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Title:
TRANSMISSION LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2020/213644
Kind Code:
A1
Abstract:
A transmission lubricating oil composition that contains (A) a lubricating oil base oil that includes a mineral-oil-based base oil and/or a synthetic-oil-based base oil, has a kinematic viscosity at 100°C of 1.5–3.2 mm2/s, and has a %CN of no greater than 20 and (B) a poly(meth)acrylate, there being 0.001–0.2 mass% of the poly(meth)acrylate relative to the total amount of the lubricating oil composition. The lubricating oil composition has a kinematic viscosity at 100°C of 2.0–3.8 mm2/s, and the product X×Y of the NOACK evaporation loss X (mass%) of the composition as measured for a container temperature of 150°C and a heating time of 2 hours and the Brookfield viscosity Y (mPa·s) of the composition at -40°C is no greater than 10,000.

Inventors:
MASUDA KOHEI (JP)
Application Number:
PCT/JP2020/016584
Publication Date:
October 22, 2020
Filing Date:
April 15, 2020
Export Citation:
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Assignee:
JXTG NIPPON OIL & ENERGY CORP (JP)
International Classes:
C10M169/04; C10M101/02; C10M105/02; C10M107/02; C10M135/10; C10M145/14; C10M159/22; C10N10/04; C10N20/00; C10N20/02; C10N30/00; C10N40/04
Domestic Patent References:
WO2013136582A12013-09-19
Foreign References:
JP2017078138A2017-04-27
JP2016176015A2016-10-06
JPH11509261A1999-08-17
JP2005154760A2005-06-16
JP2016190919A2016-11-10
JP2006117852A2006-05-11
Attorney, Agent or Firm:
YAMAMOTO, Noriaki et al. (JP)
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