COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE

Title:

COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE

Document Type and Number:

WIPO Patent Application WO/2012/107990

Kind Code:

A1

Abstract:

In order to estimate the characteristic of cooling water accurately, a cooling system for an internal combustion engine (1) is equipped with a radiator (13), a bypass passage (14) that bypasses the radiator (13), a thermostat (15), and a control device (30) that changes the temperature at which a valve opens for the thermostat (15), and is equipped with an estimation device (30) that prohibits the opening of the valve of the thermostat (15) and estimates the characteristic of the cooling water on the basis of the shift in the temperature of the cooling water at this time.

More Like This:

JPH08283704	COOLANT AND ITS PRODUCTION
JP3883866	Engines, especially reciprocating piston engines

Inventors:

NAKATANI KOICHIRO (JP)
YAMASHITA AKIRA (JP)
SAODA TAKENORI (JP)

Application Number:

PCT/JP2011/052534

Publication Date:

August 16, 2012

Filing Date:

February 07, 2011

Export Citation:

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Assignee:

TOYOTA MOTOR CO LTD (JP)
NAKATANI KOICHIRO (JP)
YAMASHITA AKIRA (JP)
SAODA TAKENORI (JP)

International Classes:

F01P11/14; F01P3/20; F01P11/16

Foreign References:

JP2007321633A	2007-12-13
JP2009044896A	2009-02-26
JPH116431A	1999-01-12
JP2008045090A	2008-02-28
JP2010168538A	2010-08-05
JP2003138940A	2003-05-14

Other References: