Ventilating fan with grill having high static pressure...

F - Mech Eng,Light,Heat,Weapons – 04 – D

Patent

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F04D 29/30 (2006.01) F04D 25/08 (2006.01) F04D 29/66 (2006.01) F24F 7/007 (2006.01) F24F 7/06 (2006.01) F24F 13/24 (2006.01)

Patent

CA 2612971

A bathroom-ventilating fan with grille having a fan hosing, fan scroll, inlet ring, outlet collar, fan grille, sound insulation and electrical box. The external motorized assembly backwardly inclined type impeller is used. The bathroom-ventilating fan with grille has multiple speeds controlled by multiple capacitor and has the performance with 100 CFM airflow rate at or higher than 1 inches static pressure, 5 Sones or lower than 5 Sones of HVI (Home Ventilating Institute) certified sound ratings and 3.08 or higher than 3.08 CFM per watt power consumption at 0.1 inch static pressure as well as the fan has the performance with 50 CFM at 0.4 or higher than 0.4 inches static pressure, 1 Sone or lower than 1 Sone of HVI certified sound ratings and 1.36 or higher than 1.36 CFM per watt power consumption at 0.1 inch static pressure.

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