JPS5939773U - fuel injection nozzle - Google Patents

fuel injection nozzle

Info

Publication number
JPS5939773U
JPS5939773U JP13697382U JP13697382U JPS5939773U JP S5939773 U JPS5939773 U JP S5939773U JP 13697382 U JP13697382 U JP 13697382U JP 13697382 U JP13697382 U JP 13697382U JP S5939773 U JPS5939773 U JP S5939773U
Authority
JP
Japan
Prior art keywords
fuel injection
injection nozzle
annular gap
nozzle
fuel
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
JP13697382U
Other languages
Japanese (ja)
Inventor
博 三宅
Original Assignee
ダイハツ工業株式会社
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 ダイハツ工業株式会社 filed Critical ダイハツ工業株式会社
Priority to JP13697382U priority Critical patent/JPS5939773U/en
Publication of JPS5939773U publication Critical patent/JPS5939773U/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図は噴射特性を説明するための図、第２図　゛は本
考案の一実施例を示す断面図、第３図は同実施例の要部
を示す拡大断面図、第４図は第３図におけるＩＶ−ＩＶ
線断面図である。 ２・・・ノズル本体、４・・・弁座部、５・・・噴口、
６・・・針弁、７・・・小径円柱部、７ａ・・・外周面
、８・・・環状隙間、８ａ・・・幅広部、８ｂ・・・幅
狭部。Fig. 1 is a diagram for explaining the injection characteristics, Fig. 2 is a sectional view showing an embodiment of the present invention, Fig. 3 is an enlarged sectional view showing the main part of the embodiment, and Fig. 4 is a sectional view showing an embodiment of the present invention. IV-IV in Figure 3
FIG. 2... Nozzle body, 4... Valve seat part, 5... Spout,
6... Needle valve, 7... Small diameter cylindrical part, 7a... Outer peripheral surface, 8... Annular gap, 8a... Wide part, 8b... Narrow width part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 弁座部に形成した噴口に針弁の先端に形成した小径円柱
部を微小な環状隙間を介して遊嵌させておき、初期段階
で微少な燃料を前記環状隙間を通して予備的に噴射し得
るように構成した燃料噴射弁において、前記小径円柱部
の外周面に、該外周面の円弧状の膨みを部分的に切除し
てなる表面加工部を設けて、前記環状隙間を幅広部と幅
狭部とからなるものにしたことを特徴とする燃料噴射ノ
ズル。A small diameter cylindrical part formed at the tip of the needle valve is loosely fitted into the nozzle formed in the valve seat part through a minute annular gap, so that a minute amount of fuel can be preliminarily injected through the annular gap at an initial stage. In the fuel injection valve configured as shown in FIG. A fuel injection nozzle comprising:
JP13697382U 1982-09-08 1982-09-08 fuel injection nozzle Pending JPS5939773U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13697382U JPS5939773U (en) 1982-09-08 1982-09-08 fuel injection nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13697382U JPS5939773U (en) 1982-09-08 1982-09-08 fuel injection nozzle

Publications (1)

Publication Number Publication Date
JPS5939773U true JPS5939773U (en) 1984-03-14

Family

ID=30307801

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13697382U Pending JPS5939773U (en) 1982-09-08 1982-09-08 fuel injection nozzle

Country Status (1)

Country Link
JP (1) JPS5939773U (en)

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