Patents by Inventor Zhiguo CUI

Zhiguo CUI 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).

  • Bogie for high-speed railway vehicle
    Patent number: 10011287
    Abstract: A bogie for a high-speed railway vehicle includes a wheel set, an axle box, a primary spring suspension device, a frame, a secondary spring suspension device and a foundation braking device. A wheel of the wheel set has an LMA wheel tread. The foundation braking device is mounted by a three-point hitch structure. The axle box is a structure which is separatable in a vertical direction, and an off-line safety protecting device is mounted at a lower portion of the axle box. A traction rod of the secondary spring suspension device is a single traction rod. A center pin is provided with an integral hoisting device. Two anti-yaw dampers, as a group, are arranged at either side of the secondary spring suspension device, and the two anti-yaw dampers have the same damping coefficient.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: July 3, 2018
    Assignee: CRRC QINGDAO SIFANG CO., LTD.
    Inventors: Lijun Ma, Zhenxian Zhang, Pingyu Zhou, Sansan Ding, Zhiguo Cui, Guoping Zhang
  • BOGIE FOR HIGH-SPEED RAILWAY VEHICLE
    Publication number: 20160362120
    Abstract: A bogie for a high-speed railway vehicle includes a wheel set, an axle box, a primary spring suspension device, a frame, a secondary spring suspension device and a foundation braking device. A wheel of the wheel set has an LMA wheel tread. The foundation braking device is mounted by a three-point hitch structure. The axle box is a structure which is separatable in a vertical direction, and an off-line safety protecting device is mounted at a lower portion of the axle box. A traction rod of the secondary spring suspension device is a single traction rod. A center pin is provided with an integral hoisting device. Two anti-yaw dampers, as a group, are arranged at either side of the secondary spring suspension device, and the two anti-yaw dampers have the same damping coefficient.
    Type: Application
    Filed: November 13, 2015
    Publication date: December 15, 2016
    Applicant: CRRC QINGDAO SIFANG CO., LTD.
    Inventors: Lijun MA, Zhenxian ZHANG, Pingyu ZHOU, Sansan DING, Zhiguo CUI, Guoping ZHANG