Insulated heat activated ventilator

Ventilation – Having outlet airway – Having emergency smoke handling feature

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Details

49 7, 454368, F24F 1102

Patent

active

052135420

ABSTRACT:
A building construction includes a building structure and a ventilator, the ventilator having a stack defining a vent passage, a closure being provided for normally sealing off the vent passage, insulating material supported by the closure and providing an air seal within the vent passage under normal conditions, and vent actuating means operative in response to the presence of combustion products to disable the closure, automatically release the insulating material and exhaust combustion products through the vent passage.

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patent: 3924372 (1975-12-01), Anghinetti et al.
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Milcor Pamphlet--Heat and Smoke Vents, Roof Hatches, Sidewalk and Floor Doors, Milcor Limited Partnership, Lima, Ohio, 07720/mil. Sep. 1991.
APC Fire Vents, Explosion Vents and Skylights, APC Corporation, Hawthorne, N.J., 886APC. May, 1992.

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