Measuring and testing – Gas analysis – Moisture content or vapor pressure
Patent
1976-04-12
1977-05-03
Queisser, Richard C.
Measuring and testing
Gas analysis
Moisture content or vapor pressure
73349, 733639, 116137R, 137829, 176 19R, G01K 1126, G01K 1302, G21C 1702
Patent
active
040206939
ABSTRACT:
A transducer to monitor a parameter and produce an acoustic signal from which the monitored parameter can be recovered. The transducer comprises a modified Galton whistle which emits a narrow band acoustic signal having a frequency dependent upon the parameter being monitored, such as the temperature of the cooling media of a nuclear reactor. Multiple locations within a reactor are monitored simultaneously by a remote acoustic receiver by providing a plurality of transducers each designed so that the acoustic signal it emits has a frequency distinct from the frequencies of signals emitted by the other transducers, whereby each signal can be unambiguously related to a particular transducer.
REFERENCES:
patent: 1315019 (1919-09-01), Heyer
patent: 3403509 (1968-10-01), Eastman et al.
patent: 3517559 (1970-06-01), Blazek
patent: 3557816 (1971-01-01), Small
Barnes, J. H.; "Measurement of Gas Temperature Using Gas Jet Generator"; Proc. Instn. Mech. Engrs. (1969-1970); vol. 184, p. 1, No. 6; pp. 107-116.
Ahlgren Frederic F.
Scott Paul F.
Appleman John S.
Carlson Dean E.
Carnahan L. E.
Gaither Roger S.
Queisser Richard C.
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