A fuel injection control apparatus of a four cycle engine having six cylinders comprises: a crank angle detection device for detecting the crank angle of the four cycle engine; a first computation device for computing the quantity of fuel, which is injecte...

A four-stroke internal combustion engine (1) with variable compression ratio, comprises a crankcase, a crankshaft (2) being rotatable with respect to the crankcase about a crankshaft axis (5), a connecting rod (9) including a big end (8) and a small end (1...

The engine has two cylinders, each with an inlet valve, an outlet valve, piston and piston rods, where one of the cylinders has an ignition plug. An air-gasoline mixture is provided in the cylinder whose piston moves in the direction of a crank shaft durin...

A system for operating an internal combustion engine (20) includes an intake valve (32) moveable between a first position at which fluid is blocked from flowing to or from the cylinder and a second position at which fluid is allowed to pass to or from the ...