Patents by Inventor Timothy E. Wiggers

Timothy E. Wiggers 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).

  • Simultaneous dual mode combustion engine operating on spark ignition and homogenous charge compression ignition
    Patent number: 6752104
    Abstract: An engine particularly suited to single speed operation environments, such as stationary power generators. The engine includes a plurality of combustion cylinders operable under homogenous charge compression ignition, and at least one combustion cylinder operable on spark ignition concepts. The cylinder operable on spark ignition concepts can be convertible to operate under homogenous charge compression ignition. The engine is started using the cylinders operable under spark ignition concepts.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: June 22, 2004
    Assignee: Caterpillar Inc
    Inventors: Scott B. Fiveland, Timothy E. Wiggers
  • Simultaneous dual mode combustion engine operating on spark ignition and homogenous charge compression ignition
    Publication number: 20030106520
    Abstract: An engine particularly suited to single speed operation environments, such as stationary power generators. The engine includes a plurality of combustion cylinders operable under homogenous charge compression ignition, and at least one combustion cylinder operable on spark ignition concepts. The cylinder operable on spark ignition concepts can be convertible to operate under homogenous charge compression ignition. The engine is started using the cylinders operable under spark ignition concepts.
    Type: Application
    Filed: December 11, 2001
    Publication date: June 12, 2003
    Inventors: Scott B. Fiveland, Timothy E. Wiggers