Improved method for manufacturing inclined stators with stator windings with parallel conductor portions

FR3152344A1Pending Publication Date: 2025-02-28VALEO EAUTOMOTIVE GERMANY GMBH
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Patent Information

Application Number
FR2023008874
Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-08-23
Publication Date
2025-02-28

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Abstract

A method for manufacturing a stator (11) for an electrical machine (1) is shown, in which a stator lamination pack (12) is prepared with several helical stator notches (15) that form an inclination of the stator lamination pack (12). A stator winding (14, 14a, 14b) is further provided, comprising several parallel, straight conductor portions (B, B1, B2) and several connecting portions (C), at least two of the parallel conductor portions (B, B1, B2) being connected at each end by one of the connecting portions (C). Finally, the stator winding (14, 14a, 14b) is introduced into the slots of the stator (15), the stator winding (14, 14a, 14b) already exhibiting before its introduction into the stator slots (15) an asymmetry corresponding to the inclination.An intermediate product of a stator winding (14, 14a, 14b), an electric machine (1) with a stator (11) of the type mentioned, and a vehicle (22) with such an electric machine (1) are also indicated. Fig. 4.
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Claims

12. Electrical machine (1), characterized by a stator (11), which is manufactured according to a method according to one of claims 1 to 9, and a rotor (5) arranged so as to be rotatable therein.

13. A vehicle (22) comprising an electric machine (1) according to claim 12, which is provided for driving the vehicle (22). [Fig. 1] [Fig. 2] [Fig. 3] 2 / 4- [Fig. 7]

Citation Information

Patent Citations

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    JP2009044901A

  • Stator and stator manufacturing method

    WO2019065103A1

  • Method of forming a stator having skewed slots and a stator including skewed slots

    WO2020247344A1