Patents by Inventor Hideyuki Hachiya

Hideyuki Hachiya 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).

  • Armature windings of rotating electrical machines
    Patent number: 9722467
    Abstract: According to one embodiment, there is provided armature windings of a rotating electrical machine, in which a 3-phase winding of two layers including upper and lower layers is constituted of phase belts having an electrical phase difference of 60° in between, pairs of upper coil pieces and lower coil pieces are contained in slots, the number of slots per pole per phase includes a fractional number, and a denominator thereof is an integral number greater than or equal to 4, wherein coil arrangement is carried out such that at least one coil piece in either of the upper or lower coil pieces included in two layers of upper and lower layers in one phase belt is replaced with a coil piece of an adjacent different phase.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: August 1, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kadek Fendy Sutrisna, Hiroaki Ishizuka, Masashi Okubo, Toshiyuki Aso, Takashi Ueda, Kazuma Tsujikawa, Hideyuki Hachiya, Daisuke Hiramatsu, Toru Otaka
  • ARMATURE WINDINGS OF ROTATING ELECTRICAL MACHINES
    Publication number: 20140333170
    Abstract: According to one embodiment, there is provided armature windings of a rotating electrical machine, in which a 3-phase winding of two layers including upper and lower layers is constituted of phase belts having an electrical phase difference of 60° in between, pairs of upper coil pieces and lower coil pieces are contained in slots, the number of slots per pole per phase includes a fractional number, and a denominator thereof is an integral number greater than or equal to 4, wherein coil arrangement is carried out such that at least one coil piece in either of the upper or lower coil pieces included in two layers of upper and lower layers in one phase belt is replaced with a coil piece of an adjacent different phase.
    Type: Application
    Filed: May 9, 2014
    Publication date: November 13, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kadek Fendy SUTRISNA, Hiroaki Ishizuka, Masashi Okubo, Toshiyuki Aso, Takashi Ueda, Kazuma Tsujikawa, Hideyuki Hachiya, Daisuke Hiramatsu, Toru Otaka