COOLING JACKET FOR ELECTRIC MOTOR HAVING CONFIGURATION FOR REDUCING ELECTROMAGNETIC NOISE
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United States of America Patent
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Issued Date -
Aug 24, 2023
app pub date -
Dec 13, 2022
filing date -
Feb 23, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A cooling jacket for an electric motor having a configuration for reducing electromagnetic noise comprises a stator outer housing substantially in the form of a hollow cylinder surrounding the cooling jacket which is also substantially in the form of a hollow cylinder; a stator core in the form of a hollow cylinder located inside the cooling jacket; and a rotor rotatably mounted inside the stator core. The stator outer housing has an end portion configured to form a bearing housing of the motor. The cooling jacket comprises a bearing housing cooling portion and a stator cooling portion; at least one O-ring between the cooling jacket and the stator outer housing, and at least one O-ring between the bearing housing cooling portion and the stator cooling portion; and a gap between the cooling jacket and the stator outer housing.
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