JPH0463801U - - Google Patents
Info
- Publication number
- JPH0463801U JPH0463801U JP10590390U JP10590390U JPH0463801U JP H0463801 U JPH0463801 U JP H0463801U JP 10590390 U JP10590390 U JP 10590390U JP 10590390 U JP10590390 U JP 10590390U JP H0463801 U JPH0463801 U JP H0463801U
- Authority
- JP
- Japan
- Prior art keywords
- actuator
- servo
- hydraulic
- linear motor
- spool
- 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
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Servomotors (AREA)
Description
図面は本考案に係る実施例を説明するものであ
り、第１図は油圧サーボ・アクチユエータの概略
的な図である。
１……油圧サーボ・アクチユエータ、３……ア
クチユエータ、５……油圧回路、７……サーボ弁
、１３……作動杆、２９……スプール、３１……
リニア直流モータ、３３……永久磁石、３５……
コイル、３７……制御手段、３７……冷却手段。
The drawings illustrate an embodiment of the invention, and FIG. 1 is a schematic diagram of a hydraulic servo actuator. 1... Hydraulic servo actuator, 3... Actuator, 5... Hydraulic circuit, 7... Servo valve, 13... Operating rod, 29... Spool, 31...
Linear DC motor, 33...Permanent magnet, 35...
Coil, 37...control means, 37...cooling means.
Claims (1)
油圧サーボ・アクチユエータにおいて、このアク
チユエータを作動させる油圧回路の途中にスプー
ルを備えたサーボ弁を配設し、上記スプールを直
線的に僅かな量だけ移動させるために、サーボ弁
とリニアモータを直結して設けてなることを特徴
とする油圧サーボ・アクチユエータ。 (2) 上記作動杆の位置を検出する位置検出装置
を設け、この位置検出装置の検出値に対応してリ
ニアモータを制御する制御手段を設けてなること
を特徴とする請求項１記載の油圧サーボ・アクチ
ユエータ。 (3) 前記リニアモータは、永久磁石とコイルを
備えたリニア直流モータであり、上記コイルを冷
却する冷却手段を備えてなることを特徴とする請
求項１記載の油圧サーボ・アクチユエータ。[Scope of Claim for Utility Model Registration] (1) In a hydraulic servo actuator that positions the operating rod of the actuator, a servo valve equipped with a spool is disposed in the middle of the hydraulic circuit that operates the actuator, and the spool is aligned in a straight line. A hydraulic servo actuator characterized in that a servo valve and a linear motor are directly connected to each other in order to move a small amount. (2) The hydraulic pressure according to claim 1, further comprising a position detecting device for detecting the position of the operating rod, and a control means for controlling the linear motor in response to a detected value of the position detecting device. Servo actuator. (3) The hydraulic servo-actuator according to claim 1, wherein the linear motor is a linear DC motor equipped with a permanent magnet and a coil, and further includes cooling means for cooling the coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10590390U JPH0463801U (en) | 1990-10-11 | 1990-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10590390U JPH0463801U (en) | 1990-10-11 | 1990-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0463801U true JPH0463801U (en) | 1992-05-29 |
Family
ID=31851781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10590390U Pending JPH0463801U (en) | 1990-10-11 | 1990-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0463801U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012057776A (en) * | 2010-09-13 | 2012-03-22 | Yuken Kogyo Co Ltd | Electric/hydraulic linear servo valve |
| JP2015165194A (en) * | 2014-03-02 | 2015-09-17 | 株式会社アメフレック | Cooling/heating device and thermal shock test device using the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51119517A (en) * | 1975-04-11 | 1976-10-20 | Fujikoshi Kk | Oil immersed solenoid valve |
| JPS6383407A (en) * | 1986-09-26 | 1988-04-14 | Toyota Autom Loom Works Ltd | Oil pressure control valve |
-
1990
- 1990-10-11 JP JP10590390U patent/JPH0463801U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51119517A (en) * | 1975-04-11 | 1976-10-20 | Fujikoshi Kk | Oil immersed solenoid valve |
| JPS6383407A (en) * | 1986-09-26 | 1988-04-14 | Toyota Autom Loom Works Ltd | Oil pressure control valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012057776A (en) * | 2010-09-13 | 2012-03-22 | Yuken Kogyo Co Ltd | Electric/hydraulic linear servo valve |
| CN102400971A (en) * | 2010-09-13 | 2012-04-04 | 油研工业株式会社 | Electric hydraulic linear servo valve |
| JP2015165194A (en) * | 2014-03-02 | 2015-09-17 | 株式会社アメフレック | Cooling/heating device and thermal shock test device using the same |