JPH0244890U - - Google Patents

Info

Publication number
JPH0244890U
JPH0244890U JP1988122182U JP12218288U JPH0244890U JP H0244890 U JPH0244890 U JP H0244890U JP 1988122182 U JP1988122182 U JP 1988122182U JP 12218288 U JP12218288 U JP 12218288U JP H0244890 U JPH0244890 U JP H0244890U
Authority
JP
Japan
Prior art keywords
piezoelectric elements
back sides
elements
fan
ultrasonic motor
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
JP1988122182U
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 JP1988122182U priority Critical patent/JPH0244890U/ja
Publication of JPH0244890U publication Critical patent/JPH0244890U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図aおよびbは本考案による圧電素子の外
観を示す斜視図および分極方向を示す側面断面図
、第2図aおよびbは本考案による超音波モータ
用素子を上面および下面から見た斜視図、第3図
はその正面図、第4図aおよびbは従来の超音波
モータ用素子を上面および下面から見た斜視図、
第5図はその正面図である。 1……孔明き円板状圧電素子、1a……切欠き
、2……扇形状電極、3……環状電極、4……扇
形状圧電素子、5,6……電極、7……孔明き円
板状金属板。

Claims (1)

    【実用新案登録請求の範囲】
  1. 孔明き円板状の薄い金属板の表裏両面に、複数
    枚の扇形状圧電素子を、相隣接する上記圧電素子
    の分極方向が反転するように、また、表裏の上記
    圧電素子が1/2ピツチずつずれるように貼付し
    たことを特徴とする超音波モータ用素子。
JP1988122182U 1988-09-20 1988-09-20 Pending JPH0244890U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988122182U JPH0244890U (ja) 1988-09-20 1988-09-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988122182U JPH0244890U (ja) 1988-09-20 1988-09-20

Publications (1)

Publication Number Publication Date
JPH0244890U true JPH0244890U (ja) 1990-03-28

Family

ID=31369870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988122182U Pending JPH0244890U (ja) 1988-09-20 1988-09-20

Country Status (1)

Country Link
JP (1) JPH0244890U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007036612A (ja) * 2005-07-26 2007-02-08 Tdk Corp 圧電薄膜振動子およびその製造方法、並びにそれを用いた駆動装置および圧電モータ
KR20160136493A (ko) * 2015-05-19 2016-11-30 한국기계연구원 횡파 발생 방지가 가능한 압전소자를 가진 초음파 진동자 및 이를 포함하는 초음파 세정 장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007036612A (ja) * 2005-07-26 2007-02-08 Tdk Corp 圧電薄膜振動子およびその製造方法、並びにそれを用いた駆動装置および圧電モータ
KR20160136493A (ko) * 2015-05-19 2016-11-30 한국기계연구원 횡파 발생 방지가 가능한 압전소자를 가진 초음파 진동자 및 이를 포함하는 초음파 세정 장치

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