Patents by Inventor Haijun GUO

Haijun GUO 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).

  • Cutting method for aluminum alloy casting, and trimming die
    Patent number: 11376670
    Abstract: The present disclosure discloses a cutting method for an aluminum alloy casting, and a trimming die. The cutting method for the aluminum alloy casting includes the following steps of: drilling a part to be cut off of the aluminum alloy casting by multiple annular drills, and withdrawing the annular drills when the annular drills drill to a preset position; and separating multiple scraps to be separated from the aluminum alloy casting by the trimming die.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: July 5, 2022
    Assignee: CITIC DICASTAL CO., LTD.
    Inventors: Haijun Guo, Dengyao Li, Gang Zhao, Yacong Zhang, Zhi Chen
  • Trimming die for casting of front steering knuckle in double-wishbone suspension
    Patent number: 11123786
    Abstract: The present disclosure relates to the technical field of trimming dies and specifically relates to a trimming die for a casting of a front steering knuckle in a double-wishbone suspension. The trimming die includes an upper roof, an intermediate plate, a movable plate, a base, springs, connecting columns, a pressing block connecting rod, a cutting edge, a pressing block, a casting, hold-down blocks, a first supporting block and second supporting blocks.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: September 21, 2021
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Zuo Xu, Haijun Guo, Dengyao Li, Zhi Chen, Yacong Zhang
  • TRIMMING DIE FOR CASTING OF FRONT STEERING KNUCKLE IN DOUBLE-WISHBONE SUSPENSION
    Publication number: 20200406332
    Abstract: The present disclosure relates to the technical field of trimming dies and specifically relates to a trimming die for a casting of a front steering knuckle in a double-wishbone suspension. The trimming die includes an upper roof, an intermediate plate, a movable plate, a base, springs, connecting columns, a pressing block connecting rod, a cutting edge, a pressing block, a casting, hold-down blocks, a first supporting block and second supporting blocks.
    Type: Application
    Filed: March 26, 2020
    Publication date: December 31, 2020
    Inventors: Haijun GUO, Dengyao LI, Zhi CHEN, Yacong ZHANG
  • CUTTING METHOD FOR ALUMINUM ALLOY CASTING, AND TRIMMING DIE
    Publication number: 20200406372
    Abstract: The present disclosure discloses a cutting method for an aluminum alloy casting, and a trimming die. The cutting method for the aluminum alloy casting includes the following steps of: drilling a part to be cut off of the aluminum alloy casting by multiple annular drills, and withdrawing the annular drills when the annular drills drill to a preset position; and separating multiple scraps to be separated from the aluminum alloy casting by the trimming die.
    Type: Application
    Filed: September 16, 2019
    Publication date: December 31, 2020
    Inventors: Haijun Guo, Dengyao Li, Gang Zhao, Yacong Zhang, Zhi Chen
  • Energy storage system
    Patent number: D947778
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: April 5, 2022
    Assignee: DONGGUAN POWERAMP TECHNOLOGY LIMITED
    Inventors: Lei Qin, Haijun Guo, Changjian Shao