Damper

Device used to reduce unwanted vibrations of a system.

In air handling systems this may comprise a plate or gate placed in the duct to control air flow by increasing friction in the duct.

Boiler

An adjustable flap controlling the air admitted beneath the fire-bed. Usually part of the ashpan.


See also: Dashpot, Springs, Vehicle Suspension.

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Subjects: Automotive Heating Ventilation and Air Conditioning