Patents by Inventor Yongjiang MA

Yongjiang MA 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).

  • GROUND RAIL TRANSFER DEVICE AND GAUGE CHANGING SYSTEM
    Publication number: 20210395952
    Abstract: A ground rail transfer device includes: a support rail provided on the ground and used for unloading a vertical load of a bogie in a rail vehicle; a guide rail provided on the ground and used for driving the bogie to perform a rail transfer operation; and a transition plate provided on the ground and located between a first rail and a second rail which are different in a gauge; wherein a difference between the top surface height of the transition plate and the top surface height of the first rail is equal to a distance between a wheel rim vertex circle and a wheel tread of the rail vehicle.
    Type: Application
    Filed: September 7, 2018
    Publication date: December 23, 2021
    Applicant: CRRC TANGSHAN CO., LTD.
    Inventors: Xiaojun ZHANG, Jianke ZHENG, Lijun ZHANG, Hongjiang XU, Xiuyu SUN, Feng ZHAO, Yongjiang MA, Xueyi SONG, Guangsheng ZHENG, Taoguang HAO, Wei WANG