FUEL INJECTOR

摘要

An amplified needle control to provide faster response times when an injection event is to be terminated, such as faster response times when stopping the injection of fuel by a fuel injector into a combustion chamber of an internal combustion engine. The system includes a primary control chamber and a secondary control chamber. Pressure differentials between the primary control chamber and a secondary control chamber may be used to control the displacement of a piston and associated displacement of a needle of a nozzle assembly.