MULTI-SPEED PLANETARY TRANSMISSION

A multi-speed transmission (300) including a plurality of planetary gearsets (308, 310, 312, 314) and a plurality of selective couplers (362, 364, 366, 368, 370, 372) to achieve at least nine forward speed ratios is disclosed. The plurality of planetary gearsets includes a first planetary gearset (3...

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Bibliographische Detailangaben
Hauptverfasser:	TRYON, Eric S, FOSTER, Michael
Format:	Patent
Sprache:	eng ; fre ; ger
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 multi-speed transmission (300) including a plurality of planetary gearsets (308, 310, 312, 314) and a plurality of selective couplers (362, 364, 366, 368, 370, 372) to achieve at least nine forward speed ratios is disclosed. The plurality of planetary gearsets includes a first planetary gearset (308), a second planetary gearset (310), a third planetary gearset (312), and a fourth planetary gearset (314). The plurality of selective couplers includes six selective couplers (362, 364, 366, 368, 370, 372) which may include three clutches (368, 370, 372) and three brakes (362, 364, 366).