DRIVE DEVICE FOR VEHICLE

Disposed coaxially with the rotary electric machine (2) are: a speed reduction device (3) that reduces a speed of a rotation of a rotary electric machine (2); and a differential gear device (4) that distributes to a first wheel and a second wheel, a driving force from the rotary electric machine (2)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SANJI Hiroaki, ICHIOKA Mitsuhiro, SUYAMA Daiki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Disposed coaxially with the rotary electric machine (2) are: a speed reduction device (3) that reduces a speed of a rotation of a rotary electric machine (2); and a differential gear device (4) that distributes to a first wheel and a second wheel, a driving force from the rotary electric machine (2). The speed reduction device (3) has a first planetary gear mechanism (31) and a second planetary gear mechanism (32). The first planetary gear mechanism (31) is disposed on the rotary electric machine (2) side relative to the second planetary gear mechanism (32) in an order of a power transmission path. A speed reduction ratio of the first planetary gear mechanism (31) is smaller than a speed reduction ratio of the second planetary gear mechanism (32).