JPH0396437U - - Google Patents

Info

Publication number
JPH0396437U
JPH0396437U JP389090U JP389090U JPH0396437U JP H0396437 U JPH0396437 U JP H0396437U JP 389090 U JP389090 U JP 389090U JP 389090 U JP389090 U JP 389090U JP H0396437 U JPH0396437 U JP H0396437U
Authority
JP
Japan
Prior art keywords
actuator
control valve
pressure control
electromagnetic proportional
port
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
JP389090U
Other languages
Japanese (ja)
Other versions
JPH0722499Y2 (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 JP1990003890U priority Critical patent/JPH0722499Y2/en
Publication of JPH0396437U publication Critical patent/JPH0396437U/ja
Application granted granted Critical
Publication of JPH0722499Y2 publication Critical patent/JPH0722499Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は本考案の一実施例の作動回路に組み込
まれた電磁比例圧力制御弁の詳細断面図、第２図
は同実施例の作動回路の全体構成を示す系統図、
第３図ａ，ｂは本考案の作用の説明に供する図、
第４図ａ，ｂは従来例の問題点の説明に供する図
、第５図は従来の電磁比例圧力制御弁の概略を示
す断面図である。 １……電磁比例圧力制御弁、３……スプール、
４……電磁アクチユエータ機構、Ａ……アクチユ
エータポート、Ｐ……ポンプポート、Ｔ……タン
クポート、７……ポンプ、８……タンク、３０…
…受圧面、５０……絞り、１０６ａ，１０６ｂ…
…作動アクチユエータ。 FIG. 1 is a detailed sectional view of an electromagnetic proportional pressure control valve incorporated in an operating circuit according to an embodiment of the present invention, and FIG. 2 is a system diagram showing the overall configuration of the operating circuit of the embodiment.
Figures 3a and 3b are diagrams for explaining the operation of the present invention;
4a and 4b are diagrams for explaining the problems of the conventional example, and FIG. 5 is a sectional view schematically showing a conventional electromagnetic proportional pressure control valve. 1... Solenoid proportional pressure control valve, 3... Spool,
4... Electromagnetic actuator mechanism, A... Actuator port, P... Pump port, T... Tank port, 7... Pump, 8... Tank, 30...
...Pressure receiving surface, 50...Aperture, 106a, 106b...
...operating actuator.

Claims (1)

【実用新案登録請求の範囲】 アクチユエータポートの圧力がスプールに形成
された受圧面に作用することにより生じるスプー
ルを軸方向一方側へ押す力と、電磁アクチユエー
タ機構に通電することにより生じるスプールを軸
方向他方側へ押す力とのバランスにより、ポンプ
ポートとアクチユエータポートの連通開度を調節
して、アクチユエータポートの圧力を制御する電
磁比例圧力制御弁と、 この電磁比例圧力制御弁のアクチユエータポー
トに接続された作動アクチユエータと、 同電磁比例圧力制御弁のポンプポートに接続さ
れたポンプと、 を備えたアクチユエータ作動回路において、 上記電磁比例圧力制御弁のスプールに形成され
た受圧面から上記作動アクチユエータに至る作動
流体通路中に、絞りを設けたことを特徴とする電
磁比例圧力制御弁を備えたアクチユエータ作動回
路。[Claims for Utility Model Registration] The force that pushes the spool to one side in the axial direction is generated when the pressure of the actuator port acts on the pressure-receiving surface formed on the spool, and the spool is generated when the electromagnetic actuator mechanism is energized. An electromagnetic proportional pressure control valve that controls the pressure of the actuator port by adjusting the degree of communication opening between the pump port and the actuator port by balancing with the force pushing toward the other side in the axial direction, and this electromagnetic proportional pressure control valve. an actuator actuator connected to the actuator port of the electromagnetic proportional pressure control valve; a pump connected to the pump port of the electromagnetic proportional pressure control valve; An actuator actuation circuit equipped with an electromagnetic proportional pressure control valve, characterized in that a restriction is provided in a working fluid passageway extending from the surface to the actuating actuator.
JP1990003890U 1990-01-22 1990-01-22 Clutch actuation circuit with electromagnetic proportional pressure control valve Expired - Lifetime JPH0722499Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990003890U JPH0722499Y2 (en) 1990-01-22 1990-01-22 Clutch actuation circuit with electromagnetic proportional pressure control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990003890U JPH0722499Y2 (en) 1990-01-22 1990-01-22 Clutch actuation circuit with electromagnetic proportional pressure control valve

Publications (2)

Publication Number Publication Date
JPH0396437U true JPH0396437U (en) 1991-10-02
JPH0722499Y2 JPH0722499Y2 (en) 1995-05-24

Family

ID=31733228

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990003890U Expired - Lifetime JPH0722499Y2 (en) 1990-01-22 1990-01-22 Clutch actuation circuit with electromagnetic proportional pressure control valve

Country Status (1)

Country Link
JP (1) JPH0722499Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004263871A (en) * 2003-02-28 2004-09-24 Linde Ag Hydraulic control valve
JP2008138394A (en) * 2006-11-30 2008-06-19 Yukie Kanbara Drainage implement

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63235730A (en) * 1987-03-25 1988-09-30 Komatsu Ltd Clutch hydraulic control device
JPS63235732A (en) * 1987-03-25 1988-09-30 Komatsu Ltd Clutch hydraulic pressure control device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63235730A (en) * 1987-03-25 1988-09-30 Komatsu Ltd Clutch hydraulic control device
JPS63235732A (en) * 1987-03-25 1988-09-30 Komatsu Ltd Clutch hydraulic pressure control device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004263871A (en) * 2003-02-28 2004-09-24 Linde Ag Hydraulic control valve
JP4664606B2 (en) * 2003-02-28 2011-04-06 リンデ マテリアル ハンドリング ゲゼルシャフト ミット ベシュレンクテル ハフツング Hydraulic control valve
JP2008138394A (en) * 2006-11-30 2008-06-19 Yukie Kanbara Drainage implement

Also Published As

Publication number Publication date
JPH0722499Y2 (en) 1995-05-24

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