Patents by Inventor Stefan Keul

Stefan Keul 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: 10003231
    Abstract: The present invention relates to an electric machine, in particular a brushless permanent magnet motor, comprising a stator which comprises a plurality of teeth having at least one needle-wound winding strand, the at least one winding strand having at least two windings on adjacent teeth which are arranged in series, the at least two windings each comprising at least one winding layer, a needle channel being provided which is formed between the at least two windings by a crossing portion of the at least two windings and is filled at least in part. The present invention further relates to a method for winding a coil of an electric machine.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: June 19, 2018
    Assignee: Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg
    Inventor: Stefan Keul
  • Publication number: 20140152140
    Abstract: The present invention relates to an electric machine, in particular a brushless permanent magnet motor, comprising a stator which comprises a plurality of teeth having at least one needle-wound winding strand, the at least one winding strand having at least two windings on adjacent teeth which are arranged in series, the at least two windings each comprising at least one winding layer, a needle channel being provided which is formed between the at least two windings by a crossing portion of the at least two windings and is filled at least in part. The present invention further relates to a method for winding a coil of an electric machine.
    Type: Application
    Filed: January 18, 2012
    Publication date: June 5, 2014
    Applicant: Brose Fahzeugteile GmhN & Co. Kommanditgesellschaf Wurzburg
    Inventor: Stefan Keul
  • Publication number: 20080191591
    Abstract: The invention relates to a displacement device for displacing, in particular sliding and/or for opening and closing at least one drawer (2), lid, door or similar, which can be located in an item of furniture (3), such as for example a cupboard, in particular a kitchen cupboard, or in a vehicle, such as for example a commercial vehicle, in particular a service or emergency vehicle. Said device comprises at least one electromotive drive unit, which acts on a transmission element to displace the drawer or drawers (2), lid, door or similar. The device is provided with a guide element (5), which is displaceably mounted in a guide and on which the drive unit (4) acts.
    Type: Application
    Filed: September 16, 2005
    Publication date: August 14, 2008
    Applicant: Kuster Automotive Door Systems GmbH
    Inventors: Martin Blucher, Carmelo Gutierrez, Stefan Keul, Thomas Schmidt