Definition of transmission system

Definition of transmission system


The mechanism that transmits the power developed by the engine of
automobile to the engine to the driving wheels is called the
TRANSMISSION SYSTEM (or POWER TRAIN).It is composed of –
 Clutch
 The gear box
 Propeller shaft
 Universal joints
 Rear axle
 Wheel
 Tyres

Requirements of transmission system

Provide means of connection and disconnection of engine with rest of
power train without shock and smoothly.
 Provide a varied leverage between the engine and the drive wheels
 Provide means to transfer power in opposite direction.
 Enable power transmission at varied angles and varied lengths.
 Enable speed reduction between engine and the drive wheels in the ratio
of 5:1.
 Enable diversion of power flow at right angles.
 Provide means to drive the driving wheels at different speeds when
required.
 Bear the effect of torque reaction , driving thrust and braking effort
effectively.

Transmission systems
Clutch
 Gear Box
 Transfer Case
 Propeller Shaft and Universal Joints.
 Final Drive
 Differential
 Torque Tube
 Road Wheel

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