Download - Four stroke engine-basics alok pandey
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ALOK KUMAR PANDEYASSISTANT PROFESSOR
DR. C.V.RAMAN UNIVERSITYKARGI ROAD KOTA BILASPUR
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Throughout this lesson on four-stroke engines, learner will self-navigate through this PowerPoint presentation
Be sure to click on every link Learner will be quizzed at the end of the
lesson Click on Next to move on, or Back to go back.
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Material that will be covered:Four-stroke engine basicsOther engine typesBasic components of a four-stroke engineThe four-stroke cycle
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A four-stroke engine:Is an internal combustion engineConverts gasoline into motionIs the most common car engine typeIs relatively efficientIs relatively inexpensive
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Two-stroke engines Diesel engines Rotary engines Turbine engines Steam engines
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Intake Valve
Valve Cover
Intake Port
Head
Coolant
Engine Block
Oil Pan
Oil Sump
Crankshaft
Camshaft
Exhaust Valve
Spark Plug
Exhaust Port
Piston
Connecting Rod
Rod Bearings
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Intake Valve- opens at the proper time to let in air and fuel. Valve Cover- Protects the valves and the valve springs.
Keeps dirt out and lubricating oil in. Intake Port- the passageway in a cylinder head for the fuel
and air to pass through. Head- a platform containing most of the parts of the
combustion chamber. Coolant- circulating water and antifreeze to keep the
temperature regulated. Exhaust Valve- open at the proper time to release the
exhaust
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Spark Plug- A device, inserted into the combustion chamber for firing an electrical spark to ignite air-fuel mixture
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1. 2. 3. 4.
IntakeCompressionCombustion
Exhaust
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Intake- process of filling the cylinder with the proper air-fuel mixture through the intake valve.
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Compression- The process of compressing the air-fuel mixture in the cylinder to make it more combustible
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Combustion-The process of igniting the compressed air-fuel mixture to create motion and the over all power of the engine.
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Exhaust- The process of releasing the exhaust out of the cylinder through the exhaust valve.
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