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Ventilation > Chimney Or Stack > Chimneytop Or Stacktop Structure (e.g., Cowl) > With Rotary Means In Air Current (e.g., Fan, Etc.) > Driven By External Power Source Driven By External Power SourceDriven By External Power Source patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/26/06 - 20060019593 - High velocity and high dilution exhaust system The high velocity and high dilution exhaust system uses a centrifugal fan provided with a tapered nozzle. The nozzle compresses the airstream exiting the fan to increase back pressure and velocity. The air flow from the fan enters a stack having a venturi further increasing the velocity and decreasing the ... 01/26/06 - 20060019592 - High velocity and high dilution exhaust system The high velocity and high dilution exhaust system uses a centrifugal fan provided with a tapered nozzle. The nozzle compresses the airstream exiting the fan to increase back pressure and velocity. The air flow from the fan enters a stack having a venturi further increasing the velocity and decreasing the ... ### FreshPatents.com Support |