V2EX fuel injection

Fuel Injection

释义 Definition

燃油喷射:一种把燃油在压力作用下通过喷油器雾化并精确喷入发动机进气道或燃烧室的供油方式,用于控制空燃比、提升动力与效率并降低排放。(除这一常见义外,在更广义上也可指任何“向系统中注入燃料”的过程。)

发音 Pronunciation (IPA)

/fjul ndekn/

例句 Examples

My car uses fuel injection.
我的车使用燃油喷射系统。

Modern fuel injection systems use sensors and an ECU to adjust the airfuel mixture in real time, improving performance and reducing emissions.
现代燃油喷射系统会使用传感器和ECU(电控单元)实时调节空燃比,从而提升性能并降低排放。

词源 Etymology

fuel 源自中古法语,和“火/燃烧(feu)”相关,表示“可燃之物、燃料”;injection 来自拉丁语 inicere(“投进、注入”),由 *in-*(“向内”)+ jacere(“投掷”)构成。合起来字面义即“把燃料注入(发动机)”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • John Muir,《How to Keep Your Volkswagen Alive: A Manual of Step-by-Step Procedures for the Compleat Idiot》(常讨论不同供油方式,包括燃油喷射与化油器的维护差异)
  • Robert M. Pirsig,《Zen and the Art of Motorcycle Maintenance》(涉及摩托车维护与机械系统时常提到燃油系统相关概念)
  • Harry Ricardo,《The High-Speed Internal Combustion Engine》(内燃机经典工程著作中会讨论喷射供油与燃烧效率等主题)
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