JPS62191966U - - Google Patents

Info

Publication number
JPS62191966U
JPS62191966U JP8086386U JP8086386U JPS62191966U JP S62191966 U JPS62191966 U JP S62191966U JP 8086386 U JP8086386 U JP 8086386U JP 8086386 U JP8086386 U JP 8086386U JP S62191966 U JPS62191966 U JP S62191966U
Authority
JP
Japan
Prior art keywords
diaphragm
valve seat
pilot pressure
annular
annular 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
Application number
JP8086386U
Other languages
English (en)
Other versions
JPH0434283Y2 (ja
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 JP1986080863U priority Critical patent/JPH0434283Y2/ja
Priority to US07/050,110 priority patent/US4744388A/en
Priority to EP19870304439 priority patent/EP0256622B1/en
Priority to DE8787304439T priority patent/DE3771803D1/de
Publication of JPS62191966U publication Critical patent/JPS62191966U/ja
Priority to US07/169,238 priority patent/US4823834A/en
Priority to US07/169,236 priority patent/US4875500A/en
Application granted granted Critical
Publication of JPH0434283Y2 publication Critical patent/JPH0434283Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Multiple-Way Valves (AREA)

Description

【図面の簡単な説明】
第１図は本考案のダイアフラム型パイロツト操
作開閉弁の実施例を示す、右半分と左半分の開弁
状態を異ならせて描いた縦断面図、第２図は第１
図のダイアフラム部分の拡大断面図、第３図、第
４図は第１図の―線、―線に沿う断面図
、第５図は制御ブロツクの中央凹部、環状凹部、
およびパイロツト圧通路の位置を合わせて示すダ
イアフラムの平面図、第６図ないし第９図は本考
案の対象とする開閉弁を用いた方向切換弁の異な
る作動状態の断面図、第１０図は第６図の―
線に沿う断面図である。 ４０…流路ブロツク、４１…供給ポート、４２
…負荷ポート、４３…排出ポート、４４…中心孔
、４５…隔壁、４５ｓ…環状弁座、４６…環状部
（供給側環状通路）、４７…負荷側環状通路、４
８…排出側環状通路、４９，５０…連通路、５１
，５２…ビード溝、６０…制御ブロツク、６１…
中央凹部、６２…環状凹部、６３，６４…パイロ
ツト圧通路、７０…ダイアフラム、７１，７２…
嵌め込みビード、７３…中心弁部、７４…環状弁
部、７５…環状ビード。

Claims (1)

    【実用新案登録請求の範囲】
  1. 流路ブロツクと制御ブロツクとの間にダイアフ
    ラムを挟着し、この流路ブロツクに形成した開閉
    すべき二つの通路を、該流路ブロツクの制御ブロ
    ツク側端面に、環状弁座によつて画成して開口さ
    せ、他方上記制御ブロツクには、この環状弁座の
    反対側からダイアフラムにパイロツト圧を及ぼす
    パイロツト圧通路を形成し、このパイロツト圧通
    路に及ぼすパイロツト圧により、ダイアフラムを
    環状弁座に接離させて、上記二つの通路を開閉す
    るダイアフラム型パイロツト操作開閉弁において
    、上記ダイアフラムの環状弁座との対向部に、該
    環状弁座に対して接離する環状ビードを突出形成
    したことを特徴とするダイアフラム型パイロツト
    操作開閉弁。
JP1986080863U 1986-05-19 1986-05-28 Expired JPH0434283Y2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1986080863U JPH0434283Y2 (ja) 1986-05-28 1986-05-28
US07/050,110 US4744388A (en) 1986-05-19 1987-05-15 Diaphragm type of pilot operated directional control valve
EP19870304439 EP0256622B1 (en) 1986-05-19 1987-05-19 Diaphragm type of pilot operated directional control valve
DE8787304439T DE3771803D1 (de) 1986-05-19 1987-05-19 Vorgesteuertes, richtungsabhaengiges, mit einer membrane versehenes steuerventil.
US07/169,238 US4823834A (en) 1986-05-19 1988-03-16 Diaphragm type of pilot operated directional control valve
US07/169,236 US4875500A (en) 1986-05-19 1988-03-16 Diaphragm type of pilot operated directional control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986080863U JPH0434283Y2 (ja) 1986-05-28 1986-05-28

Publications (2)

Publication Number Publication Date
JPS62191966U true JPS62191966U (ja) 1987-12-07
JPH0434283Y2 JPH0434283Y2 (ja) 1992-08-14

Family

ID=30932060

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986080863U Expired JPH0434283Y2 (ja) 1986-05-19 1986-05-28

Country Status (1)

Country Link
JP (1) JPH0434283Y2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006300091A (ja) * 2005-04-15 2006-11-02 Ckd Corp 流体制御弁
JP2014047843A (ja) * 2012-08-31 2014-03-17 Fujikin Inc ダイヤフラム弁
WO2020002966A1 (en) * 2018-06-25 2020-01-02 Capitanio Airpumps S.R.L. Shutter device preferable for multi-way valves and multi-way valve comprising one or more of the aforementioned shutter devices.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5297628U (ja) * 1976-01-22 1977-07-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5297628U (ja) * 1976-01-22 1977-07-22

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006300091A (ja) * 2005-04-15 2006-11-02 Ckd Corp 流体制御弁
JP2014047843A (ja) * 2012-08-31 2014-03-17 Fujikin Inc ダイヤフラム弁
WO2020002966A1 (en) * 2018-06-25 2020-01-02 Capitanio Airpumps S.R.L. Shutter device preferable for multi-way valves and multi-way valve comprising one or more of the aforementioned shutter devices.

Also Published As

Publication number Publication date
JPH0434283Y2 (ja) 1992-08-14

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