JPH02122595U - - Google Patents

Info

Publication number
JPH02122595U
JPH02122595U JP1989030188U JP3018889U JPH02122595U JP H02122595 U JPH02122595 U JP H02122595U JP 1989030188 U JP1989030188 U JP 1989030188U JP 3018889 U JP3018889 U JP 3018889U JP H02122595 U JPH02122595 U JP H02122595U
Authority
JP
Japan
Prior art keywords
traveling wave
ultrasonic motor
elastic body
wave ultrasonic
rotor
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
JP1989030188U
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 JP1989030188U priority Critical patent/JPH02122595U/ja
Publication of JPH02122595U publication Critical patent/JPH02122595U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の圧電素子の一実施例の概略構
成を示す構成図、第2図は進行波型超音波モータ
の原理説明図、第3図は従来の進行波型超音波モ
ータの構造図、第4図は固定子の概略構成図であ
る。 1……弾性体、2……動体、11……円環状弾
性体(ステータ)、12……円環状圧電素子、1
3……回転子、21〜28,31〜38……分極
部、40,41,42,43……電気的未使用部
分、51……電極A、52……電極B、60……
セラミツク層、61,62……電極層、71〜7
6……電極未形成部。

Claims (1)

  1. 【実用新案登録請求の範囲】 圧電体と一体に形成された弾性体に進行波を発
    生させ、この弾性体に圧接された回転子を駆動す
    る進行波型超音波モータにおいて、 圧電体の表面に形成された電極面に微細な穴を
    多数設けたことを特徴とする進行波型超音波モー
    タ。
JP1989030188U 1989-03-16 1989-03-16 Pending JPH02122595U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989030188U JPH02122595U (ja) 1989-03-16 1989-03-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989030188U JPH02122595U (ja) 1989-03-16 1989-03-16

Publications (1)

Publication Number Publication Date
JPH02122595U true JPH02122595U (ja) 1990-10-08

Family

ID=31255033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989030188U Pending JPH02122595U (ja) 1989-03-16 1989-03-16

Country Status (1)

Country Link
JP (1) JPH02122595U (ja)

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