DK142509C

A ventilation system comprising ducts for injecting air into and exhausting air from a room, said ducts extending side by side separated by a common partition which incorporates an opening between the ducts in which a damper member is arranged to be movable between two extreme positions, in one of w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VIDEMARK C, HOLT J, CHRISTIANSEN P H
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING ANIMAL HUSBANDRY BLASTING CARE OF BIRDS, FISHES, INSECTS FISHING FORESTRY HEATING HUMAN NECESSITIES HUNTING LIGHTING MECHANICAL ENGINEERING NEW BREEDS OF ANIMALS RANGES REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR TRAPPING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A ventilation system comprising ducts for injecting air into and exhausting air from a room, said ducts extending side by side separated by a common partition which incorporates an opening between the ducts in which a damper member is arranged to be movable between two extreme positions, in one of which it closes the opening and in the other of which positions it blocks both ducts and opens for full recirculation of the return air from the ventilated room. A layer of heat conductive material is arranged on the inner side of the outer wall of the injection duct, said layer extending from the level at which the damper member contacts the outer wall of the injection duct in the extreme position, in which both ducts are blocked. The layer may have form of a liner member arranged on the inner side of the injection duct and extending also into the exhaust duct.