Title:
LUBRICANT COMPOSITION FOR TRUNK PISTON DIESEL ENGINE
Document Type and Number:
WIPO Patent Application WO/2015/147269
Kind Code:
A1
Abstract:
Provided is a lubricant composition for medium-speed trunk piston diesel engines, said lubricant composition being capable of reducing fuel consumption.
The lubricant composition for medium-speed trunk piston diesel engines comprises (A) 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 12 mm2/s, and (B) 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, and has a base number determined by the perchloric acid method of 7-55 mgKOH/g.
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Inventors:
MORITA YOKO (JP)
Application Number:
PCT/JP2015/059649
Publication Date:
October 01, 2015
Filing Date:
March 27, 2015
Export Citation:
Assignee:
JX NIPPON OIL & ENERGY CORP (JP)
International Classes:
C10M159/22; C10N10/04; C10N20/00; C10N20/02; C10N30/00; C10N30/02; C10N40/25
Foreign References:
| JP2011132340A | 2011-07-07 | |||
| JP2011032406A | 2011-02-17 | |||
| JP2005263860A | 2005-09-29 | |||
| JP2007231115A | 2007-09-13 |
Attorney, Agent or Firm:
YAMAMOTO, Noriaki et al. (JP)
Yamamoto 典輝 (JP)
Yamamoto 典輝 (JP)
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