Title:
BASE OIL FOR COOLING 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/2011/077839
Kind Code:
A1
Abstract:
Disclosed is a base oil for cooling a device, which contains 30 mass% or more of a hydrocarbon compound having a methyl group and a methylene group at the terminal of the main chain thereof in the total number of 16 or more and has a methyl branch and an ethyl branch in the total number of 1 or less in the molecule, and which has a kinematic viscosity of 4 to 30 mm2/s inclusive 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.
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Inventors:
TSUBOUCHI TOSHIYUKI (JP)
Application Number:
PCT/JP2010/069664
Publication Date:
June 30, 2011
Filing Date:
November 05, 2010
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
TSUBOUCHI TOSHIYUKI (JP)
TSUBOUCHI TOSHIYUKI (JP)
International Classes:
C10M107/10; C10N20/00; C10N20/02; C10N30/00; C10N40/00; C10N40/06; C10N40/14
Domestic Patent References:
| WO2002097017A1 | 2002-12-05 |
Foreign References:
| JP2007137951A | 2007-06-07 | |||
| JP2007137952A | 2007-06-07 | |||
| JP2009242547A | 2009-10-22 | |||
| JP2009161604A | 2009-07-23 | |||
| JPH07507077A | 1995-08-03 | |||
| JPH04226511A | 1992-08-17 |
Other References:
See also references of EP 2518131A4
None
None
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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