LUBRICANT COMPOSITION FOR TRUNK PISTON DIESEL ENGINE

WIPO Patent Application WO/2015/147270

A1

A lubricant composition for medium-speed trunk piston diesel engines which comprises: as a base oil for the lubricant, one or more members selected from the group consisting of a mineral oil and a synthetic oil having a dynamic viscosity at 100°C of 3 mm2/s or more but less than 6 mm2/s, a mineral oil and a synthetic oil having a dynamic viscosity at 100°C of 6 mm2/s or more but less than 9 mm2/s and a mineral oil and a synthetic oil having a dynamic viscosity at 100°C of 9 mm2/s or more but less than 13 mm2/s; and, as a metal-based detergent, one or more kinds of calcium salicylate detergents optionally combined with a calcium phenate detergent, has a dynamic viscosity at 100°C of 7.0-11.0 mm2/s or lower and a high shear viscosity at 70°C of 7.0-20.0 mPa.s, and has a base number determined by the perchloric acid method of 7-55 mgKOH/g.

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MORITA YOKO (JP)

PCT/JP2015/059653

October 01, 2015

March 27, 2015

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JX NIPPON OIL & ENERGY CORP (JP)

C10M159/22; C10N10/04; C10N20/00; C10N20/02; C10N30/00; C10N30/06; C10N40/25

WO2013046484A1

2013-04-04

JP2011132340A	2011-07-07
JP2010090252A	2010-04-22
JP2010280818A	2010-12-16
JP2005263860A	2005-09-29
JP2011001493A	2011-01-06

YAMAMOTO, Noriaki et al. (JP)
Yamamoto 典輝 (JP)

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