PowerPointPrsentation

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Engine 101
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End Esc
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PISTON
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CYLINDER
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Combustion Chamber
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LUBRICATION
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Crank Shaft
PISTON
Oil Pan
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The Crank shaft rotates in the oil pan and
splashes Oil on to the pistons.
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Both sides are lubricated in order to Reduce
friction.
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Basic Operaion A motor has several cavitvities
called cylinders. The piston moves up and down
in the cylinder Thus converting vertical movement
into rotary movement. This rotary movement is
transfered to The wheels through a gear box to
the wheels
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The fuel is mixed with air in the carburetor.
The air/ fuel mixture is Then put in the
cylinders. This is called the Intake Stroke
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Now the explosive mixture is in the cylinder, it
must be crompressed prior to combustion. The
piston compresses, thie mixture. This is
called the Compression Stroke
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At an exact time, the spark plug ignites the
mixture. This is called the Ignition. Stroke
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The piston is forced down violently during the
ignition stroke then rises again to expell
the Burned gasses. This is the Exhaust Stroke
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Four Valves
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Direct injection JTD, TDI, HDI
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Crank shaft and piston
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TURBOCHARGER
MOTOR
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TWIN TURBO There are two turbine wheels on one
axis. One is driven by the exhaust fumes, the
other sucks the mixture and pumps it into the
cylinder.
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This increases the amount of air that injected
into combustion chamber.
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Before the INVENTION of the Turbo more cylinders
were needed to boost performance.
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Principle of the direct injection the mixture is
injected directly into the cylinder. The direct
injection is possible by the use of a high
pressure pump.
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This is an example of an IN-LINE 4 CYLINDER Engine
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The Cooling System
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