Air conditioning system

Claim 1

APPARATUS FOR ADDING MOISTURE TO THE AIR COMPRISING, A HUMIDIFIER HAVING A RESERVOIR THEREIN, FLOW CONTROL MEANS FOR MAINTAINING A PRESET LEVEL OF TAP WATER IN SAID RESERVOIR, A HIGHLY POROUS NON-ABSORBENT EVAPORATION MEDIA, FRAME MEANS FOR GUIDING MOVEMENT OF SAID MEDIA ALONG A PREDETERMINED PATH SO THAT A PORTION OF SAID MEDIA IS ALWAYS SUBMERGED IN SAID RESERVOIR, MEANS FOR MOVING SAID MEDIA ALONG SAID PATH, FAN MEANS FOR FORCING AIR OVER AND THROUGH SAID MEDIA TO EVAPORATE WATER FROM THE SURFACES THEREOF, MEANS CORRELATING THE SPEED OF MOVEMENT OF SAID MEDIA AND THE FLOW OF AIR SO THAT SAID SURFACES OF SAID MEDIA REMAIN WET AT ALL TIMES, AND A PURGE UNIT FOR REMOVING A PRESET MINIMUM AMOUNT OF SAID HIGHLY CONCENTRATED WATER FROM SAID RESERVOIR SO THAT SAID WATER LEVEL CONTROL MEANS SUPPLIES ADDITIONAL TAP WATER THEREBY DILUTING THE CONCENTRATION OF MINERALS IN SOLUTION IN SAID RESERVOIR TO REDUCE SUBSTANTIALLY THE DEPOSITION OF SAID MINERALS ON SAID MEDIA OR IN SAID RESERVOIR, AND MEANS TO CAUSE OPERATION OF SAID PURGE UNIT IN RESPONSE TO OPERATION OF SAID FLOW CONTROL MEANS TO MAINTAIN SAID PRESET LEVEL SO THAT THE OPERATION OF SAID PURGE UNIT IS CORRELATED TO THE AMOUNT OF WATER BEING EVAPORATED FROM SAID MEDIA.