Patents by Inventor Bungo Mizutani

Bungo Mizutani 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).

  • Brushless motor and manufacturing method thereof
    Patent number: 7859155
    Abstract: A second ball bearing is installed from a first axial side toward a second axial side into an interior of a bearing holder of a rotor through an opening of the bearing holder, so that an outer race of the second ball bearing is press fitted to an inner peripheral portion of the interior of the bearing holder. A first ball bearing is inserted from the first axial side toward the second axial side into the interior of the bearing holder of the rotor through the opening of the bearing holder after the installing of the second ball bearing, so that an outer race of the first ball bearing is press fitted to the inner peripheral portion of the interior of the bearing holder and is axially spaced from the outer race of the second ball bearing.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: December 28, 2010
    Assignee: ASMO Co., Ltd.
    Inventors: Yoshimichi Sahara, Masato Ooishi, Tatsuya Kawai, Bungo Mizutani
  • BRUSHLESS MOTOR AND MANUFACTURING METHOD THEREOF
    Publication number: 20100299912
    Abstract: A second ball bearing is installed from a first axial side toward a second axial side into an interior of a bearing holder of a rotor through an opening of the bearing holder, so that an outer race of the second ball bearing is press fitted to an inner peripheral portion of the interior of the bearing holder. A first ball bearing is inserted from the first axial side toward the second axial side into the interior of the bearing holder of the rotor through the opening of the bearing holder after the installing of the second ball bearing, so that an outer race of the first ball bearing is press fitted to the inner peripheral portion of the interior of the bearing holder and is axially spaced from the outer race of the second ball bearing.
    Type: Application
    Filed: July 30, 2010
    Publication date: December 2, 2010
    Applicant: ASMO CO., LTD.
    Inventors: Yoshimichi Sahara, Masato Ooishi, Tatsuya Kawai, Bungo Mizutani
  • Brushless motor and manufacturing method thereof
    Patent number: 7800267
    Abstract: A second ball bearing is installed from a first axial side toward a second axial side into an interior of a bearing holder of a rotor through an opening of the bearing holder, so that an outer race of the second ball bearing is press fitted to an inner peripheral portion of the interior of the bearing holder. A first ball bearing is inserted from the first axial side toward the second axial side into the interior of the bearing holder of the rotor through the opening of the bearing holder after the installing of the second ball bearing, so that an outer race of the first ball bearing is press fitted to the inner peripheral portion of the interior of the bearing holder and is axially spaced from the outer race of the second ball bearing.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: September 21, 2010
    Assignee: Asmo Co., Ltd.
    Inventors: Yoshimichi Sahara, Masato Ooishi, Tatsuya Kawai, Bungo Mizutani
  • Brushless motor and manufacturing method thereof
    Publication number: 20090152967
    Abstract: A second ball bearing is installed from a first axial side toward a second axial side into an interior of a bearing holder of a rotor through an opening of the bearing holder, so that an outer race of the second ball bearing is press fitted to an inner peripheral portion of the interior of the bearing holder. A first ball bearing is inserted from the first axial side toward the second axial side into the interior of the bearing holder of the rotor through the opening of the bearing holder after the installing of the second ball bearing, so that an outer race of the first ball bearing is press fitted to the inner peripheral portion of the interior of the bearing holder and is axially spaced from the outer race of the second ball bearing.
    Type: Application
    Filed: November 20, 2008
    Publication date: June 18, 2009
    Applicant: ASMO CO., LTD.
    Inventors: Yoshimichi Sahara, Masato Ooishi, Tatsuya Kawai, Bungo Mizutani