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2 343 455

(13)

(51)

IPC

G01N19/02(2006-01-01)

(21) (22)

Application

2007133949/28, 2007-09-11

(24)

Start date

2007-09-11

(22)

Actual filing date

2007-09-11

(45)

Published

2009-01-10

(72)

Inventor

Lobachevskij Petr JakovlevichNesmijan Andrej Jur'EvichKhizhnjak Vladimir Ivanovich

(73)

Holder

Federal'Noe Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennaja Agroinzhenernaja Akademija" Vpo Achgaa)

METHOD OF FRICTION FACTOR EVALUATION Russian patent published in 2009 - IPC G01N19/02

Abstract RU 2343455 C1

FIELD: physics; measurement.

SUBSTANCE: invention refers to agricultural engineering, specifically to material analysis for friction factors. Technical result is reached by that friction factor is tangent of friction angle between the sample and analysed surface. To measure friction angle the tested sample is arranged between two identical tested surfaces, pivotally connected on one side and compressed at equal effort. Half angle between tested surfaces is required friction angle as the sample is stopped.

EFFECT: reduced timetable for friction factor evaluation.

1 dwg

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RU 2 343 455 C1

Authors

Lobachevskij Petr Jakovlevich

Nesmijan Andrej Jur'Evich

Khizhnjak Vladimir Ivanovich

Dates

2009-01-10—Published

2007-09-11—Filed