Inhalation aerosol dosimeter and method of measuring dosage

Claim 1

IN APPARATUS FOR CONTINUOUSLY AND SIMULTANEOUSLY MEASURING THE INPUT CONCENTRATION OF AN AGENT IN THE INPUT GAS STREAM TO A PROCESSING STATION AND THE OUTUT CONCENTRATION OF THE AGENT IN THE OUTPUT GAS STREAM FROM THE PROCESSING STATION, THE COMBINATION COMPRISING A FIRST HOUSING DEFINING A FIRST CLOSED DETECTING CHAMBER AND HAVING A FIRST INLET CONNECTING WITH THE INPUT GAS STREAM FOR INTRODUCING A FIRST GAS SAMPLE INTO SAID FIRST DETECTING CHAMBER AND A FIRST OUTLET FOR REMOVING GASES THEREFROM, A FIRST HYDROGEN FLAME IONIZING UNIT WITHIN SAID FIRST DETECTING CHAMBER FOR IONIZING AT LEAST A PORTION OF THE FIRST GAS SAMPLE INTRODUCED THEREINTO, MEANS FOR SUPPLYING FUEL TO SAID FIRST IONIZING UNIT, FIRST MEANS FOR MEASURING THE IONIZATION OF THE GASES WITHIN SAID FIRST DETECTING CHAMBER, A SECOND HOUSING DEFINING A SECOND CLOSED DETECTING CHAMBER AND HAVING A SECOND INLET CONNECTING WITH THE OUTPUT GAS STREAM FOR INTRODUCING A SECOND GAS SAMPLE INTO SAID SECOND DETECTING CHAMBER AND A SECOND OUTLET FOR REMOVING GASES THEREFROM, A SECOND HYDROGEN FLAME IONIZING UNIT WITHIN SAID SECOND DETECTING CHAMBER FOR IONIZING AT LEAST A PORTION OF THE SECOND GAS SAMPLE INTRODUCED THEREINTO, MEANS FOR SUPPLYING FUEL TO SAID SECOND IONIZING UNIT, SECOND MEANS FOR MEASURING THE IONIZATION OF THE GASES WITHIN SAID SECOND DETECTING CHAMBER, A THIRD HOUSING DEFINING A CLOSED COOLING CHAMBER AND HAVING AN INLET CONNECTION COMMUNICATING THEREWITH AND CONNECTED BOTH TO SAID FIRST OUTLET AND TO SAID SECOND OUTLET AND HAVING AN OUTLET CONNECTION COMMUNICATING WITH SAID COOLING CHAMBER FOR REMOVING GASES THEREFROM, MEANS WITHIN SAID COOLING CHAMBER FOR COOLING AND CONDENSING A PORTION OF THE CONDENSABLE GASES PASSING THEREINTO, A FOURTH HOUSING DEFINING A CLOSED BALLAST CHAMBER AND HAVING AN INLET CONDUIT CONNECTED TO SAID OUTLET CONNECTION AND AN OUTLET CONDUIT FOR REMOVING GASES FROM SAID BALLAST CHAMBER, A FLOW METER FOR MEASURING THE RATE OF FLOW OF GASES AND HAVING AN INLET TUBE CONNECTED TO SAID OUTLET CONDUIT AND AN OUTLET TUBE FOR REMOVING GASES FROM SAID FLOW METER, A FIFTH HOUSING DEFINING A CLOSED RELATIVELY LOW VACUUM CHAMBER AND HAVING A FIRST INLET PASSAGE COMMUNICATING THEREWITH AND CONNECTED TO SAID OUTLET TUBE AND HAVING A SECOND INLET PASSAGE COMMUNICAING WITH SAID LOW VACUUM CHAMBER AND HAVING AN OUTLET PASSAGE COMMUNICATING WITH SAID LOW VACUUM CHAMBER FOR REMOVING GASES THERE-