Patents by Inventor Stephan BLUMENTHAL

Stephan BLUMENTHAL 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).

  • Battery system for a transportation vehicle and transportation vehicle
    Patent number: 10787096
    Abstract: A battery system for a transportation vehicle having at least one battery module with a number of battery cells and a cell controller for monitoring and adjusting the state of charge of the battery cells, and a battery management controller coupled to the cell controller, wherein the cell controller has an analog-to-digital converter, which is led to the battery cells of the battery module by a filter circuit, wherein a frequency circuit for adjusting a cut-off frequency of the filter circuit, wherein the cut-off frequency of the filter circuit is adjusted to a first frequency value during a sampling period in which the cell controller monitors the battery cells and to a second frequency value during a diagnostics period in which the battery management controller monitors the battery cells.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: September 29, 2020
    Assignee: VOLKSWAGEN AKTIENGESELLSCHAFT
    Inventors: Jochen Juhl, Stephan Blumenthal
  • BATTERY SYSTEM FOR A TRANSPORTATION VEHICLE AND TRANSPORTATION VEHICLE
    Publication number: 20190299810
    Abstract: A battery system for a transportation vehicle having at least one battery module with a number of battery cells and a cell controller for monitoring and adjusting the state of charge of the battery cells, and a battery management controller coupled to the cell controller, wherein the cell controller has an analog-to-digital converter, which is led to the battery cells of the battery module by a filter circuit, wherein a frequency circuit for adjusting a cut-off frequency of the filter circuit, wherein the cut-off frequency of the filter circuit is adjusted to a first frequency value during a sampling period in which the cell controller monitors the battery cells and to a second frequency value during a diagnostics period in which the battery management controller monitors the battery cells.
    Type: Application
    Filed: April 2, 2019
    Publication date: October 3, 2019
    Inventors: Jochen JUHL, Stephan BLUMENTHAL