Patent ID: 8562283

Claim:
A fan array fan section in an air-handling system to supply air to a building, comprising: an air handling compartment having a discharge plenum configured to deliver air to a ventilation system for at least a portion of the building; a fan array of at least three fan units positioned in the air handling compartment, the fan units having motors and fans, wherein the fan units are stacked adjacent to one another with back ends of the fan units discharging into the discharge plenum where the air mixes to provide substantially uniform airflow for the air-handling system, the motors having a corresponding first speed when driven at a frequency of 60 Hz, the fans being configured to deliver an air flow amount based on a speed of the corresponding motor; and a speed controller to operate at least one of the motors at a speed that is greater than the first speed to deliver an associated air flow amount from the corresponding one of the fans.