JPH01168308U - - Google Patents
Info
- Publication number
- JPH01168308U JPH01168308U JP6661488U JP6661488U JPH01168308U JP H01168308 U JPH01168308 U JP H01168308U JP 6661488 U JP6661488 U JP 6661488U JP 6661488 U JP6661488 U JP 6661488U JP H01168308 U JPH01168308 U JP H01168308U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- control valve
- output circuit
- pressure control
- side member
- 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
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 2
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図は本考案実施例のサスペンシヨンユニツ
トを示す全体図、第２図は実施例のサスペンシヨ
ンユニツトにおける可変オリフイスのパイロツト
液圧（供給液圧）と通路断面積との関係を示すグ
ラフである。
１…液圧供給回路、２…ドレーン回路、３…圧
力制御弁、４…出力回路、４ａ…アキユムレータ
、５…コントローラ、６…車高調整アクチユエー
タ、７…可変オリフイス、１０１…車体側部材、
１０２…車軸側部材、ＳＰ…供給液圧、ＰＰ…パ
イロツト液圧、ＯＰ…出力液圧、ｃｉ…制御信号
。
Fig. 1 is an overall view showing the suspension unit according to the embodiment of the present invention, and Fig. 2 is a graph showing the relationship between the pilot fluid pressure (supply fluid pressure) of the variable orifice and the cross-sectional area of the passage in the suspension unit of the embodiment. be. DESCRIPTION OF SYMBOLS 1... Hydraulic pressure supply circuit, 2... Drain circuit, 3... Pressure control valve, 4... Output circuit, 4a... Accumulator, 5... Controller, 6... Vehicle height adjustment actuator, 7... Variable orifice, 101... Vehicle body side member,
102... Axle side member, SP... Supply hydraulic pressure, PP... Pilot hydraulic pressure, OP... Output hydraulic pressure, ci... Control signal.
Claims (1)
部の流体液圧に応じて車高変化可能に形成された
アクチユエータと、 該アクチユエータに出力回路を介して接続され
、出力回路への液圧をコントローラからの制御信
号に基づき変化させることが可能な圧力制御弁と
、 前記出力回路の途中に設けられ、液圧吸収可能
に形成されたアキユムレータと、 該アキユムレータと圧力制御弁との間の出力回
路に設けられ、前記圧力制御弁の液圧供給側の圧
力をパイロツト圧とし、供給液圧が所定圧より低
くなると流量を絞るよう形成された可変オリフイ
スと、 を備えていることを特徴とするサスペンシヨンユ
ニツト。[Scope of Claim for Utility Model Registration] An actuator that is interposed between an axle side member and a vehicle body side member and is formed to be able to change the vehicle height according to internal fluid pressure; a pressure control valve connected to the output circuit and capable of changing the hydraulic pressure to the output circuit based on a control signal from the controller; an accumulator provided in the middle of the output circuit and formed to be able to absorb hydraulic pressure; and the accumulator. and a variable orifice provided in an output circuit between the pressure control valve and the pressure control valve, the variable orifice being formed so as to set the pressure on the liquid pressure supply side of the pressure control valve as a pilot pressure and to throttle the flow rate when the supply liquid pressure becomes lower than a predetermined pressure; A suspension unit characterized by being equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6661488U JPH0629047Y2 (en) | 1988-05-20 | 1988-05-20 | Suspension unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6661488U JPH0629047Y2 (en) | 1988-05-20 | 1988-05-20 | Suspension unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01168308U true JPH01168308U (en) | 1989-11-28 |
| JPH0629047Y2 JPH0629047Y2 (en) | 1994-08-10 |
Family
ID=31292013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6661488U Expired - Lifetime JPH0629047Y2 (en) | 1988-05-20 | 1988-05-20 | Suspension unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629047Y2 (en) |
-
1988
- 1988-05-20 JP JP6661488U patent/JPH0629047Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0629047Y2 (en) | 1994-08-10 |