FUEL INJECTOR NOZZLE ASSEMBLY INCLUDING NEEDLE HAVING FLOW GUIDING TIP FOR DIRECTING FUEL FLOW

A fuel injector includes a nozzle needle movable within an injector housing and including a flow guiding tip. The flow guiding tip includes an outer ramp surface, defining, in profile, a concave curve and a fuel trajectory line tangent to the concave curve and extending through a spray orifice inlet to direct fuel into the same. Related methodology is also disclosed.