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:
Oct. 03, 2023
Filed:
Nov. 12, 2018
Shenzhen University, Guangdong, CN;
Sichuan University, Sichuan, CN;
Heping Xie, Sichuan, CN;
Mingzhong Gao, Sichuan, CN;
Ling Chen, Sichuan, CN;
Zhilong Zhang, Sichuan, CN;
Jun Guo, Sichuan, CN;
Zetian Zhang, Sichuan, CN;
Ru Zhang, Sichuan, CN;
Yiqiang Lu, Sichuan, CN;
Cong Li, Sichuan, CN;
Zhiqiang He, Sichuan, CN;
SHENZHEN UNIVERSITY, Guangdong, CN;
SICHUAN UNIVERSITY, Sichuan, CN;
Abstract
A coring drill tool driving structure has a driving motor (), an outer cylinder () and a coring drill tool (). The driving motor comprises an outer rotor () and an inner stator (), the inner wall of the outer rotor and the outer wall of the inner stator are provided with ribs () mutually matched, the outer rotor and inner stator are in clearance fit, the clearance between the outer rotor and the inner stator is a driving liquid flow path (), the outer rotor length is smaller than the inner stator length, the outer rotor is located between front and rear ends of the inner stator, the outer rotor is connected to the outer cylinder, a front end of the outer cylinder is connected to the coring drill tool, and a rear end of the inner stator is connected to a coupling ().