Apparatus for moistening air

Claim 1

APPARATUS FOR PRODUCING VAPOR FOR MOISTENING AIR COMPRISING A CLOSED EVAPORATIONS VESSEL, AT LEAST TWO ELECTRODE MEMBERS SPACEDLY AND SUBSTANTIALLY VERTICALLY ARRANGED IN SAID EVAPORATION VESSEL, MEANS FOR CONNECTING A SOURCE OF ELECTRIC CURRENT TO SAID ELECTRODE MEMBERS, SAID EVAPORATIONS VESSEL INCLUDING A VAPOR CHAMBER AND A WATER CHAMBER, SAID ELECTRODE MEMBERS BEING SUPPORTED IN SAID WATER CHAMBER OF SAID EVAPORATIONS VESSEL, A VAPOR CONDUIT OPERATIVELY CONNECTING SAID VAPOR CHAMBER WITH THE AIR TO BE MOISTENED, A WATER SUPPLY CONDUIT THROUGH WHICH WATER CONTINUALLY FLOWS DURING OPERATION OF THE APPARATUS, A WATER CONDUIT CONNECTED WITH SAID WATER SUPPLY CONDUIT AND OPERATIVELY CONNECTING SAID WATER CHAMBER WITH SAID WATER SUPPLY CONDUIT, SAID VAPOR CONDUIT INCLUDING NOZZLE MEANS FOR ACHIEVING AN APPROXIMATELY CONSTANT PRESSURE IN SAID VAPOR CHAMBER, SAID NOZZLE MEANS BEING CONSTRUCTED TO PROVIDE A VAPOR PRESSURE IN SAID VAPOR CHAMBER SUFFICIENT TO MAINTAIN THE WATER LEVEL IN SAID EVAPORATION VESSEL AT ALL TIMES BENEATH THE UPPER EDGES OF SAID ELECTRODES MEMBERS WHEN IN RELATIVELY UNSOILED CONDITION, SO THAT DURING OPERATION OF THE APPARATUS ONLY A PORTION OF THE ELECTRODE MEMBERS ARE EMPLOYED, SAID WATER CONDUIT INCLUDING A MOUTH PORTION LOCATED BELOW THE LOWER EDGES OF SAID ELECTRODE MEMBERS, SAID WATER CONDUIT EXTENDING FROM SAID MOUTH PORTION EXTENALLY OF SAID EVAPORATION VESSEL IN AN UPWARD DIRECTION TO A POINT AT LEAST ABOVE THE UPPER EDGE OF SAID ELECTRODE MEMBERS WITH IS TOP END BEING OPEN TO ATMOSPHERE, AN OVERFLOW CONDUIT DIRECTLY CONNECTED TO SAID WATER CONDUIT AT A POINT ABOVE THE UPPER EDGES OF SAID ELECTRODE MEMBERS, AND A DISCHARGE VALVE PROVIDED FOR SAID WATER CONDUIT AT A POINT BELOW SAID LOWER EDGES OF SAID ELECTRODE MEMBERS.