Integrated cooling circuit in a hybrid vehicle powertrain

A hybrid vehicle powertrain comprises an internal combustion engine 110 and a liquid cooled motor generator 16, e.g. a belt alternator starter, each of which share an integrated cooling circuit 1 having a radiator 15, an exhaust gas recirculation cooler 310, a heating duct 40 and a cooling duct 41....

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Bibliographische Detailangaben
1. Verfasser:	GIANMARCO BRUNETTI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A hybrid vehicle powertrain comprises an internal combustion engine 110 and a liquid cooled motor generator 16, e.g. a belt alternator starter, each of which share an integrated cooling circuit 1 having a radiator 15, an exhaust gas recirculation cooler 310, a heating duct 40 and a cooling duct 41. The cooling duct 41 conveys cooling fluid from the radiator 15 to the exhaust gas recirculation cooler 310 while the heating duct 40 branches from an outlet point A of the engine 11 to an inlet point B of the cooling duct 41. Motor generator 16 is directly connected to an outlet 75 of the radiator 15 and is connected to the cooling duct 41 which also has an electric pump 14 that creates flow when pump 13 is off. A temperature controllable 4-way valve 320 is at the branching point B which has a by-pass duct for by-passing the exhaust gas recirculation cooler 310. The engine 110 is connected to the radiator via duct 30, a surge tank 11 and a thermostat 12.