AUTOZINE TECHNICAL SCHOOL
Department of Transmission
Automatic Transmission
Overview
Computerized
Manual override - e.g. Porsche Tiptronic
More and more ratios
Performance edge
Fuel economy improved
Multi-clutch Automatic
- Mercedes MCT
Hybrid automatic
- ZF 8-speed hybrid transmission
Manual Transmission
Overview
Clutchless manual - e.g. Saab Sensonic
Automatic rev matching
No-lift shift
Automated manual
- e.g.
Ferrari F1
,
Alfa Selespeed
,
BMW SMG
Twin-clutch manual
- e.g.
Volkswagen DSG
Multi-clutch manual
- e.g.
Koenigsegg LST
CVT (Continuously Variable Transmission)
Introduction
Belt-drive CVT
Working principles
From rubber to steel belt
Further development
Pros and Cons
Chain-drive CVT
- e.g. Audi Multitronic
Roller-drive (Toroidal) CVT
- e.g. Nissan Extroid CVT
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AutoZine
