ARTIFICIAL TORNADO TYPE LOCAL AIR DISCHARGING DEVICE

摘要

PURPOSE:To enable a positive suction of air containing some contaminated substances to be attained with a minimum required amount of air and to discharge it outside by utilizing an artificial tornado even under various mounting conditions. CONSTITUTION:An air blowing direction at an air blowing port 2 disposed at an air blowing pipe 3 can be moved upwardly or downwardly and rightwardly or leftwardly in an artificial tornado type local air discharging device 1 for discharging some contaminated substances under an eddy converging characteristics of an artificial tornado (t).