内燃機関用潤滑油組成物

Japanese Patent JP7314124

B2

A lubricating oil composition for internal combustion engines, which contains: a lubricant base oil which is composed of one or more mineral oil type base oils, one or more synthetic base oils, or a combination of these base oils, and which has a kinematic viscosity at 100°C of 3.0 mm2/s or more but less than 4.0 mm2/s and an NOACK evaporation loss at 250°C of 15% by mass or less; (A) a metal-based detergent containing calcium borate in an amount of 1,000 ppm by mass or more but less than 2,000 ppm by mass in terms of calcium based on the total amount of the composition; and (G) zinc dialkyl dithiophosphate in an amount of 600 ppm by mass or more in terms of phosphorus based on the total amount of the composition. This lubricating oil composition for internal combustion engines does not contain (C) a viscosity index improver, or contains (C) a viscosity index improver in an amount of 5% by mass or less based on the total amount of the composition.

JP5735434	Lubricating composition containing reaction products of aromatic amines and carboxylic acid functionalized polymers and dispersants
JPH01299892	LUBRICANT COMPOSITION
WO/1997/031991	LOW ASH NATURAL GAS ENGINE OIL AND ADDITIVE SYSTEM

Hiromitsu Matsuda
Koji Hoshino

JP2020519957A

July 25, 2023

May 17, 2019

Click for automatic bibliography generation  

eneos corporation

C10M163/00; C10M167/00

JP2017226793A
JP2017186461A

Noriaki Yamamoto
Akihiko Yamashita
Tatsuto Kishimoto

Previous Patent: Compressed air nailer with safety actuator

Next Patent: METHOD FOR SHAKING OUT CORE SAND