| abstract |
The invention relates to a fuel injector (1) for a direct injection internal combustion engine, comprising a longitudinal channel (5, 7, 8), a needle (15) and a nose (3), through which is injected the fuel in a combustion chamber located in a cylinder of the engine, said nose (3) having two rows of holes (9,10), offset relative to each other along the axis of the injector (1 ).n n n The main characteristic of the injector (1) according to the invention is that the needle (15) is constituted by a hollow body (17), crossed by a channel (19) in which the fuel flows, and having an opening side (18), said needle (15) being displaceable in the channel (5, 7, 8) of the injector (1) to match said opening (18) with one of the two rows of holes (9). , 10). |