Patents by Inventor Gilya A. Raer

Gilya A. Raer 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).

  • Impeller of centrifugal compressor
    Patent number: 4863349
    Abstract: The invention relates to compressor manufacture. The impeller comprises a base disc (1) wherein, according to the invention, the angle (.beta.) between its internal surface (5) and the plane (p) perpendicular to the impeller rotation axis (0--0) is 0.5-1.degree. larger than the angle (.alpha.) between its external surface (4) and the same plane (p).
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: September 5, 1989
    Assignee: Proizvodstvennoe Obiedinenie Nevsky Zavod Imeni V.I. Lenina
    Inventors: Vladimir V. Arkhipov, Gennady F. Velikanov, Gilya A. Raer, Kir B. Sarantsev
  • Centrifugal compressor impeller
    Patent number: 4795311
    Abstract: An impeller, comprising a main disc (1), blades (2) and a covering disc (3) which consists of interconnected web (4) and ring (5). The joint of the web (4) and ring (5) is detachable to form mated surface (6 and 7) in the place of the joint and has on the surface (7) of the ring (5) an annular shoulder (8) and on the surface (6) of the web (4) an annular groove (9) accomodating the shoulder (8). The internal diameter Do of the web (4) is less than the diameter (D) of the ring (5) along their mated surfaces (6 and 7) by 1 to 1.5.times.10.sup.-3 Do.
    Type: Grant
    Filed: September 1, 1987
    Date of Patent: January 3, 1989
    Assignee: Proizvodstvennoe Obiedinenie "Nevsky Zavod" Imeni V.I. Lenina
    Inventors: Vladimir V. Arkhipov, Gennady F. Velikanov, Yakov S. Levin, Vadim S. Magdychansky, Gennady I. Petrov, Gilya A. Raer, Kir B. Sarantsev