Patents by Inventor Brewce LARKIN

Brewce LARKIN 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).

  • Publication number: 20240003341
    Abstract: A variable displacement hydraulic pump including a control actuator configured to interact with a movable displacement control member to control the displacement of the pump; and a displacement control valve assembly configured to provide mechanical feedback control of positioning of the control actuator and thereby the displacement control member. The displacement control valve assembly includes a control valve member that is movable within a fluid flow path of the control valve assembly to control a flow of fluid to or from the control actuator. The control valve assembly includes a first valve part, a second valve part, and a biasing member configured to selectively position respective one or more portions of the first and second valve parts relative to each other to open or close a vent flow passage in response to an operating state of the pump.
    Type: Application
    Filed: February 14, 2022
    Publication date: January 4, 2024
    Applicant: Parker-Hannifin Corporation
    Inventors: Matthew H. SIMON, Daniel DYMINSKI, Brewce LARKIN