Patents by Inventor Johnathan Wingate Trundt

Johnathan Wingate Trundt 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).

  • Control system for a reductant dosing system
    Patent number: 10641152
    Abstract: A control system is provided to a reductant dosing system for actively maintaining the reductant dosing system ready for use by flushing unused reductant that has crystallized at a return valve of the reductant dosing system. The control system includes a controller that can control a manner of operation of specific system hardware that is present in the reductant dosing system to flush the unused reductant from the return valve that could otherwise cause the return valve to remain a flow-blocking condition as a result of the crystallized reductant.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: May 5, 2020
    Assignee: Caterpillar Inc.
    Inventors: Shivsinh Hitendrasinh Parmar, Purna Chander Nalla, Johnathan Wingate Trundt, Jun Cai, Brian Vincent Tranel
  • CONTROL SYSTEM FOR A REDUCTANT DOSING SYSTEM
    Publication number: 20190170035
    Abstract: A control system is provided to a reductant dosing system for actively maintaining the reductant dosing system ready for use by flushing unused reductant that has crystallized at a return valve of the reductant dosing system. The control system includes a controller that can control a manner of operation of specific system hardware that is present in the reductant dosing system to flush the unused reductant from the return valve that could otherwise cause the return valve to remain a flow-blocking condition as a result of the crystallized reductant.
    Type: Application
    Filed: December 4, 2017
    Publication date: June 6, 2019
    Applicant: Caterpillar Inc.
    Inventors: Shivsinh Hitendrasinh Parmar, Puma Chander Nalla, Johnathan Wingate Trundt, Jun Cai, Brian Vincent Tranel