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:
Feb. 08, 2022
Filed:
May. 21, 2020
Taiyuan University of Technology, Shanxi, CN;
Guiyang Plateau Machinery Company Limited, Guizhou, CN;
Ziming Kou, Taiyuan, CN;
Zhensheng Wang, Guiyang, CN;
Juan Wu, Taiyuan, CN;
Deling Xie, Taiyuan, CN;
Yandong Wang, Taiyuan, CN;
Yinru Bai, Taiyuan, CN;
Keliang Zhu, Taiyuan, CN;
Waiwen Zhang, Taiyuan, CN;
Li'nan Zhang, Taiyuan, CN;
Lipeng Zhu, Taiyuan, CN;
TAIYUAN UNIVERSITY OF TECHNOLOGY, Taiyuan, CN;
Guiyang Plateau Machinery Company Limited, Guiyang, CN;
Abstract
A mine explosion-isolating hoisting device with a built-in type permanent magnet motor includes a spindle fixed on the ground; a permanent magnet motor stator fixed on the spindle; a drum rotating relative to the spindle, the drum surrounding the spindle circumferentially; and a permanent magnet motor external rotor fixed by a spoke plate and rotating relative to the spindle; the drum is connected to the permanent magnet motor external rotor via an isolating disc; and a radial distance between an outer circumferential surface of the permanent magnet motor external rotor and an inner wall of the drum is greater than a preset value.