Patents by Inventor Paul Birgel

Paul Birgel 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).

  • Method for charging a high-voltage battery of an electric drive of a vehicle, and power transmission system for a vehicle
    Patent number: 11945321
    Abstract: Technologies and techniques for charging a high-voltage battery of an electric drive of a vehicle, in which electrical power is transmitted from a low-voltage on-board electrical system of the vehicle to the high-voltage battery, and, to aid starting of the vehicle, electrical power is transmitted from a separate external unit to the low-voltage on-board electrical system of the vehicle and is transmitted from the low-voltage on-board electrical system to the high-voltage battery. The present disclosure also relates to a related power transmission system.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: April 2, 2024
    Assignee: Volkswagen Aktiengesellschaft
    Inventors: Paul Birgel, Kai Kuhr, Marco Bröcker
  • METHOD FOR CHARGING A HIGH-VOLTAGE BATTERY OF AN ELECTRIC DRIVE OF A VEHICLE, AND POWER TRANSMISSION SYSTEM FOR A VEHICLE
    Publication number: 20220355685
    Abstract: Technologies and techniques for charging a high-voltage battery of an electric drive of a vehicle, in which electrical power is transmitted from a low-voltage on-board electrical system of the vehicle to the high-voltage battery, and, to aid starting of the vehicle, electrical power is transmitted from a separate external unit to the low-voltage on-board electrical system of the vehicle and is transmitted from the low-voltage on-board electrical system to the high-voltage battery. The present disclosure also relates to a related power transmission system.
    Type: Application
    Filed: June 23, 2020
    Publication date: November 10, 2022
    Inventors: Paul Birgel, Kai Kuhr, Marco Bröcker