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2 476 589

(13)

(51)

IPC

C10M175/02(2006-01-01)

(21) (22)

Application

2011138661/04, 2011-09-20

(24)

Start date

2011-09-20

(22)

Actual filing date

2011-09-20

(45)

Published

2013-02-27

(72)

Inventor

Ostrikov Valerij Vasil'EvichBusin Igor' VjacheslavovichVjazinkin Viktor Sergeevich

(73)

Holder

Gosudarstvennoe Nauchnoe Uchrezhdenie Vserossijskij Nauchno-Issledovatel'Skij Institut Ispol'Zovanija Tekhniki I Nefteproduktov Rossijskoj Akademii Sel'Skokhozjajstvennykh Nauk Vniitin Rossel'Khozakademii)

METHOD OF CLEANING ENGINE OIL FROM AGEING PRODUCTS AND IMPURITIES Russian patent published in 2013 - IPC C10M175/02

Abstract RU 2476589 C1

FIELD: chemistry.

SUBSTANCE: 50% aqueous solution of carbamide in amount of 0.1-0.3% with respect to volume of the oil to be cleaned is mixed with 1-2% of the oil to be cleaned. The obtained mixture is added to the operating engine oil which is preheated to 80-90°C and then stirred for 5-10 minutes, followed by separation of the oil by centrifuging.

EFFECT: high quality of cleaning, longer service life of the oil.

1 tbl, 1 dwg

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RU 2 476 589 C1

Authors

Ostrikov Valerij Vasil'Evich

Busin Igor' Vjacheslavovich

Vjazinkin Viktor Sergeevich

Dates

2013-02-27—Published

2011-09-20—Filed