JPS60188873U - fuel injection nozzle - Google Patents

fuel injection nozzle

Info

Publication number
JPS60188873U
JPS60188873U JP7709784U JP7709784U JPS60188873U JP S60188873 U JPS60188873 U JP S60188873U JP 7709784 U JP7709784 U JP 7709784U JP 7709784 U JP7709784 U JP 7709784U JP S60188873 U JPS60188873 U JP S60188873U
Authority
JP
Japan
Prior art keywords
nozzle
fuel injection
injection nozzle
needle
nozzle body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7709784U
Other languages
Japanese (ja)
Other versions
JPH066227Y2 (en
Inventor
塩崎　忠一
Original Assignee
日野自動車株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日野自動車株式会社 filed Critical 日野自動車株式会社
Priority to JP1984077097U priority Critical patent/JPH066227Y2/en
Publication of JPS60188873U publication Critical patent/JPS60188873U/en
Application granted granted Critical
Publication of JPH066227Y2 publication Critical patent/JPH066227Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Fuel-Injection Apparatus (AREA)

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の燃料噴射ノズルの縦断面図、第２図は本
考案の縦断面図、第３図は噴射率と時間との関係を示す
グラフである。 １０・・・ノズル、１１・・・ノズル本体、１２・・・
ニードル（１３・・・シート部、１４・・・燃料通路、
１５・・・ノズル孔、１６・・・段差部、１７・・・小
径ニードル部、１８・・・絞り部。FIG. 1 is a longitudinal sectional view of a conventional fuel injection nozzle, FIG. 2 is a longitudinal sectional view of the present invention, and FIG. 3 is a graph showing the relationship between injection rate and time. 10... Nozzle, 11... Nozzle body, 12...
Needle (13... seat part, 14... fuel passage,
15... Nozzle hole, 16... Step part, 17... Small diameter needle part, 18... Throttle part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 先端にノズル孔を有する中空のノズル本体と、該ノズル
本体内に間隙を設けて軸方向に移動可能に配置されたニ
ードルを備えた燃料噴射ノズルにおいて、該ノズル本体
の長手中空部に絞り部が形成され、該ニードルの長手中
間部に段差部が形成され、該絞り部と該段差部とは略対
応する位置にあり、該ニードルの移動によりノズル内の
燃料圧力を部分的に変化させて噴射率を制御することを
特徴とする燃料噴射ノズル。A fuel injection nozzle comprising a hollow nozzle body having a nozzle hole at the tip and a needle disposed movably in the axial direction with a gap in the nozzle body, the nozzle body having a constriction part in the longitudinal hollow part. is formed, and a stepped portion is formed in the longitudinal middle portion of the needle, and the constricted portion and the stepped portion are located at approximately corresponding positions, and the movement of the needle partially changes the fuel pressure in the nozzle. A fuel injection nozzle characterized by controlling the injection rate.
JP1984077097U 1984-05-28 1984-05-28 Fuel injection nozzle Expired - Lifetime JPH066227Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984077097U JPH066227Y2 (en) 1984-05-28 1984-05-28 Fuel injection nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984077097U JPH066227Y2 (en) 1984-05-28 1984-05-28 Fuel injection nozzle

Publications (2)

Publication Number Publication Date
JPS60188873U true JPS60188873U (en) 1985-12-14
JPH066227Y2 JPH066227Y2 (en) 1994-02-16

Family

ID=30619847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984077097U Expired - Lifetime JPH066227Y2 (en) 1984-05-28 1984-05-28 Fuel injection nozzle

Country Status (1)

Country Link
JP (1) JPH066227Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01163464A (en) * 1987-12-21 1989-06-27 Isuzu Motors Ltd Fuel injection nozzle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58189366U (en) * 1982-06-09 1983-12-16 日産自動車株式会社 Hole type fuel injection nozzle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58189366U (en) * 1982-06-09 1983-12-16 日産自動車株式会社 Hole type fuel injection nozzle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01163464A (en) * 1987-12-21 1989-06-27 Isuzu Motors Ltd Fuel injection nozzle

Also Published As

Publication number Publication date
JPH066227Y2 (en) 1994-02-16

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