Patents by Inventor William Peter Donohue

William Peter Donohue 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).

  • ACTUATOR ASSEMBLY FOR ELECTROHYDRAULIC OPERATION OF CYLINDER VALVES
    Publication number: 20030111030
    Abstract: The present invention provides an actuator assembly for operating a cylinder valve of an internal combustion engine. The actuator assembly achieves fast response times by utilizing a solenoid actuator that contains an armature element formed of a powder metal. A valve system that utilizes two of the actuator assemblies in conjunction with a cylinder valve is also provided.
    Type: Application
    Filed: December 18, 2001
    Publication date: June 19, 2003
    Inventors: William Peter Donohue, Alfred Edmund Lynn, Gang Xu, Vijay Garg
  • Actuator assembly for electrohydraulic operation of cylinder valves
    Patent number: 6578536
    Abstract: The present invention provides an actuator assembly for operating a cylinder valve of an internal combustion engine. The actuator assembly achieves fast response times by utilizing a solenoid actuator that contains an armature element formed of a powder metal. A valve system that utilizes two of the actuator assemblies in conjunction with a cylinder valve is also provided.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: June 17, 2003
    Assignee: Visteon Global Technologies, Inc.
    Inventors: William Peter Donohue, Alfred Edmund Lynn, Gang Xu, Vijay Garg