Patents by Inventor Yawen Cui

Yawen Cui 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).

  • S-shape detection test piece and a detection method for detecting the precision of the numerical control milling machine
    Patent number: 8061052
    Abstract: The present invention relates to an “S” shaped detection test piece for comprehensively detecting the precision of the numerical control milling machine and the detection method thereof. The detection test piece consists of an “S” shaped equal thickness edge strip (1) and a rectangular base (2), respectively forming two “S” shaped curves in two different planes and the projections of which in the base plane (3) cross each other and have open and close angle (?) states formed at the intersection.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: November 22, 2011
    Assignee: Chengdu Aircraft Industrial (Group) Co., Ltd.
    Inventors: Zhiyong Song, Yawen Cui
  • S-SHAPE DETECTION TEST PIECE AND A DETECTION METHOD FOR DETECTING THE PRECISION OF THE NUMERICAL CONTROL MILLING MACHINE
    Publication number: 20100004777
    Abstract: The present invention relates to an “S” shaped detection test piece for comprehensively detecting the precision of the numerical control milling machine and the detection method thereof. The detection test piece consists of an “S” shaped equal thickness edge strip (1) and a rectangular base (2), respectively forming two “S” shaped curves in two different planes and the projections of which in the base plane (3) cross each other and have open and close angle (?) states formed at the intersection.
    Type: Application
    Filed: January 11, 2008
    Publication date: January 7, 2010
    Applicant: Chengdu Aircraft INdustrial (Group) Co., Ltd
    Inventors: Zhiyong Song, Yawen Cui