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2 479 831

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(51)

IPC

G01M15/04(2006-01-01)

(21) (22)

Application

2011117415/06, 2011-05-04

(24)

Start date

2011-05-04

(22)

Actual filing date

2011-05-04

(45)

Published

2013-04-20

(72)

Inventor

Chernoivanov Vjacheslav IvanovichDunaev Anatolij Vasil'Evich

(73)

Holder

Gosudarstvennoe Nauchnoe Uchrezhdenie Vserossijskij Nauchno-Issledovatel'Skij Tekhnologicheskij Institut Remonta I Ehkspluatatsii Mashinno-Traktornogo Parka Rossijskoj Akademii Sel'Skokhozjajstvennykh Nauk Gosniti Rossel'Khozakademii)

METHOD OF DEFINING ICE SLEEVE ASSEMBLY RESIDUAL LIFE Russian patent published in 2013 - IPC G01M15/04

Abstract RU 2479831 C2

FIELD: engines and pumps.

SUBSTANCE: invention relates to ICE servicing, particularly, to diagnostics of ICEs. Proposed method consists in measuring full vacuum pressure P_fv and engine compression P_c for, at least, one cylinder of tested ICE before and after decoking. Obtained values are compared. If said values differ not more than by 10% residual life is defined. For this, basic graphical dependence of variation of P_fv upon P_c is plotted and dependence of sleeve assembly consumed life associated therewith. P_fv and P_c values measured in the last dry starting are plotted on said curve. Position of said plotted points relative to basic graphical plot is used to define residual life of sleeve assembly for at least one cylinder.

EFFECT: fast determination.

4 cl, 1 dwg, 1 tbl

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RU 2 479 831 C2

Authors

Chernoivanov Vjacheslav Ivanovich

Dunaev Anatolij Vasil'Evich

Dates

2013-04-20—Published

2011-05-04—Filed