Patents by Inventor Vinod K. Duggal

Vinod K. Duggal 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).

  • Means and method for alternate fuel fumigation in internal combustion engines
    Patent number: 4553504
    Abstract: A system for effecting alternate fuel fumigation in an internal combustion engine including a fuel injector nozzle located in a scroll of a supercharger compressor associated with the engine. Schedules of secondary fuel addition as a function of engine load and as a function of engine speed are also disclosed as are fluid circuits used to effect such alternate fuel addition schedules.
    Type: Grant
    Filed: December 30, 1983
    Date of Patent: November 19, 1985
    Assignee: Cummins Engine Company, Inc.
    Inventors: Vinod K. Duggal, Edward J. Lyford-Pike, Edward D. Smith