Patent ID: 6808546
Filing Date: 2004-10-26
Classification: F24F

Abstract:
A device for exhaust air processing of clean rooms, the device comprising:at least one fresh air supply having at least one supply line; at least one exhaust air device; at least one work room; at least one processing device arranged in the at least one work room; a recirculating air device; wherein the at least one supply line is connected to the at least one work room; wherein the at least one air supply line has a branch line connected to the at least one processing device; at least one first exhaust air line connected to the at least one processing device for removing exhaust air from the processing device; at least one second exhaust air line connected to the at least one exhaust air device for exhausting air from the at least one processing device through the at least one exhaust air device; at least one first filter arranged in the at least one first exhaust air line; wherein the at least one first exhaust air line returns exhaust air that has been filtered in the at least one first filter device to the at least one air supply line; wherein the at least one work room has at least one return line connected to the recirculating device and wherein the recirculating device is connected to the at least one supply line.