patrickpth wrote:
Multitroni...(恕刪)
太棒的精闢見解
容我轉貼到VAG版去~~
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Howard L wrote:
不知道多加個Plus...(恕刪)
Google了一下，主要差異有Start / Stop功能，新增了一個Pump..
另外就是各項指標都有所進步，溫度，耐用等等...
原文：
Finally, the new seven-speed automatic transmission from Daimler is equipped with a start-stop system for the first time, made possible with the addition of an electric auxiliary transmission oil pump that safeguards the pressure supply when the constant-flow pump is not running (engine off). The vehicle can start off again without delay following a brief stop. A next-generation torque converter optimizes NVH levels thanks to more advanced dampers, which also noticeably reduce fuel consumption. This is achieved by greatly reducing the slip of the lock-up clutch (actively regulated zero slip) in conjunction with better mechanical damper insulation from very low engine speeds and during gear shifts, despite the fact that the nominal and reaction torque of the engines has increased. The gear shift program has also been modified to reduce engine speed in Eco mode, 8. In addition, the new FE converter provides for optimal acceleration from a stop, smoother operation of the torque converter lock-up clutch, and better response to movements of the accelerator pedal.
Consumption-reducing measures were implemented for the transmission as well and include new automatic transmission fluid (ATF134FE) with reduced viscosity in conjunction with an optimized additives package, redesigned internal componentry for the transmission, with new materials, bearings, disk linings, and geometric enhancements, and adapted software, lower service pressure at many operating points, and better internal seals. The reworked electronic control unit for the transmission, together with improved software, make shifting smoother.
