Absolute humidity control and indication apparatus

Claim 1

IN AN ABSOLUTE HUMIDITY CONTROL SYSTEM FOR CONTROLLING THE QUANTITY OF MOISTURE IN THE AIR OF A HIGH TEMPERATURE GAS SOURCE, A HEAT EXCHANGER HAVING A FIRST PASSAGEWAY WITH AN INLET AND AN OUTLET, A SOURCE OF COOLING MEDIUM, CONDUIT MEANS CONNECTING SAID SOURCE TO SAID INLET AND OUTLET IN A SERIES WHEREBY SAID MEDIUM IS CIRCULATED AT A CONSTANT RATE THROUGH SAID FIRST PASSAGEWAY TO REMOVE HEAT FROM SAID HEAT EXCHANGER, A DIFFERENTIAL TEMPERATURE SENSING MEANS HAVING A FIRST TEMPERATURE SENSOR MOUNTED ON SAID INLET AND A SECOND TEMPERATURE SENSOR MOUNTED ON SAID OUTLET, SAID SENSING MEANS HAVING AN OUTPUT INDICATIVE OF THE TEMPERATURE DIFFERENCE BETWEEN THE INLET MEDIUM AND OUTLET MEDIUM TO SAID HEAT EXCHANGER, SAID HEAT EXCHANGER HAVING A SECOND PASSAGEWAY HAVING AN INLET AND AN OUTLET AND CONNECTED IN THERMAL RELATION TO SAID FIRST PASSAGEWAY, CONDUIT MEANS ADAPTED TO CONNECT SAID INLET OF SAID SECOND PASSAGEWAY TO CONTINUALLY SAMPLE HIGH TEMPERATURE-HIGH MOISTURE LEVEL GAS FROM THE SOURCE, AN AIR WATER SEPARATOR MEANS, A CONSTANT AIR FLOW CONTROL MEANS, A VACUUM PUMP, CONDUIT MEANS CONNECTING SAID OUTLET OF SAID SECOND PASSAGEWAY, SAID SEPARATOR MEANS, SAID CONSTANT FLOW CONTROL MEANS, AND SAID VACUUM PUMP IN SERIES WHEREBY MOIST AIR IS DRAWN INTO SAID INLET TO SAID