Patents Assigned to Service Nationale Electricite de France
  • Buffer device for the spiral housings of water turbines and like machines
    Patent number: 4773820
    Abstract: A buffer device for the spiral housings of water turbines wherein the housing includes an extension located along the axis of the inlet conduit into the housing and wherein a hydraulic cylinder and piston assembly is disposed between the extension and a fixed support with a fluid conduit extending between the housing and the cavity of the hydraulic cylinder and piston assembly.
    Type: Grant
    Filed: March 10, 1987
    Date of Patent: September 27, 1988
    Assignees: Societe Neyrpic, Service Nationale Electricite de France
    Inventors: Bernard Lourdeaux, Patrick Huvet