Patents by Inventor Zhanhui SHEN

Zhanhui SHEN 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).

  • Device and method for evaluating scale inhibitor
    Patent number: 9970909
    Abstract: A device for evaluating a scale inhibitor for a circulating cooling water system, the device including: an open vessel, the open vessel including a first fixing hole, a second fixing hole, and at least one test hole; a stirrer; a test piece; a condenser; and a constant temperature heater. The open vessel is disposed inside the constant temperature heater. The first fixing hole is used to fix the stirrer. The second fixing hole is used to fix the condenser. The test hole is used to fix the test piece.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: May 15, 2018
    Assignee: NANJING UNIVERSITY
    Inventors: Hongqiang Ren, Zhanhui Shen, Ke Xu, Jinju Geng, Xinkun Ren
  • Device and method for testing corrosion inhibitor
    Patent number: 9182332
    Abstract: A device for testing a corrosion inhibitor, the device including: a circulating cooling water tank; a circulating water pump; a flowmeter; a five-port glass tube; a working electrode; a reference electrode; an auxiliary electrode; a heating rod; and an electrochemical workstation. The circulating water pump is connected to the circulating cooling water tank. The heating rod is fixed inside the circulating cooling water tank. The water inlet of the flowmeter is connected to the circulating water pump. The water outlet of the flowmeter is connected to the water inlet of the five-port glass tube. The water outlet of the five-port glass tube is connected to the circulating cooling water tank. The working electrode the reference electrode, and the auxiliary electrode are connected to the electrochemical workstation; and the electrochemical workstation is connected to a host computer.
    Type: Grant
    Filed: April 28, 2013
    Date of Patent: November 10, 2015
    Assignee: Nanjing University
    Inventors: Hongqiang Ren, Zhanhui Shen, Jinju Geng, Ke Xu, Xinkun Ren
  • DEVICE AND METHOD FOR EVALUATING SCALE INHIBITOR
    Publication number: 20130325361
    Abstract: A device for evaluating a scale inhibitor for a circulating cooling water system, the device including: an open vessel, the open vessel including a first fixing hole, a second fixing hole, and at least one test hole; a stirrer; a test piece; a condenser; and a constant temperature heater. The open vessel is disposed inside the constant temperature heater. The first fixing hole is used to fix the stirrer. The second fixing hole is used to fix the condenser. The test hole is used to fix the test piece.
    Type: Application
    Filed: May 30, 2013
    Publication date: December 5, 2013
    Inventors: Hongqiang REN, Zhanhui SHEN, Ke XU, Jinju GENG, Xinkun REN
  • DEVICE AND METHOD FOR TESTING CORROSION INHIBITOR
    Publication number: 20130284597
    Abstract: A device for testing a corrosion inhibitor, the device including: a circulating cooling water tank; a circulating water pump; a flowmeter; a five-port glass tube; a working electrode; a reference electrode; an auxiliary electrode; a heating rod; and an electrochemical workstation. The circulating water pump is connected to the circulating cooling water tank. The heating rod is fixed inside the circulating cooling water tank. The water inlet of the flowmeter is connected to the circulating water pump. The water outlet of the flowmeter is connected to the water inlet of the five-port glass tube. The water outlet of the five-port glass tube is connected to the circulating cooling water tank. The working electrode the reference electrode, and the auxiliary electrode are connected to the electrochemical workstation; and the electrochemical workstation is connected to a host computer.
    Type: Application
    Filed: April 28, 2013
    Publication date: October 31, 2013
    Applicant: Nanjing University
    Inventors: Hongqiang REN, Zhanhui SHEN, Jinju GENG, Ke XU, Xinkun REN