4 Stroke Engine
description
Transcript of 4 Stroke Engine
![Page 1: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/1.jpg)
ByAjoy Infant Raj. A32810114002
![Page 2: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/2.jpg)
Engine
An engine is motor which converts chemical energy into mechanical energy
![Page 3: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/3.jpg)
History
• Otto Cycle: Dr. Nicolaus Otto -1876
![Page 4: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/4.jpg)
History
Nicolaus August Otto in 1876 developed the “Otto cycle engine”.German mechanical engineer Karl Benz in 1885, designed and built the world's first practical automobile to be powered by an internal-combustion engine.
![Page 5: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/5.jpg)
• Diesel Engine; Dr. Rudolph Diesel -1895
History
![Page 6: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/6.jpg)
What is a Four Stroke Engine????
![Page 7: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/7.jpg)
Working principle of four Stroke Engine
Following are the four strokes
1 – Intake/Suction stroke
2 – Compression stroke
3 – Expansion stroke
4 – Exhaust stroke
![Page 8: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/8.jpg)
1 – Intake stroke
![Page 9: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/9.jpg)
2 – Compression stroke
![Page 10: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/10.jpg)
3 – Expansion stroke
![Page 11: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/11.jpg)
4 – Exhaust stroke
![Page 12: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/12.jpg)
Parts of an engine
![Page 13: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/13.jpg)
Various Parts of Engine
• Crankshaft• Crankcase• Crank Pin• Camshaft• Spark plug• Fuel pump
• Cylinder Block• Cylinder Head• Inlet valve & Exhaust valve• Piston• Piston Rings• Connecting Rod• Gudgeon Pin
![Page 14: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/14.jpg)
Cylinder Block
![Page 15: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/15.jpg)
Cylinder Head
![Page 16: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/16.jpg)
Inlet valve & Exhaust valve
![Page 17: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/17.jpg)
Piston
![Page 18: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/18.jpg)
Piston Rings
![Page 19: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/19.jpg)
Connecting Rod & Gudgeon Pin
![Page 20: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/20.jpg)
Crankshaft
![Page 21: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/21.jpg)
Camshaft
![Page 22: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/22.jpg)
Spark Plug
![Page 23: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/23.jpg)
Fuel Injector
![Page 24: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/24.jpg)
Difference between4-Stroke Engine & 2-Stroke Engine
• One cycle completed in every 2 revolution of crankshaft
• More moving parts• More maintenance• Heavy in weight• More expensive
• One cycle completed in every revolution of crankshaft
• Less moving parts• Less maintenance• Light in weight• Less expensive
4-Stroke Engine 2-Stroke Engine
![Page 25: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/25.jpg)
Difference between4-Stroke Engine & 2-Stroke Engine
• Produce more pollution
• Long engine life• Not required
• Complex design
• Less pollution
• Short engine life• Required a mix of oil
to lubricate the crankshaft
• Simpler design
4-Stroke Engine 2-Stroke Engine
![Page 26: 4 Stroke Engine](https://reader033.fdocuments.us/reader033/viewer/2022061113/545ccb81b1af9f9f728b45f5/html5/thumbnails/26.jpg)