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:
Jun. 14, 2022
Filed:
Dec. 06, 2019
Jilin University, Jilin, CN;
Junnian Wang, Jilin, CN;
Kai Wang, Jilin, CN;
Dachang Guo, Jilin, CN;
Chunlin Zhang, Jilin, CN;
Rui Luo, Jilin, CN;
Zhenhao Zhang, Jilin, CN;
Jiulong Gao, Jilin, CN;
Jiantu Ni, Jilin, CN;
Jilin University, Changchun, CN;
Abstract
A two-speed transmission system integrated with an inner rotor hub motor, including an inner rotor hub motor, a steering knuckle, a fastening screw, a first transmission casing, a second transmission casing, a screw, a first planetary gear train, a second planetary gear train, a first electromagnetic brake, a second electromagnetic brake, a tire, a wheel rim, a rim bolt, a rim nut, a wheel hub, a shaft end bolt, a brake disc and a brake caliper. This invention also provides an electric vehicle, which balances the requirements for dynamics performance and driving economics and achieves better overall performances. The two-speed transmission system of this invention realizes gear shifting and long-term no-power parking braking.