JPH01180891U - - Google Patents

Info

Publication number
JPH01180891U
JPH01180891U JP1988070744U JP7074488U JPH01180891U JP H01180891 U JPH01180891 U JP H01180891U JP 1988070744 U JP1988070744 U JP 1988070744U JP 7074488 U JP7074488 U JP 7074488U JP H01180891 U JPH01180891 U JP H01180891U
Authority
JP
Japan
Prior art keywords
cylindrical piezoelectric
showing
view
piezoelectric actuator
electrodes
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
JP1988070744U
Other languages
English (en)
Other versions
JPH076716Y2 (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 JP1988070744U priority Critical patent/JPH076716Y2/ja
Publication of JPH01180891U publication Critical patent/JPH01180891U/ja
Application granted granted Critical
Publication of JPH076716Y2 publication Critical patent/JPH076716Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Description

【図面の簡単な説明】
第１図ａは本考案実施例に係る圧電アクチユエ
ータを示す斜視図、第１図ｂは同図ａ中のＸ−Ｘ
線断面図、第１図ｃは電極取出し部の構造を示す
要部拡大断面図である。第２図は本考案の応用例
である負性アクチユエータを示す側面図である。
第３図ａは本発明の他の応用例であるリニアモー
タを示す断面図、第３図ｂは同図ａに示すリニア
モータへ通電する交流電圧の波形を示す図である
。第４図は従来の円筒状圧電アクチユエータを示
す断面図である。 １：圧電アクチユエータ、２：圧電セミミツク
ス、３：内部電極、４，５：外部電極。

Claims (1)

    【実用新案登録請求の範囲】
  1. 複数の円筒状圧電セラミツクスと電極を交互に
    、軸方向に順次ずらせた状態で積層したことを特
    徴とする円筒状圧電アクチユエータ。
JP1988070744U 1988-05-27 1988-05-27 円筒状圧電アクチュエータ Expired - Lifetime JPH076716Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988070744U JPH076716Y2 (ja) 1988-05-27 1988-05-27 円筒状圧電アクチュエータ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988070744U JPH076716Y2 (ja) 1988-05-27 1988-05-27 円筒状圧電アクチュエータ

Publications (2)

Publication Number Publication Date
JPH01180891U true JPH01180891U (ja) 1989-12-26
JPH076716Y2 JPH076716Y2 (ja) 1995-02-15

Family

ID=31295973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988070744U Expired - Lifetime JPH076716Y2 (ja) 1988-05-27 1988-05-27 円筒状圧電アクチュエータ

Country Status (1)

Country Link
JP (1) JPH076716Y2 (ja)

Also Published As

Publication number Publication date
JPH076716Y2 (ja) 1995-02-15

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