Electric Machine
AssigneeBayerische Motoren Werke Aktiengesellschaft
InventorsJulian BLUM, Andreas HUBER, Markus LANG, Joerg MERWERTH, Angusto GUCCIONE
Life of this patent
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Abstract
An electric machine has a housing and has a stator inside the housing, surrounding a rotor arranged on a motor shaft so as to be fixed to the shaft. A rotary field winding, at the ends of the stator, forms a winding head. The winding heads are embedded in a thermally conductive encapsulation material, wherein the encapsulation material is in thermal contact with the housing along the outer circumference of the winding head. A segmented cooling plate is arranged on the inner circumference of the encapsulation winding head.
Claims12
An electric machine, comprising:
- a housing;
- a stator arranged within the housing;
- a rotor arranged fixedly on a motor shaft, the stator surrounding the rotor and having a rotating-field winding which forms one winding head at each face side of the stator, wherein the winding heads at the face sides are embedded in a thermally conductive encapsulation material, the thermally conductive encapsulation material is, along an outer circumference of each winding head, in thermal contact with the housing;
- and
- a segmented cooling plate arranged on an inner circumference of each of the encapsulated winding heads.
An electric machine, comprising:
- a housing;
- a stator arranged within the housing;
- a rotor arranged fixedly on a motor shaft, wherein the stator surrounds the rotor and has a rotating-field winding which forms a winding head at each face side of the stator;
- a thermally conductive encapsulation material in which at least one winding head is embedded, the encapsulation material being in thermal contact with the housing along an outer circumference of the winding head;
- and
- a segmented cooling plate arranged on an inner circumference of the thermally conductive encapsulation material in which the winding head is embedded.
Dependencies are inferred from the claim text.