Patent ID: 6561168
Filing Date: 2003-05-13
Classification: F02M,F16K,F23K

Abstract:
A fuel injection device comprising:a valve body including: a fuel passage; a fuel injection hole located at a downstream end of the fuel passage; and a valve seat positioned upstream of the fuel injection hole in the fuel passage; a valve member, which is reciprocably received in the fuel passage and has an engaging portion that is configured to be seated against the valve seat, wherein the engaging portion closes the injection hole when the engaging portion is seated against the valve seat, and the engaging portion opens the injection hole when the engaging portion is disengaged from the valve seat; a heating means for directly heating at least a portion of an outer peripheral wall surface of the valve body located upstream of the valve seat, wherein the heating means is located radially outward of the outer peripheral wall surface of the valve body; and a heat transfer member located between an inner peripheral wall surface of the valve body and the valve member, wherein the heat transfer member is stationary relative to the valve body, and an axial extent of the heat transfer member overlaps at least partially with an axial extent of the heating means.