JPH0394092U - - Google Patents

Info

Publication number
JPH0394092U
JPH0394092U JP250490U JP250490U JPH0394092U JP H0394092 U JPH0394092 U JP H0394092U JP 250490 U JP250490 U JP 250490U JP 250490 U JP250490 U JP 250490U JP H0394092 U JPH0394092 U JP H0394092U
Authority
JP
Japan
Prior art keywords
protrusions
ultrasonic motor
stator
rotor
piezoelectric element
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
JP250490U
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 JP250490U priority Critical patent/JPH0394092U/ja
Priority to DE69030481T priority patent/DE69030481T2/de
Priority to EP90311426A priority patent/EP0424139B1/en
Priority to KR1019900016594A priority patent/KR910008930A/ko
Priority to US07/602,444 priority patent/US5247220A/en
Publication of JPH0394092U publication Critical patent/JPH0394092U/ja
Priority to US08/363,557 priority patent/US5521455A/en
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の超音波モータの一実施例を示
す断面図。第２図は第１図のステータの平面図。
第３図は本考案の超音波モータの他の実施例を示
す断面図。第４図は第３図のステータの平面図。 １……圧電素子、２……ステータ、２ａ……突
起部、２ｃ……凸部、４……ロータ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 中心軸方向に複数の突起部を有する円板状のス
    テータに圧電素子を添付し、前記突起部に当接さ
    せたロータを回転させる超音波モータにおいて、
    前記突起部を前記ステータの外周に設けた半径方
    向の凸部上に構成した事を特徴とする超音波モー
    タ。
JP250490U 1989-10-20 1990-01-16 Pending JPH0394092U (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP250490U JPH0394092U (ja) 1990-01-16 1990-01-16
DE69030481T DE69030481T2 (de) 1989-10-20 1990-10-18 Ultraschallmotor
EP90311426A EP0424139B1 (en) 1989-10-20 1990-10-18 Ultrasonic motor
KR1019900016594A KR910008930A (ko) 1989-10-20 1990-10-18 초음파 모터
US07/602,444 US5247220A (en) 1989-10-20 1990-10-22 Ultrasonic motor
US08/363,557 US5521455A (en) 1989-10-20 1994-12-22 Ultrasonic motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP250490U JPH0394092U (ja) 1990-01-16 1990-01-16

Publications (1)

Publication Number Publication Date
JPH0394092U true JPH0394092U (ja) 1991-09-25

Family

ID=31506377

Family Applications (1)

Application Number Title Priority Date Filing Date
JP250490U Pending JPH0394092U (ja) 1989-10-20 1990-01-16

Country Status (1)

Country Link
JP (1) JPH0394092U (ja)

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