Patents by Inventor Lijie WENG

Lijie WENG 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: 12129870
    Abstract: The present invention discloses an adjusting apparatus for improving an anti-cavitation effect of a water pump. The adjusting apparatus comprises a centrifugal impeller (10), a volute (20), an adjusting device (30), a jet device (40), a pressure and/or flow monitoring device, and a controller. The centrifugal impeller comprises a rear side labyrinth seal (15) and a front side labyrinth seal (16), and the volute comprises a first sealing portion (21), a first pressure adjusting cavity (22), a second sealing portion (23) and a second pressure adjusting cavity (24), where the position of the first sealing portion is provided with the first pressure adjusting cavity, the position of the second sealing portion is provided with the second pressure adjusting cavity, the second pressure adjusting cavity is in communication with the first pressure adjusting cavity through the first pipeline.
    Type: Grant
    Filed: February 5, 2024
    Date of Patent: October 29, 2024
    Assignees: Taizhou Vocational College of Science & Technology, Wenling Fluid Machinery Technology Institute of Jiangsu University
    Inventors: Zhenhua Shen, Chao Wang, Jinfeng Zhang, Yin Luo, Xiao Jie, Nianen Zhu, Lijie Weng
  • Publication number: 20240337274
    Abstract: The present invention discloses an adjusting apparatus for improving an anti-cavitation effect of a water pump. The adjusting apparatus comprises a centrifugal impeller (10), a volute (20), an adjusting device (30), a jet device (40), a pressure and/or flow monitoring device, and a controller. The centrifugal impeller comprises a rear side labyrinth seal (15) and a front side labyrinth seal (16), and the volute comprises a first sealing portion (21), a first pressure adjusting cavity (22), a second sealing portion (23) and a second pressure adjusting cavity (24), where the position of the first sealing portion is provided with the first pressure adjusting cavity, the position of the second sealing portion is provided with the second pressure adjusting cavity, the second pressure adjusting cavity is in communication with the first pressure adjusting cavity through the first pipeline.
    Type: Application
    Filed: February 5, 2024
    Publication date: October 10, 2024
    Applicants: Taizhou Vocational College of Science & Technology, Wenling Fluid Machinery Technology Institute of Jiangsu University
    Inventors: Zhenhua SHEN, Chao WANG, Jinfeng ZHANG, Yin LUO, Xiao JIE, Nianen ZHU, Lijie WENG