Title:
SHOCK ABSORBER LUBRICATING OIL COMPOSITION, ADDITIVE FOR FRICTION ADJUSTMENT, LUBRICATING OIL ADDITIVE, SHOCK ABSORBER, AND METHOD FOR ADJUSTING FRICTION OF SHOCK ABSORBER LUBRICATING OIL
Document Type and Number:
WIPO Patent Application WO/2020/084606
Kind Code:
A1
Abstract:
[Problem] To provide a shock absorber lubricating oil composition, an additive for friction adjustment, a lubricating oil additive, a shock absorber, and a method for adjusting the friction of a shock absorber lubricating oil, whereby it is possible to achieve both operating stability and ride comfort. [Solution] A shock absorber lubricating oil composition characterized by containing a base oil and a friction adjusting agent, wherein the friction adjusting agent contains zinc dithiophosphate and pentaerythritol.
Inventors:
KATO SHINJI (JP)
Application Number:
PCT/IB2019/061323
Publication Date:
April 30, 2020
Filing Date:
December 24, 2019
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
C10M141/00; C10M129/08; C10M129/74; C10M137/10; C10N30/00; C10N30/06; C10N40/06
Domestic Patent References:
| WO2015025972A1 | 2015-02-26 |
Foreign References:
| JP2013199535A | 2013-10-03 | |||
| JP2014019713A | 2014-02-03 | |||
| JP2012224653A | 2012-11-15 | |||
| JP2019019170A | 2019-02-07 | |||
| JP2019085919A | 2019-06-06 | |||
| JP2019187393A | 2019-10-31 |
Other References:
HIROSHI NAKANISHI, TRIBOLOGIST, vol. 54, no. 9, 2009, pages 598
See also references of EP 3872150A4
See also references of EP 3872150A4
Attorney, Agent or Firm:
SUDO, Akinobu et al. (JP)
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