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6F33 TRANSAXLE
11
6. DETAIL OF A/T COMPONENTS (FOR
INFORMATION)
A. TORQUE CONVERTER
OVERVIEW
Torque converter that transfers the power to
transaxle from engine is installed between engine
and transaxle.
The torque converter converts the mechanical
energy from engine to hydraulic energy, and the
turbine connected to transaxle input shaft converts
this hydraulic energy to mechanical energy again.
The stator between pump and turbine increases the
output torque from turbine by converting the flowing
direction.
The stator has a torque converter area that changes
the flowing direction and a fluid coupling area where
the stator rotates.
And, the damper (lockup) clutch integrated in torque
converter prevents the power from losing and
reduces fuel consumption.
OPERATION
When the torque converter is driven by the engine,
the fluid in the torque converter is circulated by
centrifugal force.
When the speed increases, the fluid flows into
turbine from pump, and then flows forward stator.
This fluid changes its direction in stator and pushes
the back of pump.
This causes the fluid to increase the pumping force.
The increased pumping force rotates the turbine
with higher speed.
LOCKUP CLUTCH
In 6 A/T, the ultra-flat trust has been introduced in
torque converter to achieve compact (short length)
and light weight design.
And, the slip lockup control technology in torque
converter improves the fuel economy and reduces
the noise.
Lockup clutch in torque converter reduces the
slippage and keeps the lowest fuel loss.