Patents by Inventor Nikolai A. Kelin

Nikolai A. Kelin 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).

  • Multipolar rotor for electric machine with interpolar and polar magnets
    Patent number: 5013951
    Abstract: A multipolar rotor of an electric machine, essentially in the form of a circular cylinder, comprising an even number of pole magnets (1), which is equal to at least four, said pole magnets (1) being arranged uniformly along a circle and interpole magnets (2) adjacent thereto. The pole magnets (2) form, in combination, a cylindrical surface of the rotor. The pole magnets (1) are magnetized parallel to their planes (5) of symmetry, while the interpole magnets (2) are magnetized normal to their planes (6) of symmetry.
    Type: Grant
    Filed: April 19, 1990
    Date of Patent: May 7, 1991
    Inventors: Ivan P. Stadnik, Nikolai I. Klevets, Alexandr I. Gridnev, Nikolai A. Kelin, Anatoly F. Sitnikov