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Electric power steering apparatus for vehicle

A technology of electric power steering and assisted steering, which is applied in the direction of electric steering mechanism, power steering mechanism, automatic steering control components, etc., can solve the problems of fatal accidents, vehicles can not be turned correctly, etc., to reduce operating noise, improve convenience, The effect of improving fuel efficiency

Active Publication Date: 2013-09-18
HL MANDO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] Furthermore, when the vehicle is running, if the power steering mechanism does not work properly, the vehicle cannot be turned correctly and may cause a fatal accident

Method used

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  • Electric power steering apparatus for vehicle
  • Electric power steering apparatus for vehicle
  • Electric power steering apparatus for vehicle

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Embodiment Construction

[0031] Hereinafter, embodiments of the present invention will be specifically described with reference to the accompanying drawings. In the following description, the same elements will be given the same reference numerals even though they appear in different drawings. In addition, in the following description of the present invention, if the introduction of known functions or incompatible configurations may make the relationship of matters of the present invention unclear, then they will be ignored.

[0032]In addition, terms such as first, second, A, B, (a), (b) and the like may be used when describing components of the present invention. These terms are not intended to be used to define a substance, order or sequence of the corresponding component, but are used only to distinguish the corresponding component from other components. It should be noted that when it is described in the specification that a component is "connected", "coupled" and "engaged" with another componen...

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Abstract

An electric power steering apparatus for a vehicle, includes: a first auxiliary steering unit for assisting with steering power while rotating a steering shaft in a forward or reverse direction with a driving power of a first motor; a second auxiliary steering unit for assisting with steering power while sliding a rack bar in one or an opposite direction with a driving power of a second motor; a torque sensor for detecting a rotary torque of the steering shaft; a speed sensor for detecting a speed of the vehicle; and an electronic control unit for transmitting a target current value control signal to the first motor and the second motor respectively in response to input signals input from the torque sensor and the speed sensor, respectively.

Description

technical field [0001] The present invention relates to an electric power steering device for a vehicle, and more particularly to an electric power steering device for a vehicle, which uses two auxiliary steering units for providing auxiliary steering force when a driver operates a steering wheel, which To distribute an auxiliary steering force according to the increase in speed and weight of the vehicle, reduce the load applied to either of the two auxiliary steering units, reduce operating noise, increase durability, reduce costs, and even when used in trucks or The situation where the motor of a bus requires a relatively high steering force compared to a small passenger car allows the use of a motor with a low output power to provide a sufficient auxiliary steering force, thereby improving driver convenience, and when Fuel efficiency is improved while energy efficiency is increased, and steering operation can be safely maintained even when one of the auxiliary steering unit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04B62D6/00B62D101/00B62D119/00
CPCB62D5/04B62D5/0463B62D6/00B62D5/0421
Inventor 李钟贤
Owner HL MANDO CORP
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