Patents by Inventor Jeremy C. Adams

Jeremy C. Adams 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).

  • Valve actuation system having lifter sleeves configured for control fluid communication with valve lifter activation-deactivation switches
    Patent number: 11808180
    Abstract: An engine valve actuation system includes a lifter sleeve having a control fluid slot formed therein and extending from an outer sleeve surface to an inner sleeve surface. A valve lifter is movable in a sleeve bore in the lifter sleeve and limited from rotation about a longitudinal axis. The valve lifter includes a hydraulically actuated activation-deactivation switch, and a control fluid port in continuous fluid communication with the control fluid slot.
    Type: Grant
    Filed: February 27, 2023
    Date of Patent: November 7, 2023
    Assignee: Caterpillar Inc.
    Inventors: Jeremy C. Adams, Eric D. Wiebrecht