V2EX master cylinder

Master Cylinder

释义 Definition

主缸(制动主缸 / 离合主缸):液压系统中的关键部件,用来把踏板或操纵杆的机械力转换为液压压力,再通过制动液/液压油把压力传递到各个工作缸(如制动卡钳或车轮缸),从而实现刹车或离合器的动作。常见于汽车与摩托车的制动系统液压离合系统。(在不同语境下也可指其他液压系统的“主泵/主缸”。)

发音 Pronunciation (IPA)

/ms.tr sl.n.dr/

例句 Examples

The mechanic replaced the master cylinder.
修理工更换了制动主缸。

If the master cylinder leaks internally, the brake pedal may slowly sink even though no fluid appears outside.
如果主缸发生内部泄漏,即使外部看不到制动液,刹车踏板也可能会慢慢下沉。

词源 Etymology

master 原义为“主、主要的、控制的”,在工程语境中常指“主控端/上游端”;cylinder 源自希腊语 kylindros(“圆柱体”),在机械中指“缸体/汽缸/液压缸”。合起来 master cylinder 就是“负责产生并控制液压压力的主缸”。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Bosch Automotive Handbook(《博世汽车工程手册》):在液压制动系统章节中系统讨论 master cylinder 的结构与故障模式。
  • Automotive Technology: A Systems Approach(James D. Halderman):在制动系统与诊断内容中频繁出现 master cylinder
  • How Cars Work(Tom Newton):面向大众的汽车原理书中常以图解方式讲到 master cylinder 与制动液路。
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