JPS59154860U - Seat hole type fuel injection nozzle - Google Patents

Seat hole type fuel injection nozzle

Info

Publication number
JPS59154860U
JPS59154860U JP4857183U JP4857183U JPS59154860U JP S59154860 U JPS59154860 U JP S59154860U JP 4857183 U JP4857183 U JP 4857183U JP 4857183 U JP4857183 U JP 4857183U JP S59154860 U JPS59154860 U JP S59154860U
Authority
JP
Japan
Prior art keywords
fuel injection
type fuel
injection nozzle
nozzle
hole type
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
JP4857183U
Other languages
Japanese (ja)
Inventor
小川　正修
穴沢　唯雄
Original Assignee
株式会社ボッシュオートモーティブ　システム
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 株式会社ボッシュオートモーティブ　システム filed Critical 株式会社ボッシュオートモーティブ　システム
Priority to JP4857183U priority Critical patent/JPS59154860U/en
Publication of JPS59154860U publication Critical patent/JPS59154860U/en
Pending 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図は一般のホール型燃料噴射ノズルの先端部の拡大
断面図、第２図は従来のシートホール型燃料噴射ノズル
の先端部の拡大断面図、第３図は第２図のシートホール
型燃料噴射ノズルを改良した従来のシートホール型燃料
噴射ノズルの先端部の拡大断面図で右半部を閉弁状態、
左半部を開弁状態で示す。第４図及び第６図は本考案の
実施例を示し、夫々右半部を閉弁状態、左半部を開弁状
態で示した先端部の拡大断面図、第５図は従来のシート
ホールノズルと本考案によるシートホールノズルとの噴
孔の流量を噴孔の各噴射角度αについて比較して示した
グラフである。 ２・・・ノズルボデー、２Ｃ・・・弁座面、３・・・噴
孔、５．５′・・・凹部。 「トｊ− とり −１１［第５図 −１，ＩＬFigure 1 is an enlarged sectional view of the tip of a general hole type fuel injection nozzle, Figure 2 is an enlarged sectional view of the tip of a conventional seat hole type fuel injection nozzle, and Figure 3 is the seat hole type of Figure 2. An enlarged cross-sectional view of the tip of the conventional seat hole type fuel injection nozzle, which has an improved fuel injection nozzle, with the right half closed,
The left half is shown with the valve open. Figures 4 and 6 show an embodiment of the present invention, with the right half shown in a closed state and the left half shown in an open state, respectively. 3 is a graph showing a comparison of the flow rate of the nozzle of the nozzle and the sheet hole nozzle according to the present invention for each injection angle α of the nozzle hole. 2... Nozzle body, 2C... Valve seat surface, 3... Nozzle hole, 5.5'... Recess. "Toj- Tori-11 [Figure 5-1, IL

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ノズルボデーの弁座面に噴孔が穿設されたシートホール
型燃料噴射ノズルにおいて、前記噴孔の弁座面間口部の
周囲に所定形状の凹部を形成したことを特徴とするシー
トホール型燃料噴射ノズル。A seat hole type fuel injection nozzle having a nozzle hole formed in a valve seat surface of a nozzle body, characterized in that a recessed part of a predetermined shape is formed around the frontage of the valve seat surface of the nozzle hole. nozzle.
JP4857183U 1983-04-01 1983-04-01 Seat hole type fuel injection nozzle Pending JPS59154860U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4857183U JPS59154860U (en) 1983-04-01 1983-04-01 Seat hole type fuel injection nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4857183U JPS59154860U (en) 1983-04-01 1983-04-01 Seat hole type fuel injection nozzle

Publications (1)

Publication Number Publication Date
JPS59154860U true JPS59154860U (en) 1984-10-17

Family

ID=30179098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4857183U Pending JPS59154860U (en) 1983-04-01 1983-04-01 Seat hole type fuel injection nozzle

Country Status (1)

Country Link
JP (1) JPS59154860U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0192569A (en) * 1987-10-02 1989-04-11 Diesel Kiki Co Ltd Fuel injection nozzle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51101629A (en) * 1975-03-05 1976-09-08 Isuzu Motors Ltd NOZURUFUNKO
JPS53110720A (en) * 1977-03-09 1978-09-27 Bosch Gmbh Robert Fuel injection nozzle for internal combustion engine
JPS55153852A (en) * 1979-05-18 1980-12-01 Bosch Gmbh Robert Internal combustion engine fuel injection nozzle with controllable injecting cross section
JPS5747433U (en) * 1980-08-27 1982-03-16

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51101629A (en) * 1975-03-05 1976-09-08 Isuzu Motors Ltd NOZURUFUNKO
JPS53110720A (en) * 1977-03-09 1978-09-27 Bosch Gmbh Robert Fuel injection nozzle for internal combustion engine
JPS55153852A (en) * 1979-05-18 1980-12-01 Bosch Gmbh Robert Internal combustion engine fuel injection nozzle with controllable injecting cross section
JPS5747433U (en) * 1980-08-27 1982-03-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0192569A (en) * 1987-10-02 1989-04-11 Diesel Kiki Co Ltd Fuel injection nozzle

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