調ちょう速そく機き

noun

governor; speed regulator

A mechanical or electronic device that controls the speed of an engine, motor, or machine to keep it within a set range.

• 蒸じょう気き機き関かんには調ちょう速そく機きが欠かかせない。

  A governor is essential for a steam engine.

• この発はつ電でん機きは調ちょう速そく機きで回かい転てん数すうを一いっ定ていに保たもっている。

  This generator keeps its rotation speed constant with a speed regulator.