Patent ID: 8147301
Filing Date: 2012-04-03
Classification: F24F

Abstract:
1. An air handling system for a clean room, comprising: at least one air handler having a fan adapted to provide an air flow through an outlet of the at least one-air handler; a cooling unit adjacent and in fluid communication with the at least one air handler; at least one supply fan downstream of the at least one air handler, each supply fan disposed within a fan box having an inlet and an outlet, the inlet of each fan box communicating with the outlet of the at least one air handler through a first ductwork, each supply fan not having an associated cooling unit or filter structure and capable of providing an air velocity of greater than 1600 feet per minute; a clean room plenum downstream of the at least one supply fan and in communication with the outlet of the at least one fan box, the clean room plenum having an outlet area defined by a filter structure downstream from the clean room plenum, each fan box being disposed outside of the clean room plenum and the clean room, the filter structure having a downstream side in communication with the clean room to deliver air thereto; the clean room having a return flow plenum, a second ductwork extending from the return flow plenum to the at least one supply fan for recirculation of air back to the clean room through the at least one-supply fan; and a modulator for controlling the air handling system.