In an electric drive device, a motor housing includes an end face part opposite to an output part of a rotating shaft of a motor. An electronic control part is arranged at the end face part of the motor housing, and includes a control circuit part, a power supply circuit part, and a power conversion circuit part. The power conversion circuit part is mounted to a power conversion part heat dissipation region of the end face part of the motor housing. The power supply circuit part is mounted to a power supply part heat dissipation region of the end face part of the motor housing. A power conversion circuit part holder is attached to a portion of the end face part around the rotating shaft, and includes a resilient function member structured to press and hold the power conversion circuit part on the power conversion part heat dissipation region.
Electric drive device and electric power steering device
03.11.2020
Patent
Elektronische Ressource
Englisch
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