Electric drive system for independent wheel drive

A drive unit includes a housing, a main shaft, an output shaft, an electric motor, a first planetary gear set, and a second planetary gear set. The main shaft is rotatably disposed in the housing, and with the housing cooperatively defines an axis of rotation. The output shaft is disposed at least i...

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Bibliographische Detailangaben
Hauptverfasser:	Pritchard, Larry A, Francis, Philip J
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 CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A drive unit includes a housing, a main shaft, an output shaft, an electric motor, a first planetary gear set, and a second planetary gear set. The main shaft is rotatably disposed in the housing, and with the housing cooperatively defines an axis of rotation. The output shaft is disposed at least in part in the housing and is rotatable about the axis. The electric motor is disposed in the housing and has a rotor centered on and rotatable about the axis. The first planetary gear set is centered on the axis and provides a first speed reduction ratio between the rotor and a second planetary gear set. The second planetary gear set provides a second speed reduction ratio between the first planetary gear set and the output shaft.