Patents by Inventor Christopher E. Hill

Christopher E. Hill 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).

  • Lash adjuster and valve system
    Patent number: 7350491
    Abstract: An added-motion hydraulic valve system is disclosed. The added-motion hydraulic valve system includes an engine valve actuator that causes movement of an engine valve, fluid that moves through a solenoid actuator valve, and a fluid actuator housing having a volume for receiving said fluid. The volume is disposed between the engine valve actuator and an engagement end of the engine valve. A lash adjuster assembly for a valve system is also disclosed. The lash adjuster assembly includes an actuator fluid housing and an added motion hydraulic lash adjuster disposed within the actuator fluid housing. According to an embodiment, the lash adjuster assembly includes a mechanical lash adjuster actuated by a cam arrangement.
    Type: Grant
    Filed: September 11, 2006
    Date of Patent: April 1, 2008
    Assignee: Eaton Corporation
    Inventors: Dale A. Stretch, Christopher E. Hill, Edwin D. Lorenz