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The power from the transmission is transmitted through the reduction gear,
The power from the transmission is transmitted through the reduction gear,
differential, halfshaft gear and halfshaft to driving wheels.
differential, halfshaft gear and halfshaft to driving wheels.
Fig 2.2 Reducer and differential
Fig 2.2 Reducer and differential
1.
1. Gear
Gear ring
ring
2. Pin
2. Pin
3.
3. Ball
Ball bearing
bearing
4.
4. Side
Side gear
gear
5. Shim
5. Shim
6. O-ring
6. O-ring
7.
7. Bearing
Bearing cover
cover
8.
8. T
Tapered
apered roller
roller bearing
bearing
9.
9. Adjusting
Adjusting shim
shim
10. Gear
10. Gear
11. Spacer
11. Spacer
12.
12. Pinion
Pinion shaft
shaft
13. Pin
13. Pin
14.
14. Planet
Planet gear
gear
15. Shim
15. Shim
16.
16. Gear
Gear shaft
shaft
2.3 Torque converter (Fig2.3)
2.3 Torque converter (Fig2.3)
The torque converter mainly consists of
The torque converter mainly consists of an impeller, a turbine and
an impeller, a turbine and an idler
an idler pulley
pulley..
The liquid, from the impeller driven by an input shaft, is jetted along its leaves to
The liquid, from the impeller driven by an input shaft, is jetted along its leaves to
leaves of the turbine to transmit the torque to the output shaft (Mechanical energy is
leaves of the turbine to transmit the torque to the output shaft (Mechanical energy is
changed into kinetic one). And the flowing direction of the liquid from the turbine wheel is
changed into kinetic one). And the flowing direction of the liquid from the turbine wheel is
changed by the idler pulley to cause partial liquid return the impeller at an angle and
changed by the idler pulley to cause partial liquid return the impeller at an angle and
produce so large reaction torque driving the idler pulley that the value of output torque is
produce so large reaction torque driving the idler pulley that the value of output torque is
more than that of input torque by the value of the
more than that of input torque by the value of the reaction torque. When the turbine speed
reaction torque. When the turbine speed
keeps on increasing up to speed of the impeller, the change rate of the flow angle slows
keeps on increasing up to speed of the impeller, the change rate of the flow angle slows
down and the value of the output
down and the value of the output torque keeps on decreasing until the liquid flows into the
torque keeps on decreasing until the liquid flows into the
leaves of the idler pulley in opposite direction. When original reaction torque acts in the
leaves of the idler pulley in opposite direction. When original reaction torque acts in the
opposite direction, the torque value of the output shaft is less than that of the input shaft.
opposite direction, the torque value of the output shaft is less than that of the input shaft.
T
To prevent this, a one-way clutch
o prevent this, a one-way clutch is fitted in
is fitted in the idler pulley, causing the idler pulley freely
the idler pulley, causing the idler pulley freely
rotate on this case. The way of torque-converting can be used to ensure efficient and
rotate on this case. The way of torque-converting can be used to ensure efficient and
smooth work of
smooth work of the torque converter.
the torque converter.
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