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AssigneeSchaeffler Technologies AG & Co. KG
InventorsJean-Francois Heller, Martin Häßler, Alain Rusch, László Sarkadi
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A rotor is disclosed which has first and second rotor bodies with first and second groups of permanent magnets, respectively, wherein the first and second rotor bodies are rotated relative to each other about a common rotational axis against an effect of a torsional stiffness mechanism by a field-attenuation mechanism. The field-attenuation mechanism includes a first lever element pivoted about a fulcrum. The first and second rotor bodies are coupled to first and second lever sections, respectively, of the lever element. The lever sections are arranged on opposite sides of the lever relative to a circumferential direction so that by tilting the lever element, the first and second rotor bodies are rotated relative to each other to adjust the field-attenuation mechanism. Coaxially within the rotor bodies, a rotor shaft is torque-transmittingly coupled to the rotor bodies by the lever element. The lever element is pivotably mounted on the rotor shaft.
A rotor for an electric machine, wherein the rotor has at least one first rotor body with a first group of permanent magnets and a second rotor body with a second group of permanent magnets, wherein the first rotor body and the second rotor body can be rotated relative to each other about a common rotational axis against the effect of a first torsional stiffness mechanism by a mechanical field-attenuation mechanism, the the field-attenuation mechanism comprises a lever element which is pivoted about a fulcrum, wherein the first rotor body is coupled to a first lever section and the second rotor body is coupled to a second lever section of the lever element, and the first lever section and the second lever section are arranged on opposite sides of the lever element relative to a circumferential direction so that by tilting the lever element, the first rotor body and the second rotor body are deliberately rotated relative to each other in order to produce a desired adjustment of the mechanical field-attenuation mechanism, wherein, coaxially within the first rotor body and the second rotor body, a rotor shaft is torque-transmittingly coupled to the first rotor body and the second rotor body by the lever element, wherein the lever element is pivotably mounted on the rotor shaft.
Dependencies are inferred from the claim text.