METHOD OF DETERMINING PARAMETERS OF SIMPLE AND COMPLEX WEAR PARTICLES IN OIL SYSTEM OF ENGINE Russian patent published in 2006 - IPC G01N21/00 G01N21/62 G01N21/71 G01N21/73 

Abstract RU 2275618 C2

FIELD: engines; testing methods.

SUBSTANCE: invention relates to methods of determining parameters of simple wear particles consisting of one element and complex wear particles consisting of several elements found in oil system of engine for determining type of developing defect. According to proposed method, parameters of all wear particles found in oil system of engine are considered at one to failure. In sample of lubricating oil taken from rear drive box, amount of metal wear particles is determined and parameter of these particles, i.e. elementary content, and mean size of particles of each element in oil sample, concentration of dissolved metal and metal in wear particles are found. Simultaneously with taking oil sample, wash-out sample from main oil filter is taken and parameters of wear particles in this sample are measured and reference values of ratings of wear particles are calculated in form of ratio of simple and complex particles in wash-out sample, amount of particles of each element and amount of complex particles of definite composition in total amount of particles washed from oil filter, rating of wear particles of definite element and rating of complex particles are determined. Basing of relationship of values of parameters of wear particles in samples of oil and oil filter wash-out samples type of developing defect in engine oil system is determined.

EFFECT: improved information content when determining type of developing defect in engine oil filter.

4 cl

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Authors

Gajdaj Maksim Stanislavovich

Drokov Viktor Grigor'Evich

Kuzmenko Mikhail Leonidovich

Matveenko Georgij Petrovich

Ovchinin Nikolaj Nikolaevich

Skudaev Jurij Dmitrievich

Chervonjuk Vladimir Vasil'Evich

Dates

2006-04-27Published

2004-04-30Filed