FLUID DRIVE DEVICE
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United States of America Patent
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Issued Date -
Sep 26, 2024
app pub date -
Jul 19, 2022
filing date -
Jul 19, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A fluid drive device includes a first rotor assembly, a second rotor assembly, a stator assembly and a circuit board assembly. The second rotor assembly is connected torque-transmissively to the first rotor assembly, and the stator assembly is electrically connected to the circuit board assembly. The fluid drive device is provided with a first cavity and a second cavity. The first rotor assembly is located in the first cavity. The second rotor assembly, the stator assembly and the circuit board assembly are located in the second cavity. In the case that the second cavity accommodates a working medium, at least part of the circuit board assembly is in contact with the working medium located in the second cavity.
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