Patents by Inventor Hubert H. Vignau

Hubert H. 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).

  • System for regulating air supply conditions of a turbo shaft machine
    Patent number: 5484261
    Abstract: The invention provides a regulating system (23) for controlling the heating of the gases on the downstream side of the regulating system, attenuating the aerodynamic noise produced by the gyratory flow on the downstream side of the directing vanes (24) of the regulating system and facilitating the endoscopic inspection of the blades and vanes of a compressor (3) owing to the provision of a throughway passage (27) in the regulating system (23), and in particular a throughway opening in at least one directing vane (24).
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: January 16, 1996
    Assignee: Turbomeca
    Inventors: Pierre Biscay, Alain J. Farrando, Philippe D. Joubert, Jean-Bernard Martin, Hubert H. Vignau