JPS6311985U - - Google Patents

Info

Publication number
JPS6311985U
JPS6311985U JP10525086U JP10525086U JPS6311985U JP S6311985 U JPS6311985 U JP S6311985U JP 10525086 U JP10525086 U JP 10525086U JP 10525086 U JP10525086 U JP 10525086U JP S6311985 U JPS6311985 U JP S6311985U
Authority
JP
Japan
Prior art keywords
pilot
spool
pilot chamber
communication groove
valve body
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
JP10525086U
Other languages
English (en)
Other versions
JPH0325441Y2 (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 JP10525086U priority Critical patent/JPH0325441Y2/ja
Publication of JPS6311985U publication Critical patent/JPS6311985U/ja
Application granted granted Critical
Publication of JPH0325441Y2 publication Critical patent/JPH0325441Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Fluid-Driven Valves (AREA)

Description

【図面の簡単な説明】
図面第1,2図はこの考案の実施例を示すもの
で、第1図はスプール端の正面図、第2図は第1
図の―線断面図、第3図は従来の断面図、第
4図は他の従来例のスプール端の断面図である。 1……弁本体、5,6……パイロツト室、7…
…スプール、14,15……ドレン流路、23…
…連通溝。

Claims (1)

    【実用新案登録請求の範囲】
  1. 弁本体に内装したスプールの両端をパイロツト
    室に臨ませ、このパイロツト室にパイロツト圧を
    導く構成にした油圧パイロツト操作弁において、
    このスプールの両端部分の周囲にスパイラル状の
    連通溝を形成するとともに、このスパイラル状の
    連通溝を介して、上記パイロツト室を、弁本体に
    形成したドレン流路に連通させてなる油圧パイロ
    ツト操作弁。
JP10525086U 1986-07-09 1986-07-09 Expired JPH0325441Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10525086U JPH0325441Y2 (ja) 1986-07-09 1986-07-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10525086U JPH0325441Y2 (ja) 1986-07-09 1986-07-09

Publications (2)

Publication Number Publication Date
JPS6311985U true JPS6311985U (ja) 1988-01-26
JPH0325441Y2 JPH0325441Y2 (ja) 1991-06-03

Family

ID=30979501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10525086U Expired JPH0325441Y2 (ja) 1986-07-09 1986-07-09

Country Status (1)

Country Link
JP (1) JPH0325441Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009197822A (ja) * 2008-02-19 2009-09-03 Kobelco Contstruction Machinery Ltd 建設機械の油圧回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009197822A (ja) * 2008-02-19 2009-09-03 Kobelco Contstruction Machinery Ltd 建設機械の油圧回路
JP4548494B2 (ja) * 2008-02-19 2010-09-22 コベルコ建機株式会社 建設機械の油圧回路

Also Published As

Publication number Publication date
JPH0325441Y2 (ja) 1991-06-03

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