JPS6123462U - fuel injection valve - Google Patents

fuel injection valve

Info

Publication number
JPS6123462U
JPS6123462U JP10718084U JP10718084U JPS6123462U JP S6123462 U JPS6123462 U JP S6123462U JP 10718084 U JP10718084 U JP 10718084U JP 10718084 U JP10718084 U JP 10718084U JP S6123462 U JPS6123462 U JP S6123462U
Authority
JP
Japan
Prior art keywords
needle valve
valve
fuel injection
fuel
injection valve
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
JP10718084U
Other languages
Japanese (ja)
Inventor
英雄 大谷部
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 JP10718084U priority Critical patent/JPS6123462U/en
Publication of JPS6123462U publication Critical patent/JPS6123462U/en
Pending legal-status Critical Current

Links

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]

第１図は本考案の一実施例にかかる燃料噴射弁の主要部
の断面図。 第２図は本考案の一実施例における燃料流路の断面積を
示す特性図。 第３図は本考案の一実施例の作用の説明に供する噴射率
特性図。 １・・・ノズル本体、１ａ・・・針弁着座部、３・・・
針弁、３ａ・・・ガイド部、３ｂ・・・ステム部、３ｃ
および３ｅ・・・受圧部、３ｄ・・・中間段部、、４・
・・燃料溜り、５・・・通油路。FIG. 1 is a sectional view of the main parts of a fuel injection valve according to an embodiment of the present invention. FIG. 2 is a characteristic diagram showing the cross-sectional area of the fuel flow path in one embodiment of the present invention. FIG. 3 is an injection rate characteristic diagram for explaining the operation of an embodiment of the present invention. 1... Nozzle body, 1a... Needle valve seating part, 3...
Needle valve, 3a...Guide part, 3b...Stem part, 3c
and 3e...pressure receiving part, 3d...middle stage part, 4.
...Fuel reservoir, 5...Oil passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ノズル本体に設けられた環状溝と針弁とにより形成され
た燃料溜り内の燃料油圧を受けて針弁が上昇し開弁ずる
燃料噴射弁において、針弁リフトが閉弁から所定値に達
するまでの間、ノズル本体と針弁との間の燃料流通路面
積を絞るための中間段部を針弁の第１の受圧部の下流側
であってかつ針弁のガイド部と針弁のステム部との間に
設けてなることを特徴とする燃料噴射弁。In a fuel injection valve where the needle valve rises and opens in response to the fuel oil pressure in the fuel reservoir formed by the annular groove provided in the nozzle body and the needle valve, the needle valve lift from the valve close until it reaches a predetermined value. During this time, the intermediate stage part for narrowing the area of the fuel flow passage between the nozzle body and the needle valve is located downstream of the first pressure receiving part of the needle valve, and is connected to the guide part of the needle valve and the stem part of the needle valve. A fuel injection valve characterized by being provided between.
JP10718084U 1984-07-17 1984-07-17 fuel injection valve Pending JPS6123462U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10718084U JPS6123462U (en) 1984-07-17 1984-07-17 fuel injection valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10718084U JPS6123462U (en) 1984-07-17 1984-07-17 fuel injection valve

Publications (1)

Publication Number Publication Date
JPS6123462U true JPS6123462U (en) 1986-02-12

Family

ID=30666439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10718084U Pending JPS6123462U (en) 1984-07-17 1984-07-17 fuel injection valve

Country Status (1)

Country Link
JP (1) JPS6123462U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009138614A (en) * 2007-12-05 2009-06-25 Mitsubishi Heavy Ind Ltd Fuel injection valve of pressure accumulation-type fuel injection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009138614A (en) * 2007-12-05 2009-06-25 Mitsubishi Heavy Ind Ltd Fuel injection valve of pressure accumulation-type fuel injection device

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