Patents by Inventor Mikhail O. Bukchin

Mikhail O. Bukchin 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).

  • Method of making rotor blades of radial-axial hydraulic machines
    Patent number: 4164061
    Abstract: A method of making rotor blades of radial-axial hydraulic machines, wherein a plain blade blank is obtained by welding together at least two sheet pieces that compose the blank in the direction of principal variation of the cross-sectional thickness thereof. The thickness of each of said sheet pieces is selected to be not less than a maximum cross-sectional thickness of the blank at its portion defined by said sheet piece. Then the blank is machined until the required blade outline is obtained, after which the blade blank bent to obtain the desired blade shape.
    Type: Grant
    Filed: August 24, 1977
    Date of Patent: August 14, 1979
    Inventors: Grigory A. Bronovsky, Mikhail O. Bukchin, Alexandr I. Goldfarb