JPS6421283U - - Google Patents

Info

Publication number
JPS6421283U
JPS6421283U JP11597387U JP11597387U JPS6421283U JP S6421283 U JPS6421283 U JP S6421283U JP 11597387 U JP11597387 U JP 11597387U JP 11597387 U JP11597387 U JP 11597387U JP S6421283 U JPS6421283 U JP S6421283U
Authority
JP
Japan
Prior art keywords
variable displacement
displacement pump
valve
cut
controls
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
JP11597387U
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 JP11597387U priority Critical patent/JPS6421283U/ja
Publication of JPS6421283U publication Critical patent/JPS6421283U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の実施例の油圧回路図、第２図
は同Ｐｄ−Ｑ線図、第３図は従来装置の油圧回路
図、第４図はＰｄ−Ｑ線図である。 １……可変容量形ポンプ、２……サーボシリン
ダ、３……サーボ弁、４……カツトオフ弁、５…
…指令圧回路、６……切換弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 可変容量形ポンプの吐出量を制御するサーボシ
    リンダと、可変容量形ポンプの吐出圧力を検出し
    てサーボシリンダを制御するサーボ弁と、可変容
    量形ポンプの吐出圧力がセツト圧力に達したとき
    に前記サーボシリンダを介して可変容量形ポンプ
    の吐出量を減少させるように切換え動作するカツ
    トオフ弁を備えたものにおいて、前記カツトオフ
    弁に接続する指令圧回路に切換弁を介装したこと
    を特徴とする可変容量形ポンプのカツトオフ制御
    装置。
JP11597387U 1987-07-29 1987-07-29 Pending JPS6421283U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11597387U JPS6421283U (ja) 1987-07-29 1987-07-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11597387U JPS6421283U (ja) 1987-07-29 1987-07-29

Publications (1)

Publication Number Publication Date
JPS6421283U true JPS6421283U (ja) 1989-02-02

Family

ID=31358106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11597387U Pending JPS6421283U (ja) 1987-07-29 1987-07-29

Country Status (1)

Country Link
JP (1) JPS6421283U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5932685A (ja) * 1982-08-16 1984-02-22 Hitachi Constr Mach Co Ltd 可変容量ポンプの容量制御装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5932685A (ja) * 1982-08-16 1984-02-22 Hitachi Constr Mach Co Ltd 可変容量ポンプの容量制御装置

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