A. WHAT IS AUTO TRANSMISSION SYSTEM :~
Automatic transmission is a type of motor vehicle transmission that can automatically change the gear ratios at the vehicle moves, freeing the driver from having to shift gears manually.
B. DIFFERENT PARTS:~
- Clutch
- The gear box
- Propeller shaft
- Universal joints
- Rear axle
- Wheel
- Tiers
C. FEATURES OF AUTOMATIC TRANSMISSION :~
1. Automatic transmission:-
Shifts gears automatically, does not require a manual clutch.
2. Front-wheel-drive vehicles:-
Combine transmission with differential in transaxle.
3. Most automatic transmissions use a torque converter.
4. Some use a dual clutch arrangement.
D. PARTS OF AUTOMATIC TRANSMISSION:~
Torque Converter
Input Shaft
Transmission Pump
Planetary Gear Set
Governor and Modulator
Valve Body
Multiple Clutch Plate
E. METHODS OF POWER TRANSMISSION:~
Different kind of methods can be use as follows-
I) Fluid, friction, and gears starts working with power input.
II) Torque converter transmits power by using fluid.
III) Planetary holding members starts to work by using fluid and friction.
IV) Gears transmit power and change speed and torque.
F. ADVANTAGES :~
✓ Shifts gear automatically.
✓Doesn’t need to change gear with subsequent speed.
✓ Makes journey more easier and comfortable.
✓ Lower risks at higher speed.
G. DISADVANTAGES :~
✓ More costlier than manual transmitted cars.
✓ Makes the engine design more complicate.
✓ As partly controlled by automation, Electronic faults may occur.
H. APPLICATIONS:~
I) Widely used in high speed cars.
II) Modern luxurious cars, heavy duty trucks.
III) In six strokes and eight strokes heavy
engines.
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