JPH03108905U - - Google Patents

Info

Publication number
JPH03108905U
JPH03108905U JP1732490U JP1732490U JPH03108905U JP H03108905 U JPH03108905 U JP H03108905U JP 1732490 U JP1732490 U JP 1732490U JP 1732490 U JP1732490 U JP 1732490U JP H03108905 U JPH03108905 U JP H03108905U
Authority
JP
Japan
Prior art keywords
pressure
control valve
hydraulic pump
pressure oil
receiving parts
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
JP1732490U
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 JP1732490U priority Critical patent/JPH03108905U/ja
Publication of JPH03108905U publication Critical patent/JPH03108905U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第1図は本考案の実施例を示す模式説明図、第
2図は比例減圧弁の具体例を示す断面図、第3図
は比例減圧弁の出力圧と流量の関係を示す図表、
第4図は第2実施例の模式説明図、第5図は比例
減圧弁の具体例を示す断面図、第6図は従来例の
模式説明図である。 1……主油圧ポンプ、2……アクチユエータ、
3……コントロールバルブ、4……補助油圧ポン
プ、5,6……第1・第2受圧部、7,8……第
1・第2比例減圧弁、12……レバー、13……
タンク、14……入口ポート、15……タンクポ
ート、16……出口ポート。

Claims (1)

  1. 【実用新案登録請求の範囲】 主油圧ポンプ1の吐出圧油をアクチユエータ2
    に供給するコントロールバルブ3と、補助油圧ポ
    ンプ4の吐出圧油を前記コントロールバルブ3の
    第1・第2受圧部5,6に供給する第1・第2比
    例減圧弁7,8とより成る方向流量制御弁装置に
    おいて、 前記第1・第2比例減圧弁7,8がドレーン位
    置の時に、入口ポート14を出口ポート16に若
    干の開口面積で連通して第1・第2受圧部5,6
    内の圧油がタンク圧より若干高い圧力としたこと
    を特徴とする方向流量制御弁装置。
JP1732490U 1990-02-26 1990-02-26 Pending JPH03108905U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1732490U JPH03108905U (ja) 1990-02-26 1990-02-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1732490U JPH03108905U (ja) 1990-02-26 1990-02-26

Publications (1)

Publication Number Publication Date
JPH03108905U true JPH03108905U (ja) 1991-11-08

Family

ID=31520538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1732490U Pending JPH03108905U (ja) 1990-02-26 1990-02-26

Country Status (1)

Country Link
JP (1) JPH03108905U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101056917B1 (ko) * 2006-06-30 2011-08-12 박윤식 긴 행정거리를 갖는 자동폐쇄장치
KR101056913B1 (ko) * 2007-02-21 2011-08-12 박윤식 하부장착형 슬라이드에 부착되는 자동폐쇄장치
KR101056919B1 (ko) * 2006-03-13 2011-08-12 박윤식 하부장착 슬라이드용 자동폐쇄장치

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101056919B1 (ko) * 2006-03-13 2011-08-12 박윤식 하부장착 슬라이드용 자동폐쇄장치
KR101056917B1 (ko) * 2006-06-30 2011-08-12 박윤식 긴 행정거리를 갖는 자동폐쇄장치
KR101056913B1 (ko) * 2007-02-21 2011-08-12 박윤식 하부장착형 슬라이드에 부착되는 자동폐쇄장치

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