Title:
GAS ENGINE OIL COMPOSITION
Document Type and Number:
Japanese Patent JP2017019953
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a gas engine oil composition having excellent oxidation resistance and NOx resistance.SOLUTION: A gas engine oil composition has a base oil, a naphthyl amine antioxidant whose content is 1.5 mass%-4.0 mass% relative to the total amount of the gas engine oil composition, and a calcium cleaner, with its base number of 2 mgKOH/g-7 mgKOH/g.SELECTED DRAWING: None
Inventors:
ISHIZUKA TAKESHI
FUKUI FUMIO
FUKUI FUMIO
Application Number:
JP2015139946A
Publication Date:
January 26, 2017
Filing Date:
July 13, 2015
Export Citation:
Assignee:
COSMO OIL LUBRICANTS CO LTD
International Classes:
C10M141/06; C10M163/00
Domestic Patent References:
| JPH07126681A | 1995-05-16 | |||
| JP2001158896A | 2001-06-12 | |||
| JPH10219266A | 1998-08-18 | |||
| JP2015196695A | 2015-11-09 |
Foreign References:
| WO2008133327A1 | 2008-11-06 | |||
| US20090042753A1 | 2009-02-12 | |||
| CN104449972A | 2015-03-25 |
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Hiroshi Fukuda
Kato Kazunori
Hiroshi Fukuda
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