Patents by Inventor Yoshihiro Miyama

Yoshihiro Miyama 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).

  • Publication number: 20120299407
    Abstract: A first inverter ventilation aperture is disposed so as to pass through a portion of a fin base that faces a bearing, a first rotor ventilation aperture is disposed so as to pass through a portion of a bottom surface portion that faces the bearing, and a first cooling airflow ventilation channel is formed in which a cooling airflow flows radially inward through radiating fins, then flows toward a first surface side of a mount portion through the first inverter ventilation aperture, flows axially through an interior portion of a stator core, and then flows out between the bottom surface portion and a base portion through the first rotor ventilation aperture, and subsequently flows radially outward between the bottom surface portion and the base portion due to rotational driving of a centrifugal fan.
    Type: Application
    Filed: January 20, 2011
    Publication date: November 29, 2012
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshihiro Miyama, Moriyuki Hazeyama, Masaya Inoue, Yoshiko Obiraki, Tatsuya Kitamura