Transmission device and electric drive unit comprising at least one electric machine and the transmission device

Transmission devices are disclosed having a first planetary drive, a second planetary drive, a hollow shaft, and a shaft which is seated concentrically in the hollow shaft and can be rotated relative to the hollow shaft. In one example, the first planetary drive includes a first sun gear and first p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Biermann, Thorsten, Wurzberger, Philip
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 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 THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Transmission devices are disclosed having a first planetary drive, a second planetary drive, a hollow shaft, and a shaft which is seated concentrically in the hollow shaft and can be rotated relative to the hollow shaft. In one example, the first planetary drive includes a first sun gear and first planet gears in mesh with the first sun gear, and the second planetary drive has second planet gears in mesh with a second sun gear. The first planet gears and second planet gears may be spaced apart radially from a rotational axis common to the hollow shaft and the shaft, and a shaft section of the shaft may protrude axially from one end of the hollow shaft. In this arrangement, the first sun gear is seated on the shaft section. The second sun gear may be seated on the hollow shaft coaxially with the first sun gear. The first sun gear may carry a seal that rests sealingly on a rotationally symmetrical section of the hollow shaft, which is configured to be rotated relative to the first sun gear about the rotational axis.