Patents by Inventor Jürgen Teufel

Jürgen Teufel 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).

  • Miniature electrical drive and magnetic return path element, and method for its production
    Patent number: 8143760
    Abstract: The present invention relates to a miniature electrical drive (1), in particular a rotating field drive with permanent magnet excitation, having a stator (2) and a soft-magnetic return path element (6) which cylindrically surrounds the stator (2) and has a multiplicity of sheet-metal laminates (22) which are in the form of annular disks and are arranged in layers to form a cylindrical laminated core (20). The sheet-metal laminates (22) in the laminated core (20) are held prestressed exclusively with a force fit and in an interlocking manner in the axial and radial directions, and without adhesive or integral joint means such as this, in a supporting sleeve (24) which coaxially surrounds said sheet-metal laminates (22).
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: March 27, 2012
    Assignee: Dr. Fritz Faulhaber GmbH & Co. KG
    Inventors: Kornelius Reutter, Jürgen Teufel