Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HYDRAULIC DEVICE AND HYDRAULIC OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2018/186283
Kind Code:
A1
Abstract:
Provided is a hydraulic device comprising: an oil storage unit storing a hydraulic oil composition; a pressure feed unit that pressure-feeds the hydraulic oil composition; a control unit that controls the oil pressure, direction of flow, or flow rate of the hydraulic oil composition that has been pressure-fed; and a conversion unit that converts the controlled hydraulic oil composition oil pressure into mechanical power. The hydraulic oil composition contains: a lubricant base oil; an antioxidant including a phenol-based antioxidant; and a lubricant oil additive including at least one type selected from the group consisting of an organic molybdenum compound and a sulfur compound including sulfur as a constituent element thereof and not including molybdenum or phosphorus.

Inventors:
OSHIO TADASHI (JP)
YAGISHITA KAZUHIRO (JP)
NONAKA SATORU (JP)
Application Number:
PCT/JP2018/013343
Publication Date:
October 11, 2018
Filing Date:
March 29, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JXTG NIPPON OIL & ENERGY CORP (JP)
International Classes:
C10M129/10; C10M135/04; C10M135/06; C10M135/18; C10M137/10; C10N10/12; C10N30/00; C10N30/10; C10N40/08
Domestic Patent References:
WO2010079744A12010-07-15
Foreign References:
JP2005187647A2005-07-14
JP2008163115A2008-07-17
JP2010047735A2010-03-04
JP2011046900A2011-03-10
JP2011225775A2011-11-10
JP2004211006A2004-07-29
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Download PDF: