Patents by Inventor Zhongsheng REN

Zhongsheng REN 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).

  • Patent number: 11486273
    Abstract: A variable valve driving mechanism of an engine includes a rocker arm configured to control open and close of a valve and a servo rocker arm arranged in parallel to the rocker arm. A swing end of the servo rocker arm extends to the top of the swing end of the rocker arm. A valve adjustment gap provided in the swing direction of the servo rocker arm and the rocker arm is formed between the servo rocker arm and the rocker arm. A gap compensating device telescopically filling the valve adjustment gap and configured to adjust the valve to be delayed to close or open in advance when extending to the valve adjustment gap is provided between the servo rocker arm and the rocker arm.
    Type: Grant
    Filed: December 29, 2018
    Date of Patent: November 1, 2022
    Assignee: WEICHAI POWER CO., LTD.
    Inventors: Fei Wang, Cheng Xu, Zhongsheng Ren, Baojun Wang, Deshi Xu, Gang Wang
  • Publication number: 20220074320
    Abstract: A variable valve driving mechanism of an engine, and the engine. The variable valve driving mechanism comprises a rocker arm (1) configured to control open and close of a valve (7) and a servo rocker arm (2) arranged in parallel to the rocker arm (1). A swing end of the servo rocker arm (2) extends to the top of the swing end of the rocker arm (1). A valve adjustment gap (1-2) provided in the swing direction of the servo rocker arm (2) and the rocker arm (1) is formed between the servo rocker arm (2) and the rocker arm (1). A gap compensating device telescopically filling the valve adjustment gap (1-2) and configured to adjust the valve (7) to be delayed to close or open in advance when extending to the valve adjustment gap (1-2) is provided between the servo rocker arm (2) and the rocker arm (1).
    Type: Application
    Filed: December 29, 2018
    Publication date: March 10, 2022
    Inventors: Fei WANG, Cheng XU, Zhongsheng REN, Baojun WANG, Deshi XU, Gang WANG