TOYOTA has developed the world's first eight-speed automatic transmission (AA80E) for front-engine, rear-drive passenger cars. The AA80E developed for high-torque engines raises the level of power performance and fuel efficiency. To meet the size requirements needed for mounting in a passenger car application, an 8-speed geartrain, torque converter, transmission case and hydraulic control device were all newly-developed. Furthermore, the AA80E has benefited from technical developments to achieve an extremely high level of quietness and shifting performance. In this paper, the details of the AA80E are introduced.
Toyota's World First 8-Speed Automatic Transmission for Passenger Cars
Sae Technical Papers
SAE World Congress & Exhibition ; 2007
16.04.2007
Aufsatz (Konferenz)
Englisch
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