Invention Grant
- Patent Title: Power tool and control method thereof
-
Application No.: US16390337Application Date: 2019-04-22
-
Publication No.: US10972023B2Publication Date: 2021-04-06
- Inventor: Hongwei Wang , Qian Xu
- Applicant: Nanjing Chervon Industry Co., Ltd.
- Applicant Address: CN Jiangsu
- Assignee: Nanjing Chervon Industry Co., Ltd.
- Current Assignee: Nanjing Chervon Industry Co., Ltd.
- Current Assignee Address: CN Jiangsu
- Agency: McCarter & English, LLP
- Priority: CN201610940637.8 20161101
- Main IPC: H02P6/15
- IPC: H02P6/15 ; H02P6/28 ; B24B47/12 ; B24B49/16 ; H02P29/40 ; H02P25/18 ; B25F5/00 ; H02P6/00

Abstract:
A power tool and a control method of the power tool are provided. The power tool includes a rotor and a stator having a first phase winding, a second phase winding and a third phase winding; a power supply module configured to power the motor; a drive circuit configured to electrically connecting the power module to at least two of the first phase winding, the second winding, and the third phase winding; a controller configured to control the drive circuit to connect the first phase winding, the second phase winding, and the third phase winding to the power supply module according to a rotational position of the rotor.
Public/Granted literature
- US20190245464A1 Power Tool and Control Method Thereof Public/Granted day:2019-08-08
Information query