MOTOR VEHICLE AND METHOD FOR OPERATION OF A COOLING DEVICE

A motor vehicle comprises a drive train with an electric motor, to which a traction battery and a power electronics device comprising at least one pulse inverter are associated, and a cooling device for cooling the electric motor, the power electronics device and the traction battery, wherein the el...

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Bibliographische Detailangaben
Hauptverfasser:	FELDMANN, Uwe, GROCHLA, Arnold, FISCHER, Rüdiger
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 BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PERFORMING OPERATIONS PRINTED CIRCUITS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A motor vehicle comprises a drive train with an electric motor, to which a traction battery and a power electronics device comprising at least one pulse inverter are associated, and a cooling device for cooling the electric motor, the power electronics device and the traction battery, wherein the electric motor is cooled in a first cooling circuit with coolant of a first maximum temperature in the supply flow, wherein the power electronics device is cooled in a second coolant circuit, which is separate from the first coolant circuit, using coolant of a second maximum temperature in the supply flow, which is lower than the first maximum temperature.