Measuring and testing – Vibration – By mechanical waves
Patent
1989-12-06
1991-12-03
Williams, Hezron E.
Measuring and testing
Vibration
By mechanical waves
324644, 324645, 324663, 324667, 73 1903, G01H 500
Patent
active
050690701
ABSTRACT:
Especially precise and reliable measurements and evaluations are obtained by measuring one or more propagation parameters of electromagnetic waves in a wave guide or resonator at least partially filled with fuel and evaluated in an evaluating circuit as the measure for the alcohol content and/or the calorific value. According to one embodiment, the travel time or the travel time difference of an electromagnetic wave between two or more points in a wave guide filled with fuel is determined and is evaluated through computer or circuit technology as the measure for the alcohol content and/or the calorific value.
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Proceedings of the Fourth International Symposium on Alcohol Fuels Technology, Sao Paulo, Brazil, Oct. 5, 1980, pp. 379-383.
FEV Motorentechnik GmbH KG
Francos William
Williams Hezron E.
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