Patents by Inventor Sergei P. Lebedich

Sergei P. Lebedich 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).

  • System for limiting rate of pressure rise in pipeline during hydraulic impact
    Patent number: 4182358
    Abstract: The system for limiting the rate of pressure rise in a pipeline during a hydraulic impact comprises a jet valve installed in the pipeline, an additional outlet of said valve being connected with a non-pressure dump tank via an actuator, and a pressuretight pneumatic compensator connected with the jet valve and, via a pressure transmitter, with a rate of pressure rise signal indicator whose outlet is connected with the membrane drive of the actuator.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: January 8, 1980
    Assignee: Vsesojuzny Nauchno-Issledovatelsky Institut Komplexnoi Avtomatizatsii Neftyanoi I Gazovoi Promyshlennosti
    Inventors: Alexandr V. Sinelnikov, Raisa S. Patushinskaya, Lazar I. Freidgeim, Anatoly A. Bizev, Larisa M. Druzhkova, Vyacheslav K. Salimov, Sergei P. Lebedich, Sergei L. Lvov, Margarita E. Minkina, Alexandr P. Shurygin, Valery S. Levin, Solmaz A. Faradzh-Zade, Igor V. Lebedev, deceased, by Marina I. Lebedeva, administrator