Patents by Inventor Stefan Stroberg

Stefan Stroberg 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).

  • Patent number: 10128725
    Abstract: A contact brush holder is disclosed. According to an aspect, a brush holder is provided for receiving at least two contact brushes and holding the brushes in contact with a slip ring in an electrical power device. The brush holder comprises a holder body adapted for receiving said brushes. The brushes are arranged on opposite sides of a plane in which a central axis of the brush holder is located and in which an axis of rotation of the electric apparatus is situated. A biasing device is provided for biasing the holder body towards the slip ring, thus biasing the at least two contact brushes towards the slip ring.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: November 13, 2018
    Assignee: AB Dynamoborstfabriken
    Inventors: Stefan Stroberg, Erik Bjorklund
  • Publication number: 20140246945
    Abstract: A brush holder (1) for receiving at least two contact brushes (2, 4) and holding said brushes in contact with a slip ring in an electrical power device, the brush holder comprising a holder body (10) adapted for receiving said brushes (2, 4), said brushes (2, 4) being arranged on opposite sides of a plane in which a central axis (C-C) of the brush holder (1) is located and in which an axis of rotation of the electric apparatus is situated. A biasing device (11) for biasing the holder body (10) towards the slip ring, thus biasing the at least two contact brushes (2,4) towards the slip ring.
    Type: Application
    Filed: June 15, 2012
    Publication date: September 4, 2014
    Applicant: AB Dynamoborstrabriken
    Inventors: Stefan Stroberg, Erik Bjorklund