Method and device for cooling an internal combustion engine

F - Mech Eng,Light,Heat,Weapons – 01 – P

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F01P 11/06 (2006.01)

Patent

CA 2485186

The invention relates to a method and a device for cooling an internal combustion engine. An aqueous, non-ionic coolant composition is used in a cooling circuit (14) of the internal combustion engine (11). In order to also ensure long-lasting protection against corrosion for light metal components of the engine that come into contact with the coolant, e.g. components made of magnesium or magnesium alloys, the cooling circuit has at least one deionization device (28), for example, an ion exchanger, for the coolant.

La présente invention concerne un procédé et un dispositif pour refroidir un moteur à combustion interne. Une composition d'agent réfrigérant aqueuse non ionique est utilisée dans un circuit de refroidissement (14) du moteur à combustion interne (11). L'objectif de la présente invention est d'obtenir une protection longue durée contre la corrosion également pour des composants en métaux légers du moteur qui viennent en contact avec le liquide de refroidissement, tels que des composants en magnésium ou en alliages de magnésium. A cette fin, le circuit de refroidissement présente au moins un système de désionisation (28), par exemple un échangeur d'ions, destiné au liquide de refroidissement.

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