Parts in alphabetical order.
No. | Parts | Definition/Function |
1 | Connecting Rod | · Changes the reciprocating motion of piston into rotary motion at crankshaft · Transmits the power produced at piston to crankshaft |
2 | Cylinder Block | · Holds engine component (pistons, cylinders, camshaft and oil pump) · Hold crankshaft that converts rotating motion to reciprocating motion |
3 | Cylinder Head (4-stroke) | · Carries inlet and exhaust valve. · An injector is also mounted on cylinder head |
4 | Cylinder Liner | · Forms a sliding surface for the piston rings while retaining the lubricant within · Receives combustion heat through the piston and piston rings and transmits the heat to the coolant. · Prevents the compressed gas and combustion gas from escaping |
5 | Crank Pin | · Transfer power and motion to the crank shaft which come from piston through connecting rod |
6 | Crank Shaft | · Receives oscillating motion from connecting rod and gives a rotary motion to the main shaft. · Drives the camshaft which actuate the valves of the engine |
7 | Cam Shaft | · Takes driving force from crankshaft through gear chain · Operates the inlet and exhaust valve with the help of cam followers,push rod and rocker arms |
8 | Crosshead | · A beam that connects the piston rod to the connecting rod |
9 | Crosshead Guide | · Allowing the crosshead to only move in the same direction as the piston travel |
10 | Fuel Injector | · Delivers fuel in fine spray under pressure |
11 | Fuel Pump | · Deliver metered amount of fuel into cylinder through fuel delivery pipe & fuel injector |
12 | Inlet Valve & Exhaust Valve (4-stroke) | · Inlet valve allow the fresh charge of air-fuel mixture to enter the cylinder bore · Exhaust valve permits the burnt gases to escape from the cylinder bore at proper timing |
13 | Gudgeon Pin (4-Stroke) | · Connects the piston with small end of connecting rod. |
14 | Governor | · Controls the speed of engine at a different load by regulating fuel supply in diesel engine. |
15 | Piston Rings | · Prevents the compressed charge of fuel-air mixture from leaking to the other side of the piston. · Oil rings used for removing lubricating oil from the cylinder after lubrication. · Prevents the excess oil to mix with charge. |
16 | Piston Skirt | · Carries gudgeon pin and rub against liner. |
17 | Push rod & Rocker arm (4-stroke) | · Push rods sit on the cam so when engine is running · Push rods go up and down in a timed sequence and with the rocker arms, open and close the inlet and exhaust valves. |
18 | Piston | · Compresses air in between cylinder head and piston crown. |
19 | Scavenge Ports (2-stroke) | · Pushes exhausted gas-charge out of the cylinder · Draw in a fresh draught of air ready for the next cycle. |
20 | Stuffing Box | · A type of seal that prevents fluids from leaking inside of machine parts. |
21 | Turbocharger | · A device that uses the energy of exhaust gases coming out from an engine to compress the air going into the engine. |
10 comments:
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The only difference between both these engines is the cause of the explosion. A spark from the spark plug causes the ignition in a petrol engine whereas in a diesel engine, the heat generated in the chamber causes the fuel to get ignited. See more here Engine Parts . . .
Very useful blog. Thanks for this.
this site give me a lot of knowledge about my job
I am looking for an marine aftermarket pistons for my engine and good thing that I found a site that sells it.
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Please help me I am 15 years old boy my dream is tobe a seaman in the future but I really don't understand how is it
Pls add some more.. There are still more parts that wasnt included here. Just for everyones' learning including me. Thanks anyway. Great help.
Thank you but add more ??
Good job.It's nice for young trainees to enable them get acquainted with the job of seafaring. Thanks.
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