Variable Valve Actuation in Marine Leisure Diesel Engines Examensarbete inom högskoleingenjörsprogrammet Maskinteknik JEFFREY DENIAN Institutionen för Tillämpad mekanik…

Slide 1Four Stroke SI Engine Stroke 1: Fuel-air mixture introduced into cylinder through intake valve Stroke 2: Fuel-air mixture compressed Stroke 3: Combustion (~constant…

Slide 1 Camshaft Design and Theory Slide 2 Camshaft The “brain” of the engine Controls valvetrain operation Rotates at ½ crankshaft speed Along with the crankshaft it…

* Supplement 1 Engine Timing and Engine Mapping The next four slides review the 4-stroke SI cycle. Note that Slide 3 provides a PV diagram that shows when valves operate…

1. Camshaft Design and Theory 2. Camshaft • The “brain” of the engine • Controls valvetrain operation • Rotates at ½ crankshaft speed • Along with the crankshaft…

* Internal Combustion Engine The internal combustion (IC) engine is a heat engine that converts chemical energy in a fuel into mechanical energy, usually made available on…