Patents by Inventor Astrid Pümmler

Astrid Pümmler 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).

  • Rotor for an electrical machine
    Patent number: 7109627
    Abstract: A rotor for an electrical machine includes a rotor carrier of metallic material with a back wall extending radially to the axis of rotation of the electrical machine and a tubular section extending in the axial direction, in which a laminated core is installed. The rotor carrier is designed as a single, flow-formed part with axially extending ribs which engage in grooves on the laminated core.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: September 19, 2006
    Assignee: ZF Friedrichshafen AG
    Inventors: Knut Welke, Khalid Jafoui, Ulrich Klawe, Astrid Pümmler
  • Rotor for an electrical machine
    Publication number: 20050127768
    Abstract: A rotor for an electrical machine includes a rotor carrier of metallic material with a back wall extending radially to the axis of rotation of the electrical machine and a tubular section extending in the axial direction, in which a laminated core is installed. The rotor carrier is designed as a single, flow-formed part with axially extending ribs which engage in grooves on the laminated core.
    Type: Application
    Filed: December 7, 2004
    Publication date: June 16, 2005
    Inventors: Knut Welke, Khalid Jafoui, Ulrich Klawe, Astrid Pummler