JPH01157010U - - Google Patents
Info
- Publication number
- JPH01157010U JPH01157010U JP5419488U JP5419488U JPH01157010U JP H01157010 U JPH01157010 U JP H01157010U JP 5419488 U JP5419488 U JP 5419488U JP 5419488 U JP5419488 U JP 5419488U JP H01157010 U JPH01157010 U JP H01157010U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- valve
- control
- chamber
- hole
- 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.)
- Granted
Links
- 230000004043 responsiveness Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
Landscapes
- Fluid-Damping Devices (AREA)
- Control Of Fluid Pressure (AREA)
- Magnetically Actuated Valves (AREA)
Description
第１図は本考案実施例の電磁比例式圧力制御弁
を示す断面図、第２図はこの圧力制御弁を用いた
液圧制御サスペンシヨン装置を示す液圧回路図、
第３図は高応答性の圧力制御弁を用いたときの制
御電流応答性とアクチユエータ入力応答性の特性
を示すグラフ、第４図は低応答性の圧力制御弁を
用いたときの制御電流応答性とアクチユエータ入
力応答性の特性を示すグラフ、第５図は従来技術
の説明図である。
Ａ……圧力制御弁、Ｂ……液圧制御サスペンシ
ヨン装置、Ｔ……タンク、２……制御圧回路、５
……ドレーン回路、６……バルブボデイ、７……
パイロツトバルブ穴、８……メインバルブ穴、６
３……ソレノイド、６５……制御圧孔、７０……
パイロツトスプール、８０……メインスプール（
バルブスプール）、８２……ポンプ圧ポート（入
力ポート）、８３……ドレーンポート、８４……
メイン圧力制御室、７６……フイードバツク室、
８７……パイロツト室、８８……連通路、ｉ……
制御電流。
FIG. 1 is a sectional view showing an electromagnetic proportional pressure control valve according to an embodiment of the present invention, and FIG. 2 is a hydraulic circuit diagram showing a hydraulic pressure control suspension device using this pressure control valve.
Figure 3 is a graph showing the control current response and actuator input response characteristics when using a pressure control valve with high responsiveness, and Figure 4 is a graph showing the control current response when using a pressure control valve with low responsiveness. FIG. 5 is a graph showing characteristics of actuator input responsiveness and actuator input responsiveness, and is an explanatory diagram of the prior art. A... Pressure control valve, B... Hydraulic pressure control suspension device, T... Tank, 2... Control pressure circuit, 5
...Drain circuit, 6...Valve body, 7...
Pilot valve hole, 8... Main valve hole, 6
3... Solenoid, 65... Control pressure hole, 70...
Pilot spool, 80... Main spool (
Valve spool), 82... Pump pressure port (input port), 83... Drain port, 84...
Main pressure control room, 76...feedback room,
87...Pilot chamber, 88...Communication passage, i...
control current.
Claims (1)
入力ポート及びドレーン回路に接続されるドレー
ンポートが形成されると共に、両ポート間位置に
制御圧回路に連通される制御圧孔が開口されたバ
ルブ穴と、 該バルブ穴に摺動自在に設けられ、制御圧孔の
開口位置のバルブボデイとの間に圧力制御室を区
画形成するバルブスプールと、 コントローラからの制御電流に比例したパイロ
ツト液圧を形成するパイロツト液圧制御手段と、 前記バルブスプールの一端側に形成され、バル
ブスプールを圧力制御室液圧上昇方向に押圧すべ
くパイロツト液圧が導入されるパイロツト室と、 前記バルブスプールの他端側に形成され、バル
ブスプールを圧力制御室液圧下降方向に押圧すべ
く圧力制御室の液圧が導入されるフイードバツク
室と、 前記制御圧孔とパイロツト室とを連通する連通
路と、 を備えていることを特徴とする電磁比例式圧力制
御弁。[Claims for Utility Model Registration] An input port is formed in the valve body, and an input port connected to a hydraulic pressure source and a drain port connected to a drain circuit are formed, and a position between the two ports is connected to a control pressure circuit. A valve hole in which a control pressure hole is opened, a valve spool that is slidably provided in the valve hole and defines a pressure control chamber between the valve body at the opening position of the control pressure hole, and a control current from a controller. a pilot chamber that is formed at one end of the valve spool and into which pilot hydraulic pressure is introduced to press the valve spool in a direction of increasing hydraulic pressure in the pressure control chamber; , a feedback chamber formed at the other end of the valve spool and into which the hydraulic pressure of the pressure control chamber is introduced in order to press the valve spool in a downward direction of the pressure control chamber hydraulic pressure, and communicating the control pressure hole and the pilot chamber. An electromagnetic proportional pressure control valve characterized by having a communication passage for communicating with the user, and a proportional electromagnetic pressure control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5419488U JPH0710892Y2 (en) | 1988-04-22 | 1988-04-22 | Electromagnetic proportional pressure control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5419488U JPH0710892Y2 (en) | 1988-04-22 | 1988-04-22 | Electromagnetic proportional pressure control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01157010U true JPH01157010U (en) | 1989-10-30 |
| JPH0710892Y2 JPH0710892Y2 (en) | 1995-03-15 |
Family
ID=31280130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5419488U Expired - Lifetime JPH0710892Y2 (en) | 1988-04-22 | 1988-04-22 | Electromagnetic proportional pressure control valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710892Y2 (en) |
-
1988
- 1988-04-22 JP JP5419488U patent/JPH0710892Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0710892Y2 (en) | 1995-03-15 |
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