Patents by Inventor Axel Blahak

Axel Blahak 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: 6664671
    Abstract: The invention relates to a rotating electrical machine with a contacting device whose circumference has at least one slide contact disposed on it, which remains in sliding contact with a brush apparatus (slide system), in which the at least one slide contact is comprises of a wear resistant material. The invention provides that the electrical machine has an internal cooling system in which a fluid/gas mixture used as a cooling medium circulates around the components to be cooled, including the slide system, and the at least one slide contact is comprises of an alloy with at least one alloy component that has an affinity for oxygen.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: December 16, 2003
    Assignee: Robert Bosch GmbH
    Inventors: Axel Blahak, Uwe Knappenberger
  • Publication number: 20020113516
    Abstract: The invention relates to a rotating electrical machine with a contacting device whose circumference has at least one slide contact disposed on it, which remains in sliding contact with a brush apparatus (slide system), in which the at least one slide contact is comprised of a wear resistant material.
    Type: Application
    Filed: March 15, 2002
    Publication date: August 22, 2002
    Inventors: Axel Blahak, Uwe Knappenberger