Patent ID: 9506435
Filing Date: 2016-11-29
CPC Classification: F02M,H01F

Claim Text:
1. A fuel injector comprising: an injector body defining a fuel inlet, a drain outlet and a nozzle outlet; a direct operated check valve positioned in the injector body and including a needle valve member with an opening hydraulic surface exposed to fluid pressure in a nozzle supply passage, and a closing hydraulic surface exposed to fluid pressure in a needle control chamber, and the needle valve member being movable between a first position at which the nozzle supply passage is blocked to the nozzle outlet, and a second position at which the nozzle supply passage is open to the nozzle outlet; a needle control valve positioned in the injector body and including a control valve member movable between a first position at which the needle control chamber is fluidly connected to the drain outlet, and a second position at which the needle control chamber is fluidly blocked to the drain outlet; and a solenoid actuator positioned in the injector body and including a stator assembly and an armature assembly coupled to the control valve member,