IONIZED FILTER FOR AIR CLEANING Russian patent published in 1994 - IPC

FIELD: air cleaning. SUBSTANCE: ionized filter has pipe line of varying section made in form of Venturi tube with ionizer mounted on working flat section of pipe line and consisting of needle cathodes, anode, heating element, heat-insulating chamber, high- and low-voltage sources, ion sensor mounted at outlet of diffuser of Venturi tube; connected in series to output of ion sensor are: access and storage device, analog-to-digital converter and code comparison unit, comparison unit control device, counter unit whose output is connected with permanent storage whose output busbar is connected with control inputs of variable ballast resistor unit, control unit, adjustment termination pulse unit, light indicator of adjustment system, light element of adjustment termination indication and light element of indication of faulty operation of adjustment system. EFFECT: enhanced efficiency. 3 cl, 6 dwg