Patents by Inventor Lars Kvarnsjö

Lars Kvarnsjö 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).

  • Airgapped magnetic component
    Patent number: 6642828
    Abstract: A high frequency inductor includes a high permeability core, and at least one winding (6), having at least one winding layer (6). The core (2,3) exhibits at least one air-gap arranged within the at least one winding (6), whereat the at least one air-gap separates the core into at least two parts (2,3) and that a screen (14) is arranged around the at least one gap (4,4′,4″), between the winding (6) and the gap (4,4′4″). The screen is essentially concentric with the winding, and has a width which is equal to or wider than the width of the at least one gap (4,4′,4″).
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: November 4, 2003
    Assignee: Emerson Energy Systems AB
    Inventors: Lars Kvarnsjö, Johan Svedendahl