Wound rotor for an electric motor provided with a cooling circuit
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United States of America Patent
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Issued Date -
Oct 17, 2024
app pub date -
Oct 13, 2022
filing date -
Oct 13, 2022
priority date (Note) -
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Abstract
The invention relates to a wound rotor (10) for an electric motor (1), comprising: —a rotor shaft (12) rotatably mounted about an axis (X); —rotor laminations (14) mounted coaxially on the rotor shaft (12), said rotor laminations (14) having alternating poles and interpolar spaces; —a front winding flange (15) and a rear winding flange (15′) mounted coaxially on the rotor shaft (12) and arranged axially on either side of the rotor laminations (14); —windings (16) partially surrounding the poles (141) of the rotor laminations (14) and the front and rear winding flanges (15, 15′); wherein a plurality of fluid flow channels pass through the front winding flange (15) and/or the rear winding flange (15′), through which flow channels a cooling fluid can flow.
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