Patents by Inventor Jesse R. Knight

Jesse R. Knight 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).

  • Pressure and flow compensated hydraulic system
    Patent number: 9671009
    Abstract: A vehicle hydraulic system includes a transmission lube circuit, a variable displacement main pump having an inlet, and a variable displacement charge pump having an outlet and a pressure responsive displacement control unit. The system also includes a charge line communicating the charge pump outlet with the main pump inlet, a sensing line communicating the charge line with the displacement control unit, and a lube line communicating the charge pump outlet with the lube circuit. The lube line includes a fluid restriction. A hydraulic oil filter and a filter bypass valve are connected in parallel between the outlet of the charge pump and the charge line.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: June 6, 2017
    Assignee: Deere & Company
    Inventors: Dwayne A. Nystrom, Jesse R. Knight, Michael A. Holland
  • PRESSURE AND FLOW COMPENSATED HYDRAULIC SYSTEM
    Publication number: 20160116053
    Abstract: A vehicle hydraulic system includes a transmission lube circuit, a variable displacement main pump having an inlet, and a variable displacement charge pump having an outlet and a pressure responsive displacement control unit. The system also includes a charge line communicating the charge pump outlet with the main pump inlet, a sensing line communicating the charge line with the displacement control unit, and a lube line communicating the charge pump outlet with the lube circuit. The lube line includes a fluid restriction. A hydraulic oil filter and a filter bypass valve are connected in parallel between the outlet of the charge pump and the charge line.
    Type: Application
    Filed: October 22, 2014
    Publication date: April 28, 2016
    Inventors: Dwayne A. Nystrom, Jesse R. Knight, Michael A. Holland