Patents by Inventor Sandra Michel

Sandra Michel 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).

  • Four-pole electric motor drive with hammer brush holder system
    Publication number: 20090072656
    Abstract: The invention relates to a four-pole electric motor drive which has a stator and a rotor. The rotor contains a rotor shaft, a laminated rotor core containing rotor teeth, and a commutator fitted with segments. Furthermore, the drive has a hammer brush holder system which has a frame, brush support arms, one end of each arm having a brush receiver, and the other end of each arm being connected to the frame via a rotatable bearing arrangement, and carbon brushes, each of which is inserted in one of the brush receivers.
    Type: Application
    Filed: September 12, 2008
    Publication date: March 19, 2009
    Applicant: Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Wurzburg
    Inventors: Horst Eisert, Sandra Michel, Manfred Striedacher