power steering
TRANSCRIPT
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Presentation
on
Power Steering
Submitted To: Presented by-
Sulabh Nalwaya Anupam Kaler
Lect.(ME Dept.) 11EJAME015
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Introduction
History
Component In Power Steering
Types of power steering & It’s Working .
Applications
Advantages and Disadvantages
Conclusion
Contents
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HISTORY First installed in 1876.
On April 1900, Robert Twyfrod from USA got the patent for the first four wheel drive system.
In 1926 demonstrated the first PSS.
On agricultural tractors in the early 1950’s.
Suitable for small to medium tractors where power steering can be an option to manual steering.
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Components in power steering
Reservoir
Steering gear box
Rotary valve
Pump
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RESERVOIR
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• Steering gears are enclosed in a casing known as steering gear box
Steering gear box
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Rotary valve A rotary valve for a power steering system
includes a valve sleeve in which a rotor is rotatably carried for controlling fluid flow from a supply pump to a cylinder of the power steering system.
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Pump
Driven by vehicle’s engine.
Amount of flow depends on engine’s speed.
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Types of power steering
1. Hydraulic
2. Electro-hydraulic [E.H.P.S]
3. Electric
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component of Hydraulic
system:-
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Working of Hydraulic system
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Electro- Hydraulic system
• Hybrid System
• Use the same hydraulic assist technology as standard systems.
• Electric motor instead of being belt-driven by the engine.
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Electric system
It Mainly Contains :-
EPS ECU
Motor.
Sensor.
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Working of Electric system
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H.P. S V/S E.P.S
• Complication
• weights
• Maintainance
• Response
• Power consumption
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APPLICATIONS
Now a days, these are used in almost all the heavy vehicles.
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ADVANTAGES
Reducing the driver’s fatigue.
Low input torque and continuous steering function.
Oil output directly proportional to the steering speed.
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DISADVANTAGES
Leakage
Less Durability
Vibration
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CONCLUSION
By studying all these, we can conclude that the power steering is necessary for the modern cars.
It provides good handling to the driver, gives better comfort, and make him less fatigue.
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References
auto.howstuff.com/steering.htm
en.wikipedia.org/Power_steering
Mechanicalseminarz.blogspot.com
Authorstream.com/powersteering
By Seminar report
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Thank
You