Patents by Inventor Chengji HUANG

Chengji HUANG 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).

  • Refilling-type online chromatographic detector for sulphur hexafluoride decomposition products
    Patent number: 10900940
    Abstract: A backfilling-type online chromatographic detector for sulphur hexafluoride decomposition products includes: a compression pump, a vacuum pump, a gas storage tank, a first six-way valve, a second six-way valve, a first chromatographic column, a second chromatographic column and a detector. One end of the compression pump is connected to one end of the vacuum pump, another end of the vacuum pump is connected to one end of the gas storage tank, another end of the gas storage tank is connected to the first chromatographic column through the first six-way valve, the first chromatographic column is connected to the second chromatographic column through the second six-way valve, and the second chromatographic column is connected to the detector.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: January 26, 2021
    Assignee: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GIRD CO., LTD.
    Inventors: Yongyan Zhou, Li Li, Xiaopeng Fan, Nian Tang, Chengji Huang, Xiaodian Li, Jiawen Liu, Peiqi Wu
  • REFILLING-TYPE ONLINE CHROMATOGRAPHIC DETECTOR FOR SULPHUR HEXAFLUORIDE DECOMPOSITION PRODUCTS
    Publication number: 20190107517
    Abstract: A backfilling-type online chromatographic detector for sulphur hexafluoride decomposition products includes: a compression pump, a vacuum pump, a gas storage tank, a first six-way valve, a second six-way valve, a first chromatographic column, a second chromatographic column and a detector. One end of the compression pump is connected to one end of the vacuum pump, another end of the vacuum pump is connected to one end of the gas storage tank, another end of the gas storage tank is connected to the first chromatographic column through the first six-way valve, the first chromatographic column is connected to the second chromatographic column through the second six-way valve, and the second chromatographic column is connected to the detector.
    Type: Application
    Filed: June 2, 2017
    Publication date: April 11, 2019
    Applicant: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID CO., LTD.
    Inventors: Yongyan ZHOU, Li LI, Xiaopeng FAN, Nian TANG, Chengji HUANG, Xiaodian LI, Jiawen LIU, Peiqi WU