A power tool including a housing and a motor assembly positioned within the housing. The motor assembly includes a stator with winding slots that receive stator windings and a rotor. The rotor includes a rotor body with a first slot positioned a first distance from a center of the rotor body, a second slot positioned a second distance from the center of the rotor body, and a third slot positioned a third distance from the center of the rotor body. The first slot, the second slot, and the third slot are curved about a common center. The rotor further includes a first magnet positioned within the first slot, a second magnet positioned within the second slot, and a third magnet positioned within the third slot.
Patent
BriefPatent brief
Problem
How can vibration in electric motors and rotors be reduced?
Novelty
The motor assembly includes a stator with winding slots that receive stator windings and a rotor.
Uses
Patent review
Assignee
Milwaukee Electric Tool Corporation
Published
Mar 10, 2026
Inventors
Keith Boulanger
Domain
Electromechanical systems
Problem
How can vibration in electric motors and rotors be reduced?
Solution
power tool including a housing and a motor assembly positioned within the housing.
Key novelty
The motor assembly includes a stator with winding slots that receive stator windings and a rotor.
Applications
Relevant search intents