Patents by Inventor Robert Dieffenbach

Robert Dieffenbach 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).

  • Fuel injector having dual mode capabilities and engine using same
    Patent number: 6725838
    Abstract: A solitary fuel injector for a diesel engine that is capable of injecting fuel for a homogeneous charge compression ignition injection event, a conventional injection event. The solitary fuel injector also has a mixed mode that includes a homogeneous charge compression ignition injection and a conventional injection in a single compression stroke for the engine.
    Type: Grant
    Filed: July 29, 2002
    Date of Patent: April 27, 2004
    Assignee: Caterpillar Inc
    Inventors: Scott Shafer, Clifford Cotton, Joseph Angelino, Robert Dieffenbach, Ye Tian, Richard Holtman
  • Fuel injector having dual mode capabilities and engine using same
    Publication number: 20030066509
    Abstract: A solitary fuel injector for a diesel engine that is capable of injecting fuel for a homogeneous charge compression ignition injection event, a conventional injection event. The solitary fuel injector also has a mixed mode that includes a homogeneous charge compression ignition injection and a conventional injection in a single compression stroke for the engine.
    Type: Application
    Filed: July 29, 2002
    Publication date: April 10, 2003
    Inventors: Scott Shafer, Clifford Cotton, Joseph Angelino, Robert Dieffenbach, Ye Tian, Richard Holtman