Patents by Inventor Dirk Spaniel

Dirk Spaniel 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).

  • Hybrid propulsion for fuel-cell cars
    Patent number: 6380638
    Abstract: The invention relates to a hybrid drive for an electric vehicle having a fuel cell, an energy store, an electric traction motor and electrical auxiliary loads. The invention proposes providing two separate circuits, provided with switching devices, for selectively connecting the electric traction motor and the electrical auxiliary loads to the fuel cell or to the energy store, and providing a switchable connecting line between the fuel cell and the energy store.
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: April 30, 2002
    Assignee: DaimlerChrysler AG
    Inventors: Omar Bitsche, Dirk Spaniel
  • Multi-motor drive for motor vehicles
    Patent number: 6364806
    Abstract: The invention relates to a multi-motor drive in which two electric motors which are assigned to a common output with a dual-stage gearbox are provided. An automatic controller controls, on the one hand, the load distribution between the motors and, on the other hand, the gearbox in order to ensure an optimum degree of efficiency of the drive. Asynchronous motors are preferably provided.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: April 2, 2002
    Assignee: DaimlerChrysler AG
    Inventor: Dirk Spaniel