Patents by Inventor Lingdi Tang

Lingdi Tang 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: 11382285
    Abstract: The present invention provides a wireless interconnection control system for improving sprinkler irrigation uniformity of hose reel irrigator with electric drive comprising a micro processing controller module, a frequency converter, a water pump AC motor, a pressure transmitter, a GPRS wireless transmission module, a mobile phone client APP, and a coding speed detection module. The microprocessor controller module and the frequency converter form a pressure PID controller to indirectly control the constant nozzle inlet pressure by controlling the pressure of the incoming pressure of the hose reel irrigator. The microprocessor controller module and the matching motor controller with brushless DC motor form a speed PID controller to directly control the reel back speed of the PE pipe. The GPRS wireless transmission module interactively communicates the nozzle inlet pressure, the reel back speed of the PE pipe and the mobile phone client APP through the short message mode.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: July 12, 2022
    Assignee: Jiangsu University
    Inventors: Lingdi Tang, Lei Yang, Yue Tang
  • Patent number: 11185022
    Abstract: A sprinkler cart of hose reel irrigator in folding truss inhaul-cable type includes a cart body, a water supply pipeline, a folding truss structure and an inhaul-cable structure. The folding truss structure adopts a planar multi-rod folding structure, drives a three-rod folding through a single hydraulic cylinder, and is mounted on the cart body in combination with the inhaul-cable structure.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: November 30, 2021
    Assignee: JIANGSU UNIVERSITY
    Inventors: Lingdi Tang, Cong Yu, Shouqi Yuan, Yue Tang
  • Publication number: 20210329860
    Abstract: The present invention provides a wireless interconnection control system for improving sprinkler irrigation uniformity of hose reel irrigator with electric drive comprising a micro processing controller module, a frequency converter, a water pump AC motor, a pressure transmitter, a GPRS wireless transmission module, a mobile phone client APP, and a coding speed detection module. The microprocessor controller module and the frequency converter form a pressure PID controller to indirectly control the constant nozzle inlet pressure by controlling the pressure of the incoming pressure of the hose reel irrigator. The microprocessor controller module and the matching motor controller with brushless DC motor form a speed PID controller to directly control the reel back speed of the PE pipe. The GPRS wireless transmission module interactively communicates the nozzle inlet pressure, the reel back speed of the PE pipe and the mobile phone client APP through the short message mode.
    Type: Application
    Filed: November 16, 2018
    Publication date: October 28, 2021
    Inventors: Lingdi Tang, Lei Yang, Yue Tang
  • Publication number: 20210176929
    Abstract: A sprinkler cart of hose reel irrigator in folding truss inhaul-cable type includes a cart body, a water supply pipeline, a folding truss structure and an inhaul-cable structure. The folding truss structure adopts a planar multi-rod folding structure, drives a three-rod folding through a single hydraulic cylinder, and is mounted on the cart body in combination with the inhaul-cable structure.
    Type: Application
    Filed: March 30, 2018
    Publication date: June 17, 2021
    Inventors: Lingdi Tang, Cong Yu, Shouqi Yuan, Yue Tang