Automatic Transaxle System: Description

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Structure & Technical highlights

Fig 1: Sectional View Of Automatic Transaxle System
Courtesy of KIA MOTORS AMERICA, INC.
Variable Line Pressure Control
- Description
  - Form the most suitable line pressure according to the vehicle driving condition
- Special Features
  - VFS (Variable Force Solenoid) valve (For varying line pressure)
  - Reducing valve added (Stabilize control pressure during shifting)
- Effects
  - Improved power transmission efficiency and fuel consumption
    
    Fig 2: Variable Line Pressure Control System
    Courtesy of KIA MOTORS AMERICA, INC.
Case/Housing intensity reinforced
- Description
  - Case/Housing intensity reinforced
- Special Features
  - Converter housing intensity reinforced (Ribs added and thickness increased)
  - Most suitable stiff reinforcement through analysis
- Effects
  - Intensity increased and banding vibration decreased
  - NVH Performance improvement
Flat torque converter
- Description
  - Apply a flat type torque converter
- Special Features
  - Torque converter width decreased
  - Maximum torque increased
  - Blade design through three-dimensional flow analysis
- Effects
  - Full length reduction
  - Weight reduction