ENGINE TYPES Piston Engines Types Different layouts of

ENGINE TYPES Piston Engines Types Different layouts of various piston engine

Single Inline 3 Vee Twin Inline 5 Inline 4 Piston Engine Types - Layouts

Vee 5 Vee 6 Vee 8 Piston Engine Types - Layouts

Horizontally Opposed (Or flat) 4 Vee 8 Firing Order: - 1– 4– 3– 2 1– 8– 4– 3– 6– 5– 7– 2 Piston Engine Types - Layouts

Port B – Cylinder Inlet Piston at TDC Port C Exhaust Port A – Crankcase Inlet Stroke 1 Piston rising pulls fuel/air mixture into crankcase; compression causes combustion Stroke 2 Piston at BDC Piston pushed down forces fuel/air mixture into cylinder Piston Engine Types – 2 Stroke Cycle

Direct Injection Indirect Injection Engine Cross Section Inlet Exhaust Same mechanical set-up as petrol engine Combustion initiated by hot compressed air But no spark plugs! Diesel Mechanical Arrangement – Petrol

Engine Cross Section Casing The piston rotates around the fixed pinion Rotating Triangular ‘Piston’ But the shape of the piston and the casing also make the piston move up and down by a small amount as well Fixed (nonrotating) Pinion Inlet Port Rotating ‘Crankshaft’ Exhaust Port Spark Plug This motion drives the rotating crankshaft Which in turn drives the output shaft Output Shaft Points of contact marked in yellow Mechanical Arrangement – Wankel Engine

Engine Cycle Chamber A Chamber B Inlet Port Exhaust Port Chamber C Mechanical Arrangement – Wankel Engine

Cylinders Crankcase Le Rhone Valve Gear Propeller Mount Bolts Valve Pushrod Spark Plug Mechanical Arrangement – Radial/Rotary Engines

Radial/Rotary Radial Aircraft Nose (viewed from the front) Model aero engine (viewed from the side) Radial powered motorbike Rotary Aircraft Nose (viewed from the side) 28 Cylinder Radial Mechanical Arrangement – Radial/Rotary Engines

To fairly big! Cylinder Is there any limits to size? Head Bolts Crankshaft They go from tiny: - Flat Twin Hand Held Flywheel Cylinder Liners Cylinder Block Mechanical Arrangement – Engine Size

That was a brief explanation of various internal combustion engine variants There are more variations to be found on the internet Mechanical Arrangement