Patents by Inventor Kenji Nakanoue

Kenji Nakanoue 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).

  • Patent number: 9899135
    Abstract: Provided is a device that reduces loss by means of a large-capacity, three-phase reactor device that eliminates high-frequency components arising in a power controller system used in solar power generation and the like. The present invention is provided with: a yoke core that uses an amorphous ribbon; magnetic leg cores formed into a fan shape using an amorphous ribbon; and a coil wound around the magnetic leg cores.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: February 20, 2018
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Kenji Nakanoue, Naoyuki Kurita
  • Publication number: 20170103843
    Abstract: Disclosed is a wound iron core (3) for a static apparatus in which magnetic paths in the inside of the wound iron core are subdivided to improve iron core characteristics. The iron core (3) is configured by using two or more kinds of magnetic materials (11 to 14) with different magnetic permeabilities to form laminated blocks with single plates or a plurality of laminated plates and by alternately arranging the laminated blocks with different magnetic permeabilities from the inner circumference. An iron core material (14) with large magnetic permeability out of iron core materials with different magnetic permeabilities is arranged on the inner circumference side. Further, when the iron core materials with different magnetic permeabilities are alternately arranged, the iron core materials (11) with the same magnetic permeability are configured to gradually change in thickness to ease an excessive magnetic flux density distribution in the iron core.
    Type: Application
    Filed: December 22, 2016
    Publication date: April 13, 2017
    Inventors: Kenji NAKANOUE, Kazuyuki FUKUI, Hidemasa YAMAGUCHI, Kouhei SATOU, Tatsuhito AZEGAMI, Makoto SHINOHARA, Toshiaki TAKAHASHI, Tooru HONMA, Masanao KUWABARA, Toshiki SHIRAHATA, Yuuji SATOU, Manabu DOHI, Ryosuke MIKOSHIBA, Hiroyuki ENDOU
  • Patent number: 9601256
    Abstract: Disclosed is a wound iron core (3) for a static apparatus in which magnetic paths in the inside of the wound iron core are subdivided to improve iron core characteristics. The iron core (3) is configured by using two or more kinds of magnetic materials (11 to 14) with different magnetic permeabilities to form laminated blocks with single plates or a plurality of laminated plates and by alternately arranging the laminated blocks with different magnetic permeabilities from the inner circumference. An iron core material (14) with large magnetic permeability out of iron core materials with different magnetic permeabilities is arranged on the inner circumference side. Further, when the iron core materials with different magnetic permeabilities are alternately arranged, the iron core materials (11) with the same magnetic permeability are configured to gradually change in thickness to ease an excessive magnetic flux density distribution in the iron core.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: March 21, 2017
    Assignee: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    Inventors: Kenji Nakanoue, Kazuyuki Fukui, Hidemasa Yamaguchi, Kouhei Satou, Tatsuhito Azegami, Makoto Shinohara, Toshiaki Takahashi, Tooru Honma, Masanao Kuwabara, Toshiki Shirahata, Yuuji Satou, Manabu Dohi, Ryosuke Mikoshiba, Hiroyuki Endou
  • Publication number: 20150179330
    Abstract: Provided is a device that reduces loss by means of a large-capacity, three-phase reactor device that eliminates high-frequency components arising in a power controller system used in solar power generation and the like. The present invention is provided with: a yoke core that uses an amorphous ribbon; magnetic leg cores formed into a fan shape using an amorphous ribbon; and a coil wound around the magnetic leg cores.
    Type: Application
    Filed: August 8, 2013
    Publication date: June 25, 2015
    Inventors: Kenji Nakanoue, Naoyuki Kurita
  • Patent number: 9041503
    Abstract: An amorphous transformer which includes an amorphous core formed of an amorphous material with a lap provided at an upper portion and allowed to stand in substantially a vertical direction while being supported at a core support member, and a coil which is fitted with the amorphous core. The core support member is formed by integrating a core support member for supporting a side surface of the amorphous core and a corner support member for supporting a corner portion of the core. The core support member is provided in substantially a vertical direction along at least one of the side surfaces of the core.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: May 26, 2015
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Ryosuke Mikoshiba, Hiroyuki Endo, Kenji Nakanoue, Toshiaki Takahashi, Tooru Honma
  • Patent number: 9013263
    Abstract: Disclosed is a wound iron core (3) for a static apparatus in which magnetic paths in the inside of the wound iron core are subdivided to improve iron core characteristics. The iron core (3) is configured by using two or more kinds of magnetic materials (11 to 14) with different magnetic permeabilities to form laminated blocks with single plates or a plurality of laminated plates and by alternately arranging the laminated blocks with different magnetic permeabilities from the inner circumference. An iron core material (14) with large magnetic permeability out of iron core materials with different magnetic permeabilities is arranged on the inner circumference side. Further, when the iron core materials with different magnetic permeabilities are alternately arranged, the iron core materials (11) with the same magnetic permeability are configured to gradually change in thickness to ease an excessive magnetic flux density distribution in the iron core.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: April 21, 2015
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Kenji Nakanoue, Kazuyuki Fukui, Hidemasa Yamaguchi, Kouhei Satou, Tatsuhito Azegami, Makoto Shinohara, Toshiaki Takahashi, Tooru Honma, Masanao Kuwabara, Toshiki Shirahata, Yuuji Satou, Manabu Dohi, Ryosuke Mikoshiba, Hiroyuki Endou
  • Publication number: 20150028977
    Abstract: Disclosed is a wound iron core (3) for a static apparatus in which magnetic paths in the inside of the wound iron core are subdivided to improve iron core characteristics. The iron core (3) is configured by using two or more kinds of magnetic materials (11 to 14) with different magnetic permeabilities to form laminated blocks with single plates or a plurality of laminated plates and by alternately arranging the laminated blocks with different magnetic permeabilities from the inner circumference. An iron core material (14) with large magnetic permeability out of iron core materials with different magnetic permeabilities is arranged on the inner circumference side. Further, when the iron core materials with different magnetic permeabilities are alternately arranged, the iron core materials (11) with the same magnetic permeability are configured to gradually change in thickness to ease an excessive magnetic flux density distribution in the iron core.
    Type: Application
    Filed: October 10, 2014
    Publication date: January 29, 2015
    Inventors: Kenji NAKANOUE, Kazuyuki FUKUI, Hidemasa YAMAGUCHI, Kouhei SATOU, Tatsuhito AZEGAMI, Makoto SHINOHARA, Toshiaki TAKAHASHI, Tooru HONMA, Masanao KUWABARA, Toshiki SHIRAHATA, Yuuji SATOU, Manabu DOHI, Ryosuke MIKOSHIBA, Hiroyuki ENDOU
  • Publication number: 20140028428
    Abstract: An amorphous transformer which includes an amorphous core formed of an amorphous material with a lap provided at an upper portion and allowed to stand in substantially a vertical direction while being supported at a core support member, and a coil which is fitted with the amorphous core. The core support member is formed by integrating a core support member for supporting a side surface of the amorphous core and a corner support member for supporting a corner portion of the core. The core support member is provided in substantially a vertical direction along at least one of the side surfaces of the core.
    Type: Application
    Filed: September 30, 2013
    Publication date: January 30, 2014
    Applicant: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    Inventors: Ryosuke MIKOSHIBA, Hiroyuki ENDO, Kenji NAKANOUE, Toshiaki TAKAHASHI, Tooru HONMA
  • Patent number: 8552830
    Abstract: An amorphous transformer which includes an amorphous core formed of an amorphous material with a lap provided at an upper portion and allowed to stand in substantially a vertical direction while being supported at a core support member, and a coil which is fitted with the amorphous core. The core support member is formed by integrating a core support member for supporting a side surface of the amorphous core and a corner support member for supporting a corner portion of the core. The core support member is provided in substantially a vertical direction along at least one of the side surfaces of the core.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: October 8, 2013
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Ryosuke Mikoshiba, Hiroyuki Endo, Kenji Nakanoue, Toshiaki Takahashi, Tooru Honma
  • Publication number: 20130147596
    Abstract: A reactor device is provided with a yoke section incorporating an elliptical wire-wound iron core and an iron-core leg section having wire-wound iron cores stacked one on another. The reactor device may have significantly deteriorated magnetic properties due to an abnormal current caused by a magnetic flux developed in the leg section. The short circuit of the abnormal current is cut by providing a cut portion from the center of the end surface of a wire-wound iron core in the leg section to the outer shape thereof and then insulating the cut portion. Use is made of a fixture jig to maintain the shape of the iron core even after the iron core has been cut, and at a final stage, use is made of a band or tape for maintaining the shape. The band used for maintaining the shape is adapted to prevent a magnetic flux developed in the iron core from making one turn.
    Type: Application
    Filed: July 6, 2011
    Publication date: June 13, 2013
    Applicant: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventor: Kenji Nakanoue
  • Patent number: 8375569
    Abstract: An apparatus for manufacturing a transformer core includes a drawing which draws magnetic sheet materials in parallel from winding bodies. A cutter cuts the sheet materials at predetermined positions substantially simultaneously to form sheets each with a different length. An overlapping unit forms a block-shaped laminate by laminating the cut magnetic sheet materials in length and forms a resultant laminate by laminating the formed block-shaped laminates. An annulation unit forms an annular structure of the resultant laminate so that the longer block-shaped laminate forms the outer annular portion and the shorter block-shaped laminate forms the inner annular portion. Both ends of the magnetic sheet materials are abutted or overlapped to locate the abutted or overlapped portions at annularly different positions between adjoining layers of the magnetic sheet materials. A control unit controls the drawing unit, cutter and overlapping unit.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: February 19, 2013
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Kazuyuki Fukui, Kenji Nakanoue, Takashi Kurata, Hisashi Koyama, Hidemasa Yamaguchi, Chikara Mizusawa
  • Publication number: 20130000795
    Abstract: There is provided an amorphous core annealing method in which the annealing temperature distribution within an iron core is regulated so that deterioration in the magnetic properties, which is caused by unevenness of the annealing temperature within the core, can be suppressed, and the annealing time can be shortened. In order to regulate the annealing temperature distribution within the amorphous core at the annealing time, a heater functioning as a heat source is held between laminated thin-film amorphous materials of an iron core, and annealing is performed. By uniformly regulating the annealing conditions within the core, deterioration in the magnetic properties, which is caused by unevenness of annealing, can be suppressed to a minimum. Also, an iron core of a special specification, for example, a core having a low core loss, or a core having a high magnetroresistance, can be manufactured by using different annealing conditions within the iron core.
    Type: Application
    Filed: January 18, 2011
    Publication date: January 3, 2013
    Applicant: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventor: Kenji Nakanoue
  • Publication number: 20120161915
    Abstract: An amorphous transformer which includes an amorphous core formed of an amorphous material with a lap provided at an upper portion and allowed to stand in substantially a vertical direction while being supported at a core support member, and a coil which is fitted with the amorphous core. The core support member is formed by integrating a core support member for supporting a side surface of the amorphous core and a corner support member for supporting a corner portion of the core. The core support member is provided in substantially a vertical direction along at least one of the side surfaces of the core.
    Type: Application
    Filed: July 15, 2011
    Publication date: June 28, 2012
    Inventors: Ryosuke MIKOSHIBA, Hiroyuki Endo, Kenji Nakanoue, Toshiaki Takahashi, Tooru Honma
  • Publication number: 20110234360
    Abstract: Disclosed is a wound iron core (3) for a static apparatus in which magnetic paths in the inside of the wound iron core are subdivided to improve iron core characteristics. The iron core (3) is configured by using two or more kinds of magnetic materials (11 to 14) with different magnetic permeabilities to form laminated blocks with single plates or a plurality of laminated plates and by alternately arranging the laminated blocks with different magnetic permeabilities from the inner circumference. An iron core material (14) with large magnetic permeability out of iron core materials with different magnetic permeabilities is arranged on the inner circumference side. Further, when the iron core materials with different magnetic permeabilities are alternately arranged, the iron core materials (11) with the same magnetic permeability are configured to gradually change in thickness to ease an excessive magnetic flux density distribution in the iron core.
    Type: Application
    Filed: August 26, 2009
    Publication date: September 29, 2011
    Inventors: Kenji Nakanoue, Kazuyuki Fukui, Hidemasa Yamaguchi, Kouhei Satou, Tatsuhito Azegami, Makoto Shinohara, Toshiaki Takahashi, Tooru Honma, Masanao Kuwabara, Toshiki Shirahata, Yuuji Satou, Manabu Dohi, Ryosuke Mikoshiba, Hiroyuki Endou
  • Publication number: 20110018674
    Abstract: A technology for manufacturing a transformer core with laminated structure draws the magnetic sheet materials in parallel from plural winding bodies around which the magnetic sheet material is wound like hoop, cuts the materials at predetermined positions substantially simultaneously to form plural magnetic sheet materials each with a different length, forms a block-shaped laminate by laminating the plural magnetic sheet materials in the order of length, and further laminates the block-shaped laminates in the order of length.
    Type: Application
    Filed: June 11, 2009
    Publication date: January 27, 2011
    Inventors: Kazuyuki Fukui, Kenji Nakanoue, Takashi Kurata, Hisashi Koyama, Hidemasa Yamaguchi, Chikara Mizusawa
  • Patent number: D714717
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: October 7, 2014
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Kenji Nakanoue, Naoyuki Kurita