Drivetrain for an electric vehicle

A drivetrain for an electric vehicle includes a motor, a pair of drive shafts, and a compact and simple transmission mechanism composed of two planetary gear units to achieve a differential function as well as a large reduction speed ratio. The transmission mechanism has an input element coupled to...

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Bibliographische Detailangaben
Hauptverfasser:	HASEBE, MASAHIRO, TANIGUCHI, TAKUJI, TAKENAKA, MASAYUKI
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 BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A drivetrain for an electric vehicle includes a motor, a pair of drive shafts, and a compact and simple transmission mechanism composed of two planetary gear units to achieve a differential function as well as a large reduction speed ratio. The transmission mechanism has an input element coupled to the motor, one output element coupled to one of the drive shafts, coupling elements coupling the units together, a fixed element, and another output element coupled to the other of the drive shafts. The torque received at the input element is increased and transmitted to one output element, and the torque is also reversed between the one output element and one of the coupling elements. After transmission through the coupling elements the torque is again reversed and then transmitted to the other output element.