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Power steering method and system

A technology of steering system and power steering, applied in the direction of electric steering mechanism, automatic steering control components, steering mechanism, etc., can solve the problems of time-consuming and expensive adjustment process, and achieve the effect of low cost, easy operation and manufacturing

Active Publication Date: 2010-03-24
BT PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This adjustment process is time consuming and expensive

Method used

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  • Power steering method and system
  • Power steering method and system
  • Power steering method and system

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Embodiment Construction

[0045] In the embodiment of the present invention, in such as figure 1 The power steering system is implemented in the industrial truck shown. The illustrated industrial truck includes a tiller arm 5 and steerable wheels 10 . This power steering system assists in turning the steering wheel 10 which operates the tiller arm 5 .

[0046] figure 2A schematic overview of a steering system with power steering is shown in . The tiller arm 5 is connected to a turning device which is divided into two parts (upper part 12 and lower part 14). An elastic deformation 13 is provided between the upper part 12 and the lower part 14 . The elastic deformation 13 is arranged to force the lower part 14 to follow the rotation of the upper part 12 when the tiller arm 5 is turned due to the applied torque, however an angular difference will arise between the upper part 12 and the lower part 14 . The sensor arrangement 20 detects this angular difference, and the sensor arrangement 20 transmits ...

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Abstract

An assisted power steering system and a method for assisting a turning of a steered wheel of a steering system comprises an energy source arranged to assist the turning of the steered wheel, a sensor arrangement arranged to detect direction of the turning, and a control unit arranged to control the energy source based on data from the sensor arrangement, wherein the sensor arrangement comprises at least one first digital sensor arranged to indicate the direction of the turning.

Description

technical field [0001] The present invention relates to methods and systems for power steering. In particular, the present invention relates to a method and system for assisting in turning a steering wheel in a steering system. Background technique [0002] In the field of steering, power steering systems have been used for a long time. In an assisted steering system, the steering force is generated by the operator's muscular energy as well as the energy source. Energy sources can consist of pumps, reservoirs, electric motors, and various hoses, lines, and pipes. A power steering system for tiller arm trucks consists of an analog steering sensor, a motor controller and an electric motor. The steering sensor detects the level of power applied to the tiller arm during steering. Under the action of the signal generated by the steering sensor, the electric motor turns the steering wheel in the direction of reducing the steering power (wherein the steering sensor signal decre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F9/06B62D5/04
CPCB66F9/07568B62D5/04B62D6/10
Inventor 马茨·伦登库尔特-奥韦·施滕贝格
Owner BT PROD