NOZZLE AND METHOD OF MAKING NOZZLE

• Main Authors: JAIME B WILLOUGHBY, JENNIFER J SAHLIN, BARRY S CARPENTER
• Format: Patent
• Language: English; Japanese
• Published: 21.09.2017
• Subjects: BLASTING; BURNERS; COMBUSTION APPARATUS; COMBUSTION ENGINES; COMBUSTION PROCESSES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

PROBLEM TO BE SOLVED: To provide a nozzle for a fuel injector to atomize a fuel, and a method of making the nozzle.SOLUTION: A nozzle and a method of making the nozzle include the steps of: forming a first microstructured pattern in a first material using a multiphoton process; replicating the first microstructured pattern in a second material that is different than the first material to make a first mold that includes a second microstructured pattern; replicating the second microstructured pattern in a third material different than the first and second materials to make a second mold that includes a third microstructured pattern; planarizing the third microstructured pattern of the second mold with a layer of a fourth material different than the third material, where the layer exposes tops of the microstructures of the plurality of microstructures in the third microstructured pattern; and removing the third material resulting in a nozzle that includes a plurality of holes in the fourth material.SELECTED DRAWING: Figure 2 【課題】燃料を噴霧化する燃料噴射器のノズル及びその製造方法を提供する。【解決手段】ノズル及びそのノズルを作製する方法は、多光子過程を用いて第１の材料内に第１の微細構造化パターンを形成する工程と、第１の材料とは異なる第２の材料内に第１の微細構造化パターンを複製して第２の微細構造化パターンを有する第１の型を作製する工程と、第１及び第２の材料とは異なる第３の材料内に第２の微細構造化パターンを複製して第３の微細構造化パターンを有する第２の型を作製する工程と、第３の材料とは異なる第４の材料の層で第２の型の第３の微細構造化パターンを平坦化する工程であって、その層は、第３の微細構造化パターンをなす複数の微細構造の各微細構造の頂部を露出させる工程と、第３の材料を除去する工程であって、第４の材料内の複数の穴を有するノズルを得る、工程とを含む。【選択図】図２