JPH0456579U - - Google Patents
Info
- Publication number
- JPH0456579U JPH0456579U JP10002490U JP10002490U JPH0456579U JP H0456579 U JPH0456579 U JP H0456579U JP 10002490 U JP10002490 U JP 10002490U JP 10002490 U JP10002490 U JP 10002490U JP H0456579 U JPH0456579 U JP H0456579U
- Authority
- JP
- Japan
- Prior art keywords
- power cylinder
- main power
- pressure chamber
- pressure
- auxiliary power
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例に係る動力舵取装置
を簡略化して示す図、第２図および第３図はそれ
ぞれ第２の実施例の非作動時および作動時を示す
図である。
４，６……切換弁、８……補助パワーシリンダ
、８ａ，８ｂ……補助パワーシリンダの圧力室、
１２……コントロールバルブ、１４……主パワー
シリンダ、１４ａ，１４ｂ……主パワーシリンダ
の圧力室、１６……オイルポンプ、１８……タン
ク、２０，２２……通路。
FIG. 1 is a simplified view of a power steering device according to an embodiment of the present invention, and FIGS. 2 and 3 are diagrams showing the second embodiment when it is not in operation and when it is in operation, respectively. 4, 6...Switching valve, 8...Auxiliary power cylinder, 8a, 8b...Auxiliary power cylinder pressure chamber,
12... Control valve, 14... Main power cylinder, 14a, 14b... Pressure chamber of main power cylinder, 16... Oil pump, 18... Tank, 20, 22... Passage.
Claims (1)
るコントロールバルブと、このコントロールバル
ブの作動時に、２つの圧力室がオイルポンプとタ
ンクにそれぞれ接続される主パワーシリンダと、
この主パワーシリンダの各圧力室に２つの圧力室
がそれぞれ連通される補助パワーシリンダとを備
えた動力舵取装置において、主パワーシリンダと
補助パワーシリンダの各圧力室をそれぞれ連通す
る通路内に、主パワーシリンダの作動圧が設定値
以上のときに作動する切換弁を設け、この切換弁
の非作動時には、補助パワーシリンダの両圧力室
を主パワーシリンダの圧力室から遮断してタンク
に接続し、作動時には、主パワーシリンダのオイ
ルポンプに接続された圧力室と補助パワーシリン
ダの圧力室とを接続することを特徴とする動力舵
取装置。 A control valve that is switched and operated by rotation of a steering handle, and a main power cylinder that has two pressure chambers connected to an oil pump and a tank, respectively, when the control valve is operated.
In a power steering device including an auxiliary power cylinder in which two pressure chambers are communicated with each pressure chamber of the main power cylinder, in a passage that communicates each pressure chamber of the main power cylinder and the auxiliary power cylinder, A switching valve is provided that operates when the operating pressure of the main power cylinder exceeds a set value, and when this switching valve is not operating, both pressure chambers of the auxiliary power cylinder are isolated from the pressure chamber of the main power cylinder and connected to the tank. A power steering device characterized in that, during operation, a pressure chamber connected to an oil pump of a main power cylinder and a pressure chamber of an auxiliary power cylinder are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990100024U JP2531790Y2 (en) | 1990-09-25 | 1990-09-25 | Power steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990100024U JP2531790Y2 (en) | 1990-09-25 | 1990-09-25 | Power steering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0456579U true JPH0456579U (en) | 1992-05-14 |
| JP2531790Y2 JP2531790Y2 (en) | 1997-04-09 |
Family
ID=31842368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990100024U Expired - Lifetime JP2531790Y2 (en) | 1990-09-25 | 1990-09-25 | Power steering device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531790Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60206778A (en) * | 1984-03-30 | 1985-10-18 | Hino Motors Ltd | Car steering system |
| JPH01168573A (en) * | 1987-12-23 | 1989-07-04 | Hino Motors Ltd | Power steering |
-
1990
- 1990-09-25 JP JP1990100024U patent/JP2531790Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60206778A (en) * | 1984-03-30 | 1985-10-18 | Hino Motors Ltd | Car steering system |
| JPH01168573A (en) * | 1987-12-23 | 1989-07-04 | Hino Motors Ltd | Power steering |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2531790Y2 (en) | 1997-04-09 |