JPH0338469U - - Google Patents
Info
- Publication number
- JPH0338469U JPH0338469U JP1989099408U JP9940889U JPH0338469U JP H0338469 U JPH0338469 U JP H0338469U JP 1989099408 U JP1989099408 U JP 1989099408U JP 9940889 U JP9940889 U JP 9940889U JP H0338469 U JPH0338469 U JP H0338469U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- displacement
- expanding
- laminated
- cylinder
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Description
添付図面は、本考案の実施例に係る圧電アクチ
ユエータの断面図である。
Ａ……圧電アクチユエータ、１……圧電素子、
１ａ……圧電材セラミツク、１ｂ……電極、２…
…シリンダボデー、３……流体室、４……大径ピ
ストン、６……小径ヘツドピストン、８……変位
伝達用液体、９……出力ピン、１０……リタンス
プリング。
The accompanying drawings are cross-sectional views of piezoelectric actuators according to embodiments of the present invention. A...Piezoelectric actuator, 1...Piezoelectric element,
1a...Piezoelectric ceramic material, 1b...Electrode, 2...
...Cylinder body, 3...Fluid chamber, 4...Large diameter piston, 6...Small diameter head piston, 8...Displacement transmission liquid, 9...Output pin, 10...Return spring.
Claims (1)
備えた圧電アクチユエータにおいて、圧電素子が
筒状に、かつ筒の軸線方向に積層に構成されて成
ることを特徴とする圧電アクチユエータ。 A piezoelectric actuator equipped with a mechanism for expanding the displacement of a piezoelectric element using a liquid, characterized in that the piezoelectric elements are arranged in a cylindrical shape and laminated in the axial direction of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989099408U JPH0338469U (en) | 1989-08-25 | 1989-08-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989099408U JPH0338469U (en) | 1989-08-25 | 1989-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0338469U true JPH0338469U (en) | 1991-04-15 |
Family
ID=31648464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989099408U Pending JPH0338469U (en) | 1989-08-25 | 1989-08-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0338469U (en) |
-
1989
- 1989-08-25 JP JP1989099408U patent/JPH0338469U/ja active Pending