Fuel injector for internal combustion engine with choke integrated into control valve has second outlet choke integrated into valve body and connected in series with first outlet choke

摘要

The device has a valve body (7) with feed sections enclosed by an injector body and a control chamber (19) that controls nozzle needle (20) movement in the injector body (2). The control chamber has an outlet (16) exposed or closed by the valve body and into which a first outlet choke (13) is let. A further outlet choke (17) is integrated into the valve body and is connected in series with the first outlet choke in the control chamber outlet.