An EGR valve for a turbocharged diesel engine has valve having a valve closure member (12) movable relative to a mating surface (14) for regulating the flow of EGR gases and a first actuator (16) for enabling the position of the valve closure member (12) t...

A mechanism for enabling the duration of a valve event in an internal combustion engine to be varied, comprising a drive shaft (10) rotatable in synchronism with the engine crankshaft, a cam sleeve (12) rotatably mounted on the drive shaft for opening and ...

A mechanism is disclosed for enabling the duration of a valve event in an internal combustion engine to be varied. The mechanism comprises a drive shaft 10 rotatable in synchronism with the engine crankshaft, a cam sleeve 12 rotatably mounted on the drive ...