Patents by Inventor Wataru Hirosue

Wataru Hirosue 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).

  • Rotating electrical machine
    Patent number: 9000645
    Abstract: The rotating electrical machine of the present invention includes: a magnet holder made of a non-magnetic material, which is formed by coupling a columnar portion for retaining the permanent magnet in a circumferential direction, and an annular portion for covering each axial side surface of the permanent magnet. The magnet holder includes, on an outer diameter side of both circumferential side surfaces of the columnar portion, engaging portions which engage with respective locking portions of the magnet cover, and includes, on an inner diameter side of each of both the circumferential side surfaces of the columnar portion, an extending portion extending along an inner peripheral surface of the magnet cover with a clearance (D) with respect to the inner peripheral surface of the magnet cover.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: April 7, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventors: Toshiyuki Onishi, Masafumi Okazaki, Katsumi Ohata, Akio Fujiwara, Wataru Hirosue
  • ROTATING ELECTRICAL MACHINE
    Publication number: 20130093277
    Abstract: The rotating electrical machine of the present invention includes: a magnet holder made of a non-magnetic material, which is formed by coupling a columnar portion for retaining the permanent magnet in a circumferential direction, and an annular portion for covering each axial side surface of the permanent magnet. The magnet holder includes, on an outer diameter side of both circumferential side surfaces of the columnar portion, engaging portions which engage with respective locking portions of the magnet cover, and includes, on an inner diameter side of each of both the circumferential side surfaces of the columnar portion, an extending portion extending along an inner peripheral surface of the magnet cover with a clearance (D) with respect to the inner peripheral surface of the magnet cover.
    Type: Application
    Filed: May 19, 2011
    Publication date: April 18, 2013
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Toshiyuki Onishi, Masafumi Okazaki, Katsumi Ohata, Akio Fujiwara, Wataru Hirosue