Octane measuring process and device
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United States of America Patent
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-
Oct 16, 1990
Grant Date -
N/A
app pub date -
Sep 1, 1989
filing date -
Sep 1, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The near infrared absorbance of the methyne band measures octane (pump, RON, and MON) with excellent correlation and can be used for gasoline blending. The absorbance may be measured as the first, second, third, fourth or higher derivative or by other signal processing techniques. The signal can be used to control a multi-component gasoline blending system to produce a preset desired octane. Such continuous or frequent measurement of octane (research octane number, RON; motor octane number, MON; and pump octane number (research plus motor times 0.5)) permits constant or frequent optimization of gasoline blending to produce a target octane which is sufficient to meet motorists' needs, yet uses minimum amounts of the more expensive high octane blending stocks.
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