V2EX crankcase

Crankcase

释义 Definition

crankcase曲轴箱(发动机的一部分外壳),用于容纳并支撑曲轴等部件,通常也与机油润滑与密封相关;在一些发动机结构中,曲轴箱下部与油底壳(sump/oil pan)相连或构成一体。
(该词在不同发动机设计中细节略有差异。)

发音 Pronunciation (IPA)

/krkkes/

例句 Examples

The mechanic found a crack in the crankcase.
技师发现曲轴箱上有一道裂缝。

If the crankcase ventilation system fails, pressure can build up and cause oil leaks around seals and gaskets.
如果曲轴箱通风系统失效,内部压力可能升高,从而导致密封圈和垫片周围出现机油渗漏。

词源 Etymology

crankcase 是一个复合词:crank(指“曲柄/曲轴”这一类旋转部件)+ case(“外壳、箱体”)。字面意思就是“装曲轴的壳/箱体”,用于描述它在发动机中包覆并支撑曲轴的功能。

相关词 Related Words

文献与作品 Literary & Notable Works

  • Internal Combustion Engine Fundamentals(John B. Heywood):在讲解发动机结构、润滑与通风时常出现 crankcase
  • Automotive Technology: A Systems Approach(Jack Erjavec 等):在发动机系统与故障诊断章节中使用 crankcase
  • Haynes Repair Manual(海恩斯汽车/摩托车维修手册系列):在拆装与维护步骤中频繁出现 crankcase
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