Patents by Inventor John Reppe

John Reppe 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).

  • Transformer or inductor containing a magnetic core having abbreviated sidewalls and an asymmetric center core portion
    Patent number: 7135949
    Abstract: An inductor or transformer for mounting on a PCB has a two-part magnetic core structure and at least one coil wound on a bobbin. Each core part has a backwall and an abbreviated outer skirt extending from the backwall and an asymmetric center core element extending from the backwall in the same direction as the outer skirt along a longitudinal axis parallel with the mounting plane and including the centroid of the center core element. The center core element is asymmetric relative to a dividing plane parallel with the mounting plane and including the longitudinal axis, such that a greater portion of the center core element lies on a side of the dividing plane than on an opposite side of the dividing plane. In one preferred form, the center core element has a cross-sectional shape resembling a “D” character turned on its side, or “lazy D” shape.
    Type: Grant
    Filed: July 15, 2004
    Date of Patent: November 14, 2006
    Assignee: Tyco Electronics Corporation
    Inventors: John Reppe, Dean E. Huumala, Jimmy D. Holdahl, Todd Settergren
  • Transformer or inductor containing a magnetic core having abbreviated sidewalls and an asymmetric center core portion
    Publication number: 20060012457
    Abstract: An inductor or transformer for mounting on a PCB has a two-part magnetic core structure and at least one coil wound on a bobbin. Each core part has a backwall and an abbreviated outer skirt extending from the backwall and an asymmetric center core element extending from the backwall in the same direction as the outer skirt along a longitudinal axis parallel with the mounting plane and including the centroid of the center core element. The center core element is asymmetric relative to a dividing plane parallel with the mounting plane and including the longitudinal axis, such that a greater portion of the center core element lies on a side of the dividing plane than on an opposite side of the dividing plane. In one preferred form, the center core element has a cross-sectional shape resembling a “D” character turned on its side, or “lazy D” shape.
    Type: Application
    Filed: July 15, 2004
    Publication date: January 19, 2006
    Inventors: John Reppe, Dean Huumala, Jimmy Holdahl, Todd Settergren