Security air vent

Details Security air vent Security air vent

F - Mech Eng,Light,Heat,Weapons

24

F

F24F 13/20 (2006.01) E06B 7/02 (2006.01) F24F 13/08 (2006.01)

Patent

CA 2357531

Air vent for protecting the public potable water system against terrorism and sabotage. Conventional air vents allow the movement of air in and out of an enclosed reservoir structure but do not stop the penetration of liquids or solids. The present invention allows the movement of air but will not allow any liquids or solids to pass through the vent, even if these liquids or solids are being applied under pressure. This is accomplished by an energy dissipating arrangement of S-shape structural members.

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