JPS63118376U - - Google Patents

Info

Publication number
JPS63118376U
JPS63118376U JP1046787U JP1046787U JPS63118376U JP S63118376 U JPS63118376 U JP S63118376U JP 1046787 U JP1046787 U JP 1046787U JP 1046787 U JP1046787 U JP 1046787U JP S63118376 U JPS63118376 U JP S63118376U
Authority
JP
Japan
Prior art keywords
nozzle
needle valve
fuel injection
lift amount
maximum lift
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.)
Pending
Application number
JP1046787U
Other languages
English (en)
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 filed Critical
Priority to JP1046787U priority Critical patent/JPS63118376U/ja
Publication of JPS63118376U publication Critical patent/JPS63118376U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fuel-Injection Apparatus (AREA)

Description

【図面の簡単な説明】
第1図ないし第4図は本考案の一実施例を示し
、第1図は燃料噴射弁の縦断面図、第2図a,b
はノズルスプリングの正面図および平面図、第3
図は針弁のリフト特性図、第4図はプツシユロツ
ドの動作特性図、第5図および第6図は従来例を
示し、第5図は針弁のリフト特性図、第6図はプ
ツシユロツドの動作特性図。 1……燃料噴射弁、2……ノズルボデイ、4…
…ノズルホルダ、6……針弁、8……プツシユロ
ツド、9a……小ピツチ部、9b……大ピツチ部
、tmax……針弁の最大リフト量。

Claims (1)

    【実用新案登録請求の範囲】
  1. 先端部に噴口を有するノズルボデイと、このノ
    ズルボデイの基端部に固着されノズルホルダ内に
    軸方向に移動可能に収納された針弁と、この針弁
    の基端部に当接し針弁とともに軸方向に移動する
    プツシユロツドと、このプツシユロツドと前記ノ
    ズルホルダ間に縮設されたノズルスプリングとを
    有する燃料噴射弁において、前記ノズルスプリン
    グを、前記針弁の最大リフト量以下で作用する小
    ピツチ部と、前記針弁の最大リフト量以上で作用
    する大ピツチ部とからなる二段の不等ピツチに形
    成したことを特徴とする燃料噴射弁。
JP1046787U 1987-01-27 1987-01-27 Pending JPS63118376U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1046787U JPS63118376U (ja) 1987-01-27 1987-01-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1046787U JPS63118376U (ja) 1987-01-27 1987-01-27

Publications (1)

Publication Number Publication Date
JPS63118376U true JPS63118376U (ja) 1988-07-30

Family

ID=30796787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1046787U Pending JPS63118376U (ja) 1987-01-27 1987-01-27

Country Status (1)

Country Link
JP (1) JPS63118376U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024127558A1 (ja) * 2022-12-14 2024-06-20 日立Astemo株式会社 電磁式燃料噴射弁

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741463A (en) * 1980-08-23 1982-03-08 Diesel Kiki Co Ltd Fuel injection valve
JPS6114772B2 (ja) * 1980-12-29 1986-04-21 Procter & Gamble

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741463A (en) * 1980-08-23 1982-03-08 Diesel Kiki Co Ltd Fuel injection valve
JPS6114772B2 (ja) * 1980-12-29 1986-04-21 Procter & Gamble

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024127558A1 (ja) * 2022-12-14 2024-06-20 日立Astemo株式会社 電磁式燃料噴射弁

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