fire damper

Noun

archaic historical

A passive fire protection product used in heating, ventilation, and air conditioning ducts.

Japanese Meaning

暖房、換気、空調のダクト内に設置され、火災時に自動的に閉じることで火の延焼を防ぐ受動式防火保護装置

During the renovation, the technician discovered that a fire damper in the ceiling duct was corroded and needed replacement.

改修工事中に技術者は天井のダクトにある防火ダンパーが腐食して交換が必要であることを発見した。

Sense（1）

A passive fire protection product used in heating, ventilation, and air conditioning ducts.

Sense（2）

Sense（3）

Jack is a former fire damper who is injured in an explosion.

fire dampers

（ plural ）