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Steering wheel unit of electromechanical steering system for sensing steering wheel steering motion

A steering system and steering wheel technology, applied in mechanical steering mechanisms, steering mechanisms, power steering mechanisms, etc., can solve problems such as large installation space, and achieve the effect of reducing energy demand and saving installation space

Pending Publication Date: 2021-03-26
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technical solution requires a larger installation space in the transverse direction with respect to the steering wheel axis than the previously discussed prior art

Method used

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  • Steering wheel unit of electromechanical steering system for sensing steering wheel steering motion
  • Steering wheel unit of electromechanical steering system for sensing steering wheel steering motion
  • Steering wheel unit of electromechanical steering system for sensing steering wheel steering motion

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Embodiment Construction

[0026] figure 1A motor vehicle 10 is shown having an electromechanical steering system comprising a steering wheel unit 1 described below. Typically, the electromechanical steering system is arranged in the front region of the vehicle 10 and is provided for turning or deflecting the front wheels of the vehicle 10 in accordance with the driver's wishes. Alternatively or additionally, the electromechanical steering system can also act on the rear wheels, for example in active rear wheel steering or in forklift trucks. The steering wheel unit 1 can be arranged, for example, below the instrument panel in the region of the driver's seat in the direction of the motor compartment.

[0027] according to figure 2 , the electromechanical steering system for a motor vehicle 10 essentially consists of a steering wheel unit 1 in a cylindrical housing 2 of which a steering wheel shaft 3 is rotatably mounted. On the distal side of the steering wheel shaft 3 is attached a steering wheel 4...

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Abstract

The invention relates to a steering wheel unit (1) of an electromechanical steering system of a motor vehicle (10) and to the electromechanical steering system, provided with the steering wheel unit (1), of the motor vehicle (10). The steering wheel unit (1) has a force generating means for loading a steering wheel with a mechanical feedback force to a driver in relation to the current steering state and / or driving state; a force generating means has a cam unit (16a, 16b), an elastic element (15) and a preload mechanism (11, 12, 13), wherein the elastic element (15) is arranged between the camunit (16a, 16b) arranged on a steering wheel shaft (3) and a preload mechanism (11, 12, 13) and can be deformed by an axial movement of the cam unit (16a, 16b). The force generating means loads the steering wheel shaft (3) with the force, and with the increasing adjustment, deviating from straight travel, of the steering wheel, an increased restoring force can be generated on the steering wheel,so as to feed back a steering state dependent on the deflection of wheels to a driver.

Description

technical field [0001] The invention relates to a steering wheel unit for an electromechanical steering system of a motor vehicle. Furthermore, the invention also relates to an electromechanical steering system comprising such a steering wheel unit. Background technique [0002] The field of application of the invention extends to so-called steer-by-wire systems for motor vehicles in which there is no direct connection between the steering wheel of the motor vehicle and the steered wheels. mechanical coupling. As an alternative thereto, the steering angle and optionally also the rotational speed of the steering wheel and / or the torque applied to the steering wheel are sensed by suitable sensor devices and are converted to an electronically adjusted value. The form is transmitted to an electromechanical steering actuator unit, which converts the steering signal predetermined in electrical form into a mechanical adjustment of the steering angle of the wheels of the steerable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/00
CPCB62D5/005
Inventor A·胡苏M·阿基姆M-C·科斯塔凯M·科瓦奇M-N·韦莱亚
Owner SCHAEFFLER TECH AG & CO KG
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