Patents by Inventor Gerhard Dressel

Gerhard Dressel 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).

  • Electrical machine
    Patent number: 7215056
    Abstract: In order to prevent, among other things, fatigue failures in squirrel-cage rotors of electrical machines, the invention provides that the squirrel-cage winding is comprised of flexible conductors.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: May 8, 2007
    Assignee: Siemens Aktiengesellschaft
    Inventor: Gerhard Dressel
  • Electrical machine
    Publication number: 20060202585
    Abstract: In order to prevent, among other things, fatigue failures in squirrel-cage rotors of electrical machines, the invention provides that the squirrel-cage winding is comprised of flexible conductors.
    Type: Application
    Filed: December 8, 2003
    Publication date: September 14, 2006
    Inventor: Gerhard Dressel
  • Apparatus for securement of a winding assembly
    Patent number: 6888287
    Abstract: Apparatus for fastening a winding assembly disposed at least partially in an air gap between a stator yoke and a rotor of an electric machine, includes a main body made of electrically insulating non-magnetic material. The main body includes a cylindrical base and a plurality of axial webs projecting radially outwards from the base in a direction of the stator yoke for at least partial engagement in complementary recesses in the stator yoke.
    Type: Grant
    Filed: February 5, 2002
    Date of Patent: May 3, 2005
    Assignee: Siemens Aktiengesellschaft
    Inventor: Gerhard Dressel
  • Apparatus for securement of a winding assembly
    Publication number: 20020117936
    Abstract: Apparatus for fastening a winding assembly disposed at least partially in an air gap between a stator yoke and a rotor of an electric machine, includes a main body made of electrically insulating non-magnetic material. The main body includes a cylindrical base and a plurality of axial webs projecting radially outwards from the base in a direction of the stator yoke for at least partial engagement in complementary recesses in the stator yoke.
    Type: Application
    Filed: February 5, 2002
    Publication date: August 29, 2002
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventor: Gerhard Dressel