Patents by Inventor Kenji Sawatani

Kenji Sawatani 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).

  • Thrust bearing supporting device for an electric rotary machine
    Patent number: 4542995
    Abstract: A thrust bearing supporting device for an electric rotary machine comprises a plurality of supporting members fixed to a base plate within a bearing vessel for supporting a thrust bearing of said rotary machine, each of said supporting members consisting of a pair of supporting pieces, each of said supporting pieces having a recessed portion formed therein, wherein each of said supporting members is formed by placing one supporting piece on the other in face-to-face relationship thereby forming a space within each of said supporting members.
    Type: Grant
    Filed: June 22, 1983
    Date of Patent: September 24, 1985
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kazunori Shibasaki, Kenji Sawatani
  • Salient-pole rotor of a rotary electric machine
    Patent number: 4496863
    Abstract: Cooling medium flows from the rotor of a rotary electric machine from a rotor side towards an air gap side between the rotor and stator of the machine, wherein provision is made of guide vanes such that the cooling medium flows in a direction opposite to the direction in which the rotor rotates, reducing the angular momentum of the coolant to zero, to increase circulation efficiency.
    Type: Grant
    Filed: April 18, 1983
    Date of Patent: January 29, 1985
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Kenji Sawatani