Infrared energy gage

Details Infrared energy gage Infrared energy gage

1982-09-30

1985-11-12

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250343, 73113, G01J 100

Patent

active

045530327

ABSTRACT:
Means and methods are provided for determining the energy content of a hydrocarbon fuel by infrared spectroscopy. The relationship between the energy content of the fuel and the number of carbon-carbon and carbon-hydrogen bonds in the fuel is disclosed. This relationship is utilized to determine the energy content of the hydrocarbon fuel by measuring the concentration of such carbon-carbon and carbon-hydrocarbon bonds by infrared spectroscopy. A first embodiment irradiates a hydrocarbon fuel with infrared radiation of wavelengths at which specific carbon-carbon and carbon-hydrogen bonds strongly absorb. A detector array and microprocessor process the data to compute the energy content of the fuel or rate of energy consumption by a device using the fuel. A second embodiment exposes the hydrocarbon fuel to infrared energy by using frustrated total internal reflection.

REFERENCES:
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patent: 3950101 (1976-04-01), Dewey, Jr.
patent: 3997786 (1976-12-01), Lauer et al.
patent: 4045671 (1977-08-01), Dille et al.
patent: 4134301 (1979-01-01), Erwin, Jr.
patent: 4228192 (1980-10-01), Sanden
patent: 4321465 (1982-03-01), Stover et al.
patent: 4323777 (1982-04-01), Baskins et al.
patent: 4404847 (1983-09-01), Larson

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