Patents by Inventor Syoji Kishimoto

Syoji Kishimoto 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).

  • Rotary armature with cooling of commutator
    Patent number: 4513217
    Abstract: A commutator includes an annular end portion with a reduced diameter on each of its axially opposite sides formed by cutting away axially opposite end portions of a plurality of commutator segments included in the commutator into opposite steps, a shrink ring fitted onto the reduced diameter annular end portion remote from an armature clamp, a flanged shrink ring fitted onto the reduced diameter end portion near to the armature clamp and fitted onto a reduced diameter annular portion of an outer clamping ring of an L-shaped cross-section and supporting an armature coil, the shrink rings being formed of an insulating material.
    Type: Grant
    Filed: December 8, 1983
    Date of Patent: April 23, 1985
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Syoji Kishimoto