Patents by Inventor Bernard Daussin

Bernard Daussin 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).

  • Circuit breaker fitted with a device for indicating a short circuit
    Patent number: 4375022
    Abstract: A circuit breaker or cut out provided with a short-circuit indicating device and comprising, for each pole, separable contacts disposed inside a breaking chamber in which an electric arc develops when the contacts become separated. The said short-circuit indicating device is actuated by the gas pressure waves generated by the electric arc in the breaking chambers.
    Type: Grant
    Filed: March 19, 1980
    Date of Patent: February 22, 1983
    Assignee: Alsthom-Unelec
    Inventors: Bernard Daussin, Jean Hennemann
  • Electrical motor-control device for electrical equipment
    Patent number: 4066922
    Abstract: Electrical motor-control device for electrical equipment comprising a drive mechanism including an electric motor and a movement transformation mechanism including an endless screw on which is installed a linearly displaceable nut connected with slight play to an operating member of the electrical equipment. A torque limiter is inserted between the drive mechanism and the movement transformation mechanism. The torque limiter comprises a disk made of rough material integral with a worm screw and has component parts in the form of segments of a ring connected by springs clamping the said disk made of friction material. Applications: remote control of electric circuit-breakers.
    Type: Grant
    Filed: July 22, 1976
    Date of Patent: January 3, 1978
    Assignee: Unelec S.A.
    Inventors: Jean Hennemann, Bernard Daussin