Patents by Inventor Daniel Pothieux

Daniel Pothieux 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).

  • Arc-rotating magnetic blast coil for the contact element of an electric switch
    Patent number: 4918268
    Abstract: An arc-rotating magnetic blast coil for the contact element of an electric switch, the coil comprising, in particular, a conducting cup (1) which is cylindrical in shape and which is connected to a current inlet (33), a winding (23) disposed inside the cup to produce a magnetic field along the axis of the cup and having one end (14) connected to the cup, a conducting core (7) connected to the other end (12) of the winding and situated in the center of the winding, and a fixed circuit-breaking contact disposed ahead of the coil relative to said cup within the magnetic field produced thereby and electrically connected to said core, characterized in that the winding is constituted by means of a flat conductor (8) comprising a plurality of turns wound on the core together with an insulating sheet, and in that means (16, 9) are provided for putting the winding under compression.
    Type: Grant
    Filed: September 22, 1988
    Date of Patent: April 17, 1990
    Assignee: Societe Anonyme dite: Alsthom
    Inventors: Daniel Pothieux, Bernard Gallix, Julien Llorens