Patents by Inventor Changyu XIE

Changyu XIE 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).

  • Patent number: 10927594
    Abstract: A vehicle door for a railway vehicle and a railway vehicle includes the vehicle door include a first door skin, a second door skin and a foaming material forming a laminated structure, the foaming material being filled between the first and second door skins, wherein the first door skin has at least one folded edge portion, and the second door skin has a first bent edge portion tightly clamped in the folded edge portion in a position corresponding to each of the folded edge portions. Since during the fixing of the first and second door skins, at least part thereof is realized by a folding and clamping technique, adhesion failure risk between the door skins and a frame body is effectively lowered during use, the reliability of the fixed connection between the two door skins is improved, and the vehicle door weight and the production cost are reduced during manufacture.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: February 23, 2021
    Assignee: IFE-VICTALL Railway Vehicle Door Systems (Qingdao) Co., Ltd.
    Inventors: Duanjun Ma, Changyu Xie, Werner Hoefler
  • Publication number: 20200270938
    Abstract: A vehicle door for a railway vehicle and a railway vehicle includes the vehicle door include a first door skin, a second door skin and a foaming material forming a laminated structure, the foaming material being filled between the first and second door skins, wherein the first door skin has at least one folded edge portion, and the second door skin has a first bent edge portion tightly clamped in the folded edge portion in a position corresponding to each of the folded edge portions. Since during the fixing of the first and second door skins, at least part thereof is realized by a folding and clamping technique, adhesion failure risk between the door skins and a frame body is effectively lowered during use, the reliability of the fixed connection between the two door skins is improved, and the vehicle door weight and the production cost are reduced during manufacture.
    Type: Application
    Filed: December 15, 2016
    Publication date: August 27, 2020
    Applicant: IFE-VICTALL Railway Vehicle Door Systems (Qingdao) Co., Ltd.
    Inventors: Duanjun MA, Changyu XIE, Werner HOEFLER