JPH0231976U - - Google Patents

Info

Publication number
JPH0231976U
JPH0231976U JP11147288U JP11147288U JPH0231976U JP H0231976 U JPH0231976 U JP H0231976U JP 11147288 U JP11147288 U JP 11147288U JP 11147288 U JP11147288 U JP 11147288U JP H0231976 U JPH0231976 U JP H0231976U
Authority
JP
Japan
Prior art keywords
main valve
pressure chamber
back pressure
conduit
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
JP11147288U
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 JP11147288U priority Critical patent/JPH0231976U/ja
Publication of JPH0231976U publication Critical patent/JPH0231976U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Driven Valves (AREA)
  • Float Valves (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例を示す縦断面図、第２
図、第３図は第１図の拡大部分図、第４図は第２
図の拡大部分図、第５図、第６図は第２図のＸ―
Ｘ線、Ｙ―Ｙ線に沿う断面図、第７図は従来例の
縦断面図である。 １……入口、２……出口、３……主弁座、４…
…主弁本体、５……ふた体、６……主弁体、７…
…背圧室、９……バイパス路、１０……パイロツ
ト管路、１１……逆止弁、１３……弁体、１６…
…調整通路、１９……制御片。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 流体の入口１と出口２および主弁座３を有
    する主弁本体４と、前記主弁座３に対向して配置
    された主弁体６と、前記主弁体６の前記主弁座３
    と反対側に形成された背圧室７と、前記出口２側
    の管路または流体輸送の目的地と前記背圧室７と
    を連通させたパイロツト管路１０とを有し、前記
    背圧室７の圧力変化によつて前記主弁体６が開閉
    動作する自動開閉弁において； 前記背圧室７へ向かつて閉じる逆止弁１１と、
    前記パイロツト管路１０と背圧室７とを直通しパ
    イロツト管路１０の圧力上昇に応じて有効面積が
    小さくなる調整通路１６とを、前記パイロツト管
    路１０の前記背圧室７への開口附近に設けた； ことを特徴とする自動開閉弁。 (2) 請求項(1)記載の構成に加えて、 前記パイロツト管路１０の前記逆止弁１１開き
    側と前記入口１とを連通したバイパス通路９を設
    けた； ことを特徴とする自動開閉弁。
JP11147288U 1988-08-25 1988-08-25 Pending JPH0231976U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11147288U JPH0231976U (ja) 1988-08-25 1988-08-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11147288U JPH0231976U (ja) 1988-08-25 1988-08-25

Publications (1)

Publication Number Publication Date
JPH0231976U true JPH0231976U (ja) 1990-02-28

Family

ID=31349548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11147288U Pending JPH0231976U (ja) 1988-08-25 1988-08-25

Country Status (1)

Country Link
JP (1) JPH0231976U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5624273A (en) * 1979-08-01 1981-03-07 F M Valve Seisakusho:Kk Opening/closing valve
JPS6148033A (ja) * 1984-08-14 1986-03-08 Fujitsu Ltd テ−ブル演算用メモリアドレス制御回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5624273A (en) * 1979-08-01 1981-03-07 F M Valve Seisakusho:Kk Opening/closing valve
JPS6148033A (ja) * 1984-08-14 1986-03-08 Fujitsu Ltd テ−ブル演算用メモリアドレス制御回路

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