Title:
BASE OIL FOR COOLING OF DEVICE, DEVICE-COOLING OIL CONTAINING THE BASE OIL, DEVICE TO BE COOLED BY THE COOLING OIL, AND DEVICE COOLING METHOD USING THE COOLING OIL
Document Type and Number:
WIPO Patent Application WO/2011/080991
Kind Code:
A1
Abstract:
Disclosed is a base oil for cooling a device, which contains 30 mass% or more of at least one compound selected from an oleyl ester (an oleic acid ester and an oleyl alcohol ester) and an oleyl ether, wherein each of the oleyl ester and the oleyl ether has a terminal methyl group, a methylene group and an ether group in the total number of 23 or more in the main chain thereof, the total number of methyl branches and ethyl branches in the oleyl ester and the oleyl ether is 1 or less, and the kinematic viscosity of the base oil is 4 to 30 mm2/s or less at 40˚C. A device-cooling oil containing the base oil has excellent electrical insulation properties and excellent heat conductivity and is therefore suitable for cooling a motor, a battery, an inverter, an engine, an electric cell or the like in an electric-powered car or a hybrid car.
Inventors:
TSUBOUCHI TOSHIYUKI (JP)
Application Number:
PCT/JP2010/071817
Publication Date:
July 07, 2011
Filing Date:
December 06, 2010
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
TSUBOUCHI TOSHIYUKI (JP)
TSUBOUCHI TOSHIYUKI (JP)
International Classes:
C10M105/36; C10M105/18; C10N20/00; C10N20/02; C10N30/00; C10N40/14
Domestic Patent References:
| WO2002097017A1 | 2002-12-05 |
Foreign References:
| JP2002206094A | 2002-07-26 | |||
| JP2008280381A | 2008-11-20 | |||
| JP2005344017A | 2005-12-15 | |||
| JP2009242547A | 2009-10-22 | |||
| JPH08259980A | 1996-10-08 | |||
| JP2009161604A | 2009-07-23 | |||
| JP2009242547A | 2009-10-22 |
Other References:
See also references of EP 2520637A4
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
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