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US 2017/0291633 A1Published application
Adaptive front steering system for vehicle
AssigneeHyundai Motor Company
InventorWon Jin Oh
Life of this patent
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Abstract
An adaptive front steering system is capable of ensuring steering convenience and driving safety by changing a steering gear ratio in accordance with a driving situation of a vehicle. The adaptive front steering system is implemented as a new type of active front steering (AFS) system in which a hollow motor is applied to a steering column shaft, and a steering gear ratio is changed in accordance with a rotation direction and a rotation amount of a shaft of the hollow motor which is rotated together with an upper shaft.
Claims7
An adaptive front steering system for a vehicle, comprising:
- an upper shaft which is connected with a steering wheel;
- a lower shaft which serves as an output shaft;
- and
- a hollow motor which is coaxially disposed on a steering column shaft and connected between the upper shaft and the lower shaft,
- wherein a motor housing of the hollow motor is connected to the upper shaft, and a motor shaft of the hollow motor is connected to the lower shaft, such that a steering gear ratio is changed in accordance with a rotation direction and a rotation amount of the motor shaft of the hollow motor which is rotated together with the upper shaft.
2 more elements
Dependencies are inferred from the claim text.