Patents by Inventor Veniamin Filippovich Ovchinnikov

Veniamin Filippovich Ovchinnikov 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).

  • Electric motor of a submersible pump
    Patent number: 6218754
    Abstract: An electric motor of a submersible pump includes a body (1) with a core (2) of a stator arranged therein, in slots (9) of a tooth zone (8) of which multiturn sections of a two-layer winding are disposed with face parts, and a rotor (5). The core (2) of the stator comprises two parts (6, 7), an inner part with slots (9) open to the side of the periphery of the part (6), and an outer part (7) that is an annular yoke. Each section of the stator winding has a substantially square cross section and is formed by turns (12) of wire of substantially rectangular cross section, the turns lying adjacent each other along their large surfaces, wherein a first and a second side of each section are positioned in different layers (13, 14) of the two-layer winding so that in each slot (9) the large surfaces of the turns (12) in the layers (13, 14) of the winding are oriented mutually perpendicular, and the height of the face parts does not exceed the height of the slot (9).
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: April 17, 2001
    Assignees: Otkrytoe Aktsionernoe Obschestvo Neftyanaya Kompania “Lukoil”, Obschestvo & Ogranichennoi Otvetstvennostju
    Inventors: Vagit Jusufovich Alekperov, Ravil Ulfatovich Maganov, Veniamin Filippovich Ovchinnikov, Vitaly Fedorovich Lesnichy, Alexandr Vasilievich Bezzubov, Valery Isaakovich Graifer, Vladimir Ivanovich Pavlenko, Vladimir Iosifovich Sagalovsky, Oleg Grigorievich Klochkov