Measuring and testing – Volume or rate of flow – System
Patent
1980-11-19
1982-05-18
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
System
422 51, 422 95, G01K 1700, G01N 2530
Patent
active
043298745
ABSTRACT:
A calorimetric apparatus for determining the calorific content of a fuel gas uses a reactor for producing oxidation of the fuel gas and a combustion gas in the presence of a catalytic oxidizer. The catalytic oxidizer is mounted on one end of a thermo-electric element which element has a heat absorbing end and a heat emitting end when energized by an electric current to produce a Peltier effect. The catalytic end of the element is mounted within the reactor while the other end is located outside of the reactor. The temperatures of the ends of the element are detected by a controller and the difference therebetween is maintained at a predetermined level during the catalytic reaction by the controller developing a control signal to control the supply of the electric current to the element. A display control signal is derived from the control signal by the controller and used to control a display for indicating the calorific content of the fuel gas.
REFERENCES:
patent: 2197370 (1940-04-01), Sullivan
patent: 3777562 (1973-12-01), Clingman, Jr.
Burton Lockwood D.
Goldstein Herbert
Halista Mitchell J.
Honeywell Inc.
Marhoefer Laurence J.
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