POWER TRANSMISSION DEVICE

A power transmission device includes a motor, a first planetary reduction gear connected downstream of the motor, a second planetary reduction gear connected downstream of the first planetary reduction gear, a differential gear connected downstream of the second planetary reduction gear, a drive sha...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	OSHIDARI, Toshikazu
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A power transmission device includes a motor, a first planetary reduction gear connected downstream of the motor, a second planetary reduction gear connected downstream of the first planetary reduction gear, a differential gear connected downstream of the second planetary reduction gear, a drive shaft connected downstream of the differential gear, and a case member. The drive shaft penetrates an inner circumference of a rotor of the motor, an inner circumference of a sun gear of the first planetary reduction gear, and an inner circumference of a sun gear of the second planetary reduction gear. A portion of the differential case positioned between the first planetary reduction gear and the second planetary reduction gear is supported at an inner circumference side of a portion of the case member with a first bearing being interposed.