JPH0338275U - - Google Patents
Info
- Publication number
- JPH0338275U JPH0338275U JP9928489U JP9928489U JPH0338275U JP H0338275 U JPH0338275 U JP H0338275U JP 9928489 U JP9928489 U JP 9928489U JP 9928489 U JP9928489 U JP 9928489U JP H0338275 U JPH0338275 U JP H0338275U
- Authority
- JP
- Japan
- Prior art keywords
- cooling pipe
- pipe section
- reserve tank
- power cylinder
- section
- 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
- 238000001816 cooling Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
図面はこの考案の一実施例を示し、第1図は車
両のパワーステアリング装置を示す系統図、第2
図はパワーステアリング装置の他の実施例を示す
系統図、第3図はパワーステアリング装置のさら
に他の実施例を示す系統図である。
7……パワーシリンダ、22……リザーブタン
ク、23……ベーンポンプ、25……切換えバル
ブ、29……リターン通路、30……クーリング
パイプ部、31……バイパス部、33……方向制
御弁、34……温度センサ、35……コントロー
ラ、37……圧力センサ、39……方向制御弁。
The drawings show one embodiment of this invention, and FIG. 1 is a system diagram showing a power steering device for a vehicle, and FIG.
The figure is a system diagram showing another embodiment of the power steering device, and FIG. 3 is a system diagram showing still another embodiment of the power steering device. 7... Power cylinder, 22... Reserve tank, 23... Vane pump, 25... Switching valve, 29... Return passage, 30... Cooling pipe section, 31... Bypass section, 33... Directional control valve, 34 ... Temperature sensor, 35 ... Controller, 37 ... Pressure sensor, 39 ... Direction control valve.
Claims (1)
動油を切換えバルブを介してパワーシリンダへ供
給し、上記パワーシリンダから送出された作動油
を上記リザーブタンクへ返送する車両のパワース
テアリング装置であつて、 上記パワーシリンダから上記リザーブタンクへ
のリターン通路にクーリングパイプ部と、該クー
リングパイプ部をバイパスするバイパス部とを設
け、 上記リターン通路には、該リターン通路内の圧
力に応じて高圧時には上記バイパス部を選択し、
低圧時には上記クーリングパイプ部を選択する選
択手段を設けた 車両のパワーステアリング装置。[Scope of Claim for Utility Model Registration] Power steering for a vehicle in which hydraulic oil pumped from a reserve tank by a pump is supplied to a power cylinder via a switching valve, and hydraulic oil sent from the power cylinder is returned to the reserve tank. The device includes a cooling pipe section and a bypass section that bypasses the cooling pipe section in a return passage from the power cylinder to the reserve tank, and the return passage is provided with a cooling pipe section that bypasses the cooling pipe section. At high pressure, select the above bypass section,
A vehicle power steering device provided with a selection means for selecting the cooling pipe section when the pressure is low.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9928489U JPH0338275U (en) | 1989-08-25 | 1989-08-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9928489U JPH0338275U (en) | 1989-08-25 | 1989-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0338275U true JPH0338275U (en) | 1991-04-12 |
Family
ID=31648343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9928489U Pending JPH0338275U (en) | 1989-08-25 | 1989-08-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0338275U (en) |
-
1989
- 1989-08-25 JP JP9928489U patent/JPH0338275U/ja active Pending