Patents by Inventor Udo Weist

Udo Weist 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).

  • Patent number: 6014860
    Abstract: In an air supply arrangement for an internal combustion engine, particularly for motor vehicles having devices for cooling the engine and for supplying exhaust gas secondary air to the exhaust system of the engine, a single air pump driven by an electric motor is provided for supplying air to the engine cooling system and to the exhaust system and devices for switching the air flow supplied by the air pump to either the engine cooling system or the engine exhaust system are provided. A control unit is also provided which controls the electric motor depending on the amount and pressure of the air needed for the cooling system and the engine exhaust system.
    Type: Grant
    Filed: July 15, 1998
    Date of Patent: January 18, 2000
    Assignee: DaimlerChrysler AG
    Inventors: Jurgen Schenk, Udo Weist, Lothar Welter, Hans-Christoph Wolf