Patents by Inventor Frank Stawski

Frank Stawski 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).

  • Engine valve actuation system and method using reduced pressure common rail and dedicated engine valve
    Publication number: 20030140876
    Abstract: A system and method for actuating an engine valve to provide engine braking and/or exhaust gas recirculation using a common source of hydraulic fluid is disclosed. The system receives high pressure hydraulic fluid from a common rail system, such as those used to provide fuel injection. The fluid pressure is reduced before being used to actuate an engine valve for engine braking or EGR. Preferably an engine valve that is dedicated to the engine braking or EGR function is provided in the engine. The dedicated engine braking/EGR valve may be driven by an electromagnetic actuator in an alternative embodiment.
    Type: Application
    Filed: January 30, 2003
    Publication date: July 31, 2003
    Inventors: Zhou Yang, Frank Stawski