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:
Sep. 23, 2025
Filed:
Oct. 03, 2022
Johnson Electric International Ag, Murten, CH;
Quantong Ma, Shenzhen, CN;
Mingwai Chau, Hong Kong, CN;
Allan Madrid, Hong Kong, CN;
Anping Zhao, Shenzhen, CN;
JOHNSON ELECTRIC INTERNATIONAL AG, Murten, CH;
Abstract
The invention provides a power tool, a motor and a rotor thereof. The rotor includes a housing, a rotating shaft fixed on the housing, a yoke accommodated in the housing, and permanent magnets mounted on the yoke. The housing includes a bottom wall and a sidewall extending from an outer periphery of the bottom wall in an axial direction of the rotor. The rotor further includes a cooling fan, the cooling fan is located at an axial distal end of the sidewall away from the bottom wall. The rotating shaft, the yoke, the permanent magnets, the cooling fan and the housing are formed into a non-detachable whole by overmolding.