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Category:1939 births Category:Living people Category:American Methodists Category:Indiana University faculty Category:American statisticians Category:American economists Category:American textbook writers Category:American male writers Category:Modern schoolteachers Category:People from Brooklyn Category:Rutgers University faculty Category:Brooklyn College alumni1. Technical Field This invention relates to air purification systems, and more particularly to an air purification system that features a pulsed fan or blower and air filters that remove airborne contaminants and pollutants from the area surrounding the fan or blower. 2. Description of the Prior Art The cost of fuel has increased significantly, thereby increasing the costs of air purification and ventilation systems for commercial buildings. Recently, the United States Congress has passed laws that mandate new air purification and ventilation requirements for commercial buildings. These new air purification and ventilation requirements take effect in phases starting in 2004 and continuing to the year 2025. The Federal Government has mandated a 10-25% reduction in air contaminants and pollutants in commercial buildings. To satisfy these new air purification requirements, air purification and ventilation systems need to be fully integrated into the structure of a building, including the foundation. This integration process is a significant capital cost and can delay construction schedules for commercial buildings. To minimize the costs associated with this integration process, air purification and ventilation systems are sometimes placed outside of the building. Such air purification and ventilation systems are often placed in the parking lot outside of the building, in the street in front of the building or in the back of the building. Air purification and ventilation systems placed in these locations often consist of a single large, slow fan or blower that produces a wind current of air, thereby discharging the air from the building and surrounding areas into the atmosphere. These conventional systems are sometimes referred to as “transition” or “gray” air purification and ventilation systems. These transition or gray air purification and ventilation systems do not purify the air inside the building, thereby potentially creating a health hazard in the building due to exposure to elevated levels of air contaminants and pollutants. This health hazard is potentially a major liability for commercial building owners. There is therefore a need for an air purification system that is fully integrated into a building, which can be an air purification and ventilation system. Furthermore, there is a need for an air purification system that is capable of fully purifying the air inside the building.

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