Patents by Inventor Gennady Petrovich Koshelenko

Gennady Petrovich Koshelenko 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).

  • Axial-piston hydraulic machine
    Patent number: 4117770
    Abstract: An axial-piston hydraulic machine with a rotating cylinder block. The axial bores of said cylinder block accommodate reciprocating pistons. Said pistons restrict the working chambers some of which communicate through a passage with a high-pressure zone while the others communicate through a passage with a low-pressure zone. The surface of each working chamber at its minimum volume is spherical and merges smoothly with the passage.
    Type: Grant
    Filed: May 13, 1976
    Date of Patent: October 3, 1978
    Inventors: Gennady Petrovich Koshelenko, Rafail Moiseevich Pasynkov, Mikhail Alexandrovich Sin, Leonid Isaakovich Shemper