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. 02, 2021
Filed:
Jun. 25, 2019
Applicant:
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Inventor:
Qingsong Yang, Nanjing, CN;
Assignee:
Nanjing Chervon Industry Co., Ltd., Nanjing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 9/06 (2006.01); B25F 5/00 (2006.01); H02K 9/02 (2006.01); H02K 9/22 (2006.01); B24B 23/02 (2006.01);
U.S. Cl.
CPC ...
B25F 5/008 (2013.01); H02K 9/02 (2013.01); H02K 9/22 (2013.01); B24B 23/02 (2013.01);
Abstract
A power tool includes a housing, a tool attachment, an output shaft, an electric motor, and an airflow channel. The housing includes an air inlet and an air outlet, and an airflow channel is formed between the air inlet and the air outlet. The electric motor includes an electric motor shaft, a stator and a rotor. The power tool further includes a thermal conduction member disposed between the rotor and the stator and configured to transfer heat between the rotor and the stator into the airflow channel. Further disclosed is an angle grinder. The power tool has good heat dissipation performance.