Patents by Inventor Wolf Zimmerman

Wolf Zimmerman 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).

  • Internal Combustion engine and method for operating an internal combustion engine
    Publication number: 20030127072
    Abstract: An internal combustion engine having one injection valve (3) per cylinder and at least one additional port injector (5) for injecting fuel into combustion air which is fed to the cylinders (2) in the intake tract (4). The port injector (5) havs two supply inlets (10, 11) which can be closed off. A control unit (8) determines the quantity of fuel which is to be delivered as a function of the operating state of the internal combustion engine (1). Separately provided starting fuel is delivered by the port injector (5) during the warm-up phase of the internal combustion engine.
    Type: Application
    Filed: December 2, 2002
    Publication date: July 10, 2003
    Inventors: Henry Gmelin, Eberhard Holder, Roland Kemmler, Martin Matt, Ralf Woerner, Wolf Zimmerman