Cooling water circuit system

A cooling water circuit system for an engine includes a radiator bypass passage (30, 40) through which cooling water of the engine bypasses a radiator (21), a heat exchanger (110) disposed in the radiator bypass circuit to perform heat exchange between the cooling water and lubricant oil of an autom...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	UOZUMI NOBUYUKI, KANNO TATSUYA, TAKATSUKA MICHIYA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL CRANKCASE VENTILATING ENGINE PLANTS IN GENERAL HEATING LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A cooling water circuit system for an engine includes a radiator bypass passage (30, 40) through which cooling water of the engine bypasses a radiator (21), a heat exchanger (110) disposed in the radiator bypass circuit to perform heat exchange between the cooling water and lubricant oil of an automatic transmission, and a radiator downstream passage (22) through which the cooling water from the radiator flows into the heat exchanger. Further, a flow adjusting unit (120, 121) is disposed at a join portion where the radiator bypass passage and the radiator downstream passage are joined, to adjust a flow ratio between the cooling water flowing from the radiator downstream passage to the heat exchanger and the cooling water flowing from the radiator bypass passage to the heat exchanger. The flow adjusting unit is controlled by a control unit (140) in accordance with the temperature detected by the temperature detection unit.