Patents by Inventor Chaozhi ZHAI

Chaozhi ZHAI 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).

  • Central traction device for straddling monorail train
    Patent number: 10507847
    Abstract: A central traction device for a straddling monorail train includes a traction pin and a traction beam. A central sleeve is provided at the center of the traction beam, and the traction pin is mounted in the central sleeve. An inner cavity of the central sleeve has a corset-shaped structure having large diameters on an upper end and a lower end and a small diameter at a middle part, forming double tapered bevels, and a resilient rubber bush is provided between an inner wall of the central sleeve and the traction pin. The device has a simple and compact overall structure and facilitates connection and separation between the train body and the bogie; by providing the lift assembly, the traction device is fixedly connected to the frame, thus the traction device can be wholly lifted; and operation process and environment of raising and lowering the vehicle are improved.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: December 17, 2019
    Assignee: CRRC QINGDAO SIFANG CO., LTD.
    Inventors: Jinming Zhou, Yuejun Zhang, Huijie Zhang, Lijun Ma, Xiaojun Lv, Haiqin Zhao, Xiaojiang Zhou, Shuliang Song, Wei Zhao, Yujie Shi, Chaozhi Zhai
  • CENTRAL TRACTION DEVICE FOR STRADDLING MONORAIL TRAIN
    Publication number: 20180345996
    Abstract: A central traction device for a straddling monorail train includes a traction pin and a traction beam. A central sleeve is provided at the center of the traction beam, and the traction pin is mounted in the central sleeve. An inner cavity of the central sleeve has a corset-shaped structure having large diameters on an upper end and a lower end and a small diameter at a middle part, forming double tapered bevels, and a resilient rubber bush is provided between an inner wall of the central sleeve and the traction pin. The device has a simple and compact overall structure and facilitates connection and separation between the train body and the bogie; by providing the lift assembly, the traction device is fixedly connected to the frame, thus the traction device can be wholly lifted; and operation process and environment of raising and lowering the vehicle are improved.
    Type: Application
    Filed: December 13, 2016
    Publication date: December 6, 2018
    Applicant: CRRC QINGDAO SIFANG CO., LTD.
    Inventors: Jinming ZHOU, Yuejun ZHANG, Huijie ZHANG, Lijun MA, Xiaojun LV, Haiqin ZHAO, Xiaojiang ZHOU, Shuliang SONG, Wei ZHAO, Yujie SHI, Chaozhi ZHAI