In an electric power steering device, a motor housing includes an end face part opposite to an output part of a rotating shaft of an electric motor. A power conversion circuit part includes a power conversion switching circuit part, and a second part exclusive of the power conversion switching circuit part. The power conversion switching circuit part includes an upper arm switching element and a lower arm switching element packaged by synthetic resin, and is mounted on a power conversion switching circuit board that is mounted to a power conversion switching circuit part heat dissipation section of the end face part for heat dissipation. A power supply circuit part and the second part of the power conversion circuit part are mounted on a power supply circuit board that is mounted to a power supply circuit part heat dissipation section of the end face part for heat dissipation.
Electric drive device and electric power steering device
2023-02-14
Patent
Electronic Resource
English
ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE
European Patent Office | 2024
|ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE
European Patent Office | 2021
|Electric drive device and electric power steering device
European Patent Office | 2020
|ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE
European Patent Office | 2020
|ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE
European Patent Office | 2017
|