Patents by Inventor Patrick Roger

Patrick Roger 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).

  • DC electromagnet
    Patent number: 6404312
    Abstract: DC electromagnet comprising a magnetic circuit equipped with a yoke and a magnetic core fixed at its ends with vanes and capable of axial displacement. The magnetic core 21 is smooth and the vanes 22,23 are shrink fitted and fixed to the ends of the smooth core. One of the vanes 22 is fixed to the core in a reference position and is then put into contact with the associated flange 25 of yoke 14, and the other vane 23 is shrink fitted and pushed into an adjustable position determined by bringing the yoke 14 into contact with the other flange 26.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: June 11, 2002
    Assignee: Schneider Electric Industries SA
    Inventors: Patrick Comtois, Alain Fraisse, Regis Perrocheau, Patrick Roger
  • DC ELECTROMAGNET
    Publication number: 20020053965
    Abstract: DC electromagnet comprising a magnetic circuit equipped with a yoke and a magnetic core fixed at its ends with vanes and capable of axial displacement.
    Type: Application
    Filed: April 6, 2000
    Publication date: May 9, 2002
    Inventors: Patrick Comtois, Alain Fraisse, Regis Perrocheau, Patrick Roger
  • Electromagnetic trip for an electrical apparatus for protection
    Patent number: 5894257
    Abstract: An electromagnetic trip for an electrical switch apparatus for protecting against short circuits, including a magnetic yoke (20), a tubular non-magnetic coil form (40) with axis X-X', open at both ends (42, 43), a control coil (50) wound around the form (40), a fixed core (60) and a movable core (70) which are housed in the respective ends (42, 43) of the form (40), the movable core (70) having an upper end (72) projecting outside the form (40), characterized in that the form (40), the coil (50), the fixed core (60) and the movable core (70) constitute a pre-assembled electromagnetic sub-assembly (10) intended to be introduced into the magnetic yoke (20).
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: April 13, 1999
    Assignee: Schneider Electric SA
    Inventors: Patrick Roger, Robert Bet
  • Differential thermal tripping device with bimetallic strips
    Patent number: 5825273
    Abstract: Differential thermal tripping device with bimetallic strips for electrical protection appliance such as a circuit breaker. The circuit breaker includes a tripping assembly with two contact strips 30, 40 free to move along the X direction, and for each bimetallic strip, a single adjustment part 15 fixed to a free inclined edge 19 of the bimetallic strip head 13, adjustable along the X direction, in the position obtained after heating of the bimetallic strips for calibration. The assembly 30, 40 may consist of a frame supporting adjustment parts until they are fixed and provided with separable areas 36, 46 to generate two contact strips following cutting.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: October 20, 1998
    Assignee: Schneider Electric SA
    Inventor: Patrick Roger