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Title:
LUBRICATING COMPOSITION
Document Type and Number:
Japanese Patent JP2012193383
Kind Code:
A
Abstract:

To provide a method of lubricating an internal combustion engine by monitoring the performance of the engine and adding an additive package in response thereto.

The invention relates to the method of lubricating the internal combustion engine with a power output of at least 1,600 kw with a lubricating composition. The method includes: (1) a step of monitoring one or more performance characteristics of the engine; (2) a step of selecting the additive package to provide a desired TBN level to the lubricating composition to modify the performance characteristics of the engine; (3) a step of combining the additive package of the step (2) with (a) a component having viscosity of about 2 mm2/s to 12 mm2/s and comprising a light neutral base oil, and optionally (b) a component having viscosity of above 12 mm2/s to about 40 mm2/s and comprising a heavy neutral base oil or a bright stock; and (4) a step of supplying the composition of the step (3) to the engine.


Inventors:
LEAHY RICHARD
MAYHEW ALEXANDRA
BARNES W PRESTON
COOK STEPHEN J
Application Number:
JP2012156755A
Publication Date:
October 11, 2012
Filing Date:
July 12, 2012
Export Citation:
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Assignee:
LUBRIZOL CORP:THE
International Classes:
C10M169/04; C10M101/02; C10M143/06; C10M145/14; C10M159/22; C10N20/00; C10N20/02; C10N20/04; C10N30/04; C10N30/06; C10N30/12; C10N40/26
Domestic Patent References:
JP5158939B22013-03-06
JPH028296A1990-01-11
JP2003119484A2003-04-23
JPH07247494A1995-09-26
JP5158939B22013-03-06
JPH028296A1990-01-11
JP2003119484A2003-04-23
JPH07247494A1995-09-26
Foreign References:
WO2003072912A12003-09-04
WO1999064543A11999-12-16
WO2003072912A12003-09-04
WO1999064543A11999-12-16
Attorney, Agent or Firm:
安村 高明
山本 秀策
森下 夏樹