Patents by Inventor Borge Andersson

Borge Andersson 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).

  • Sealing assembly with a magnetic liquid
    Patent number: 5118118
    Abstract: A sealing assembly forming a seal using a magnetic liquid around a rotatable shaft, comprising an armature for conducting a magnetic field, the armature having a free end adjacent the shaft to form an annular sealing gap; a quantitiy of magnetic liquid contained in the sealing gap by the magnetic field; and at least one covering member mounted on the assembly on one side of the gap to cooperatively define a space with the shaft for containing an amount of fluid at least two times the volume of the gap.
    Type: Grant
    Filed: July 18, 1989
    Date of Patent: June 2, 1992
    Assignee: SKF Industrial Trading and Development Company B.V.
    Inventors: Vedran A. Tadic, Borge Andersson