JPH02142378U - - Google Patents
Info
- Publication number
- JPH02142378U JPH02142378U JP5057389U JP5057389U JPH02142378U JP H02142378 U JPH02142378 U JP H02142378U JP 5057389 U JP5057389 U JP 5057389U JP 5057389 U JP5057389 U JP 5057389U JP H02142378 U JPH02142378 U JP H02142378U
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- hydraulic
- flow
- reaction
- supply
- 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
- 239000012530 fluid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Steering Control In Accordance With Driving Conditions (AREA)
Description
第１図は本考案の一実施例を示す車両用パワー
ステアリング装置の全体構成図、第２図は第１図
の２−２線に沿う断面図、第３図は第１図に示し
た油圧ポンプの性能線図、第４図は第１図に示し
た装置によつて得られる特性線図である。
符号の説明、Ａ……給排制御弁、Ｂ……油圧反
力機構、Ｂ１……反力油室、Ｃ……パワーシリン
ダ、Ｅ……エンジン、Ｐ……油圧ポンプ、Ｒ……
リザーバ、Ｖ１……分流制御弁、１０……ハンド
ル、２５……反力油路、２６……リターン油路、
４２ａ……固定オリフイス。
Fig. 1 is an overall configuration diagram of a power steering device for a vehicle showing an embodiment of the present invention, Fig. 2 is a sectional view taken along line 2-2 in Fig. 1, and Fig. 3 is a diagram showing the hydraulic pressure shown in Fig. 1. The performance diagram of the pump, FIG. 4, is a characteristic diagram obtained by the apparatus shown in FIG. Explanation of symbols, A...Supply/discharge control valve, B...Hydraulic reaction force mechanism, B1...Reaction force oil chamber, C...Power cylinder, E...Engine, P...Hydraulic pump, R...
Reservoir, V1... Diversion control valve, 10... Handle, 25... Reaction oil path, 26... Return oil path,
42a...Fixed orifice.
Claims (1)
テアリング装置において、エンジンによつて回転
駆動されて同エンジンの回転数に応じて吐出量を
増大させる油圧ポンプとこの油圧ポンプから供給
される圧油を操舵トルクに応じてパワーシリンダ
に給排する給排制御弁との間に、流体圧に応じて
作動して流入流量が設定値以下のとき全流量を前
記給排制御弁に供給しまた流入流量が設定値を越
えたときにはその流量の増大に応じてその流量の
一部を前記油圧反力機構の反力油室に向けて供給
する分流制御弁を設けるとともに、この分流制御
弁と前記反力油室間の反力回路をリザーバに接続
するリターン回路に固定絞りを設けたことを特徴
とする油圧反力型パワーステアリング装置。 A hydraulic reaction force type power steering device equipped with a hydraulic reaction force mechanism includes a hydraulic pump that is rotationally driven by an engine and increases the discharge amount according to the rotation speed of the engine, and pressure oil supplied from this hydraulic pump. and a supply/discharge control valve that supplies and discharges the water to the power cylinder according to the steering torque, and operates according to fluid pressure to supply the entire flow to the supply/discharge control valve when the inflow flow is less than a set value. When the flow rate exceeds a set value, a flow control valve is provided which supplies a part of the flow rate to the reaction oil chamber of the hydraulic reaction mechanism in accordance with the increase in flow rate, and the flow control valve and the reaction oil chamber are connected to each other. A hydraulic reaction force type power steering device characterized in that a fixed throttle is provided in a return circuit that connects a reaction circuit between power oil chambers to a reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5057389U JPH02142378U (en) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5057389U JPH02142378U (en) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02142378U true JPH02142378U (en) | 1990-12-03 |
Family
ID=31569233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5057389U Pending JPH02142378U (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02142378U (en) |
-
1989
- 1989-04-28 JP JP5057389U patent/JPH02142378U/ja active Pending
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