Patents by Inventor Chunan XU

Chunan XU 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).

  • Sampling tube bundle, sampling analysis device and preparation method of sampling tube bundle
    Patent number: 11408852
    Abstract: A sampling tube bundle includes a tube bundle body and a joint assembly. The tube bundle body includes a gas sampling tube for transmitting sampling gas; a metal woven layer wrapping an outer circumference of the gas sampling tube; a heating pad comprising a heat tracing cable wrapping an outer circumference of the metal woven layer, for heating the sampling gas in the gas sampling tube; a flame resistant tape wound around an outer circumference of the of the heating pad; a plurality of signal transmission lines circumferentially spaced apart from one another are arranged outside the flame resistant tape; and a sheath located outside the signal transmission line. The joint assembly is arranged on an end of the tube bundle body, for connecting to an analysis device or a sampling device.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: August 9, 2022
    Assignees: TSINGHUA UNIVERSITY, Nuctech Company Limited, WUHU JIAHONG NEW MATERIAL CO., LTD.
    Inventors: Zhiqiang Chen, Chunan Xu, Qingjun Zhang, Fengfeng Xiong, Yuanjing Li, Ziran Zhao, Yinong Liu, Yaohong Liu, Ge Li, Qiufeng Ma, Biao Cao
  • SAMPLING TUBE BUNDLE, SAMPLING ANALYSIS DEVICE AND PREPARATION METHOD OF SAMPLING TUBE BUNDLE
    Publication number: 20200110056
    Abstract: A sampling tube bundle includes a tube bundle body and a joint assembly. The tube bundle body includes a gas sampling tube for transmitting sampling gas; a metal woven layer wrapping an outer circumference of the gas sampling tube; a heating pad comprising a heat tracing cable wrapping an outer circumference of the metal woven layer, for heating the sampling gas in the gas sampling tube; a flame resistant tape wound around an outer circumference of the of the heating pad; a plurality of signal transmission lines circumferentially spaced apart from one another are arranged outside the flame resistant tape; and a sheath located outside the signal transmission line. The joint assembly is arranged on an end of the tube bundle body, for connecting to an analysis device or a sampling device.
    Type: Application
    Filed: May 8, 2019
    Publication date: April 9, 2020
    Applicants: TSINGHUA UNIVERSITY, Nuctech Company Limited, WUHU JIAHONG NEW MATERIAL CO., LTD.
    Inventors: Zhiqiang CHEN, Chunan XU, Qingjun ZHANG, Fengfeng XIONG, Yuanjing LI, Ziran ZHAO, Yinong LIU, Yaohong LIU, Ge LI, Qiufeng MA, Biao CAO