Patents by Inventor Paul D. Sleeman

Paul D. Sleeman 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).

  • Spark ignited internal combustion engine with multiple event fuel injection
    Patent number: 5713328
    Abstract: A spark ignited, reciprocating internal combustion engine, including a piston housed within a cylinder closed by a cylinder head has a fuel system for injecting fuel directly into the engine cylinder so as to achieve a homogeneous mixture with the fuel injection system injecting a first fraction of fuel during a first injection event and a second fraction of fuel during a second injection event.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: February 3, 1998
    Assignee: Ford Global Technologies, Inc.
    Inventors: Richard Walter Anderson, Paul D. Sleeman, Robert Michael Whiteaker, Jialin Yang