SHEET METAL CORE FOR AN ELECTRIC MACHINE ROTOR OR STATOR
The sheet metal core with projections on the teeth securely immobilizes coils, addressing the challenge of coil extraction in electric machine manufacturing, resulting in stable and reliable windings.
FR3170142A1Pending Publication Date: 2026-06-19AMPERE SAS
Patent Information
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- AMPERE SAS
- Filing Date
- 2024-12-17
- Publication Date
- 2026-06-19
Smart Images
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Abstract
The invention relates to a sheet metal core (10) for a rotor or stator of an electric machine, said core (10) being made of a spiral winding of a sheet metal strip around an axis X comprising an alternation of tabs and slots, in particular of increasing widths as said winding is made, a superposition of said tabs and said slots delimiting respectively in said core teeth (20) and gaps (22), in which at least one projection 54 extends from at least one edge 58 of at least one of said teeth 20. Figure for the abstract: Figure 1.
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