JPS63179278U - - Google Patents
Info
- Publication number
- JPS63179278U JPS63179278U JP7069587U JP7069587U JPS63179278U JP S63179278 U JPS63179278 U JP S63179278U JP 7069587 U JP7069587 U JP 7069587U JP 7069587 U JP7069587 U JP 7069587U JP S63179278 U JPS63179278 U JP S63179278U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- reaction chamber
- oil
- oil tank
- hydraulic reaction
- 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
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
図面は本考案の一実施例を示すもので、第１図
は全体油圧回路図、第２図は操舵力特性線図であ
る。
２……パワーシリンダ、４，５……油圧室、１
０……操向軸、１２……切換弁、２０……作動油
圧源、２１……給油路、２３……油タンク、２４
……排油路、２６……油圧反動室、４８……可変
絞り、４９，５２……固定絞り、５０……切換制
御弁。
The drawings show an embodiment of the present invention, and FIG. 1 is an overall hydraulic circuit diagram, and FIG. 2 is a steering force characteristic diagram. 2...Power cylinder, 4, 5...Hydraulic chamber, 1
0...Steering axis, 12...Switching valve, 20...Operating hydraulic pressure source, 21...Oil supply path, 23...Oil tank, 24
...Drainage path, 26...Hydraulic reaction chamber, 48...Variable throttle, 49, 52...Fixed throttle, 50...Switching control valve.
Claims (1)
なる排油路と、パワーシリンダの一対の油圧室と
を選択的に切換えて接続すべく操向軸に連動、連
結される切換弁と；該切換弁をその中立位置側に
付勢するための油圧反動室と；開口面積を可変に
して油圧反動室および給油路間に介装される可変
絞りと：油タンクおよび油圧反動室間に介装され
る固定絞りと；を含む車両用油圧式パワーステア
リング装置において、油タンクおよび油圧反動室
間には、相互に並列な複数の固定絞りと、それら
の固定絞りの連通および遮断状態の組合わせを切
換える切換制御弁とが設けられることを特徴とす
る車両用油圧式パワーステアリング装置。 a switching valve interlocked and connected to a steering shaft to selectively switch and connect an oil supply path connected to a working hydraulic pressure source and an oil drain path connected to an oil tank, and a pair of hydraulic chambers of a power cylinder; A hydraulic reaction chamber for biasing the oil to its neutral position; A variable throttle whose opening area is variable and is interposed between the hydraulic reaction chamber and the oil supply passage; A variable throttle is interposed between the oil tank and the hydraulic reaction chamber. In a hydraulic power steering system for a vehicle that includes a fixed throttle; a plurality of fixed throttles arranged in parallel between the oil tank and the hydraulic reaction chamber; and a switch for switching the combination of open and closed states of the fixed throttles. A hydraulic power steering device for a vehicle, characterized in that a control valve is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7069587U JPS63179278U (en) | 1987-05-12 | 1987-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7069587U JPS63179278U (en) | 1987-05-12 | 1987-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63179278U true JPS63179278U (en) | 1988-11-21 |
Family
ID=30912564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7069587U Pending JPS63179278U (en) | 1987-05-12 | 1987-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63179278U (en) |
-
1987
- 1987-05-12 JP JP7069587U patent/JPS63179278U/ja active Pending