AUTOMATIC TRANSMISSION

[Summary] Forward nine speed stages are achieved by four planetary gear units and six frictional elements and established by combination of synchronously fastening three of the six frictional elements. To an automatic transmission having the above-mentioned units and elements, there are added a firs...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YOSHINO, Jun, YAGI, Kan
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION 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:	[Summary] Forward nine speed stages are achieved by four planetary gear units and six frictional elements and established by combination of synchronously fastening three of the six frictional elements. To an automatic transmission having the above-mentioned units and elements, there are added a first connecting member (M1) that connects a first ring gear (R1) of the first planetary gear unit (PG1) to a second carrier (C2) of the second planetary gear unit (PG2) and, a fourth brake (B4) that is able to fix the first connecting member (M1) to a transmission case (TC). By combination of simultaneously fastening three of the seven frictional elements with fastening of the fourth brake, at least one new speed stage is established so that the automatic transmission establishes forward speed stages that are equal to or more than forward ten speed stages.