Patents by Inventor Evgeny A. Tretyakov

Evgeny A. Tretyakov 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).

  • Rotor for an asynchronous motor with multiple layered screen
    Patent number: 5001380
    Abstract: An asynchronous motor comprising a stator 1, a rotor including a core 2 and a multilayer screen 3. Each layer 4 of the screen 3 is made of an iron-containing alloy of high electrical conductivity, the value of electrical conductivity in each of the succeeding layers, in the direction of the rotor axis, being assumed to be decreasing.
    Type: Grant
    Filed: April 4, 1989
    Date of Patent: March 19, 1991
    Inventors: Nikolai P. Popov, Grigory N. Klotsvog, Andrei D. Plotnikov, Israfil T. Talyshinsky, Evgeny A. Tretyakov