To provide a simple and firm hub unit with auxiliary steering function by which auxiliary steering for an individual wheel depending on a travel state can be performed in addition to steering by an operator's handle operation, maneuverability of a vehicle can be improved, and further, travel stability/safety and fuel consumption can be improved.SOLUTION: A hub unit is connected to a steering device, which changes a steering angle of a wheel 2 by an operator's handle operation, via a knuckle 22 of a suspension device 21. This hub unit comprises a hub unit body 4 having a hub bearing 3, and a unit support member 5 which is connected to the knuckle 22 or is configured as a part of the knuckle 22. The hub unit body 4 is so supported by the unit support member 5 at vertical two points via rotation allowing support components 7, 7 as to be rotatable around an auxiliary steering axis A, and rotation, which becomes auxiliary steering, is performed by drive of an auxiliary steering actuator 6.SELECTED DRAWING: Figure 1
【課題】運転者のハンドル操作による転舵に付加して、走行状況に応じた車輪個別の補助的な転舵が行えて、車両の運動性能を向上させ、走行の安定・安全性の向上と燃費の改善が可能となり、また簡素でかつ堅固な補助転舵機能付ハブユニットを提供する。【解決手段】運転者のハンドル操作によって車輪2の転舵角度を変化させるステアリング装置に、懸架装置21のナックル22を介して接続されるハブユニットである。ハブベアリング3を有するハブユニット本体4と、ナックル22と連結されまたはナックル22の一部として構成されたユニット支持部材5とを備える。ハブユニット本体4は、補助転舵軸心A回りに回転自在なように上下2箇所で回転許容支持部品7,7を介してユニット支持部材5に支持され、補助転舵用アクチュエータ6の駆動により補助転舵となる回転が行われる。【選択図】図1
HUB UNIT WITH AUXILIARY STEERING FUNCTION AND VEHICLE
補助転舵機能付ハブユニットおよび車両
17.01.2019
Patent
Elektronische Ressource
Japanisch
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