Abstract
Air flow in an elevator hoistway is directed to the sides of the elevator car in order to avoid creating air turbulence in the path of travel of the counterweight assembly and in the area of hoistway doors and sills. Control of the air flow is accomplished with pitched air deflectors mounted on the roof of the car. Each air deflector comprising a shear panel and a pitched panel serves to deflect air in the hoistway away from the counterweights and to one side of the car. Shear panels are mounted on the top and bottom of the car to cover the landing sills as the car moves past floors in the hoistway whereby air is sheared away from the sills and air intercepted by the car travel is kept from passing hoistway elements which induce noise and vibration of the car.
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