Patents by Inventor Aleksander G. Pipalov

Aleksander G. Pipalov 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).

  • Multicam and multichamber fluid machine with rotary positive sliding seals
    Patent number: 5135372
    Abstract: A rotary fluid machine including a plurality of fluid chambers defined by a housing and a rotor and by a plurality of lobes and seals engaging with the lobes provided on the housing and the rotor with the number of seals and lobes being unequal and fluid passageways provided in each of the plurality of chambers with alternate fluid passageways being connected together.
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: August 4, 1992
    Inventor: Aleksander G. Pipalov
  • Multi-chamber rotary lobe fluid machine with positive sliding seats
    Patent number: 5073097
    Abstract: A rotary fluid machine including a rotor provided with a plurality of lobes, a ring surrounding the rotor and with the lobes defining a plurality of chambers, a housing surrounding the ring and provided with a plurality of depressions which together with the ring define a plurality of chambers, a plurality of sealing vanes extending through the ring and engaging with the outer surface of the rotor and an inner surface of the housing, and fluid passages provided in the ring adjacent the sealing vanes with alternate fluid passages connected together.
    Type: Grant
    Filed: October 28, 1988
    Date of Patent: December 17, 1991
    Inventor: Aleksander G. Pipalov