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7/30/2019 Air Suspension Systm
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DEPARTMENT OF MECHANICAL ENGINEERING , KNIT,
SULTANPUR
A SEMINAR
Presented byDEEPAK SAXENA
Roll No. 1110440019
AIR SUSPENSION SYSTEM
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Introduction
Role of Air Suspension System
Principle Of Air Suspension
Components of Air Suspension
Types Of Suspension
Advantages
Conclusion
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The automatic air suspension system is an air-operated,microprocessor controlled suspension system. This systemreplaces the conventional coil spring suspension and
provides automatic front and rear load leveling. The airbags, made of rubber and plastic, support the vehicle loadat the front and rear wheels.
SirWilliam Brush is the father of suspension system inautomobiles.
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The main role of air suspension system are as follows:
It supports the weight of vehicle .
Provides smoother ride for the driver and passengers i.e. acts as
cushion.
Protects your vehicle from damage and wear .
It also plays a critical role in maintaining self driving conditions.
It also keeps the wheels pressed firmly to the ground for traction .
It isolates the body from road shocks and vibrations which would
otherwise be transferred to the passengers and load.
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Principle :-When a tire hits an obstruction, there is a
reaction force. The size of this reaction force depends on the
unsprung mass at each wheel assembly.
In general, the larger the ratio of sprung weight to
unsprung weight, the less the body and vehicle occupants
are affected by bumps, dips, and other surface imperfectionssuch as small bridges. A large sprung weight to unsprung
weight ratio can also impact vehicle control.
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Sprung mass :-Sprung mass (weight) refers to vehicle
parts supported on the suspension system, such as the
body, frame, engine, the internal
components, passengers, and cargo.
Unsprung mass :- Unsprung mass
refers to the components that followthe road contours, such as wheels, tires,brake assemblies,
and any part of the steering and suspension not supported by
the springs.
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There are three fundamental components of air
suspension system .
The air supply
Air bags
Height control valves
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The below figure shows Horizontal/Vertical Acceleration:
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FRONT REAR
INDEPENDENTNON
INDEPENDENTINDEPENDENT
NON
INDEPENDENT
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Excellent Suspension & Comfort to passengers
Fully Automatic Level Control
Good handling Shields the vehicle from damage
Keeps the tires pressed firmly to ground
Easy To Service
Lifting & Lowering Function
Increases life of vehicle
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From the whole discussion in suspension system, I observe thatsuspension system is like a white blood cell .As white blood cell
provides energy to our body to fight against diseases or viruseswhich try to destroy or try to decrease our life ,in the similar waysuspension system provides the energy to a vehicle to protectitself from damaging, increasing life of the vehicle ,increases thehandling, increases comfort of passengers and many more. So, according to me if you remove the suspension system, then
you feel like in bull- cart in Audi , Mercedes types luxurious cars.The only difference is speed. So, the scope of Suspension System is Too Bright.
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