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US 2024/0136870 A1Published application
Esm with reduced torque ripple
AssigneeAudi AG
InventorFlorian BITTNER
Life of this patent
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Abstract
Provided is an externally excited synchronous machine (ESM) with reduced torque ripple, a rotor designed for the excited synchronous machine, and a method for production of the rotor.
Claims10
A rotor for an externally excited synchronous machine, comprising:
- pole shoes having an outer contour composed of straight line segments, the ends of which are situated on a line corresponding to a sine field pole contour.
A method for producing a rotor, the method comprising:
- punching sheet metal slats out with a punch tool, the punch tool adapted to give pole shoes of the sheet metal slats an outer contour composed of straight line segments, the ends of which are situated on a line corresponding to a sine field pole contour.
Dependencies are inferred from the claim text.