To provide a steering reaction force generator capable of suppressing and stably controlling noise.SOLUTION: A steering reaction force generator 10 includes an axial gap type electric motor 30 that is coaxial with the turning axis of a steering wheel 2, and a traction speed reducer 20 that is coaxial with the turning axis and interposed between the steering wheel 2 and axial gap type electric motor 30. The axial gap type electric motor 30 includes a motor housing 31 and excitation coil 42. The axial gap type electric motor further includes a motor stator 40 fixed to the motor housing 31, a motor rotor 50 that is opposed to the motor stator 40 in the direction of the turning axis with a gap between them and turns about the turning axis according to an excitation condition of the excitation coil 42, and a shaft 32 that is coupled to the motor rotor 50 and turns about the turning axis while being interlocked with the motor rotor 50.SELECTED DRAWING: Figure 1
【課題】騒音を抑制しかつ安定的に制御することができる操舵反力生成装置を提供する。【解決手段】操舵反力生成装置10は、ステアリングホイール2の回動軸と同軸のアキシャルギャップ型電動モータ30と、回動軸と同軸でステアリングホイール2とアキシャルギャップ型電動モータ30との間に配置されるトラクション減速機20と、を備え、アキシャルギャップ型電動モータ30は、モータハウジング31と、励磁コイル42を備え、モータハウジング31に固定されるモータステータ40と、モータステータ40と回動軸方向にギャップを介して対向し、励磁コイル42の励磁状態に応じて回動軸回りに回動するモータロータ50と、モータロータ50と連結されてモータロータ50に連動して回動軸回りに回動するシャフト32と、を備える。【選択図】図1
STEERING REACTION FORCE GENERATOR
操舵反力生成装置
2023-07-03
Patent
Elektronische Ressource
Japanisch
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