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2. Four-stroke engine - Wikipedia

   en.wikipedia.org/wiki/Four-stroke_engine

   Four-stroke cycle used in gasoline/petrol engines: intake (1), compression (2), power (3), and exhaust (4). The right blue side is the intake port and the left brown side is the exhaust port. The cylinder wall is a thin sleeve surrounding the piston head which creates a space for the combustion of fuel and the genesis of mechanical energy.

3. Mean piston speed - Wikipedia

   en.wikipedia.org/wiki/Mean_piston_speed

   The connecting rod ratio l/r varies: 3 - red, 4 - green, 5,5 - blue. The mean piston speed is the average speed of the piston in a reciprocating engine. It is a function of stroke and RPM. There is a factor of 2 in the equation to account for one stroke to occur in 1/2 of a crank revolution (or alternatively: two strokes per one crank ...

4. Otto cycle - Wikipedia

   en.wikipedia.org/wiki/Otto_cycle

   Process 3–4 is an adiabatic (isentropic) expansion (power stroke). Process 4–1 completes the cycle by a constant-volume process in which heat is rejected from the air while the piston is at bottom dead center. Process 1–0 the mass of air is released to the atmosphere in a constant pressure process.

5. Two- and four-stroke engines - Wikipedia

   en.wikipedia.org/wiki/Two-_and_four-stroke_engines

   The M4+2 engine has a four-stroke piston and a two-stroke piston. The shaft of the four-stroke piston rotates twice as fast as the shaft of the two-stroke piston, and the two-stroke part always runs at half speed. This ensures that both parts work optimally regarding fuel consumption at all times.

6. Piston motion equations - Wikipedia

   en.wikipedia.org/wiki/Piston_motion_equations

   Below is an animation of the piston motion equations with the same values of rod length and crank radius as in the graphs above. Piston motion animation with the various half strokes from the graph above (using the same color code)

7. Reciprocating engine - Wikipedia

   en.wikipedia.org/wiki/Reciprocating_engine

   Internal combustion engines operate through a sequence of strokes that admit and remove gases to and from the cylinder. These operations are repeated cyclically and an engine is said to be 2-stroke, 4-stroke or 6-stroke depending on the number of strokes it takes to complete a cycle. The most common type is 4-stroke, which has following cycles.

8. Indicator diagram - Wikipedia

   en.wikipedia.org/wiki/Indicator_diagram

   An indicator diagram is a chart used to measure the thermal, or cylinder, performance of reciprocating steam and internal combustion engines and compressors. [1] An indicator chart records the pressure in the cylinder versus the volume swept by the piston, throughout the two or four strokes of the piston which constitute the engine, or ...

9. Mitsubishi 4B1 engine - Wikipedia

   en.wikipedia.org/wiki/Mitsubishi_4B1_engine

   Piston stroke: 77.4 mm (3.05 in) 86 mm (3.39 in) 97 mm (3.82 in) Cylinder block material: Aluminium die cast: Cylinder head material: Aluminium die cast: Valvetrain: Direct acting DOHC, 16 valves, continuously variable MIVEC intake and exhaust valve timing: Compression ratio: 9.0:1, 10.0:1, 10.5:1, Combustion; Turbocharger: On some versions ...