Patents by Inventor Vyacheslav N. Struzhkov

Vyacheslav N. Struzhkov 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).

  • Mechanical flotation machine
    Patent number: 4871448
    Abstract: A mechanical flotation machine comprises a flotation cell, a circulating pipe vertically installed therein, an axial impeller mounted in the lower portion of the pipe and a guide device secured to the lower end of the pipe. The guide device has an annular gap through which pulp flow generated by the impeller returns from the cell to the pipe. Vanes are installed in the annular gap to create, above the impeller, pulp flow rotating opposite to the rotation of the impeller.
    Type: Grant
    Filed: June 14, 1988
    Date of Patent: October 3, 1989
    Assignee: Gosudarstvenny Proektno-Konstruktorsky I Experimentalny Institut Po Obogatitelnomu Oborudovaniju
    Inventors: Valentin I. Dobryakov, Galina V. Zhevzhik, Valery A. Seballo, Evgeny V. Zhukov, Altar Z. Ententeev, Vyacheslav N. Struzhkov, Alexandr S. Gorbachev