JPS58102771U

JPS58102771U - Internal combustion engine hole nozzle

Info

Publication number: JPS58102771U
Application number: JP11282U
Authority: JP
Inventors: 幸雄松井
Original assignee: 日産自動車株式会社
Priority date: 1982-01-04
Filing date: 1982-01-04
Publication date: 1983-07-13

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来のホールノズルを直接噴射式ディーゼル機
関に装着した場合を示すその概略断面図、第２図は従来
のホールノズルの要部断面図、第３゛図はこの考案に係
る内燃機関のホールノズルの第１実施例を示す第１図と
同様の概略断面図、第４図は第３図に示すホールノズル
の要部断面図、第５図は第４図のＶ矢視図、第６図はこ
の考案の第２実施例を示す第４図と同様の要部断面図、
第７図は第６図の■矢視図、第８図はこの考案の第３実
施例を示す第６図と同様の要部断面図、第９図は第８図
の■矢視図、第１０図はこの考案の第４実施例を示す第
８図と同様の要部断面図、第１１図は第１０図のＭ矢視
図である。１・・・ホールノズル、８・・・ノズルボディ、９・・
・ニードル弁、１０・・・本体、１１・・・噴孔部、１
４・・・噴孔、６・・・切欠部。Figure 1 is a schematic sectional view of a conventional Hall nozzle installed in a direct injection diesel engine, Figure 2 is a sectional view of the main part of a conventional Hall nozzle, and Figure 3 is an internal combustion engine according to this invention. 4 is a sectional view of the main part of the hole nozzle shown in FIG. 3, and FIG. 5 is a view taken in the direction of the V arrow in FIG. 4. FIG. 6 is a sectional view of the main parts similar to FIG. 4 showing a second embodiment of this invention;
Fig. 7 is a view in the direction of the ■ arrow in Fig. 6, Fig. 8 is a sectional view of the main part similar to Fig. 6 showing the third embodiment of this invention, Fig. 9 is a view in the direction of the - arrow in Fig. 8, FIG. 10 is a sectional view of a main part similar to FIG. 8 showing a fourth embodiment of this invention, and FIG. 11 is a view taken along arrow M in FIG. 10. 1...Hole nozzle, 8...Nozzle body, 9...
・Needle valve, 10...Main body, 11...Nozzle hole part, 1
4... Nozzle hole, 6... Notch.

Claims

[Scope of utility model registration request]

゛ A main body in which a needle valve is housed, and a nozzle hole portion in which a plurality of nozzle holes are formed that protrude from the main body in the axial direction of the needle valve and whose axes intersect at a predetermined angle with respect to the axis. A hole nozzle for an internal combustion engine equipped with a nozzle body having a hole nozzle for an internal combustion engine, characterized in that a notch is formed in the nozzle hole portion near the opening end of the nozzle hole where the intersection angle from the nozzle body tip side is large. nozzle.