Patents by Inventor Dejian Wen

Dejian Wen 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).

  • Method and apparatus for controlling a furnace pressure of a continuous annealing furnace
    Patent number: 9727061
    Abstract: A method for controlling furnace pressure of a continuous annealing furnace is disclosed.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: August 8, 2017
    Assignee: Baoshan Iron & Steel Co., Ltd.
    Inventors: Yongfeng Liu, Huazhong Gu, Guoqiang Qian, Bin Yin, Dejian Wen, Hongxu Hei, Jun Zhang, Deyang Hu
  • Method and device for controlling furnace temperature of burning heating furnace
    Patent number: 9383745
    Abstract: A method for controlling furnace temperature of a fired heating furnace is disclosed, comprising: measuring furnace temperatures to obtain furnace temperature feedback values; calculating the differences between furnace temperature setting values and the furnace temperature feedback values as discrepancy values DV1, in accordance with the furnace temperature feedback values and the furnace temperature setting value; calculating the differences between the furnace temperature setting values and the furnace temperature feedback values in a unit time, i.e.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: July 5, 2016
    Assignee: Baoshan Iron & Steel Co., Ltd.
    Inventors: Yongfeng Liu, Guoqiang Qian, Huazhong Gu, Rong Chen, Zhicheng Wang, Chunguo Lv, Dejian Wen, Peili Zhang
  • METHOD AND DEVICE FOR CONTROLLING FURNACE TEMPERATURE OF BURNING HEATING FURNACE
    Publication number: 20140364994
    Abstract: A method for controlling furnace temperature of a fired heating furnace is disclosed, comprising: measuring furnace temperatures to obtain furnace temperature feedback values; calculating the differences between furnace temperature setting values and the furnace temperature feedback values as discrepancy values DV1, in accordance with the furnace temperature feedback values and the furnace temperature setting value; calculating the differences between the furnace temperature setting values and the furnace temperature feedback values in a unit time, i.e.
    Type: Application
    Filed: April 27, 2011
    Publication date: December 11, 2014
    Applicant: Baoshan Iron & Steel Co., Ltd.
    Inventors: Yongfeng Liu, Guoqiang Qian, Huazhong Gu, Rong Chen, Zhicheng Wang, Chunguo Lv, Dejian Wen, Peili Zhang
  • METHOD AND APPARATUS FOR CONTROLLING A FURNACE PRESSURE OF A CONTINUOUS ANNEALING FURNACE
    Publication number: 20130304263
    Abstract: A method for controlling furnace pressure of a continuous annealing furnace is disclosed.
    Type: Application
    Filed: April 14, 2011
    Publication date: November 14, 2013
    Inventors: Yongfeng Liu, Huazhong Gu, Guoqiang Qian, Bin Yin, Dejian Wen, Hongxu Hei, Jun Zhang