Patents by Inventor Xuesen Chang

Xuesen Chang 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).

  • Dual motor driven multi function hydraulic regulating valve with dual valve core
    Patent number: 10724646
    Abstract: The present disclosure relates to a double-juxtaposed-valve-core rotary multi-functional hydraulic regulating valve driven by two motors. The hydraulic regulating valve includes a first regulating component, a second regulating component and a valve block. The first regulating component includes a first motor, a first valve core, a first connection sleeve and a first valve sleeve. The second regulating component includes a second motor, a second valve core, a second connection sleeve and a second valve sleeve. The first motor and the second motor are provided with angular displacement sensors. Both the first valve core and the second valve core include a connection portion and a cylinder portion. The cylinder portion defines a group of crossed radial through holes. Both the first valve sleeve and the second valve sleeve are of hollow cylinder structures.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: July 28, 2020
    Assignee: Laioning Haiyu Fluid Transmission and Control System Co., Ltd.
    Inventors: Haiming Wu, Xuesen Chang, Yao Yao, Haiyan Wu
  • Dual motor driven multi function hydraulic regulating valve with dual valve core
    Publication number: 20190203844
    Abstract: The present disclosure relates to a double-juxtaposed-valve-core rotary multi-functional hydraulic regulating valve driven by two motors. The hydraulic regulating valve includes a first regulating component, a second regulating component and a valve block. The first regulating component includes a first motor, a first valve core, a first connection sleeve and a first valve sleeve. The second regulating component includes a second motor, a second valve core, a second connection sleeve and a second valve sleeve. The first motor and the second motor are provided with angular displacement sensors. Both the first valve core and the second valve core include a connection portion and a cylinder portion. The cylinder portion defines a group of crossed radial through holes. Both the first valve sleeve and the second valve sleeve are of hollow cylinder structures.
    Type: Application
    Filed: May 8, 2018
    Publication date: July 4, 2019
    Inventors: Haiming Wu, Xuesen Chang, Yao Yao, Haiyan Wu