Patent ID: 6655610
Filing Date: 2003-12-02
Classification: F02M

Abstract:
A method of adjusting a preload on an armature of a fuel injector, the fuel injector having a fuel inlet, a fuel outlet, a fuel passageway extending along an axis between the fuel inlet and the fuel outlet, a body having an inlet portion, an outlet portion, a passage extending between the inlet portion and the outlet portion, a spring having a first spring end engaging the armature and a second spring end disposed in the fuel passageway and a spring stop having a first and second portion, the first portion including at least one projection having a free end, the free end defining a first area, the passage defining a second area at a location where the free end engages the passage, the method comprising:reducing the first area of the free end of the spring stop to an area at least equal to the second area; and positioning the free end of the spring stop along the axis within the passage.