Title:
LUBRICATING OIL COMPOSITION FOR TWO-WHEELED MOTOR VEHICLES
Document Type and Number:
WIPO Patent Application WO/2023/162819
Kind Code:
A1
Abstract:
Provided is a lubricating oil composition for two-wheeled motor vehicles which comprises a base oil (A) and a metal phenate (B) and has a coefficient of friction, as measured using an MTM testing machine under the conditions below, of less than 0.0900. The lubricating oil composition for two-wheeled motor vehicles satisfies the performance required of lubricating oils for engines, retains a high coefficient of friction in wet clutches, and imparts an excellent shift feel. ·Test pieces: disk of standard test piece (AISI 52100) and ball (3/4 inch) of same material ·Operation time: 10 minutes ·Load: 30 N ·Oil temperature: 80°C ·Speed: 100 mm/s ·Slide-to-roll ratio (SRR): 50%
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Inventors:
HARAYAMA TAKATO (JP)
FUJINAMI YUKITOSHI (JP)
ISHIKAWA MOTOHARU (JP)
FUJINAMI YUKITOSHI (JP)
ISHIKAWA MOTOHARU (JP)
Application Number:
PCT/JP2023/005249
Publication Date:
August 31, 2023
Filing Date:
February 15, 2023
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M169/04; C10M129/10; C10M159/22; C10N10/04; C10N30/00; C10N30/06
Domestic Patent References:
| WO2009118984A1 | 2009-10-01 | |||
| WO2019230689A1 | 2019-12-05 | |||
| WO2014189057A1 | 2014-11-27 | |||
| WO2018105496A1 | 2018-06-14 |
Foreign References:
| JP2012131986A | 2012-07-12 | |||
| JP2013185087A | 2013-09-19 | |||
| JP2003041283A | 2003-02-13 | |||
| JP2020500959A | 2020-01-16 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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