JPH02107286U - - Google Patents
Info
- Publication number
- JPH02107286U JPH02107286U JP1516989U JP1516989U JPH02107286U JP H02107286 U JPH02107286 U JP H02107286U JP 1516989 U JP1516989 U JP 1516989U JP 1516989 U JP1516989 U JP 1516989U JP H02107286 U JPH02107286 U JP H02107286U
- Authority
- JP
- Japan
- Prior art keywords
- traveling wave
- regions
- elastic body
- piezoelectric body
- 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
Links
- 238000002604 ultrasonography Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の圧電素子の一実施例を示す構
成図、第２図は本考案の圧電素子の他の実施例を
示す構成図、第３図は進行波型超音波モータの原
理説明図、第４図は従来の進行波型超音波モータ
の構造図、第５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……
円環状圧電素子、６１〜６５，７１〜７５，８０
，８１……分極部、９１……電極Ａ、９２……電
極Ｂ。
Fig. 1 is a block diagram showing one embodiment of the piezoelectric element of the present invention, Fig. 2 is a block diagram showing another embodiment of the piezoelectric element of the present invention, and Fig. 3 is an explanation of the principle of a traveling wave type ultrasonic motor. 4 are structural diagrams of a conventional traveling wave type ultrasonic motor, and FIG. 5 is a schematic structural diagram of a stator. 1... Elastic body, 2... Moving body, 11... Annular elastic body (stator), 12... Annular piezoelectric element, 1
3... Rotor, 21-28, 31-38... Polarized portion, 40, 41, 42, 43... Electrically unused portion, 51... Electrode A, 52... Electrode B, 60...
Annular piezoelectric element, 61-65, 71-75, 80
, 81...Polarized portion, 91...Electrode A, 92...Electrode B.
Claims (1)
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であつて、 前記圧電体を複数の領域に分割し、分割された
全ての領域を分極処理することを特徴とする進行
波型超音波モータ。 (2) 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であつて、 前記圧電体を複数の領域に分割し、分割された
全ての領域のそれぞれを単一方向に分極処理する
と共に、 前記複数の領域の隣接する部位に位相の反転し
た信号を与えるよう構成したことを特徴とする進
行波型超音波モータ。[Claims for Utility Model Registration] (1) A traveling wave ultrasonic motor that generates traveling waves in an elastic body formed integrally with a piezoelectric body and drives a rotor that is pressed against the elastic body, A traveling wave type ultrasonic motor characterized in that the piezoelectric body is divided into a plurality of regions, and all the divided regions are polarized. (2) A traveling wave ultrasonic motor that generates a traveling wave in an elastic body formed integrally with a piezoelectric body and drives a rotor that is pressed against the elastic body, the piezoelectric body being spread over a plurality of regions. Traveling wave ultrasound characterized by being configured to divide, polarize each of the divided regions in a single direction, and give a signal with an inverted phase to adjacent parts of the plurality of regions. motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1516989U JPH02107286U (en) | 1989-02-10 | 1989-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1516989U JPH02107286U (en) | 1989-02-10 | 1989-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02107286U true JPH02107286U (en) | 1990-08-27 |
Family
ID=31226990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1516989U Pending JPH02107286U (en) | 1989-02-10 | 1989-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02107286U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60207467A (en) * | 1984-03-29 | 1985-10-19 | Showa Electric Wire & Cable Co Ltd | Supersonic motor |
| JPS6258885A (en) * | 1985-09-04 | 1987-03-14 | Matsushita Electric Ind Co Ltd | Ultrasonic motor |
-
1989
- 1989-02-10 JP JP1516989U patent/JPH02107286U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60207467A (en) * | 1984-03-29 | 1985-10-19 | Showa Electric Wire & Cable Co Ltd | Supersonic motor |
| JPS6258885A (en) * | 1985-09-04 | 1987-03-14 | Matsushita Electric Ind Co Ltd | Ultrasonic motor |
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