Patents by Inventor Hubert Vignau

Hubert Vignau 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).

  • Diffuser having blades with apertures
    Patent number: 8641373
    Abstract: A diffuser for a mixed flow or centrifugal compressor of a gas turbine. The diffuser includes at least one vane presenting a pressure side, a suction side, and a first flank. The vane includes a plurality of orifices opening out into the suction side and/or the pressure side and communicating with at least one cavity formed in the vane, the cavity extending transversely relative to the vane and opening out into its first flank. The cross section of the cavity varies in the transverse direction of the vane, the cross section increasing towards the first flank.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: February 4, 2014
    Assignee: Turbomeca
    Inventors: Jérôme Porodo, Laurent Tarnowski, Hubert Vignau
  • DIFFUSER HAVING BLADES WITH APERTURES
    Publication number: 20110255962
    Abstract: A diffuser for a mixed flow or centrifugal compressor of a gas turbine. The diffuser includes at least one vane presenting a pressure side, a suction side, and a first flank. The vane includes a plurality of orifices opening out into the suction side and/or the pressure side and communicating with at least one cavity formed in the vane, the cavity extending transversely relative to the vane and opening out into its first flank. The cross section of the cavity varies in the transverse direction of the vane, the cross section increasing towards the first flank.
    Type: Application
    Filed: October 15, 2009
    Publication date: October 20, 2011
    Applicant: TURBOMECA
    Inventors: Jérôme Porodo, Laurent Tarnowski, Hubert Vignau