Measuring and testing – Gas analysis – By vibration
Patent
1981-03-18
1983-04-19
Kreitman, Stephen A.
Measuring and testing
Gas analysis
By vibration
G01N 2902
Patent
active
043801676
ABSTRACT:
An apparatus is provided for detecting the quantity of a specific gas hereinafter simply called "gas" in a carrier gas when water vapor is present. The gas and the carrier gas are passed through a whistle chamber which produces a resonating frequency. The resonant frequency changes as a function of the fraction of the gas, temperature and water vapor. An output signal is produced which is a function of the resonant frequency. A correction device senses water vapor and temperature and produces an output signal which is a function of the water vapor and the temperature. A receiving means receives the output signals and produces a resultant signal which is a function of only the fraction of the gas.
REFERENCES:
patent: 2283750 (1942-05-01), Mikelson
patent: 3011718 (1961-12-01), Joerren et al.
patent: 3981176 (1976-09-01), Jacobs
Publication "Gas Chromatographic Detectors", D. J. David (1974), Wiley, pp. 144-164.
Publication "Instrumental Methods of Analysis", Third Edition 1958, D. Van Nostrand Co., p. 341.
Publication "Continuous Analysis of Chemical Process Systems", Sidney Siggia, 1959, Wiley & Son.
Energy Controls, Inc.
Kreitman Stephen A.
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