Patents by Inventor Bernard L. Robert

Bernard L. Robert 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).

  • Patent number: 4185878
    Abstract: A rotating-shaft hydrostatic bearing of the type comprising a support circuit including opposed support chambers around the shaft receiving fluid under pressure and having a constant leakage with respect to the shaft, a radial position detection circuit for the shaft in the bearing including opposed detection chambers around the shaft receiving fluid under pressure and having a constant leakage with respect to the shaft, a device for servoing the shaft in position activated by the detection circuit and acting on the support circuit, the servoing device comprising a distributor with mobile element adapted to supply the opposed support chambers by the intermediary of constrictions varying in the inverse sense on one side or the other of its equilibrium position, the mobile distributor element being integral in motion with a mobile corrector element subjected to the opposed actions of the fluid pressure prevailing in the opposed chambers of the detection circuit.
    Type: Grant
    Filed: May 11, 1978
    Date of Patent: January 29, 1980
    Assignee: Regie Nationale des Usines Renault
    Inventor: Bernard L. Robert