JPH01156379U - - Google Patents

Info

Publication number
JPH01156379U
JPH01156379U JP1988052185U JP5218588U JPH01156379U JP H01156379 U JPH01156379 U JP H01156379U JP 1988052185 U JP1988052185 U JP 1988052185U JP 5218588 U JP5218588 U JP 5218588U JP H01156379 U JPH01156379 U JP H01156379U
Authority
JP
Japan
Prior art keywords
spool
hole
valve seat
pilot chamber
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.)
Pending
Application number
JP1988052185U
Other languages
English (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 JP1988052185U priority Critical patent/JPH01156379U/ja
Priority to US07/333,081 priority patent/US4875501A/en
Publication of JPH01156379U publication Critical patent/JPH01156379U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/8659—Variable orifice-type modulator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86614—Electric

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fluid-Driven Valves (AREA)

Description

【図面の簡単な説明】
第１図および第２図はこの考案の一実施例を示
すもので、第１図はその縦断面図、第２図は要部
の拡大断面図、第３図は従来の電磁比例制御弁の
一例の要部を示す断面図である。 １１……弁本体、１２……スプール孔、１４…
…流入ポート、１５……吐出ポート、１７……ス
プール、１８……バルブシート、１９……戻しば
ね、２０……パイロツト室、２１……制御孔、２
２……第１絞り孔、２３……突出部、２３ａ……
大径部、２４……間隙（絞り通路）、２５……第
２絞り孔、２６……弁孔、３０……弁体、３３…
…ソレノイド。

Claims (1)

    【実用新案登録請求の範囲】
  1. 戻しばねによつて軸線方向に付勢され、付勢方
    向に移動して流入ポートと吐出ポートとを遮断し
    、付勢方向と逆方向へ移動して流入ポートと吐出
    ポートとを連通させるスプールと、戻しばねの付
    勢方向を向くスプールの一端面に対向して配置さ
    れたバルブシートとを備え、前記スプールと前記
    バルブシートとの対向面間に、スプールに形成さ
    れた第１絞り孔を介して流入ポートに連通したパ
    イロツト室が形成されるとともに、前記バルブシ
    ートにその内部に形成された第２絞り孔を介して
    前記パイロツト室に連通した弁孔が形成されてお
    り、前記弁孔に対してソレノイドの磁力によつて
    弁体を接近させることにより、前記パイロツト室
    に導入されるパイロツト圧を制御し、このパイロ
    ツト圧によつて前記スプールを前記戻しばねの付
    勢力に抗して移動させるようにした電磁比例制御
    弁において、前記パイロツト室に臨む前記スプー
    ルの端面に、前記第１絞り孔と前記パイロツト室
    との間に介在する制御孔をスプールの軸線に沿つ
    て形成するとともに、前記パイロツト室に臨む前
    記バルブシートの端面に、前記スプールが前記戻
    しばねの付勢力によつて移動せしめられた際に前
    記制御孔に嵌まり込み、かつ前記制御孔の内部に
    臨む面に前記第２絞り孔が開口する突出部を形成
    し、前記制御孔の内周面と前記突出部の外周面と
    の間に、一端が前記パイロツト室に連通し、他端
    が前記制御孔に連通した絞り通路を形成したこと
    を特徴とする電磁比例制御弁。
JP1988052185U 1988-04-20 1988-04-20 Pending JPH01156379U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1988052185U JPH01156379U (ja) 1988-04-20 1988-04-20
US07/333,081 US4875501A (en) 1988-04-20 1989-04-04 Electromagnetic proportional control valve apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988052185U JPH01156379U (ja) 1988-04-20 1988-04-20

Publications (1)

Publication Number Publication Date
JPH01156379U true JPH01156379U (ja) 1989-10-27

Family

ID=12907745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988052185U Pending JPH01156379U (ja) 1988-04-20 1988-04-20

Country Status (2)

Country Link
US (1) US4875501A (ja)
JP (1) JPH01156379U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014509718A (ja) * 2011-02-28 2014-04-21 ボーグワーナー インコーポレーテッド ２段可変力ソレノイド

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544626Y2 (ja) * 1988-05-25 1993-11-12
DE4015776C2 (de) * 1989-05-24 1997-09-18 Diesel Kiki Co Steuerschieberventil
US5121769A (en) * 1991-05-30 1992-06-16 Coltec Industries Inc. Solenoid operated pressure regulating valve
US5184644A (en) * 1991-05-30 1993-02-09 Coltec Industries Inc. Solenoid operated pressure regulating valve
US5836335A (en) * 1991-08-19 1998-11-17 Fluid Power Industries, Inc. Proportional pressure control valve
AT398114B (de) * 1992-03-12 1994-09-26 Hoerbiger Fluidtechnik Gmbh Proportional-wegeventil
US5343752A (en) * 1992-04-20 1994-09-06 Team Corporation High frequency vibration test fixture with hydraulic servo valve and piston actuator
US5509448A (en) * 1994-11-15 1996-04-23 General Motors Corporation Control valve with integral accumulator
US5692724A (en) * 1995-06-07 1997-12-02 Neles-Jamesbury, Inc. Method and apparatus for attenuating high frequency vibration sensitivity in a control valve positioner
US5921279A (en) * 1998-04-29 1999-07-13 Husco International, Inc. Solenoid operated dual spool control valve
JP2003227578A (ja) * 2002-02-04 2003-08-15 Rinnai Corp 電磁式給水弁
US20050139273A1 (en) * 2003-12-29 2005-06-30 Tecnord S.R.L. Electromechanically controlled proportional valve
US7779853B2 (en) * 2004-02-24 2010-08-24 Parker-Hannifin Corporation Proportional pressure control valve
WO2006050684A1 (de) * 2004-11-09 2006-05-18 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Ventil
US7686039B2 (en) * 2006-06-30 2010-03-30 Caterpillar Inc. Cartridge valve assembly
JP5233852B2 (ja) * 2009-06-11 2013-07-10 アイシン・エィ・ダブリュ株式会社 電磁弁装置
JP6417353B2 (ja) * 2016-03-30 2018-11-07 日立建機株式会社 減圧弁ユニット

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62110085A (ja) * 1985-11-08 1987-05-21 Diesel Kiki Co Ltd 電磁比例制御弁
JPH06103072B2 (ja) * 1986-05-08 1994-12-14 株式会社ゼクセル 電磁比例油圧制御弁
US4763872A (en) * 1986-07-11 1988-08-16 Diesel Kiki Co., Ltd. Operating oil introduction type electromagnetic valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014509718A (ja) * 2011-02-28 2014-04-21 ボーグワーナー インコーポレーテッド ２段可変力ソレノイド

Also Published As

Publication number Publication date
US4875501A (en) 1989-10-24

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