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1. (WO2018059877) ELECTRIC DRIVE MOTOR

Pub. No.:    WO/2018/059877    International Application No.:    PCT/EP2017/072067
Publication Date: Fri Apr 06 01:59:59 CEST 2018 International Filing Date: Tue Sep 05 01:59:59 CEST 2017
IPC: H02K 1/27
Applicants: BSH HAUSGERÄTE GMBH
Inventors: BÖTTGER, Torsten
FARKAS, Viliam
KALAVSKY, Michal
WALTER, Axel
Title: ELECTRIC DRIVE MOTOR
Abstract:
The invention relates to an electric drive motor (1) having a stator (2) with pole shoes and at least one electrically actuable stator winding, and having a permanent-magnet rotor (3) which is mounted such that it can be rotationally driven in the field of the stator winding leaving an annular gap and which has a motor shaft (4) and a laminated core (5) which is situated on the motor shaft (4) and has at least a number of pockets (6) which corresponds to the number of poles of the permanent-magnet rotor (3) and into each of which pockets one of the permanent magnets (7) is inserted, and having a spring apparatus (8) which is designed to fix the permanent magnets (7), which are inserted into the pockets (6), within the pockets (6) such that they are prestressed to the outside in the radial direction in each case. The invention also relates to a domestic appliance comprising an electric drive motor (1) of this kind.