Patents by Inventor Changping ZHU

Changping ZHU 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).

  • Underframe end structure without bolster beam for rail vehicle
    Patent number: 11964679
    Abstract: An underframe end structure without a bolster beam for a rail vehicle, including an underframe end beam, an underframe edge beam, a coupler mounting base, coupler support beams, and oblique support beams, where the front of the coupler mounting base is connected to the underframe end beam through the oblique support beams, two sides of the coupler mounting base are connected to the underframe edge beam through the coupler support beams, so that quadrilateral frame structures are respectively formed on the two sides of the coupler mounting base, the oblique support beams form an included angle of 55° to 80° with a forward opening, and the coupler support beams form an included angle of 120° to 140° with a backward opening.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: April 23, 2024
    Assignee: CRRC Nanjing Puzhen Co., Ltd.
    Inventors: Juxing Liang, Xingwen Wang, Yunchuan Li, Yongjun Li, Wenjie Huang, Changping Zhu
  • UNDERFRAME END STRUCTURE WITHOUT BOLSTER BEAM FOR RAIL VEHICLE
    Publication number: 20230109547
    Abstract: An underframe end structure without a bolster beam for a rail vehicle, including an underframe end beam, an underframe edge beam, a coupler mounting base, coupler support beams, and oblique support beams, where the front of the coupler mounting base is connected to the underframe end beam through the oblique support beams, two sides of the coupler mounting base are connected to the underframe edge beam through the coupler support beams, so that quadrilateral frame structures are respectively formed on the two sides of the coupler mounting base, the oblique support beams form an included angle of 55° to 80° with a forward opening, and the coupler support beams form an included angle of 120° to 140° with a backward opening.
    Type: Application
    Filed: September 30, 2019
    Publication date: April 6, 2023
    Applicant: CRRC Nanjing Puzhen Co., Ltd.
    Inventors: Juxing LIANG, Xingwen WANG, Yunchuan LI, Yongjun LI, Wenjie HUANG, Changping ZHU