Patent ID: 7124746

Claim:
A fuel injector, comprising: an injector body defining a fuel supply passage, a tip supply passage, and a fuel reservoir positioned between said fuel supply passage and said tip supply passage, and injector body having a nozzle portion; a check valve positioned in said nozzle portion, said check valve having a head portion and a tip portion, said nozzle portion, said head portion and said tip portion defining a nozzle reservoir, said tip supply passage in fluid communication with said nozzle reservoir; and a control valve positioned in said fuel reservoir, said control valve movable to at least a first position, a third position, and a second position between said first and third positions, said first position is a no injection position substantially inhibiting fluid communication between said fuel supply passage and said tip supply passage, said second position is a reduced injection rate position restricting fluid communication between said fuel supply passage and said tip supply passage, said third position is an increased injection rate position allowing unrestricted fluid communication between said fuel supply passage and said tip supply passage.