JPH0456505U - - Google Patents
Info
- Publication number
- JPH0456505U JPH0456505U JP10072090U JP10072090U JPH0456505U JP H0456505 U JPH0456505 U JP H0456505U JP 10072090 U JP10072090 U JP 10072090U JP 10072090 U JP10072090 U JP 10072090U JP H0456505 U JPH0456505 U JP H0456505U
- Authority
- JP
- Japan
- Prior art keywords
- port
- accumulator
- hydraulic
- actuator
- control valve
- 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
- 239000000725 suspension Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Vehicle Body Suspensions (AREA)
Description
第１図は、本考案が適用された能動型懸架装置
の要部構成図である。第２図〜第４図は、油圧制
御弁の模式的な構造図であり、第２図は油圧アク
チユエータ伸長方向作動時の連通状態を示し、第
３図は油圧平衡時の連通状態を示し、第４図は油
圧アクチユエータ収縮方向作動時の連通状態を示
す。第５図〜第７図は、油圧制御弁の別の実施例
を示す第２図〜第４図に対応する模式的な構造図
である。第８図ならびに第９図は、油圧制御弁の
別の実施例のアクチユエータポートおよびアキユ
ムレータポート部分の模式的な断面図である。
１……車輪、２，３……サスペンシヨンアーム
、４……車体、５……圧縮コイルばね、６……油
圧アクチユエータ、７……ピストン下室、８……
可変容量型ポンプ、９……ピストン上室、１０…
…圧力制御弁、１１ａ，１１ｂ……受圧面、１２
……ピストンロツド、１３……リリーフ弁、１４
……ポンプポート、１５……アクチユエータポー
ト、１６……オイルリザーバタンク、１７……タ
ンクポート、１８……アキユムレータ、１９……
アキユムレータポート、２０……減圧弁、２１…
…メインアキユムレータ、３１……弁室、３２，
４１……スプール弁体、３３……ソレノイド装置
、３４……コイルばね、３５……背圧通路、３６
……背圧室、３７，３８，４２……ランド部。
FIG. 1 is a diagram showing the main parts of an active suspension system to which the present invention is applied. 2 to 4 are schematic structural diagrams of the hydraulic control valve, FIG. 2 shows the communication state when the hydraulic actuator is operated in the extension direction, and FIG. 3 shows the communication state when the hydraulic pressure is balanced, FIG. 4 shows the communication state when the hydraulic actuator is operated in the contraction direction. 5 to 7 are schematic structural diagrams corresponding to FIGS. 2 to 4 showing another embodiment of the hydraulic control valve. 8 and 9 are schematic cross-sectional views of the actuator port and accumulator port portions of another embodiment of the hydraulic control valve. DESCRIPTION OF SYMBOLS 1... Wheel, 2, 3... Suspension arm, 4... Vehicle body, 5... Compression coil spring, 6... Hydraulic actuator, 7... Piston lower chamber, 8...
Variable displacement pump, 9... piston upper chamber, 10...
...Pressure control valve, 11a, 11b...Pressure receiving surface, 12
... Piston rod, 13 ... Relief valve, 14
... Pump port, 15 ... Actuator port, 16 ... Oil reservoir tank, 17 ... Tank port, 18 ... Accumulator, 19 ...
Accumulator port, 20...Reducing valve, 21...
...Main accumulator, 31...Valve chamber, 32,
41...Spool valve body, 33...Solenoid device, 34...Coil spring, 35...Back pressure passage, 36
... Back pressure chamber, 37, 38, 42 ... Land portion.
Claims (1)
の油圧アクチユエータと、油圧アクチユエータの
作動を制御するための制御弁と、油圧アクチユエ
ータの内圧の変動を吸収するためのアキユムレー
タとを有する能動型懸架装置のための油圧制御装
置であつて、 上記制御弁が、ポンプに接続されるポンプポー
トと、オイルタンクに接続されるタンクポートと
、油圧アクチユエータの油圧室に接続されるアク
チユエータポートと、アキユムレータに接続され
るアキユムレータポートとを有し、 前記アキユムレータポートが、ポンプポートと
アクチユエータポートとの間が連通すると他との
連通を断たれる位置に設けられることを特徴とす
る能動型懸架装置のための油圧制御装置。[Claims for Utility Model Registration] A hydraulic actuator for changing the relative distance between the wheels and the vehicle body, a control valve for controlling the operation of the hydraulic actuator, and a control valve for absorbing fluctuations in the internal pressure of the hydraulic actuator. A hydraulic control device for an active suspension system having an accumulator, wherein the control valve is connected to a pump port connected to a pump, a tank port connected to an oil tank, and a hydraulic chamber of a hydraulic actuator. an actuator port connected to an accumulator port, and an accumulator port connected to an accumulator port, and the accumulator port is located at a position where communication with other parts is cut off when communication between the pump port and the actuator port is established. A hydraulic control device for an active suspension system, characterized in that it is provided in a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10072090U JPH0751365Y2 (en) | 1990-09-25 | 1990-09-25 | Hydraulic controller for active suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10072090U JPH0751365Y2 (en) | 1990-09-25 | 1990-09-25 | Hydraulic controller for active suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0456505U true JPH0456505U (en) | 1992-05-14 |
| JPH0751365Y2 JPH0751365Y2 (en) | 1995-11-22 |
Family
ID=31843576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10072090U Expired - Lifetime JPH0751365Y2 (en) | 1990-09-25 | 1990-09-25 | Hydraulic controller for active suspension |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0751365Y2 (en) |
-
1990
- 1990-09-25 JP JP10072090U patent/JPH0751365Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0751365Y2 (en) | 1995-11-22 |
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