Patent ID: 8770923
Filing Date: 2014-07-08
Classification: F04D

Abstract:
1. A fan assembly comprising: a housing comprising, a toothed track assembly disposed within the enclosure of the housing, the toothed track assembly comprising a toothed track member; a wheel assembly comprising a pair of toothed wheels disposed within the enclosure of the housing and adapted to move on the toothed track member; a first motor disposed within the enclosure of the housing and operatively coupled to the wheel assembly, the first motor being capable of rotating the pair of toothed wheels in one of a first direction and a second direction opposite to the first direction on the toothed track member; a fan member disposed within the enclosure of the housing and coupled to the wheel assembly, such that the fan member moves along the toothed track member when the first motor rotates the pair of toothed wheels on the toothed track member; and a second motor disposed within the enclosure of the housing and operatively coupled to the fan member for rotating the fan member.