JPH043810U - - Google Patents
Info
- Publication number
- JPH043810U JPH043810U JP4475890U JP4475890U JPH043810U JP H043810 U JPH043810 U JP H043810U JP 4475890 U JP4475890 U JP 4475890U JP 4475890 U JP4475890 U JP 4475890U JP H043810 U JPH043810 U JP H043810U
- Authority
- JP
- Japan
- Prior art keywords
- supply device
- fluid
- pressure
- fluid supply
- active suspension
- 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
- 239000012530 fluid Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Vehicle Body Suspensions (AREA)
Description
第１図はこの考案の一実施例を示す系統図、第
２図はこの考案に適用し得るパイロツト操作形逆
止弁の一例を示す断面図、第３図は圧力制御弁の
指令値に対する制御圧の関係を示す特性線図、第
４図は制御装置の一例を示すブロツク図、第５図
〜第７図は夫々制御装置における処理手順の一例
を示すフローチヤート、第８図はこの考案の動作
の説明に供するタイムチヤート、第９図はこの考
案の変形例を示す系統図である。
図中、ＦＳ……流体供給装置、１……油圧ポン
プ、２……エンジン、５……供給側配管、６……
フイルタ、７……オイルクーラ、８……戻り側配
管、１２……リターンアキユムレータ、１５……
流量調整機構、１６Ｆ……前輪用圧力保持部、１
６Ｒ……後輪用圧力保持部、１８ＦＬ〜１８ＲＲ
……圧力制御弁、１９……逆止弁、２０……パイ
ロツト操作形逆止弁、２３ＦＬ〜２３ＲＲ……油
圧シリンダ（流体シリンダ）、２７ＦＬ〜２７Ｒ
Ｒ……車高センサ、２８……車速センサ、２９…
…異常状態検出器、３０……制御装置、３１……
マイクロコンピユータ、５０Ｆ，５０Ｒ……レシ
ート圧可変機構である。
Fig. 1 is a system diagram showing an embodiment of this invention, Fig. 2 is a sectional view showing an example of a pilot operated check valve that can be applied to this invention, and Fig. 3 is a control for the command value of the pressure control valve. FIG. 4 is a block diagram showing an example of the control device, FIGS. 5 to 7 are flowcharts showing an example of the processing procedure in the control device, and FIG. A time chart for explaining the operation, and FIG. 9 is a system diagram showing a modification of this invention. In the figure, FS...Fluid supply device, 1...Hydraulic pump, 2...Engine, 5...Supply side piping, 6...
Filter, 7... Oil cooler, 8... Return side piping, 12... Return accumulator, 15...
Flow rate adjustment mechanism, 16F...Pressure holding part for front wheels, 1
6R...Rear wheel pressure holding part, 18FL to 18RR
...Pressure control valve, 19...Check valve, 20...Pilot operated check valve, 23FL to 23RR...Hydraulic cylinder (fluid cylinder), 27FL to 27R
R...Vehicle height sensor, 28...Vehicle speed sensor, 29...
...Abnormal state detector, 30...Control device, 31...
Microcomputer, 50F, 50R... Receipt pressure variable mechanism.
Claims (1)
と、該流体シリンダに供給される流体供給装置か
らの作動流体圧を制御する圧力制御弁と、前記各
制御弁及び流体供給装置間に介装され当該制御弁
の供給圧が所定圧力以下となつたときに制御弁側
を閉回路とする圧力保持部とを備えた能動型サス
ペンシヨンにおいて、前記圧力保持部と前記流体
供給装置との間の戻り側管部に１つのリターンア
キユムレータを接続したことを特徴とする能動型
サスペンシヨン。 A fluid cylinder interposed between each wheel and the vehicle body, a pressure control valve that controls the working fluid pressure from a fluid supply device supplied to the fluid cylinder, and an interposition between each of the control valves and the fluid supply device. between the pressure holding part and the fluid supply device; An active suspension characterized in that one return accumulator is connected to the return side pipe section of the active suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4475890U JPH043810U (en) | 1990-04-26 | 1990-04-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4475890U JPH043810U (en) | 1990-04-26 | 1990-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH043810U true JPH043810U (en) | 1992-01-14 |
Family
ID=31558340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4475890U Pending JPH043810U (en) | 1990-04-26 | 1990-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH043810U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0260812A (en) * | 1988-08-26 | 1990-03-01 | Mazda Motor Corp | Vehicle suspension device |
-
1990
- 1990-04-26 JP JP4475890U patent/JPH043810U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0260812A (en) * | 1988-08-26 | 1990-03-01 | Mazda Motor Corp | Vehicle suspension device |