Cooling apparatus for engine system and control method therefor

The cooling system of an engine system has an engine cooling water channel in an internal combustion engine and a turbine cooling water channel in a turbocharger. A switcher selectively switches to either one of a first operation mode which allows the cooling water of the cooling system to flow in t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HAYASE YUICHIRO, SADAMITSU TAKAHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The cooling system of an engine system has an engine cooling water channel in an internal combustion engine and a turbine cooling water channel in a turbocharger. A switcher selectively switches to either one of a first operation mode which allows the cooling water of the cooling system to flow in the engine cooling water channel and the turbine cooling water channel, and a second operation mode which allows the cooling water of the cooling system to flow in only the engine cooling water channel among the engine cooling water channel and the turbine cooling water channel. If the switcher is in the first operation mode (S101: NO, S102: NO), and a basic flow rate Q0 calculated on the basis of an engine operation state (S105) is greater in comparison to an actual flow rate Q2 detected by a flow rate sensor (S106) by an assessment quantity (S107: YES), then the switcher switches to the second operation mode (S108).