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2 189 039

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IPC

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Application

2000129830/28, 2000-11-28

(24)

Start date

2000-11-28

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Actual filing date

2000-11-28

(45)

Published

2002-09-10

(72)

Inventor

Pashchenko V.M.Chuklov V.S.Vantsov V.I.Kolosov A.A.

(73)

Holder

Rjazanskaja Gosudarstvennaja Sel'Skokhozjajstvennaja Akademija Im. Prof. P.A.Kostycheva

METHOD OF DETERMINING OCTANE NUMBER OF MOTOR CAR GASOLINES Russian patent published in 2002 - IPC

Abstract RU 2189039 C2

FIELD: gasoline production. SUBSTANCE: increased efficiency in determining octane number of motor car gasolines is achieved through preliminarily establishing dependence (graph, table, etc.) of an informational parameter of gasoline on its octane number. This informational parameter can be velocity of ultrasonic wave transmission in gasoline at two different fixed temperatures. Octane number is then determined from the following relationship: octane number = 40[(V1- V2)/100+200/V2], where V1 ultrasonic wave transmission velocity at 20 C and V2 the same at 40 C. Ultrasonic frequencies are selected within the range between 100 and 200 kHz. EFFECT: improved determination accuracy. 14 cl, 1 dwg

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RU 2 189 039 C2

Authors

Pashchenko V.M.

Chuklov V.S.

Vantsov V.I.

Kolosov A.A.

Dates

2002-09-10—Published

2000-11-28—Filed

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