JPH0448086U - - Google Patents
Info
- Publication number
- JPH0448086U JPH0448086U JP9002390U JP9002390U JPH0448086U JP H0448086 U JPH0448086 U JP H0448086U JP 9002390 U JP9002390 U JP 9002390U JP 9002390 U JP9002390 U JP 9002390U JP H0448086 U JPH0448086 U JP H0448086U
- Authority
- JP
- Japan
- Prior art keywords
- port
- orifice
- inflow
- sub
- discharge
- 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
Description
第１図及び第２図は本考案に係る流量制御弁の
一実施例を示す断面図、第３図及び第４図はそれ
ぞれ従来の流量制御弁の例を示す断面図、第５図
ａは第３図の流量制御弁のメイン流路の作動油供
給流量特性を示す線図、第５図ｂは第４図の流量
制御弁の作動油吐出流量特性を示す線図、第５図
ｃは本考案に係る第１図及び第２図の流量制御弁
の作動油吐出流量特性を示す線図、第６図は本出
願人の先の提案による流量制御弁の断面図である
。
１４……コネクタプラグ、１５……スプール室
、１６……吐出ポート、２０……隔壁部、２１…
…開口、２１ｂ，２１１ｂ……ガイドブツシユ、
２２……流入ポート、２３……ドレンポート、２
４……スプール、２４ｂ……流路管部、２４ｃ…
…ランド（差圧受圧部）、２６……メインオリフ
イス、２９……第１サブオリフイス、３０……第
２サブオリフイス、Ｐ１……第１圧力室、Ｐ２…
…第２圧力室、Ｐ３……補助圧力室。
1 and 2 are sectional views showing one embodiment of the flow control valve according to the present invention, FIGS. 3 and 4 are sectional views showing examples of conventional flow control valves, and FIG. 5a is a sectional view showing an example of a conventional flow control valve. Figure 3 is a diagram showing the hydraulic oil supply flow rate characteristics of the main flow path of the flow control valve, Figure 5b is a diagram showing the hydraulic oil discharge flow rate characteristics of the flow control valve in Figure 4, and Figure 5c is a diagram showing the hydraulic oil discharge flow rate characteristics of the flow control valve in Figure 4. 1 and 2 according to the present invention, and FIG. 6 is a cross-sectional view of the flow control valve proposed earlier by the present applicant. 14... Connector plug, 15... Spool chamber, 16... Discharge port, 20... Partition wall, 21...
...Opening, 21b, 211b...Guide bushing,
22...Inflow port, 23...Drain port, 2
4... Spool, 24b... Channel pipe section, 24c...
...Land (differential pressure receiving part), 26...Main orifice, 29...First sub-orifice, 30...Second sub-orifice, P1...First pressure chamber, P2...
...Second pressure chamber, P3...Auxiliary pressure chamber.
Claims (1)
ング装置の油圧回路へ作動油を吐出供給する吐出
ポートと、それら流入及び吐出ポートの間に設け
たメインオリフイスと、余剰の圧油を還流させる
ドレンポートとを備え、前記流入ポートからの流
入量に応じてスプール室内にスプールが移動して
前記ドレンポートからのドレン流量を増減させ、
前記メインオリフイスを介して前記吐出ポートか
ら供給される吐出流量制御を行なうようにしたパ
ワーステアリング装置用流量制御弁において、 前記流入ポートとメインオリフイスとの間に、
第１サブオリフイスを設け、この第１サブオリフ
イス前後の圧力が作用する受圧部を、前記スプー
ルに形成し且つ、前記流入ポートと前記吐出ポー
トとの間に第２サブオリフイスを設けたことを特
徴とするパワーステアリング装置用流量制御弁。[Claim for Utility Model Registration] An inflow port into which pressure oil flows, a discharge port that discharges and supplies hydraulic fluid to the hydraulic circuit of a power steering device, a main orifice provided between these inflow and discharge ports, and a surplus and a drain port that recirculates pressure oil, the spool moves into a spool chamber according to the amount of inflow from the inflow port to increase or decrease the drain flow rate from the drain port,
In the flow control valve for a power steering device, which controls the discharge flow rate supplied from the discharge port via the main orifice, between the inflow port and the main orifice,
A first sub-orifice is provided, a pressure-receiving portion on which the pressure before and after the first sub-orifice acts is formed on the spool, and a second sub-orifice is provided between the inflow port and the discharge port. Flow control valve for power steering equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9002390U JP2525715Y2 (en) | 1990-08-30 | 1990-08-30 | Flow control valve for power steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9002390U JP2525715Y2 (en) | 1990-08-30 | 1990-08-30 | Flow control valve for power steering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0448086U true JPH0448086U (en) | 1992-04-23 |
| JP2525715Y2 JP2525715Y2 (en) | 1997-02-12 |
Family
ID=31824427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9002390U Expired - Lifetime JP2525715Y2 (en) | 1990-08-30 | 1990-08-30 | Flow control valve for power steering device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2525715Y2 (en) |
-
1990
- 1990-08-30 JP JP9002390U patent/JP2525715Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2525715Y2 (en) | 1997-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE214816T1 (en) | ELECTROHYDRAULIC PROPORTIONAL PRESSURE REDUCING/RELIEF VALVE | |
| US5328147A (en) | Two stage pressure control valve | |
| JPS58146168U (en) | flow control valve | |
| JPH0448086U (en) | ||
| JPH0550601B2 (en) | ||
| JPH0444570U (en) | ||
| JP2649045B2 (en) | Pressure control valve | |
| JPH06117415A (en) | Variable regeneration circuit | |
| JPS6135823Y2 (en) | ||
| JP3109526B2 (en) | Flow control valve | |
| JPS622372Y2 (en) | ||
| JPS574470A (en) | Controller for flow rate of working fluid for power steering | |
| JPS6227682Y2 (en) | ||
| JPH0224965Y2 (en) | ||
| JP2649817B2 (en) | Flow control valve | |
| JPH0277180U (en) | ||
| JPH0165404U (en) | ||
| JPS6114721Y2 (en) | ||
| JPH0443605Y2 (en) | ||
| JPH0726563Y2 (en) | Flow control valve | |
| JPH0229372U (en) | ||
| JPS6181311U (en) | ||
| JPH0519653Y2 (en) | ||
| JPS62468Y2 (en) | ||
| JPH0437075U (en) |