Patents by Inventor Dongyuan LIU

Dongyuan LIU 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).

  • Roof segments for the roof of a carriage body
    Patent number: 11370463
    Abstract: The application relates to roof segments for constructing a roof of a carriage body for a rail vehicle for passenger transport, in particular for use in short-haul operation, such as underground and suburban trains, the rail vehicles or the train units formed by same must be accelerated and decelerated at short intervals. The roof segments are designed in the form of plates, shells or half-shells and consist of an outer wall and an inner wall at a distance to same. At least two roof segments are configured in such a way that the protruding region of the outer wall or inner wall of one roof segment is interlockingly, force-lockingly and/or integrally connected to the non-protruding region of the outer wall or inner wall of the neighbouring roof segment. The roof segments consist at least partially of a fibre-reinforced plastic composite.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: June 28, 2022
    Assignees: CRRC QINGDAO SIFANG CO., LTD., CG RAIL—CHINESISCH-DEUTSCHES FORSCHUNGS—UND ENTWICKLUNGSZENTRUM FÜR BAHN—UND VERKEHRSTECHNIK DRESDEN GMBH
    Inventors: Shaoqing Liu, Zhicheng Guo, Zhengyu Song, Dongyuan Liu, Jiajie He, Qinshu Tu, Werner Hufenbach, Andreas Ulbricht
  • ROOF SEGMENTS FOR THE ROOF OF A CARRIAGE BODY
    Publication number: 20210331718
    Abstract: The application relates to roof segments for constructing a roof of a carriage body for a rail vehicle for passenger transport, in particular for use in short-haul operation, such as underground and suburban trains, the rail vehicles or the train units formed by same must be accelerated and decelerated at short intervals. The roof segments are designed in the form of plates, shells or half-shells and consist of an outer wall and an inner wall at a distance to same. At least two roof segments are configured in such a way that the protruding region of the outer wall or inner wall of one roof segment is interlockingly, force-lockingly and/or integrally connected to the non-protruding region of the outer wall or inner wall of the neighbouring roof segment. The roof segments consist at least partially of a fibre-reinforced plastic composite.
    Type: Application
    Filed: February 8, 2018
    Publication date: October 28, 2021
    Applicants: CRRC QINGDAO SIFANG CO., LTD., CG RAIL - CHINESISCH-DEUTSCHES FORSCHUNGS- UND ENTWICKLUNGSZENTRUM FÜR BAHN- UND VERKEHRSTECHNIK DRE
    Inventors: Shaoqing LIU, Zhicheng GUO, Zhengyu SONG, Dongyuan LIU, Jiajie HE, Qinshu TU, Werner HUFENBACH, Andreas ULBRICHT