A variable orifice nozzle assembly (12) of a fuel injector (10) having an upper set of spray holes (18) and a lower set of spray holes (20), and being provided with an outer valve member (36) controlling the upper holes (18) and, an inner valve member (40)...

An injection nozzle for an internal combustion engine has a valve member (10) with a seating line (112) defining a seat diameter, the seating line (112) being engageable with a seating surface (14) to control fuel injection by the nozzle, in use. The seati...

A fuel injection device for a combustion engine, especially a common rail system, comprises a jet needle (2) in a body (1) having a micro blind hole (10) holding the needle point (3) and spray holes (8). The needle point is at the height of the holes and h...