EXHAUST FAN ASSEMBLY

An exhaust fan assembly is provided for expelling contaminated air from a building. The assembly includes a plenum, a fan assembly attached to the plenum, and a windband mounted on top of the fan assembly. The fan assembly is constructed of cylindrical outer and inner walls which define a bearing ch...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ENZENROTH, JOHN, WILLIAM, KHANKARI, KISHOR, KASHINATH, LEGNER, EDWARD, G, HRDINA, TERRY, LEE, ROSSI, ANTHONY, J, SELIGER, MICHAEL, GLENN, KOEPPEL, SCOTT, JAMES, MATHSON, TIMOTHY, RONALD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CLEANING CLEANING IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PREVENTION OF FOULING IN GENERAL PUMPS FOR LIQUIDS OR ELASTIC FLUIDS RANGES TRANSPORTING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	An exhaust fan assembly is provided for expelling contaminated air from a building. The assembly includes a plenum, a fan assembly attached to the plenum, and a windband mounted on top of the fan assembly. The fan assembly is constructed of cylindrical outer and inner walls which define a bearing chamber and surrounding annular space. A fan driven by a shaft extending downward from the bearing chamber draws exhaust air from the plenum and blows it up through the annular space to a nozzle at the top of the fan assembly.