JPS58152458U - power steering device - Google Patents
power steering deviceInfo
- Publication number
- JPS58152458U JPS58152458U JP4957082U JP4957082U JPS58152458U JP S58152458 U JPS58152458 U JP S58152458U JP 4957082 U JP4957082 U JP 4957082U JP 4957082 U JP4957082 U JP 4957082U JP S58152458 U JPS58152458 U JP S58152458U
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- power
- control circuit
- steering
- steering device
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のパワーステアリング装置を示す概念的構
成図、第２図はこの考案の一実施例を示す概念的構成図
、第３図は気温に応じたバイパス流量と車速との関係を
示すグラフ図、第４図はこの考案の第２の実施例を示す
概念的構成図、第５図はこの考案の第３の実施例を示す
概念的構成図である。
１・・・・・・定流量ポンプ、２・・・・・・供給管路
、３・・・・・・バイパス管路、４・・・・・・流量制
御弁（流量制御装置）、５・・・・・・サーボモータ、
６・・・・・・戻り管路、７・・・・・・可変オリフィ
ス部、８・・・・・・サーボ弁部、９・・・・・・車速
センサ、１０・・曲ステアリングホイール、１１・・・
・・・制御回路、１２・・・・・・外気温度検出器、１
５・・・・・・液圧制御弁（流量ＩＩ＋御装置）、１８
・・・・・・転舵角度センサ、２０・・・・・・液圧モ
ータ、２１・・・・・・液圧反動室、２２・・・・・・
反力制御弁、３０・・・・・・パワーシリンダ。Fig. 1 is a conceptual block diagram showing a conventional power steering device, Fig. 2 is a conceptual block diagram showing an embodiment of this invention, and Fig. 3 shows the relationship between bypass flow rate and vehicle speed depending on the temperature. The graph diagram and FIG. 4 are conceptual diagrams showing a second embodiment of this invention, and FIG. 5 is a conceptual diagram showing a third embodiment of this invention. DESCRIPTION OF SYMBOLS 1... Constant flow pump, 2... Supply pipe line, 3... Bypass pipe line, 4... Flow rate control valve (flow rate control device), 5 ······Servomotor,
6... Return pipe line, 7... Variable orifice section, 8... Servo valve section, 9... Vehicle speed sensor, 10... Curved steering wheel, 11...
...Control circuit, 12...Outside air temperature detector, 1
5...Liquid pressure control valve (flow rate II + control device), 18
...... Steering angle sensor, 20... Hydraulic pressure motor, 21... Hydraulic pressure reaction chamber, 22...
Reaction force control valve, 30...Power cylinder.
Claims (1)
有し、かつ、左右の操舵輪に連絡するパワーシリンダと
、このパワーシリンダに前記サーボ弁部を介して作動液
を供給する定流量ポンプと、制御回路からの電流に応じ
て前記作動液の一部を分流する流量制御装置とを備え、
前記パワーシリンダで舵取方向の動力補助を行なうよう
にしたパワーステアリング装置において、前記制御回路
に、外気の温度を検出し、かつ、その温度が所定値以下
のときに、前記流量制御装置の分流量を増加させるよう
に前記制御回路からの電流を制御する信号を出力する外
気温度検出器を接続して設けたことを特徴とするパワー
ステアリング装置。a power cylinder having an open center type servo valve that responds to a steering operation and communicating with left and right steering wheels; a constant flow pump that supplies working fluid to the power cylinder via the servo valve; , a flow rate control device that diverts a portion of the working fluid according to the current from the control circuit,
In the power steering device in which the power cylinder provides power assistance in the steering direction, the control circuit detects the temperature of the outside air and, when the temperature is below a predetermined value, controls the flow rate control device. A power steering device, characterized in that it is connected to and provided with an outside temperature detector that outputs a signal for controlling the current from the control circuit so as to increase the flow rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4957082U JPS58152458U (en) | 1982-04-06 | 1982-04-06 | power steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4957082U JPS58152458U (en) | 1982-04-06 | 1982-04-06 | power steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58152458U true JPS58152458U (en) | 1983-10-12 |
Family
ID=30060415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4957082U Pending JPS58152458U (en) | 1982-04-06 | 1982-04-06 | power steering device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58152458U (en) |
-
1982
- 1982-04-06 JP JP4957082U patent/JPS58152458U/en active Pending
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