Automobile technology

1. ENGINE
7/11/2019 created by H.M.M.L.Herath (CGTTI)

2. INTERNAL COMBUSTION ENGINE
• Nikolaus August Otto was a German engineer who successfully
developed the compressed charge internal combustion engine which
ran on petroleum gas
7/11/2019 created by H.M.M.L.Herath (CGTTI)

3. Engine Stroke / Piston Stroke
7/11/2019 created by H.M.M.L.Herath (CGTTI)
TDC
BDC

4. SUCTION STROKE
 PISTON
 INLET VALVE
 EXHAUST VALVE
 CRANKSHAFT
TDC BDC
OPEN
CLOSE
180˙ rotate
VOLUME PRESSURE
7/11/2019 created by H.M.M.L.Herath (CGTTI)

5. COMPRESSION STROKE
 PISTON BDC TDC
 INLET VALVE
CLOSE EXHAUST VALVE
CLOSE
VOLUME PRESSURE
 CRANKSHAFT 360˙ rotate
7/11/2019 created by H.M.M.L.Herath (CGTTI)

6. POWER STROKE
 PISTON
7/11/2019 created by H.M.M.L.Herath (CGTTI)
BDCTDC
 INLET VALVE
 EXHAUST VALVE CLOSE
CLOSE
 CRANKSHAFT 540˙ rotate

7. EXHAUST STROKE
 PISTON
7/11/2019 created by H.M.M.L.Herath (CGTTI)
BDC TDC
 INLET VALVE
 EXHAUST VALVE
CLOSE
OPEN
 CRANKSHAFT 720˙ rotate

8. FOUR-STROKE ENGINE
7/11/2019 created by H.M.M.L.Herath (CGTTI)

9. FOUR-STROKE ENGINE
7/11/2019 created by H.M.M.L.Herath (CGTTI)

10. TWO-STROKE
7/11/2019 created by H.M.M.L.Herath (CGTTI)

11. Two-stroke Engine
7/11/2019 created by H.M.M.L.Herath (CGTTI)

12. Two-stroke Engine
7/11/2019 created by H.M.M.L.Herath (CGTTI)
 PISTON BDC TDC

13. Two-stroke Engine
7/11/2019 created by H.M.M.L.Herath (CGTTI)

14. Two-stroke Engine
7/11/2019 created by H.M.M.L.Herath (CGTTI)