JPS6220165U - - Google Patents

Info

Publication number
JPS6220165U
JPS6220165U JP11043985U JP11043985U JPS6220165U JP S6220165 U JPS6220165 U JP S6220165U JP 11043985 U JP11043985 U JP 11043985U JP 11043985 U JP11043985 U JP 11043985U JP S6220165 U JPS6220165 U JP S6220165U
Authority
JP
Japan
Prior art keywords
fuel injection
injection valve
electrostrictive actuator
stacked
electrostrictive
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
JP11043985U
Other languages
Japanese (ja)
Other versions
JPH0415980Y2 (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 JP1985110439U priority Critical patent/JPH0415980Y2/ja
Publication of JPS6220165U publication Critical patent/JPS6220165U/ja
Application granted granted Critical
Publication of JPH0415980Y2 publication Critical patent/JPH0415980Y2/ja
Expired legal-status Critical Current

Links

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  • Fuel-Injection Apparatus (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案に係る燃料噴射弁の基本構造
を示す軸方向断面図、第２図は、第１図に示す電
歪式アクチユエータの駆動回路図、第３図ａ〜ｅ
は印加電圧、リフト量および噴射率を示すタイミ
ングチヤート、および第４図は第１図に示す電歪
式アクチユエータの制御ブロツク図である。 符号の説明、１……電歪式アクチユエータ、１
ａ〜１ｃ……電歪式アクチユエータユニツト、２
ａ〜２ｄ……端子、３……シール材、４……ガイ
ド、５……ピストン、６……バー、７……デイス
タンスピース、８……リテイニングナツト、９…
…ノズルニードル、１０……ノズルボデイ、１１
……燃料入口、１２……ボデイ、１３……油圧室
、１４……ケース、１５……アキユムレータ、４
０……駆動回路、４１，Ｖｓ……高圧直流電源、
４２……コントローラ、Ｌ０〜Ｌ３……コイル、
Ｓ１〜Ｓ６……サイリスタ、Ｃ０……コンデンサ
。 Fig. 1 is an axial sectional view showing the basic structure of the fuel injection valve according to the present invention, Fig. 2 is a drive circuit diagram of the electrostrictive actuator shown in Fig. 1, and Figs. 3 a to e.
4 is a timing chart showing applied voltage, lift amount and injection rate, and FIG. 4 is a control block diagram of the electrostrictive actuator shown in FIG. 1. Explanation of symbols, 1... Electrostrictive actuator, 1
a to 1c...electrostrictive actuator unit, 2
a-2d... terminal, 3... sealing material, 4... guide, 5... piston, 6... bar, 7... distance piece, 8... retaining nut, 9...
... Nozzle needle, 10 ... Nozzle body, 11
... Fuel inlet, 12 ... Body, 13 ... Hydraulic chamber, 14 ... Case, 15 ... Accumulator, 4
0...Drive circuit, 41, Vs...High voltage DC power supply,
42...controller, L0 to L3 ...coil,
S1 to S6 ...Thyristor, C0 ...Capacitor.

Claims (1)

【実用新案登録請求の範囲】 １ 電歪式アクチユエータを伸縮させることによ
り燃料噴射を制御する燃料噴射弁において、該電
歪式アクチユエータを複数個の電歪式アクチユエ
ータユニツトにより構成し、該電歪式アクチユエ
ータの各々に別個に電圧印加することにより該燃
料噴射を段階的に制御するようにしたことを特徴
とする燃料噴射弁。 ２ 該電歪式アクチユエータユニツトが該燃料噴
射弁の縦軸上に積層してなる実用新案登録請求の
範囲第１項記載の燃料噴射弁。 ３ 該電歪式アクチユエータユニツトが該燃料噴
射弁の横軸上に積層してなる実用新案登録請求の
範囲第１項記載の燃料噴射弁。[Claims for Utility Model Registration] 1. A fuel injection valve that controls fuel injection by expanding and contracting an electrostrictive actuator, in which the electrostrictive actuator is constituted by a plurality of electrostrictive actuator units; A fuel injection valve characterized in that the fuel injection is controlled in stages by applying a voltage to each distortion actuator separately. 2. The fuel injection valve according to claim 1, wherein the electrostrictive actuator unit is stacked on the vertical axis of the fuel injection valve. 3. The fuel injection valve according to claim 1, wherein the electrostrictive actuator unit is stacked on the horizontal axis of the fuel injection valve.
JP1985110439U 1985-07-20 1985-07-20 Expired JPH0415980Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985110439U JPH0415980Y2 (en) 1985-07-20 1985-07-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985110439U JPH0415980Y2 (en) 1985-07-20 1985-07-20

Publications (2)

Publication Number Publication Date
JPS6220165U true JPS6220165U (en) 1987-02-06
JPH0415980Y2 JPH0415980Y2 (en) 1992-04-09

Family

ID=30989439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985110439U Expired JPH0415980Y2 (en) 1985-07-20 1985-07-20

Country Status (1)

Country Link
JP (1) JPH0415980Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01119602U (en) * 1988-02-01 1989-08-14
JPH10306756A (en) * 1997-05-09 1998-11-17 Nissan Motor Co Ltd Fuel injector drive

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58210357A (en) * 1982-06-01 1983-12-07 Nippon Soken Inc Fuel injection device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58210357A (en) * 1982-06-01 1983-12-07 Nippon Soken Inc Fuel injection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01119602U (en) * 1988-02-01 1989-08-14
JPH10306756A (en) * 1997-05-09 1998-11-17 Nissan Motor Co Ltd Fuel injector drive

Also Published As

Publication number Publication date
JPH0415980Y2 (en) 1992-04-09

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