Patents by Inventor Christof Frick

Christof Frick 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).

  • Electric motor having a commutator and brushes in sliding contact therewith
    Patent number: 9325226
    Abstract: An electric motor for moving a vehicle part, the electric motor having a stator with a stator housing, a drive shaft rotatable with respect to the stator, a rotor on the drive shaft and having a rotor winding, a commutator on the drive shaft for supplying an electric current to the rotor winding, at least two brushes mounted on the stator housing, the brushes in sliding contact with the commutator for supplying electric current to the rotor winding, a bushing mounted on the drive shaft adjacent to the commutator, and a cone element mounted on the drive shaft adjacent to the bushing on a side of the bushing facing away from the commutator, the cone element having an outer surface which conforms to the shape of a cone concentrical to the drive shaft and having a tip pointing away from the bushing.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: April 26, 2016
    Assignee: Brose Fahrzeugteile GmbH & Co. KG, Wurzburg
    Inventors: Weirong Zhang, Christof Frick, Zhendong Mi, Guoxian Wu
  • ELECTRIC MOTOR
    Publication number: 20130069463
    Abstract: An electric motor for moving a vehicle part, the electric motor having a stator with a stator housing, a drive shaft rotatable with respect to the stator, a rotor on the drive shaft and having a rotor winding, a commutator on the drive shaft for supplying an electric current to the rotor winding, at least two brushes mounted on the stator housing, the brushes in sliding contact with the commutator for supplying electric current to the rotor winding, a bushing mounted on the drive shaft adjacent to the commutator, and a cone element mounted on the drive shaft adjacent to the bushing on a side of the bushing facing away from the commutator, the cone element having an outer surface which conforms to the shape of a cone concentrical to the drive shaft and having a tip pointing away from the bushing.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 21, 2013
    Inventors: Weirong Zhang, Christof Frick, Zhendong Mi, Guoxian Wu