damper
- noun
- /ˈdæmpər/
- Like most buildings, the Portland World Trade Center ran the return fan motors at full power and used dampers to regulate airflow as needed.
- air damper
- control damper
Examples
-
The discharge path is controlled with a manually operated damper.
Academic text (1995) -
Vent-free gas logs are designed to operate with the damper closed.
Blog text (24) -
I coughed as I adjusted the draft and damper.
Fiction book (1999) -
During normal system operation, when the building is occupied, the outside air damper should be set so that slightly more air is introduced into the building than is exhausted; this arrangement establishes a slight positive pressure in the building.
Academic text (1997) -
To control the airflow in the fireplace, I adjusted the damper to let more air in.
-
The damper should be closed while the fire is not in use to prevent unwanted drafts.
-
Before starting the fire, he checked the damper to ensure it was open for proper ventilation.
Synonyms
Compounds
- Specialized
A small piece of felt that drops on a piano string to stop it from vibrating
- Specialized
A small soft pad that rests on a piano string to stop it from vibrating
How Open
Surface Forms
Morphology
Etymology
Damper comes from the word damp and dampen, which once meant 'to make wet' and then 'to make less', like putting water on a fire. That's why a stove or chimney damper is a metal plate that 'dampens' the flow of air or smoke and so controls how strongly the fire burns.