Patents by Inventor Leonid I. Semenkov

Leonid I. Semenkov 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).

  • Direct current machine stator
    Patent number: 4363987
    Abstract: Stator of a direct current electrical machine comprises a support structure (1) defined by a pair of frame members (4) and beams (2), the latter being disposed around the center line (3) of the stator with the ends thereof affixed to the frame members (4), and a magnetic circuit (7) having a yoke (8) and pole pieces (9 and 10) secured to the yoke (8). The yoke is in the form of a single continuous band coiled into a cylindrical spiral, each turn of the spiral embracing by a wider side thereof all the beams (2) of the support structure (1).
    Type: Grant
    Filed: February 4, 1981
    Date of Patent: December 14, 1982
    Inventors: Ljudmila A. Vorotyntseva, Eduard A. Florinsky, Leonid I. Semenkov, Valentin S. Sysoev