Infrared device for measuring steam quality

Claim 1

APPARATUS FOR MEASURING THE AMOUNT OF LIQUID WATER SUSPENDED IN STEAM SAID STEAM COMPRISING WATER VAPOR; A HOUSING FOR CONTAINING SAID STEAM; MEANS FOR GENERATING STEAM; MEANS CONNECTING SAID STEAM GENERATING MEANS TO SAID HOUSING; A FIRST QUARTZ WINDOW REMOVABLY MOUNTED ON ONE SIDE OF SAID HOUSING; A SECOND QUARTZ WINDOW REMOVABLY MOUNTED ON THE SIDE OF SAID HOUSING AND ALIGNED WITH SAID FIRST QUARTZ WINDOW SUCH THAT A BEAM OF INFRARED LIGHT CAN PASS THROUGH BOTH OF SAID FIRST AND SAID SECOND QUARTZ WINDOWS; LIGHT MEANS, MOUNTED OUTSIDE OF SAID HOUSING MEANS, FOR GENERATING A BEAM OF NEAR INFARED LIGHT AND DIRECTING SAID BEAM OF NEAR INFRARED LIGHT THROUGH SAID FIRST QUARTZ WINDOW INTO SAID HOUSING MEANS AND THROUGH SAID SECOND QUARTZ WINDOW TO THE OUTSIDE OF SAID HOUSING MEANS, INTERRUPTER MEANS MOUNTED BETWEEN SAID LIGHT MEANS AND SAID HOUSING MEANS, OF PERIODICALLY INTERRUPTING SAID BEAM OF NEAR INFRARED LIGHT AT A PREDETERMINED RATE; DETECTOR MEANS MOUNTED IN THE PATH OF SAID BEAM OF LIGHT AFTER IT PASSES THROUG SAID SECOND QUARTZ WINDOW, FOR CONVERTING SAID BEAM OF LIGHT TO ELECTRICAL IMPULSES WHICH VARY AT SAID PREDETERMINED RATE OF SAID INTERRUPTER MEANS; MEANS FOR PASSING SAID NEAR INFRARED LIGHT ONLY AND EXCLUDING VISIBLE LIGHT MOUNTED IN THE PATH OF SAID BEAM OF LIGHT BETWEEN SAID DETECTOR MEANS AND SAID SECOND QUARTZ WINDOW; FILTER MEANS, ELECTRICALLY CONNECTED TO SAID DETECTOR MEANS, FOR PASSING ONLY SAID ELECTRICAL IMPULSES WHICH VARY AT SAID PREDETERMINED RATE; AND MEASURING MEANS, ELECTRICALLY CONNECTED TO SAID FILTER MEANS, FOR MEASURING THE AMPLITUDE OF SAID ELECTRICAL IMPULSES; WHEREBY SAID AMOUNT OF WATER SUSPENDED IN SAID VAPOR MAY BE DETERMINED.