JPH01158802U - - Google Patents

Info

Publication number
JPH01158802U
JPH01158802U JP5353888U JP5353888U JPH01158802U JP H01158802 U JPH01158802 U JP H01158802U JP 5353888 U JP5353888 U JP 5353888U JP 5353888 U JP5353888 U JP 5353888U JP H01158802 U JPH01158802 U JP H01158802U
Authority
JP
Japan
Prior art keywords
valve
poppet valve
horizontal hole
leak
closing
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
JP5353888U
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 JP5353888U priority Critical patent/JPH01158802U/ja
Priority to US07/341,357 priority patent/US4958553A/en
Priority to DE19893913460 priority patent/DE3913460C2/de
Publication of JPH01158802U publication Critical patent/JPH01158802U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す断面図、第2
図は本考案の要部を示す拡大断面図、第3図は本
考案におけるノンリーク弁の分解斜視図である。 1……メインバルブ、2……油圧パイロツト弁
、3……スプール、6……横穴、7……オーバロ
ードリリーフ弁、8……ノンリーク弁、8a……
筒状ケーシング、8b……主流路開閉用のポペツ
ト弁、8c……スプリング、8e……パイロツト
用ポペツト弁、8f……ピストン、40a,40
a′,40b,40b′……シリンダ通路、A,
B……シリンダポート。

Claims (1)

    【実用新案登録請求の範囲】
  1. バルブ本体のシリンダポートに到る通路と交差
    状にスプールと平行な横穴を形成し、この横穴に
    ノンリーク弁とオーバーロードリリーフバルブを
    同軸に取付け、かつ、ノンリーク弁が、先端に絞
    りを有する主流路開閉用のポペツト弁と、これを
    常時閉じ側に付勢するスプリングと、このポペツ
    ト弁のばね室の圧力を制御するパイロツト用ポペ
    ツト弁と、該パイロツト用ポペツト弁を開閉する
    ピストンを一直線上に配していることを特徴とす
    る油圧制御装置。
JP5353888U 1988-04-22 1988-04-22 Pending JPH01158802U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP5353888U JPH01158802U (ja) 1988-04-22 1988-04-22
US07/341,357 US4958553A (en) 1988-04-22 1989-04-20 Hydraulic controller
DE19893913460 DE3913460C2 (de) 1988-04-22 1989-04-24 Hydraulisches Umsteuerventil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5353888U JPH01158802U (ja) 1988-04-22 1988-04-22

Publications (1)

Publication Number Publication Date
JPH01158802U true JPH01158802U (ja) 1989-11-02

Family

ID=31279510

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5353888U Pending JPH01158802U (ja) 1988-04-22 1988-04-22

Country Status (1)

Country Link
JP (1) JPH01158802U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998006949A1 (fr) * 1996-08-08 1998-02-19 Hitachi Construction Machinery Co., Ltd. Dispositif de commande hydraulique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998006949A1 (fr) * 1996-08-08 1998-02-19 Hitachi Construction Machinery Co., Ltd. Dispositif de commande hydraulique

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