JPH0280013U - - Google Patents
Info
- Publication number
- JPH0280013U JPH0280013U JP15969588U JP15969588U JPH0280013U JP H0280013 U JPH0280013 U JP H0280013U JP 15969588 U JP15969588 U JP 15969588U JP 15969588 U JP15969588 U JP 15969588U JP H0280013 U JPH0280013 U JP H0280013U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- state
- hydraulic actuator
- switching means
- ignition switch
- 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
Description
第１図は本考案実施例による車両用サスペンシ
ヨン装置の記号回路図、第２図は第１図に示した
油圧回路に用いられる駆動制御部を示すブロツク
図、第３図は第２図に示した駆動制御部の特性を
示す線図、第４図は第２図に示した駆動制御部に
おける一作用を説明するためのフローチヤート、
第５図は第１図に示した本考案実施例によるサス
ペンシヨン装置における車高変化の状態を説明す
るための線図、第６図は車両用サスペンシヨン装
置の一例を示す油圧制御用の記号回路図、第７図
は第６図に示した回路に用いられる制御弁の構造
を示す組み合わせ回路図、第８図は第６図に示し
た制御バルブの特性を説明するための線図である
。
１…オイルポンプ、１Ａ…油圧センサ、２…油
圧アクチユエータ、３…油路、３Ａ…バイパス通
路、７…制御バルブを成す油圧制御弁、７Ａ…リ
ターン路、７Ｂ…バイパス路、９…リザーバ、１
０…切換弁、１１…制御部、１２…絞り弁、１１
１…イグニツシヨンスイツチ。
FIG. 1 is a symbolic circuit diagram of a vehicle suspension device according to an embodiment of the present invention, FIG. 2 is a block diagram showing a drive control section used in the hydraulic circuit shown in FIG. 1, and FIG. FIG. 4 is a flowchart for explaining an action in the drive control section shown in FIG. 2;
FIG. 5 is a diagram for explaining the vehicle height change state in the suspension device according to the embodiment of the present invention shown in FIG. 1, and FIG. 6 is a symbol for hydraulic control showing an example of the vehicle suspension device. The circuit diagram, FIG. 7 is a combination circuit diagram showing the structure of the control valve used in the circuit shown in FIG. 6, and FIG. 8 is a diagram for explaining the characteristics of the control valve shown in FIG. 6. . DESCRIPTION OF SYMBOLS 1...Oil pump, 1A...Hydraulic pressure sensor, 2...Hydraulic actuator, 3...Oil path, 3A...Bypass passage, 7...Hydraulic control valve forming a control valve, 7A...Return path, 7B...Bypass path, 9...Reservoir, 1
0...Switching valve, 11...Control unit, 12...Throttle valve, 11
1...Ignition switch.
Claims (1)
ている制御バルブの作動により、上記油圧アクチ
ユエータへの油圧の給排状態を制御することで車
高を制御する油圧サスペンシヨンにおいて、 上記油圧アクチユエータに対する油圧回路中の
リターン系路にそのリターン系路を中断する態位
と、そのリターン系路をリザーバに連通する態位
とに選択される切換手段と、 上記切換手段の上流、下流側にそれぞれ端末を
連結されたバイパス路中に設けられている絞り手
段と、 上記切換手段の駆動部として設けられていて、
イグニツシヨンスイツチの操作状態により、イグ
ニツシヨンスイツチがオフ操作された時点に、上
記切換手段を中断態位にして、上記リターン系路
を絞り手段による流量規制状態に設定する駆動制
御手段と を備えて成る車両用サスペンシヨン装置。[Scope of Claim for Utility Model Registration] Hydraulic suspension that controls vehicle height by controlling the state of supply and discharge of hydraulic pressure to the hydraulic actuator by operating a control valve provided between the hydraulic actuator and the hydraulic power source. a switching means for selecting a position for interrupting the return line in a hydraulic circuit for the hydraulic actuator and a position for communicating the return line with the reservoir; and an upstream side of the switching unit. , a throttle means provided in a bypass passage whose terminals are connected to each other on the downstream side, and a drive portion of the switching means,
drive control means for setting the switching means to an interruption state and setting the return path to a flow rate regulation state by a throttling means when the ignition switch is turned off, depending on the operating state of the ignition switch; A vehicle suspension device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15969588U JPH0280013U (en) | 1988-12-08 | 1988-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15969588U JPH0280013U (en) | 1988-12-08 | 1988-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0280013U true JPH0280013U (en) | 1990-06-20 |
Family
ID=31441117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15969588U Pending JPH0280013U (en) | 1988-12-08 | 1988-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0280013U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60213513A (en) * | 1984-04-04 | 1985-10-25 | Mazda Motor Corp | Ground clearance adjuster of automobile |
| JPH0263910A (en) * | 1988-08-30 | 1990-03-05 | Kayaba Ind Co Ltd | Oil-hydraulic circuit for active suspension |
-
1988
- 1988-12-08 JP JP15969588U patent/JPH0280013U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60213513A (en) * | 1984-04-04 | 1985-10-25 | Mazda Motor Corp | Ground clearance adjuster of automobile |
| JPH0263910A (en) * | 1988-08-30 | 1990-03-05 | Kayaba Ind Co Ltd | Oil-hydraulic circuit for active suspension |
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