JPH01116811U - - Google Patents

Info

Publication number
JPH01116811U
JPH01116811U JP1055288U JP1055288U JPH01116811U JP H01116811 U JPH01116811 U JP H01116811U JP 1055288 U JP1055288 U JP 1055288U JP 1055288 U JP1055288 U JP 1055288U JP H01116811 U JPH01116811 U JP H01116811U
Authority
JP
Japan
Prior art keywords
pressure
control valve
output port
valve
control
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
Application number
JP1055288U
Other languages
Japanese (ja)
Other versions
JPH0615287Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988010552U priority Critical patent/JPH0615287Y2/en
Priority to US07/302,252 priority patent/US5042832A/en
Publication of JPH01116811U publication Critical patent/JPH01116811U/ja
Application granted granted Critical
Publication of JPH0615287Y2 publication Critical patent/JPH0615287Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Vehicle Body Suspensions (AREA)
  • Fluid-Driven Valves (AREA)
  • Safety Valves (AREA)
  • Control Of Fluid Pressure (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す概略断面図
、第２図は第１図に示す圧力制御弁が適用された
車両用の能動サスペンシヨンの概略を示す構成図
、第３図は圧力制御弁の励磁電流Ｉｓ対制御圧Ｐ
ｃの静特性を示すグラフ、第４図は路面側からの
加振周波数に対する減衰定数の変化の一例を示す
グラフ、第５図は路面側からの加振周波数に対す
る位相の変化の一例を示すグラフである。 図中、１８は油圧源、２２は圧力制御弁、２２
Ｂは比例ソレノイド、２４は油圧シリンダ（アク
チユエータ）、４２は弁ハウジング、４６は隔壁
、４８はポペツト、５０は固定絞り、５２…メイ
ンスプール、５４ｓは供給ポート、５４ｒは戻り
ポート、５４ｃは出力ポート、Ｐｒｏはオリフイ
ス絞りである。 Fig. 1 is a schematic sectional view showing an embodiment of this invention, Fig. 2 is a block diagram schematically showing an active suspension for a vehicle to which the pressure control valve shown in Fig. 1 is applied, and Fig. 3 is a pressure control valve. Control valve excitation current I s vs. control pressure P
Fig. 4 is a graph showing an example of a change in the damping constant with respect to the excitation frequency from the road side, and Fig. 5 is a graph showing an example of a change in phase with respect to the excitation frequency from the road side. It is. In the figure, 18 is a hydraulic power source, 22 is a pressure control valve, 22
B is a proportional solenoid, 24 is a hydraulic cylinder (actuator), 42 is a valve housing, 46 is a partition wall, 48 is a poppet, 50 is a fixed throttle, 52...main spool, 54s is a supply port, 54r is a return port, 54c is an output port , Pro is an orifice aperture.

Claims (1)

【実用新案登録請求の範囲】 流体圧源側に接続された供給、戻りポート及び
アクチユエータ側に接続された出力ポートを有す
る３方スプール弁を備え、この３方スプール弁の
一方のスプール端部側にパイロツト圧を供給し、
他方のスプール端部側に前記出力ポートから出力
される制御圧をフイードバツク供給し、前記パイ
ロツト圧に応じて前記制御圧を制御するようにし
た圧力制御弁において、 前記戻りポート側に、作動流体の流量を制限す
る絞りを設けたことを特徴とする圧力制御弁。[Claims for Utility Model Registration] A three-way spool valve having supply and return ports connected to the fluid pressure source side and an output port connected to the actuator side, one spool end side of the three-way spool valve. supply pilot pressure to
In the pressure control valve, the control pressure outputted from the output port is fed back to the other spool end side, and the control pressure is controlled according to the pilot pressure. A pressure control valve characterized by being provided with a restriction that limits the flow rate.
JP1988010552U 1988-01-29 1988-01-29 Pressure control valve for active suspension Expired - Lifetime JPH0615287Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1988010552U JPH0615287Y2 (en) 1988-01-29 1988-01-29 Pressure control valve for active suspension
US07/302,252 US5042832A (en) 1988-01-29 1989-01-27 Proportioning valve assembly and actively controlled suspension system utilizing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988010552U JPH0615287Y2 (en) 1988-01-29 1988-01-29 Pressure control valve for active suspension

Publications (2)

Publication Number Publication Date
JPH01116811U true JPH01116811U (en) 1989-08-07
JPH0615287Y2 JPH0615287Y2 (en) 1994-04-20

Family

ID=31218314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988010552U Expired - Lifetime JPH0615287Y2 (en) 1988-01-29 1988-01-29 Pressure control valve for active suspension

Country Status (1)

Country Link
JP (1) JPH0615287Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03200416A (en) * 1989-09-26 1991-09-02 Toyota Motor Corp Pressure controller of suspension
JP2012516481A (en) * 2009-01-28 2012-07-19 ハイダック フルイドテヒニク ゲゼルシャフト ミット ベシュレンクテル ハフツング Proportional pressure control valve

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS639615U (en) * 1986-07-04 1988-01-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS639615U (en) * 1986-07-04 1988-01-22

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03200416A (en) * 1989-09-26 1991-09-02 Toyota Motor Corp Pressure controller of suspension
JP2012516481A (en) * 2009-01-28 2012-07-19 ハイダック フルイドテヒニク ゲゼルシャフト ミット ベシュレンクテル ハフツング Proportional pressure control valve

Also Published As

Publication number Publication date
JPH0615287Y2 (en) 1994-04-20

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