings and formed by rolling bearings are fitted to a shaft; a printed wiring board which is arranged at an end part of the stator in an axial direction and to which a drive circuit is mounted; a bracket imposed to at least the end part of the stator in the axial direction to which the printed wiring board is arranged; and a conductive sheet provided between the printed wiring board and the bracket.Type: ApplicationFiled: April 22, 2009Publication date: February 2, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Hiroki Aso, Tomoyuki Hasegawa, Togo Yamazaki
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Patent number: 8004125Abstract: An electric motor in which the cost of parts and the cost of processing are reduced by installing a fan cover, a capacitor installation box, and a foot plate on a molded stator without addition of installation parts. In the electric motor (200), the stator (100) is molded using a thermosetting resin. The stator (11) after the molding has a foot plate installation section (13) to which the foot plate (19) is installed, and prepared holes for screws for fixing the foot plate (19) are exposed on the foot plate installation section (13).Type: GrantFiled: April 19, 2007Date of Patent: August 23, 2011Assignee: Mitsubishi Electric CorporationInventors: Hiroki Asou, Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Tougo Yamazaki
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Patent number: 7999423Abstract: An object is to provide a motor that is designed to reduce the parts costs and the processing costs, without additional parts for fixing, by incorporating a fan cover, a condenser assembly box, and a foot plate into a molded stator. A motor 200 according to this invention has a stator 100, which is molded of a thermosetting resin as a molded stator 11. The motor 200 is characterized in that the molded stator 11 includes a foot plate mounting portion 13 where a foot plate 19 is mounted, and in that prepared holes for screw fixing of the foot plate 19 are exposed from a mold surface at the foot plate mounting portion 13.Type: GrantFiled: August 31, 2010Date of Patent: August 16, 2011Assignee: Mitsubishi Electric CorporationInventors: Hiroki Asou, Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Tougo Yamazaki
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Patent number: 7936116Abstract: An objective is to provide a motor stator that may achieve: a reduction in parts costs by shaping coil ends so that length thereof is reduced, thereby reducing the amount of use of copper, and minimizing the amount of use of binding strings for securing the coil ends in place; a reduction in manufacturing process costs by a structure which allows a protector and a wire lead outlet part to be easily assembled; and then an improvement in quality of a stator by firmly holding the coil ends and the protector.Type: GrantFiled: February 26, 2007Date of Patent: May 3, 2011Assignee: Mitsubishi Electric CorporationInventors: Hiroki Asou, Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Tougo Yamazaki
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Publication number: 20110083828Abstract: A highly efficient, long-life water circulating pump with reduced whirling of a rotor part of the pump is provided. At least one of a gap between an end portion of a shaft 17 and an upper casing axial hole 24a and a gap between an end portion of the shaft 17 and a lower casing axial hole 15a is filled with a filler for filling the gap.Type: ApplicationFiled: October 7, 2010Publication date: April 14, 2011Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Noriaki MATSUNAGA, Hiroki Asou, Mineo Yamamoto, Mamoru Kawakubo
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Publication number: 20100320848Abstract: An object is to provide a motor that is designed to reduce the parts costs and the processing costs, without additional parts for fixing, by incorporating a fan cover, a condenser assembly box, and a foot plate into a molded stator. A motor 200 according to this invention has a stator 100, which is molded of a thermosetting resin as a molded stator 11. The motor 200 is characterized in that the molded stator 11 includes a foot plate mounting portion 13 where a foot plate 19 is mounted, and in that prepared holes for screw fixing of the foot plate 19 are exposed from a mold surface at the foot plate mounting portion 13.Type: ApplicationFiled: August 31, 2010Publication date: December 23, 2010Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Hiroki ASOU, Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Tougo Yamazaki
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Publication number: 20100264757Abstract: An objective is to provide a motor stator that may achieve: a reduction in parts costs by shaping coil ends so that length thereof is reduced, thereby reducing the amount of use of copper, and minimizing the amount of use of binding strings for securing the coil ends in place; a reduction in manufacturing process costs by a structure which allows a protector and a wire lead outlet part to be easily assembled; and then an improvement in quality of a stator by firmly holding the coil ends and the protector.Type: ApplicationFiled: February 26, 2007Publication date: October 21, 2010Inventors: Hiroki Asou, Mamoru Kawakubo, Mineo Yamamoto, Hiroyuki Ishii, Tougo Yamazaki
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Patent number: 7777443Abstract: An energy saving service includes: a service contract conclusion step in which a service contract is concluded with a customer who has purchased or will purchase a product with a permanent magnet motor; a driving device provision step in which a driving device which can drive a permanent magnet motor with any specifications is provided on the basis of the service contract; and a product upgrade step in which the driving device drives the permanent magnet motor so as to improve the performance of the product with the permanent magnet motor, thereby upgrading the product with the permanent magnet motor.Type: GrantFiled: April 30, 2004Date of Patent: August 17, 2010Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Yosuke Shinomoto, Masaaki Yabe, Mamoru Kawakubo