JPH038976U - - Google Patents
Info
- Publication number
- JPH038976U JPH038976U JP4885889U JP4885889U JPH038976U JP H038976 U JPH038976 U JP H038976U JP 4885889 U JP4885889 U JP 4885889U JP 4885889 U JP4885889 U JP 4885889U JP H038976 U JPH038976 U JP H038976U
- Authority
- JP
- Japan
- Prior art keywords
- steering
- switching valve
- force control
- power
- passage switching
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 210000005241 right ventricle Anatomy 0.000 description 1
Landscapes
- Steering Control In Accordance With Driving Conditions (AREA)
Description
第１図は本考案に係る動力舵取装置の操舵力制
御装置の一実施例を示す油圧回路図、第２図は本
考案を特徴づける操舵力制御装置の具体的構造を
示す要部拡大断面図、第３図は第２図における操
舵力制御装置を動力舵取装置に付設した場合を示
す概略断面図、第４図は操舵力制御バルブによる
車速に対する可変絞りの開口面積を示す特性図、
第５図および第６図は操舵角に対する油圧特性、
入力トルクに対する出力特性を示す特性図、第７
図ａ，ｂ，ｃないし第９図ａ，ｂ，ｃは据え切り
時、中速走行時、高速走行時において動力舵取装
置における流路切換弁でのバルブ変位に対する開
口面積特性、この流路切換弁と本考案による操舵
力制御バルブとの組合わせによるバルブ変位に対
する開口面積特性、およびこれら両バルブの組合
わせによるバルブ変位に対する油圧特性をそれぞ
れ示す特性図である。
１０…動力舵取装置におけるパワーステアリン
グ本体部、１１…操舵力制御装置、１２，１３…
入、出力軸、１４…トーシヨンバー、１６…回転
式流路切換弁、１６ａ〜１６ｄ…流路、１７…ロ
ータ、１８…スリーブ、１９…舵取りハンドル、
２０ａ，２０ｂ，２１ａ，２１ｂ…可変絞り、２
２，２３…油圧通路、３０…操舵力制御バルブ、
３１，３２…還流路、３３…車速センサ、３４…
コントローラ、３５，３６…左、右可変絞り、４
０…ソレノイド、４２…スリーブ、４３…スプー
ル、４４…可動軸部材、４５…通路孔、４６…タ
ンクに至る通路孔、Ｐ…ポンプ、Ｔ…タンク、Ｐ
Ｓ…パワーシリンダ、Ｃ１，Ｃ２…シリンダ左、
右室。
Fig. 1 is a hydraulic circuit diagram showing an embodiment of the steering force control device for a power steering device according to the present invention, and Fig. 2 is an enlarged cross-section of the main part showing the specific structure of the steering force control device that characterizes the present invention. 3 is a schematic cross-sectional view showing the case where the steering force control device in FIG. 2 is attached to a power steering device, and FIG. 4 is a characteristic diagram showing the opening area of the variable throttle with respect to vehicle speed by the steering force control valve.
Figures 5 and 6 show hydraulic characteristics with respect to steering angle,
Characteristic diagram showing output characteristics with respect to input torque, 7th
Figures a, b, c to Figure 9 a, b, and c show the opening area characteristics of the flow path switching valve in the power steering device with respect to valve displacement during stationary steering, medium speed driving, and high speed driving, and the flow path. FIG. 3 is a characteristic diagram showing opening area characteristics with respect to valve displacement due to a combination of a switching valve and a steering force control valve according to the present invention, and hydraulic characteristics with respect to valve displacement due to a combination of these two valves. DESCRIPTION OF SYMBOLS 10... Power steering main body part in a power steering device, 11... Steering force control device, 12, 13...
Input and output shafts, 14... Torsion bar, 16... Rotary flow path switching valve, 16a to 16d... Channel, 17... Rotor, 18... Sleeve, 19... Steering handle,
20a, 20b, 21a, 21b...variable aperture, 2
2, 23... Hydraulic passage, 30... Steering force control valve,
31, 32...Recirculation path, 33...Vehicle speed sensor, 34...
Controller, 35, 36...Left, right variable aperture, 4
0... Solenoid, 42... Sleeve, 43... Spool, 44... Movable shaft member, 45... Passage hole, 46... Passage hole leading to tank, P... Pump, T... Tank, P
S...Power cylinder, C1, C2...Cylinder left,
Right ventricle.
Claims (1)
舵取り操作に応じて選択的に供給する流路切換弁
を備えてなる動力舵取装置において、前記流路切
換弁からパワーシリンダ左、右室に至る油圧通路
の途中に、タンクに至る還流路をそれぞれ分岐さ
せて設けるとともに、これら各還流路を車輌の走
行条件に応じて開閉する左、右可変絞りを同期し
て可変制御する操舵力制御バルブを付設したこと
を特徴とする動力舵取装置の操舵力制御装置。 In a power steering device comprising a passage switching valve that selectively supplies pressurized oil from a pump to the left and right chambers of the power cylinder in accordance with a steering operation, the passage switching valve supplies the pressure oil to the left and right chambers of the power cylinder from the passage switching valve to the left and right chambers of the power cylinder. In the middle of the hydraulic passage leading to the tank, there are branched return passages leading to the tank, and a steering force control valve that synchronizes and variably controls the left and right variable throttles that open and close these return passages depending on the vehicle's driving conditions. A steering force control device for a power steering device, characterized in that it is equipped with a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989048858U JPH0741664Y2 (en) | 1989-04-27 | 1989-04-27 | Steering force control device for power steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989048858U JPH0741664Y2 (en) | 1989-04-27 | 1989-04-27 | Steering force control device for power steering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH038976U true JPH038976U (en) | 1991-01-28 |
| JPH0741664Y2 JPH0741664Y2 (en) | 1995-09-27 |
Family
ID=31566043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989048858U Expired - Lifetime JPH0741664Y2 (en) | 1989-04-27 | 1989-04-27 | Steering force control device for power steering device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0741664Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845933A (en) * | 2019-04-24 | 2020-10-30 | 奥迪股份公司 | Safe driving assistance method and device, computer equipment and storage medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62265078A (en) * | 1986-05-12 | 1987-11-17 | Nissan Motor Co Ltd | Hydraulic controller for power steering |
-
1989
- 1989-04-27 JP JP1989048858U patent/JPH0741664Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62265078A (en) * | 1986-05-12 | 1987-11-17 | Nissan Motor Co Ltd | Hydraulic controller for power steering |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111845933A (en) * | 2019-04-24 | 2020-10-30 | 奥迪股份公司 | Safe driving assistance method and device, computer equipment and storage medium |
| CN111845933B (en) * | 2019-04-24 | 2023-01-10 | 奥迪股份公司 | Safe driving assistance method and device, computer equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0741664Y2 (en) | 1995-09-27 |
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