JPS6427469U - - Google Patents

Info

Publication number
JPS6427469U
JPS6427469U JP12295787U JP12295787U JPS6427469U JP S6427469 U JPS6427469 U JP S6427469U JP 12295787 U JP12295787 U JP 12295787U JP 12295787 U JP12295787 U JP 12295787U JP S6427469 U JPS6427469 U JP S6427469U
Authority
JP
Japan
Prior art keywords
electrostrictive actuator
injection valve
fuel injection
electromotive force
drive circuit
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
JP12295787U
Other languages
English (en)
Other versions
JPH0614077Y2 (ja
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 JP1987122957U priority Critical patent/JPH0614077Y2/ja
Publication of JPS6427469U publication Critical patent/JPS6427469U/ja
Application granted granted Critical
Publication of JPH0614077Y2 publication Critical patent/JPH0614077Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Fuel-Injection Apparatus (AREA)

Description

【図面の簡単な説明】
第1図は実施例の圧電素子アクチユエータ駆動
回路の構成を表す回路図、第2図はデイーゼルエ
ンジン及び周辺機器を概略的に表す構成図、第3
図は燃料噴射弁周囲の構造を表す断面図、第4図
は圧電素子アクチユエータ駆動回路の各部の電圧
または電流の変化を表すタイミングチヤートであ
る。 1……デイーゼルエンジン、8a,8b,8c
,8d……燃料噴射弁、40……圧電素子アクチ
ユエータ駆動回路、42……変圧器、72a,7
2b,72c,72d……圧電素子。

Claims (1)

  1. 【実用新案登録請求の範囲】 内燃機関に燃料噴射を行なう燃料噴射弁の電歪
    式アクチユエータに接続されたコイルに起電力を
    誘起し、該起電力によつて該電歪式アクチユエー
    タに対する充電もしくは放電を行なつて当該電歪
    式アクチユエータを伸縮させる燃料噴射弁用電歪
    式アクチユエータの駆動回路であつて、 前記コイルを二次側コイルとする変圧器と、 該変圧器の一次側コイルを流れる電流を一定量
    変化させて前記二次側コイルに起電力を誘起する
    電流増減回路と、 を備える燃料噴射弁用電歪式アクチユエータの
    駆動回路。
JP1987122957U 1987-08-11 1987-08-11 燃料噴射弁用電歪式アクチュエ−タの駆動回路 Expired - Lifetime JPH0614077Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987122957U JPH0614077Y2 (ja) 1987-08-11 1987-08-11 燃料噴射弁用電歪式アクチュエ−タの駆動回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987122957U JPH0614077Y2 (ja) 1987-08-11 1987-08-11 燃料噴射弁用電歪式アクチュエ−タの駆動回路

Publications (2)

Publication Number Publication Date
JPS6427469U true JPS6427469U (ja) 1989-02-16
JPH0614077Y2 JPH0614077Y2 (ja) 1994-04-13

Family

ID=31371368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987122957U Expired - Lifetime JPH0614077Y2 (ja) 1987-08-11 1987-08-11 燃料噴射弁用電歪式アクチュエ−タの駆動回路

Country Status (1)

Country Link
JP (1) JPH0614077Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036833A (ja) * 1973-06-28 1975-04-07
JPS52125316A (en) * 1976-02-24 1977-10-21 Lucas Industries Ltd Circuit for exciting piezooelectric crystal vibrator
JPS6217338A (ja) * 1985-07-17 1987-01-26 Toyota Motor Corp 燃料噴射弁用電歪式アクチユエ−タの駆動回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036833A (ja) * 1973-06-28 1975-04-07
JPS52125316A (en) * 1976-02-24 1977-10-21 Lucas Industries Ltd Circuit for exciting piezooelectric crystal vibrator
JPS6217338A (ja) * 1985-07-17 1987-01-26 Toyota Motor Corp 燃料噴射弁用電歪式アクチユエ−タの駆動回路

Also Published As

Publication number Publication date
JPH0614077Y2 (ja) 1994-04-13

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