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. 03, 2025
Filed:
Aug. 23, 2023
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Wenkang Tong, Nanjing, CN;
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Abstract
A power tool includes: an electric motor including a rotor and multi-phase stator windings; multiple power switches arranged between a power supply and the electric motor and including multiple high-side switches and multiple low-side switches; a parameter detection device configured to detect an electrical parameter of the electric motor; and a controller configured to output a control signal to control the multiple power switches and at least configured to control the electric motor to brake. The controller is further configured to: determine, according to the electrical parameter, a brake timing for braking the electric motor and start controlling the electric motor to brake when the brake timing arrives.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile