Ventilator system with adjustable damper fan

Details Ventilator system with adjustable damper fan Ventilator system with adjustable damper fan

F - Mech Eng,Light,Heat,Weapons

04

D

230/5

F04D 29/46 (2006.01) F04D 27/02 (2006.01)

Patent

CA 1044672

VENTILATOR SYSTEM WITH ADJUSTABLE DAMPER FAN Abstract of the Disclosure A fan assembly for a ventilator system. The assembly comprises a fan housing having an inlet and an outlet. One or more blower wheels are secured for rotation in the fan housing to direct air from the inlet to the outlet. Each of the blower wheels has a plurality of inclined peripheral fan blades. Means is provided to support and impart a rotational drive to the blower wheels. An adjustable cylindrical damper is axially movably supported in closely spaced relationship to the periphery of the blower wheels to vary the quantity of fluid directed to the outlet of the fan housing.

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