Patents by Inventor Petr A. Usachev

Petr A. Usachev 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).

  • Electromagnetic separator
    Patent number: 4316542
    Abstract: The electromagnetic separator comprises a cylindrical housing with a conical bottom, a circular electromagnetic system embracing the separator housing on the outside, a cylindrical pulp feeding device with a paddle agitator, a system of disks, a wash water feeding device, a nonmagnetic product discharging device and a magnetic product discharge branch.In order to increase the efficiency of separator operation by providing the appropriate hydrodynamic conditions of pulp flow, the separator comprises a system of disks with holes. The disks are spaced apart and installed one under the other directly underneath the pulp feeding device. The bottom disk is provided with a wash water feeding device constructed in the form of a circular element with tangential branches, there being a gap around the outer side of said circular element.The paddle agitator is located inside the bottom part of the pulp feeding device whose top part is provided with tangential branches.
    Type: Grant
    Filed: July 15, 1980
    Date of Patent: February 23, 1982
    Inventors: Petr I. Zelenov, Petr A. Usachev, Jury V. Davydov, Vyacheslav P. Lyakhov, Irina M. Zelenova, Nikolai A. Aleinikov, Vladlen F. Sladkovich, Viktor I. Titov