Patents by Inventor HENGKANG ZHANG

HENGKANG ZHANG 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).

  • Linkage mechanism for driving aircraft landing gear bay door
    Patent number: 9868519
    Abstract: A linkage mechanism for controlling an aircraft landing gear hatch door includes a primary torsion tube having a first portion located inside a landing gear hatch and a second portion outside the landing gear hatch. A first drive apparatus transfer the driving force of a landing gear support column to the primary torsion tube. A secondary torsion tube has an inner end portion located inside the hatch and an outer end portion located outside the hatch. A second drive apparatus is located outside the landing gear hatch and connects the primary torsion tube and the secondary torsion tube outside the hatch. Two third drive apparatuses are connected between the inner end portion of the secondary torsion tube and one of the hatch doors.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: January 16, 2018
    Assignee: COMMERCIAL AIRCRAFT CORPORATION OF CHINA, LTD SHANGHAI AIRCRAFT DESIGN AND RESEARCH INSTITUTE
    Inventors: Jun Lv, Qinggong Meng, Pu Zhang, Hao Jiang, Shangxin Yang, Hengkang Zhang, Jian Ma
  • LINKAGE MECHANISM FOR DRIVING AIRCRAFT LANDING GEAR BAY DOOR
    Publication number: 20160129995
    Abstract: A linkage mechanism for controlling an aircraft landing gear hatch door includes a primary torsion tube having a first portion located inside a landing gear hatch and a second portion outside the landing gear hatch. A first drive apparatus transfer the driving force of a landing gear support column to the primary torsion tube. A secondary torsion tube has an inner end portion located inside the hatch and an outer end portion located outside the hatch. A second drive apparatus is located outside the landing gear hatch and connects the primary torsion tube and the secondary torsion tube outside the hatch. Two third drive apparatuses are connected between the inner end portion of the secondary torsion tube and one of the hatch doors.
    Type: Application
    Filed: August 20, 2014
    Publication date: May 12, 2016
    Inventors: JUN LV, QINGGONG MENG, PU ZHANG, HAO JIANG, SHANGXIN YANG, HENGKANG ZHANG, JIAN MA