JPS6432272U - - Google Patents
Info
- Publication number
- JPS6432272U JPS6432272U JP12687787U JP12687787U JPS6432272U JP S6432272 U JPS6432272 U JP S6432272U JP 12687787 U JP12687787 U JP 12687787U JP 12687787 U JP12687787 U JP 12687787U JP S6432272 U JPS6432272 U JP S6432272U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- discharged
- hydraulic pressure
- power steering
- flow rate
- 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
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図は本考案の一実施例を示し、パワーステ
アリング装置用作動油供給装置の構成を示す油圧
回路図である。
１……内燃エンジン、２……メインポンプ（第
１のポンプ）、３……パイロツト油圧用（第３の
）ポンプ、４……エマージエンシ（第２の）ポン
プ、５……車輪、１０……オイルタンク、１５…
…切換弁、２０……流量調整弁、３０……パワー
ステアリング装置。
FIG. 1 shows an embodiment of the present invention, and is a hydraulic circuit diagram showing the configuration of a hydraulic oil supply device for a power steering device. DESCRIPTION OF SYMBOLS 1... Internal combustion engine, 2... Main pump (first pump), 3... Pilot hydraulic pressure (third) pump, 4... Emergency (second) pump, 5... Wheels, 10... Oil tank, 15...
...Switching valve, 20...Flow rate adjustment valve, 30...Power steering device.
Claims (1)
びパイロツト油圧用第３のポンプと、車輪の回転
力により駆動される第２のポンプと、前記第３の
ポンプが吐出するパイロツト油圧に応動する切換
弁と、該切換弁の下流に接続され作動油量を調整
する流量調整弁とを有し、前記切換弁は、前記第
１のポンプ及びパイロツト油圧用第３のポンプが
正常に作動しているとき、前記第１のポンプが吐
出する作動油を前記流量調整弁を介してパワース
テアリング装置に供給する一方、前記第２のポン
プが吐出する作動油をドレン側に排出し、前記第
１のポンプ及びパイロツト油圧用第３のポンプが
作動不能のとき、前記第２のポンプが吐出する作
動油を前記流量調整弁を介してパワーステアリン
グ装置に供給することを特徴とするパワーステア
リング装置用作動油供給装置。 A first pump and a third pump for pilot hydraulic pressure both driven by the internal combustion engine, a second pump driven by the rotational force of the wheels, and a switching valve responsive to the pilot hydraulic pressure discharged by the third pump. and a flow rate adjustment valve that is connected downstream of the switching valve and adjusts the amount of hydraulic oil, and the switching valve is configured to operate normally when the first pump and the third pump for pilot hydraulic pressure are operating normally. , the hydraulic fluid discharged by the first pump is supplied to the power steering device via the flow rate adjustment valve, while the hydraulic fluid discharged by the second pump is discharged to the drain side, and the hydraulic fluid discharged by the first pump and A hydraulic oil supply device for a power steering device, characterized in that when the third pump for pilot hydraulic pressure is inoperable, the hydraulic oil discharged by the second pump is supplied to the power steering device via the flow rate adjustment valve. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12687787U JPS6432272U (en) | 1987-08-20 | 1987-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12687787U JPS6432272U (en) | 1987-08-20 | 1987-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6432272U true JPS6432272U (en) | 1989-02-28 |
Family
ID=31378796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12687787U Pending JPS6432272U (en) | 1987-08-20 | 1987-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6432272U (en) |
-
1987
- 1987-08-20 JP JP12687787U patent/JPS6432272U/ja active Pending