ROTOR FOR AN ELECTRIC MOTOR WITH STATOR COOLING
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United States of America
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Issued Date -
Jan 9, 2025
app pub date -
Jun 28, 2024
filing date -
Jun 28, 2024
priority date (Note) -
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Abstract
An internal rotor for an electric motor, which is designed to rotate in a stator due to a magnetic field generated in the stator to drive a rotor shaft arranged on a rotor axis, the internal rotor including a rotor body having rotor teeth, rotor windings which are arranged on the rotor teeth, a displacement body is arranged in a circumferential direction of the rotor between adjacent rotor teeth. The at least one displacement body includes a cooling channel configured to enable transport of a coolant between a first reinforcement ring including a coolant inlet and a second reinforcement ring including a coolant outlet. The first reinforcement ring and the second reinforcement ring are arranged in an axial direction on opposite end faces of the rotor. The coolant outlet is configured such that the escaping coolant experiences a movement via a component in a radial direction of the rotor.
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