Patents by Inventor Fuqiang Cai

Fuqiang Cai 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).

  • Box type sealing structure and conical roller bearing
    Patent number: 10731706
    Abstract: A box type sealing structure including an oil throwing ring and sealing ring with a frame and sealing portion attached to the frame, the oil throwing ring including a centrifugal structure.
    Type: Grant
    Filed: May 27, 2017
    Date of Patent: August 4, 2020
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Xiaoyi Shi, Hongwei Song, Zhiheng Liu, Gilson Arima, Uwe Niebling, Fuqiang Cai, Xin Liu, Lijuan Wu
  • Box Type Sealing Structure and Conical Roller Bearing
    Publication number: 20190257361
    Abstract: A box type sealing structure including an oil throwing ring and sealing ring with a frame and sealing portion attached to the frame, the oil throwing ring including a centrifugal structure.
    Type: Application
    Filed: May 27, 2017
    Publication date: August 22, 2019
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Xiaoyi Shi, Hongwei Song, Zhiheng Liu, Gilson Arima, Uwe Niebling, Fuqiang Cai, Xin Liu, Lijuan Wu
  • Sealing structure for bearing
    Patent number: 10302133
    Abstract: Bearing sealing structures are disclosed, which may include first and second frameworks configured to attach to an outer ring and an inner ring, respectively, and an elastic sealing member. The first framework may include a first radially extending part extending towards the inner ring, the second framework may include a second radially extending part extending towards the outer ring, and the second radially extending part may be located on an axially outer side of the first radially extending part. The sealing structure may form a first chamber and a second chamber in a radial direction, the first chamber being formed by the first or second radially extending part. The second chamber may be located on a radially inner side of the first chamber, and the elastic sealing member may include a first sealing member extending into the first chamber and a second sealing member extending into the second chamber.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: May 28, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Hongwei Song, Ling Nan, Fuqiang Cai, Uwe Niebling, Zhiheng Liu, Xin Liu
  • Sealing structure for bearing
    Publication number: 20180216667
    Abstract: Bearing sealing structures are disclosed, which may include first and second frameworks configured to attach to an outer ring and an inner ring, respectively, and an elastic sealing member. The first framework may include a first radially extending part extending towards the inner ring, the second framework may include a second radially extending part extending towards the outer ring, and the second radially extending part may be located on an axially outer side of the first radially extending part. The sealing structure may form a first chamber and a second chamber in a radial direction, the first chamber being formed by the first or second radially extending part. The second chamber may be located on a radially inner side of the first chamber, and the elastic sealing member may include a first sealing member extending into the first chamber and a second sealing member extending into the second chamber.
    Type: Application
    Filed: June 1, 2016
    Publication date: August 2, 2018
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Hongwei Song, Ling Nan, Fuqiang Cai, Uwe Niebling, Zhiheng Liu, Xin Liu