V2EX intake valve

INTAKE VALVE

Definition / 释义

intake valve进气阀(发动机中的一种阀门),在进气行程中打开,让空气或空气-燃油混合气进入气缸;在压缩与燃烧等其他行程中关闭,以保持密封与压力。(在某些场景也可指类似系统中的“进气侧阀门”。)

Pronunciation / 发音

/ntek vlv/

Examples / 例句

The intake valve opens to let air into the cylinder.
进气阀打开,让空气进入气缸。

If the intake valve timing is off, the engine may lose power and run rough at higher speeds.
如果进气阀正时不准确,发动机可能会动力不足,并在较高转速时运转不稳。

Etymology / 词源

intake 来自 “take in”(吸入、纳入),表示“进入、吸入”;valve 源自拉丁语 valva(门扇、门),引申为“控制流体进出、像门一样开合的装置”。合起来 intake valve 字面意思就是“负责让东西‘吸入/进入’的阀门”。

Related Words / 相关词

Literary Works / 文学作品与出处

  • Harry Ricardo,《The High-Speed Internal Combustion Engine》:讨论气门机构与进排气过程时会出现 intake valve 等术语。
  • John B. Heywood,《Internal Combustion Engine Fundamentals》:在讲解配气相位、充气效率与气门流动特性时常用 intake valve
  • Society of Automotive Engineers (SAE) 技术论文与标准文献:在发动机性能、气门升程与气门正时研究中频繁出现 intake valve
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