Patents by Inventor Robert G. Holz

Robert G. Holz 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).

  • Sealing ring for an axial compressor
    Patent number: 4767266
    Abstract: A system for sealing the peripheries of rotating rotor blades is disclosed in which a seal ring is mounted to the stationary casing adjacent the blade tips. The inner surface of the seal ring defines a plurality of grooves, each groove having a generally triangular shaped cross section. The longitudinal and radial dimensions of the grooves may be identical, or may vary along the longitudinal direction of the seal ring.
    Type: Grant
    Filed: March 13, 1987
    Date of Patent: August 30, 1988
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation (SNECMA)
    Inventors: Robert G. Holz, Georges Karadimas
  • Method and apparatus for correcting the imbalance of a turbojet engine rotor
    Patent number: 4667532
    Abstract: An apparatus for correcting the imbalance of a turbojet engine rotor is disclosed wherein a pair of counterbalanced weights are mounted in the interior of the rotor shaft. The relative positions of the counterbalance weights are mutually adjustable such that any residual imbalances may be counteracted. A tool for adjusting the weights and a method for utilizing the tool are also disclosed.
    Type: Grant
    Filed: February 22, 1985
    Date of Patent: May 26, 1987
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation-"S.N.E.C.M.A."
    Inventors: Robert G. Holz, Denis J. N. Vercherin
  • Mounting for rotating machine on a drive shaft
    Patent number: 4147945
    Abstract: A rotating machine mounted on a rotating shaft has a rotor turned by the ating shaft and a stator mounted for free rotation with respect to said shaft. The stator comprises a fly-wheel, ballasted at a point of its periphery and equipped with movable masses to compensate for imbalance in the case of accidental joining in rotation of the rotor and the stator. The disclosure shows an alternator mounted in the forward nose of an aircraft reactor, to supply power to devices located in the rotating parts.
    Type: Grant
    Filed: May 3, 1978
    Date of Patent: April 3, 1979
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation
    Inventors: Robert G. Holz, Jean-Robert Lesieux, Maurice R. Pigot