Patents by Inventor Zhi bin YAO

Zhi bin YAO 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: 10324014
    Abstract: A high-pressure true triaxial test apparatus with capacity of low-frequency disturbance and high-speed impact includes static and dynamic loading frames, four static loading actuators, two dynamic loading actuators and an SHPB mechanism, wherein all actuators are connected with a hydraulic station system; a hollow way is formed in the axial center of each piston shaft of the dynamic loading actuators, a dynamic pressure sensor adopting a hollow ring structure is mounted at the end part of each piston shaft, and the SHPB mechanism applies a high-speed impact load on a rock sample through the dynamic pressure sensors respectively; and the dynamic loading actuators adopt a static pressure oilway balance support sealing manner and are connected with the hydraulic station system, each oilway is provided with an energy accumulator, and flow is increased by the servo valves to drive pistons to perform dynamic response.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: June 18, 2019
    Assignee: NORTHEASTERN UNIVERSITY
    Inventors: Xia ting Feng, Xi wei Zhang, Rui Kong, Cheng xiang Yang, Dong hui Ma, Shuai Peng, Lei Shi, Zhi bin Yao, Jun Tian
  • Publication number: 20180275034
    Abstract: A high-pressure true triaxial test apparatus with capacity of low-frequency disturbance and high-speed impact includes static and dynamic loading frames, four static loading actuators, two dynamic loading actuators and an SHPB mechanism, wherein all actuators are connected with a hydraulic station system; a hollow way is formed in the axial center of each piston shaft of the dynamic loading actuators, a dynamic pressure sensor adopting a hollow ring structure is mounted at the end part of each piston shaft, and the SHPB mechanism applies a high-speed impact load on a rock sample through the dynamic pressure sensors respectively; and the dynamic loading actuators adopt a static pressure oilway balance support sealing manner and are connected with the hydraulic station system, each oilway is provided with an energy accumulator, and flow is increased by the servo valves to drive pistons to perform dynamic response.
    Type: Application
    Filed: March 28, 2017
    Publication date: September 27, 2018
    Inventors: Xia ting FENG, Xi wei ZHANG, Rui KONG, Cheng xiang YANG, Dong hui MA, Shuai PENG, Lei SHI, Zhi bin YAO, Jun TIAN