Patents by Inventor Ryou Kawai

Ryou Kawai 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).

  • Insulator, and stator and motor provided with same
    Patent number: 9024500
    Abstract: An insulator includes a main body, a latching portion, and a slot. The main body covers a portion of a stator core around which a coil is wound to insulate the stator core from the coil. The latching portion is disposed at an end of a portion of the main body around which the coil is wound to latch the coil onto the main body. The slot is formed so as to expose the coil at a portion of the latching portion on a side where cooling oil for cooling the coil is supplied to the coil.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: May 5, 2015
    Assignee: Komatsu Ltd.
    Inventors: Takaaki Kimura, Yukihiko Sugimoto, Ryou Kawai
  • INSULATOR, AND STATOR AND MOTOR PROVIDED WITH SAME
    Publication number: 20130115064
    Abstract: An insulator includes a main body, a latching portion, and a slot. The main body covers a portion of a stator core around which a coil is wound to insulate the stator core from the coil. The latching portion is disposed at an end of a portion of the main body around which the coil is wound to latch the coil onto the main body. The slot is formed so as to expose the coil at a portion of the latching portion on a side where cooling oil for cooling the coil is supplied to the coil.
    Type: Application
    Filed: March 26, 2012
    Publication date: May 9, 2013
    Inventors: Takaaki Kimura, Yukihiko Sugimoto, Ryou Kawai