Patents by Inventor Stephen F. Hahne

Stephen F. Hahne 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).

  • Use of engine lubricant as ignition fuel for micro-pilot ignition system of an internal combustion engine
    Patent number: 7389752
    Abstract: A method and system for providing pilot fuel for a pilot ignition system of an internal combustion engine having one or more cylinders and having a lubrication system. A portion of the lubricating oil is diverted from the lubricating system. During the pilot ignition phase of the engine combustion cycle, the diverted lubricating oil is injected into the one or more cylinders.
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: June 24, 2008
    Assignee: Southwest Research Institute
    Inventors: Terrence F. Alger, II, Jess W. Gingrich, Stephen F. Hahne