Patents by Inventor Boris Mamaev

Boris Mamaev 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).

  • Turbine blade with bracket in tip region
    Patent number: 6565324
    Abstract: A turbine blade is provided with a bracket arranged in the tip region of the blade and projecting beyond the blade profile. The bracket is formed merely in a section of a surface region of the pressure side, the surface region being enclosed by an imaginary chord bearing against the pressure side of the blade body both in the region of the leading edge and in the region of the trailing edge.
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: May 20, 2003
    Assignee: ABB Turbo Systems AG
    Inventors: Bent Phillipsen, Boris Mamaev, Evgeny Ryabov
  • Turbomachine blade
    Patent number: 6520741
    Abstract: The object of the invention is to improve the efficiency of a turbomachine blade provided with a reinforced hole for accommodating a damping element. To this end, the raised end faces (12, 13) of the marginal region (11), reinforced toward the hole (10), of the blade body (4) are formed with an acute angle (&agr;) open toward the leading edge (5) of the blade body (4) and/or with an acute angle (&bgr;) open toward the blade tip (9).
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: February 18, 2003
    Assignee: ABB Turbo Systems AG
    Inventors: Bent Phillipsen, Boris Mamaev, Evgeny Ryabov