Patents by Inventor Werner Donnerstag

Werner Donnerstag 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).

  • Diesel engine cold starting arrangement
    Patent number: 4483285
    Abstract: A return line communicates excess fuel from the injectors of a diesel engine to a fuel tank and is connected to a nipple on a filler pipe of the fuel tank. A dam wall is provided inside the pipe over an inlet from the nipple and forms a small reservoir for fuel which can be fed via a T-connection and branch line to a known nozzle and ignition system which burns fuel in the intake manifold to facilitate cold starting.
    Type: Grant
    Filed: March 1, 1983
    Date of Patent: November 20, 1984
    Assignee: Deere & Company
    Inventors: Hans Donnerstag, Werner Donnerstag