Patents by Inventor Roland Kolbel

Roland Kolbel 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: 7527422
    Abstract: A drive unit for a twin-screw machine, of which the screw shafts, which can be driven in rotation in the same direction, have an axial spacing a, has two output shafts. The output shafts are provided with a respective crown gear which does not collide with the adjacent output shaft. The drive motor provided is in the form of a torque motor having a stator housing, a rotor, which is rotatably arranged in the stator housing, and at both ends of the rotor, outside the stator housing, a drive pinion meshing with a crown gear.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: May 5, 2009
    Assignee: Coperion GmbH
    Inventors: Daniel Schwendemann, Ulrich Weller, Roland Kölbel
  • Publication number: 20070234836
    Abstract: A drive unit for a twin-screw machine, of which the screw shafts, which can be driven in rotation in the same direction, have an axial spacing a, has two output shafts. The output shafts are provided with a respective crown gear which does not collide with the adjacent output shaft. The drive motor provided is in the form of a torque motor having a stator housing, a rotor, which is rotatably arranged in the stator housing, and at both ends of the rotor, outside the stator housing, a drive pinion meshing with a crown gear.
    Type: Application
    Filed: March 29, 2007
    Publication date: October 11, 2007
    Applicant: Coperion Werner & Pfleiderer GmbH & Co. KG
    Inventors: Daniel Schwendemann, Ulrich Weller, Roland Kolbel