20090061758 | Floor Vent Booster Fan - The invention consists of a vent booster fan, comprising: a) a vent housing, forming a vent which is operable for insertion into a ventilation duct; and defining a vent surface through which air flows from the duct; b) a fan assembly located within the vent housing, containing a fan operative to force air through the vent, the fan assembly located within the vent housing so as to be located substantially within the duct; c) an air deflector covering a portion of the vent surface sufficient to alter airflow from the vent. | 03-05-2009 |