Patent ID: 8074625

Claim:
A fuel injector configured to inject fuel into a combustion chamber, the fuel injector comprising: a body having a base portion opposite a nozzle portion, wherein the base portion is configured to receive the fuel into the body and the nozzle portion is configured to be positioned adjacent to the combustion chamber; a valve carried by the nozzle portion, wherein the valve is movable between a closed position and an open position to inject the fuel into the combustion chamber; an actuator coupled to the valve and extending longitudinally through the body towards the base portion; and a driver carried by the body and movable between a first position and a second position, the driver including one or more non-centrally positioned longitudinally extending fuel cavities and a plurality of ridges on an exterior surface to allow fuel to flow through and around the driver, wherein in the first position the driver is spaced apart from the actuator and in the second position the driver moves the actuator to move the valve to the open position.