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:
Nov. 04, 2025
Filed:
Jun. 02, 2022
Yanfeng International Automotive Technology Co., Ltd., Shanghai, CN;
Xu Chen, Shanghai, CN;
Zhenhua Wang, Shanghai, CN;
Xun Tang, Shanghai, CN;
Liudong Hu, Shanghai, CN;
Yanfeng International Automotive Technology Co., Ltd., Shanghai, CN;
Abstract
Provided is a control assembly () for a seat belt retractor, the control assembly comprising a first electric motor (), a second electric motor (), a control module (), a third electric motor () and a retractor (), wherein the control module () is separately connected to the first electric motor (), the second electric motor () and the third electric motor (), and collects rotation signals of the first electric motor () and the second electric motor () and outputs a compensation signal to the third electric motor (); the rotation of the first electric motor () and the rotation of the second electric motor () are both related to the angle of the retractor (); and the third electric motor () is connected to the retractor () and directly compensates the angle of the retractor ().