INTEGRATED ELECTRIC MOTOR DRIVE AND DRY RUNNER CENTRIFUGAL PUMP ASSEMBLY WITH SUCH AN INTEGRATED ELECTRIC MOTOR DRIVE
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United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Dec 2, 2022
filing date -
Dec 2, 2022
priority date (Note) -
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Abstract
An integrated electric motor drive. The motor drive having rotatable parts with a drive shaft and a rotor, wherein the drive shaft extends along a rotor axis and the rotor is mechanically coupled to the drive shaft; and static parts having a stator and power electronics for controlling an electric current through the stator. The integrated electric motor drive has a liquid cooling system with a closed liquid cooling circuit and a liquid coolant agitator. The closed liquid cooling circuit is filled with liquid coolant being in thermal contact with the stator and/or the power electronics. The liquid coolant agitator is arranged and configured to circulate the liquid coolant along the closed liquid cooling circuit. The liquid coolant agitator is mounted within the closed liquid cooling circuit to be rotatable about the rotor axis, and the liquid coolant agitator is magnetically coupled to the movable parts.
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