| 摘要 |
In an electrically operated power steering device wherein a rotational shaft of an electric motor is rotationally driven so as to apply a steering assist force to a steering shaft, a stator of the electric motor is provided with teeth portions composed of electromagnetic steel plates, coils wound around the teeth portions, and a yoke portion made of a magnetic substance that accommodates the coils and the teeth portions and can be utilized as a housing. Hence, the electrically operated power steering device can be made simple and compact, and it is possible to ensure running stability of the vehicle appropriately (i.e., to prevent swinging motions in response to a force inputted from the steering wheels).
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