Injector head for fuel injector

A method of manufacturing an injector head for a fuel injector of an engine by additive layer manufacturing, the method comprising:

• forming an injector body of the injector head, wherein the injector body extends axially along a central axis and circumferentially about the central axis, and wherein the injector body defines an upstream end and a downstream end;
• forming a central fuel assembly of the injector head, the central fuel assembly extending circumferentially about the central axis and concentrically disposed within the injector body;
• forming a plurality of fins of a tip portion of the central fuel assembly, wherein the tip portion is disposed proximal to the downstream end of the injector body;
• forming an intermediate portion of the tip portion, such that the plurality of fins are integral with the intermediate portion and disposed at a first side of the intermediate portion;
• forming a plurality of support pins of the tip portion, such that the plurality of support pins are integral with the intermediate portion and disposed at a second side of the intermediate portion, the second side of the intermediate portion being opposite the first side of the intermediate portion;
• and
• forming an end portion of the tip portion, the end portion defining a fuel opening, wherein the end portion is axially spaced apart from the intermediate portion along the central axis, and wherein the plurality of support pins extend between the end portion and the intermediate portion.