Patents by Inventor Stefan Bobbo

Stefan Bobbo 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).

  • Drive arrangement for an electric vehicle
    Patent number: 8800699
    Abstract: A drive arrangement for an electric vehicle has an axle drive device of a portal design with two electric machines for driving the wheels of an axle of the electric vehicle, and at least one electric energy store that can be discharged when an electric machine is operated as a motor and/or can be charged when an electric machine is operated as a generator. The drive arranged is characterized in that the two electric machines (11) of the axle drive device (10) are combined with a respectively assigned transmission (12) in an electric axle to drive the individually suspended wheels (2) of the axle by means of, in each case, one articulated shaft flange (13) via a respective articulated shaft. Frequency converters assigned respectively to the two electric machines are combined in a converter unit.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: August 12, 2014
    Assignee: Dr. Ing. h.c. F. Porsche Aktiengesellschaft
    Inventors: Hartmut Chodura, Guan Chew, Steffen Maurer, Patrik Gisch, Miroslaw Oslislok, Ralf Bauer, Stefan Bobbo
  • DRIVE ARRANGEMENT FOR AN ELECTRIC VEHICLE
    Publication number: 20110192660
    Abstract: A drive arrangement for an electric vehicle has an axle drive device of a portal design with two electric machines for driving the wheels of an axle of the electric vehicle, and at least one electric energy store that can be discharged when an electric machine is operated as a motor and/or can be charged when an electric machine is operated as a generator. The drive arranged is characterized in that the two electric machines (11) of the axle drive device (10) are combined with a respectively assigned transmission (12) in an electric axle to drive the individually suspended wheels (2) of the axle by means of, in each case, one articulated shaft flange (13) via a respective articulated shaft. Frequency converters assigned respectively to the two electric machines are combined in a converter unit.
    Type: Application
    Filed: February 1, 2011
    Publication date: August 11, 2011
    Applicant: Dr. Ing. h.c.F. Porsohe Aktiengesellschaft
    Inventors: Hartmut Chodura, Guan Chew, Steffen Maurer, Patrik Gisch, Miroslaw Oslislok, Ralf Bauer, Stefan Bobbo