Patents by Inventor Youming Zhao

Youming Zhao 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).

  • Ballastless track system
    Patent number: 9758932
    Abstract: A ballastless track system comprises a base; a track slab arranged above the base; a poured-field layer arranged between the base and the track slab, the poured-field layer being formed by filling self-compacting concrete, emulsified asphalt cement mortar or resin mortar, and the inside of the poured-field layer being of a steel bar structure; a connecting piece, the first end of the connecting piece extending into the track slab, and the second end of the connecting piece extending into the poured-field layer; and two rows of rail-seat arranged on the track slab in parallel; and rails arranged on the rail-seat. The ballastless track system is high in reliability, good in durability, and easy in construction and maintenance.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: September 12, 2017
    Assignee: RAILWAY ENGINEERING RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES
    Inventors: Chunfang Lu, Youming Zhao, Cheng Jiang, Jijun Wang, Meng Wang, Yong Zhao, Weibin Liu, Ziqing Jiang, Ruilin You, Xianggang Du, Jia Fan
  • BALLASTLESS TRACK SYSTEM
    Publication number: 20140203094
    Abstract: A ballastless track system comprises a base; a track slab arranged above the base; a poured-field layer arranged between the base and the track slab, the poured-field layer being formed by filling self-compacting concrete, emulsified asphalt cement mortar or resin mortar, and the inside of the poured-field layer being of a steel bar structure; a connecting piece, the first end of the connecting piece extending into the track slab, and the second end of the connecting piece extending into the poured-field layer; and two rows of rail-seat arranged on the track slab in parallel; and rails arranged on the rail-seat. The ballastless track system is high in reliability, good in durability, and easy in construction and maintenance.
    Type: Application
    Filed: August 28, 2012
    Publication date: July 24, 2014
    Applicant: RAILWAY ENGINEERING RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES
    Inventors: Chunfang Lu, Youming Zhao, Cheng Jiang, Jijun Wang, Meng Wang, Yong Zhao, Weibin Liu, Ziqing Jiang, Ruilin You, Xianggang Du, Jia Fan