JPS6389401U - - Google Patents

Info

Publication number
JPS6389401U
JPS6389401U JP18389986U JP18389986U JPS6389401U JP S6389401 U JPS6389401 U JP S6389401U JP 18389986 U JP18389986 U JP 18389986U JP 18389986 U JP18389986 U JP 18389986U JP S6389401 U JPS6389401 U JP S6389401U
Authority
JP
Japan
Prior art keywords
flow path
discharge pump
variable discharge
switching valve
throttles
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
JP18389986U
Other languages
English (en)
Other versions
JPH0643522Y2 (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 JP1986183899U priority Critical patent/JPH0643522Y2/ja
Publication of JPS6389401U publication Critical patent/JPS6389401U/ja
Application granted granted Critical
Publication of JPH0643522Y2 publication Critical patent/JPH0643522Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】
図面第1図はこの考案の実施例を示す回路図で
、パイロツト圧発生機構のみを具体的な断面で示
したものである。 1〜3……切換弁、4〜6……中立流路、10
……第1の絞り、11……背圧室、12……第2
の絞り、C……制御機構。

Claims (1)

    【実用新案登録請求の範囲】
  1. センターオープ・タイプの複数の切換弁の中立
    流路を直列に接続し、その最上流の切換弁に可変
    吐出ポンプを接続する一方、最下流の切換弁の中
    立流路とタンクとの流路過程に絞りを設けてなり
    、かつ、上記最下流の切換弁とタンクとの流路過
    程に絞りを介在させ、少なくとも当該絞りの上流
    側の圧力をパイロツト圧として、可変吐出ポンプ
    の制御機構に作用させ、当該可変吐出ポンプの吐
    出量を制御する可変吐出ポンプの流量制御装置に
    おいて、最下流の切換弁の中立流路とタンクとの
    流路過程に、複数の絞りを設けるとともに、この
    両絞り間に、背圧室を形成した可変吐出ポンプの
    流量制御装置。
JP1986183899U 1986-11-29 1986-11-29 可変ポンプの流量制御装置 Expired - Lifetime JPH0643522Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986183899U JPH0643522Y2 (ja) 1986-11-29 1986-11-29 可変ポンプの流量制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986183899U JPH0643522Y2 (ja) 1986-11-29 1986-11-29 可変ポンプの流量制御装置

Publications (2)

Publication Number Publication Date
JPS6389401U true JPS6389401U (ja) 1988-06-10
JPH0643522Y2 JPH0643522Y2 (ja) 1994-11-14

Family

ID=31131058

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986183899U Expired - Lifetime JPH0643522Y2 (ja) 1986-11-29 1986-11-29 可変ポンプの流量制御装置

Country Status (1)

Country Link
JP (1) JPH0643522Y2 (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4951635A (ja) * 1972-07-03 1974-05-20
JPS5142776A (ja) * 1974-10-09 1976-04-12 Eidai Co Ltd Paateikuruboodokoagobanno renzokuseizoho
JPS5943202A (ja) * 1982-09-02 1984-03-10 Kayaba Ind Co Ltd 油圧制御回路
JPS6029901U (ja) * 1983-08-06 1985-02-28 東芝機械株式会社 油圧回路

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4951635A (ja) * 1972-07-03 1974-05-20
JPS5142776A (ja) * 1974-10-09 1976-04-12 Eidai Co Ltd Paateikuruboodokoagobanno renzokuseizoho
JPS5943202A (ja) * 1982-09-02 1984-03-10 Kayaba Ind Co Ltd 油圧制御回路
JPS6029901U (ja) * 1983-08-06 1985-02-28 東芝機械株式会社 油圧回路

Also Published As

Publication number Publication date
JPH0643522Y2 (ja) 1994-11-14

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