Fuel injector having an expansion tank accumulator

摘要

An electromechanical fuel injector for an internal combustion engine. The fuel injector includes a pump unit and a control valve assembly in communication with the pump unit. The control valve assembly including a body and a stator. The fuel injector also includes a stator nut cooperable with the valve body to secure the stator to the valve body and at least one expansion tank to accumulate pressure created by the pump unit. The fuel injector may also include a spacer.