JPS6274496U - - Google Patents
Info
- Publication number
- JPS6274496U JPS6274496U JP16458285U JP16458285U JPS6274496U JP S6274496 U JPS6274496 U JP S6274496U JP 16458285 U JP16458285 U JP 16458285U JP 16458285 U JP16458285 U JP 16458285U JP S6274496 U JPS6274496 U JP S6274496U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- piezoelectric element
- circumferential direction
- regions
- voltages
- 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
- 230000000750 progressive effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Description
第１図は本考案の一実施例の圧電素子１の断面
図、第２図は圧電素子１の分解斜視図、第３図は
圧電体１６の分極態様を説明する正面図、第４図
は本実施例の電気的構成を説明するブロツク図、
第５図は回転子２２の駆動状態を説明する斜視図
、第６図は圧電体１６の周方向展開図、第７図は
振動部材２０の表面波を説明する波形図、第８図
は従来技術の圧電素子１の正面図である。
１０……圧電モータ、１５……圧電素子、１６
……圧電体、１７……共通電極、１８ａ，１８ｂ
，１８ｃ……個別電極、２０……振動部材、２２
……回転子、２９〜３１……分極領域、３３……
交流電源、３５……移相器。
FIG. 1 is a sectional view of a piezoelectric element 1 according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the piezoelectric element 1, FIG. 3 is a front view illustrating the polarization mode of the piezoelectric body 16, and FIG. A block diagram illustrating the electrical configuration of this embodiment,
5 is a perspective view illustrating the driving state of the rotor 22, FIG. 6 is a developed view in the circumferential direction of the piezoelectric body 16, FIG. 7 is a waveform diagram illustrating the surface waves of the vibrating member 20, and FIG. 8 is a conventional FIG. 2 is a front view of the piezoelectric element 1 of the technique. 10...Piezoelectric motor, 15...Piezoelectric element, 16
... Piezoelectric body, 17 ... Common electrode, 18a, 18b
, 18c... Individual electrode, 20... Vibration member, 22
...Rotor, 29-31...Polarization region, 33...
AC power supply, 35...phase shifter.
Claims (1)
あけて３Ｎ（Ｎ＝１，２，３，…）の圧電領域を
有し、これらの圧電領域は周方向に同一長さを有
する、そのような圧電素子と、 圧電素子と同軸に配置され、圧電素子の少なく
とも一方表面に弾発的に接触する回転部材と、 前記圧電素子に電圧を印加する電源とを有し、 前記各圧電領域にはそれぞれ位相の異なる電圧
が印加され、 各圧電領域では周方向に同一周期の進行性振動
を生じるようにしたことを特徴とする圧電モータ
。[Claims for Utility Model Registration] An annular piezoelectric element having 3N (N=1, 2, 3,...) piezoelectric regions spaced at equal intervals in the circumferential direction; such a piezoelectric element having the same length in the direction; a rotating member disposed coaxially with the piezoelectric element and elastically contacting at least one surface of the piezoelectric element; and a power source for applying a voltage to the piezoelectric element. A piezoelectric motor, characterized in that voltages having different phases are applied to each of the piezoelectric regions, and each piezoelectric region generates progressive vibration of the same period in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16458285U JPS6274496U (en) | 1985-10-25 | 1985-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16458285U JPS6274496U (en) | 1985-10-25 | 1985-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6274496U true JPS6274496U (en) | 1987-05-13 |
Family
ID=31093831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16458285U Pending JPS6274496U (en) | 1985-10-25 | 1985-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6274496U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6013480A (en) * | 1983-06-30 | 1985-01-23 | Murata Mfg Co Ltd | Piezoelectric motor |
-
1985
- 1985-10-25 JP JP16458285U patent/JPS6274496U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6013480A (en) * | 1983-06-30 | 1985-01-23 | Murata Mfg Co Ltd | Piezoelectric motor |
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