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Hydraulic power assisted steering service

机译:液压助力转向服务

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摘要

All power assisted steering systems utilise a pump (be it mechanically or electrically driven) that pumps hydraulic fluid from the reservoir through some form of control valves and then back to the reservoir. However, should there be a requirement for the fluid to assist with steering, then some of the fluid becomes pressurised to overcome the mechanical resistance and directed to the steering rack, while the displaced fluid is returned to the reservoir. This is shown in Figure 1, as a general rule, the control valve housed within the steering rack or steering box relies on precision engineering and metal to metal sealing.
机译:所有的助力转向系统都使用泵(机械驱动或电动驱动),该泵通过某种形式的控制阀将液压油从油箱中抽出,然后再返回到油箱中。但是,如果需要流体来辅助转向,那么一些流体将被加压以克服机械阻力,并被导向转向齿条,而被驱替的流体则被返回到油箱。如图1所示,一般情况下,装在转向齿条或转向箱内的控制阀依赖于精密工程和金属对金属的密封。

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