AUTOMATIC TRANSMISSION

An automatic transmission (1) includes first, second, and third planetary gear sets (10, 20, 30) and a lubricant feed passage (L2). The first and second planetary gear sets (10, 20) form a two-stage planetary gear set (40). The third planetary gear set (30) is adjacent to the two-stage planetary gea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KAMADA Shinya, IWASAKI Tatsuhiko
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:	An automatic transmission (1) includes first, second, and third planetary gear sets (10, 20, 30) and a lubricant feed passage (L2). The first and second planetary gear sets (10, 20) form a two-stage planetary gear set (40). The third planetary gear set (30) is adjacent to the two-stage planetary gear set on one axial side of the automatic transmission. The lubricant feed passage (L2) feeds a lubricant to a bearing (25) of the second planetary gear set located on an outer periphery of the two-stage planetary gear set (40). The lubricant feed passage feeds the lubricant from a first inlet (37e) to the bearing via a first oil passage (37f) and oil passages (26a, 26b, 26c) in a pinion shaft. The first inlet (37e) is formed on a side of a carrier body (37) opposite to the two-stage planetary gear set and on an inner periphery of the automatic transmission.