The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2025
Filed:
Dec. 19, 2022
Chongqing University, Chongqing, CN;
Shoujian Peng, Chongqing, CN;
Jiang Xu, Chongqing, CN;
Qingfeng Xu, Chongqing, CN;
Liang Cheng, Chongqing, CN;
Li Jia, Chongqing, CN;
Bin Zhou, Chongqing, CN;
Yi'an Chen, Chongqing, CN;
Feng Jiao, Chongqing, CN;
Yan Yang, Chongqing, CN;
Hailin Yang, Chongqing, CN;
Qingqing Gan, Chongqing, CN;
Xiaomei Wang, Chongqing, CN;
Chongqing University, Shapingba, CN;
Abstract
A testing device for simulating coalbump includes a testing chamber. A first oil cylinder, a second oil cylinder and a third oil cylinder are provided within the testing chamber; each piston rod of each oil cylinder can stretch or retract. A first reaction seat, a second reaction seat and a third reaction seat are arranged opposite to a side of the first piston rod of the first oil cylinder, a side of the second piston rod of the second oil cylinder and a side of the third piston rod of the third oil cylinder respectively. The testing device includes a shear loading unit including a fourth oil cylinder and a fifth oil cylinder located on a same axis, and a side of a fourth piston rod of the fourth oil cylinder and a side of a fifth piston rod of the fifth oil cylinder are arranged opposite to each other.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile