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2. Smoke damper - Wikipedia

   en.wikipedia.org/wiki/Smoke_damper

   The test and inspection frequency shall then be every 4 years, except in hospitals, where the frequency shall be every 6 years. The code also states that the damper shall be actuated and cycled. The inspections must be document indicating the location of the damper, date of inspection, name of inspector, and deficiencies discovered. [2]

3. Fire damper - Wikipedia

   en.wikipedia.org/wiki/Fire_damper

   Fire dampers (or fire shutters) are passive fire protection products used in heating, ventilation, and air conditioning (HVAC) ducts to prevent and isolate the spread of fire inside the ductwork through fire-resistance rated walls and floors. [1] Fire/smoke dampers are similar to fire dampers in fire resistance rating, and also prevent the ...

4. Chimney - Wikipedia

   en.wikipedia.org/wiki/Chimney

   A top damper or cap damper is a metal spring door placed at the top of the chimney with a long metal chain that allows one to open and close the damper from the fireplace. A throat damper is a metal plate at the base of the chimney, just above the firebox, that can be opened and closed by a lever, gear, or chain to seal off the fireplace from ...

5. Damper (flow) - Wikipedia

   en.wikipedia.org/wiki/Damper_(flow)

   A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control - for example, in the case of Volume Control Dampers. [1] Its operation can be manual or automatic. Manual dampers are turned by a handle on the outside of a duct.

6. Backdraft - Wikipedia

   en.wikipedia.org/wiki/Backdraft

   A backdraft (North American English), backdraught (British English) [1] or smoke explosion is the abrupt burning of superheated gases in a fire caused when oxygen rapidly enters a hot, oxygen-depleted environment; for example, when a window or door to an enclosed space is opened or broken. Backdrafts are typically seen as a blast of smoke and ...

7. Shock absorber - Wikipedia

   en.wikipedia.org/wiki/Shock_absorber

   A shock absorber or damper is a mechanical or hydraulic device designed to absorb and damp shock impulses. It does this by converting the kinetic energy of the shock into another form of energy (typically heat) which is then dissipated. Most shock absorbers are a form of dashpot (a damper which resists motion via viscous friction).

8. The Home Depot Pro - Wikipedia

   en.wikipedia.org/wiki/The_Home_Depot_Pro

   The Home Depot Pro, headquartered in Jacksonville, Florida, is a wholesale distributor and direct marketer of maintenance, repair and operations (MRO) products for ...

9. Tuned mass damper - Wikipedia

   en.wikipedia.org/wiki/Tuned_mass_damper

   Tuned mass damper inside the bridge deck of the Jan Linzelviaduct , The Hague [4] The tuned mass damper is widely used as a method to add damping to bridges. One use case for tuned mass dampers in bridges is to prevent large vibrations due to resonance with pedestrian loads. [ 5 ]