JPS58130077U - Ceramic fuel injection nozzle - Google Patents

Ceramic fuel injection nozzle

Info

Publication number
JPS58130077U
JPS58130077U JP2732182U JP2732182U JPS58130077U JP S58130077 U JPS58130077 U JP S58130077U JP 2732182 U JP2732182 U JP 2732182U JP 2732182 U JP2732182 U JP 2732182U JP S58130077 U JPS58130077 U JP S58130077U
Authority
JP
Japan
Prior art keywords
nozzle
nozzle hole
fuel injection
valve body
injection nozzle
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
JP2732182U
Other languages
Japanese (ja)
Other versions
JPH0122942Y2 (en
Inventor
英男 河村
寛 松岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Isuzu Motors Ltd
Original Assignee
Isuzu Motors Ltd
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 Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Priority to JP2732182U priority Critical patent/JPS58130077U/en
Publication of JPS58130077U publication Critical patent/JPS58130077U/en
Application granted granted Critical
Publication of JPH0122942Y2 publication Critical patent/JPH0122942Y2/ja
Granted 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 drawings]

図は本考案に係る燃料噴射ノズルの要部の断面図である
。 １・・・・・・弁本体、２・・・・・・噴孔部、３・・
・・・・ノズルナツト、５・・・・・・針弁、６・・・
・・・弁座部、７・・・・・・弁部、８・・・・・・メ
タライズ層、１０・・・・・・断熱シート。The figure is a sectional view of the main parts of the fuel injection nozzle according to the present invention. 1...Valve body, 2...Nozzle hole part, 3...
... Nozzle nut, 5 ... Needle valve, 6 ...
... Valve seat part, 7 ... Valve part, 8 ... Metallized layer, 10 ... Heat insulation sheet.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 高圧の燃料をエンジンの燃焼室内に噴射する燃料噴射ノ
ズルにおいて、弁本体を耐熱鋼で構成し、この弁本体の
先端部に噴孔部を設け、この噴孔部をセラミック材によ
り構成し、この噴孔部と前記弁本体との間にメタライズ
層を介在させて両者の間を機械的に結合し、更に−この
噴孔部と前記弁本体との周囲を噴孔部の先端が覗く状態
でノズルナツトで囲み、このノズルナツトと前記噴孔部
との間には断熱シートを介在させてシリンダヘッドに固
定下ことを特徴とするセラミック製燃料噴射ノズル。In a fuel injection nozzle that injects high-pressure fuel into the combustion chamber of an engine, the valve body is made of heat-resistant steel, a nozzle hole is provided at the tip of the valve body, and this nozzle hole is made of a ceramic material. A metallized layer is interposed between the nozzle hole portion and the valve body to mechanically connect the two, and the tip of the nozzle hole portion looks into the surroundings of the nozzle hole portion and the valve body. 1. A ceramic fuel injection nozzle, which is surrounded by a nozzle nut, and is fixed to a cylinder head with a heat insulating sheet interposed between the nozzle nut and the nozzle hole.
JP2732182U 1982-02-27 1982-02-27 Ceramic fuel injection nozzle Granted JPS58130077U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2732182U JPS58130077U (en) 1982-02-27 1982-02-27 Ceramic fuel injection nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2732182U JPS58130077U (en) 1982-02-27 1982-02-27 Ceramic fuel injection nozzle

Publications (2)

Publication Number Publication Date
JPS58130077U true JPS58130077U (en) 1983-09-02
JPH0122942Y2 JPH0122942Y2 (en) 1989-07-12

Family

ID=30039233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2732182U Granted JPS58130077U (en) 1982-02-27 1982-02-27 Ceramic fuel injection nozzle

Country Status (1)

Country Link
JP (1) JPS58130077U (en)

Also Published As

Publication number Publication date
JPH0122942Y2 (en) 1989-07-12

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