JPS63147979U - - Google Patents
Info
- Publication number
- JPS63147979U JPS63147979U JP3924887U JP3924887U JPS63147979U JP S63147979 U JPS63147979 U JP S63147979U JP 3924887 U JP3924887 U JP 3924887U JP 3924887 U JP3924887 U JP 3924887U JP S63147979 U JPS63147979 U JP S63147979U
- Authority
- JP
- Japan
- Prior art keywords
- diameter piston
- valve
- piston
- small
- pilot valve
- 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
- 239000012530 fluid Substances 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims 1
Landscapes
- Fluid-Driven Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Description
第１図は本考案によるパイロツトバルブ装置の
一実施例を示す断面図、第２図はガス遮断器の操
作機構に用いられる従来のパイロツトバルブを示
す断面図である。
１……弁本体、２……弁部、３……ボール弁、
４……ばね、５……ストツパ、６……弁座、７…
…流体導入口、８……流体排出口、９……加圧室
、１０……ロツド、１１……小径ピストン、１２
……大径ピストン、１３……圧電体、１４……弁
カバー、１５……加圧流体導入孔、１６……絞り
。
FIG. 1 is a sectional view showing an embodiment of a pilot valve device according to the present invention, and FIG. 2 is a sectional view showing a conventional pilot valve used in the operating mechanism of a gas circuit breaker. 1...Valve body, 2...Valve part, 3...Ball valve,
4... Spring, 5... Stopper, 6... Valve seat, 7...
...Fluid inlet, 8...Fluid outlet, 9...Pressure chamber, 10...Rod, 11...Small diameter piston, 12
... Large diameter piston, 13 ... Piezoelectric body, 14 ... Valve cover, 15 ... Pressurized fluid introduction hole, 16 ... Throttle.
Claims (1)
を弁の開閉動作により連通制御するパイロツトバ
ルブ装置において、前記弁に連結された第１の小
径ピストンと、この第１の小径ピストンを流体圧
を介して駆動する第２の大径ピストンと、この第
２の大径ピストンを電歪効果による伸縮動作によ
り駆動する圧電体とを具備したことを特徴とする
パイロツトバルブ装置。 In a pilot valve device that controls communication between a fluid inlet and a fluid outlet provided in a valve body by opening and closing the valve, a first small-diameter piston connected to the valve and the first small-diameter piston are controlled by fluid pressure. 1. A pilot valve device comprising: a second large-diameter piston that is driven through the piston; and a piezoelectric body that drives the second large-diameter piston by an expansion/contraction operation caused by an electrostrictive effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3924887U JPS63147979U (en) | 1987-03-19 | 1987-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3924887U JPS63147979U (en) | 1987-03-19 | 1987-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63147979U true JPS63147979U (en) | 1988-09-29 |
Family
ID=30852247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3924887U Pending JPS63147979U (en) | 1987-03-19 | 1987-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63147979U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53119428A (en) * | 1977-03-28 | 1978-10-18 | Ishikawajima Harima Heavy Ind | Method for controlling fuid using piezo electric element |
-
1987
- 1987-03-19 JP JP3924887U patent/JPS63147979U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53119428A (en) * | 1977-03-28 | 1978-10-18 | Ishikawajima Harima Heavy Ind | Method for controlling fuid using piezo electric element |