20120190293 | AIR DIFFUSER AND AN AIR CIRCULATION SYSTEM - An air diffuser comprising a body, at least one swirl pattern discharge element and at least one jet pattern discharge element, wherein the jet pattern discharge element is manipulable to vary the airflow direction angle of a discharged jet pattern of air relative to an axis perpendicular to a discharge face of the swirl pattern discharge element to thereby alter the angle of the air discharged from the swirl pattern discharge element. | 07-26-2012 |