JPH048456U - - Google Patents

Info

Publication number
JPH048456U
JPH048456U JP1990049082U JP4908290U JPH048456U JP H048456 U JPH048456 U JP H048456U JP 1990049082 U JP1990049082 U JP 1990049082U JP 4908290 U JP4908290 U JP 4908290U JP H048456 U JPH048456 U JP H048456U
Authority
JP
Japan
Prior art keywords
inner cylinder
piezoelectric element
outer cylinder
cylinder
actuator
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
JP1990049082U
Other languages
English (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 JP1990049082U priority Critical patent/JPH048456U/ja
Publication of JPH048456U publication Critical patent/JPH048456U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fuel-Injection Apparatus (AREA)

Description

【図面の簡単な説明】
第1図は燃料噴射弁の側面断面図、第2図は振
動騒音を低減する方法を説明するための図である
。 8……ケーシング、9……ピエゾ圧電素子、1
0……保持スリーブ、11……ケーシングホルダ
、12……ゴムキヤツプ、13……ピストン。

Claims (1)

    【実用新案登録請求の範囲】
  1. 駆動源として圧電素子を用いたアクチユエータ
    において、該圧電素子を包囲するケーシングを内
    筒と外筒とにより構成し、該内筒と外筒の軸方向
    一端部をアクチユエータハウジングに固定配置す
    ると共に該内筒と外筒の軸方向他端部を一緒に移
    動するように結合させ、該内筒の軸方向他端部に
    より圧電素子の軸方向端部を支承して圧電素子が
    伸長したときに内筒および外筒が同時に伸長する
    ようにしたアクチユエータ。
JP1990049082U 1990-05-14 1990-05-14 Pending JPH048456U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990049082U JPH048456U (ja) 1990-05-14 1990-05-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990049082U JPH048456U (ja) 1990-05-14 1990-05-14

Publications (1)

Publication Number Publication Date
JPH048456U true JPH048456U (ja) 1992-01-27

Family

ID=31566470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990049082U Pending JPH048456U (ja) 1990-05-14 1990-05-14

Country Status (1)

Country Link
JP (1) JPH048456U (ja)

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