JPH0462378U - - Google Patents

Info

Publication number
JPH0462378U
JPH0462378U JP10451190U JP10451190U JPH0462378U JP H0462378 U JPH0462378 U JP H0462378U JP 10451190 U JP10451190 U JP 10451190U JP 10451190 U JP10451190 U JP 10451190U JP H0462378 U JPH0462378 U JP H0462378U
Authority
JP
Japan
Prior art keywords
pressure
hydraulic pump
control valve
variable displacement
displacement hydraulic
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
JP10451190U
Other languages
English (en)
Other versions
JP2560290Y2 (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 JP1990104511U priority Critical patent/JP2560290Y2/ja
Publication of JPH0462378U publication Critical patent/JPH0462378U/ja
Application granted granted Critical
Publication of JP2560290Y2 publication Critical patent/JP2560290Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例を示す油圧回路図、第
２図は従来の油圧回路図である。 １は可変容量型油圧ポンプ、１ａは斜板、２は
操作板、３はアクチユエータ、１０は制御弁。

Claims (1)

  1. 【実用新案登録請求の範囲】 可変容量型油圧ポンプ１の斜板１ａを作動する
    サーボピストン６の受圧室に油圧源の圧油を供給
    する制御弁１０を設け、 この制御弁１０を吐出圧Ｐ１と負荷圧Ｐ０の差
    圧により出力流量を減圧し、かつエンジン回転数
    に応じた制御信号で前記差圧が変化する構造とし
    たことを特徴とする可変容量型油圧ポンプの容量
    制御装置。
JP1990104511U 1990-10-05 1990-10-05 可変容量型油圧ポンプの容量制御装置 Expired - Lifetime JP2560290Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990104511U JP2560290Y2 (ja) 1990-10-05 1990-10-05 可変容量型油圧ポンプの容量制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990104511U JP2560290Y2 (ja) 1990-10-05 1990-10-05 可変容量型油圧ポンプの容量制御装置

Publications (2)

Publication Number Publication Date
JPH0462378U true JPH0462378U (ja) 1992-05-28
JP2560290Y2 JP2560290Y2 (ja) 1998-01-21

Family

ID=31849817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990104511U Expired - Lifetime JP2560290Y2 (ja) 1990-10-05 1990-10-05 可変容量型油圧ポンプの容量制御装置

Country Status (1)

Country Link
JP (1) JP2560290Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996008652A1 (fr) * 1994-09-14 1996-03-21 Komatsu Ltd. Unite de commande de capacite d'une pompe hydraulique a capacite variable

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62101892A (ja) * 1985-10-28 1987-05-12 Kawasaki Heavy Ind Ltd 油圧ポンプの入力制御装置
JPH02227571A (ja) * 1989-02-28 1990-09-10 Toshiba Mach Co Ltd ポンプの吐出流量制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62101892A (ja) * 1985-10-28 1987-05-12 Kawasaki Heavy Ind Ltd 油圧ポンプの入力制御装置
JPH02227571A (ja) * 1989-02-28 1990-09-10 Toshiba Mach Co Ltd ポンプの吐出流量制御装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996008652A1 (fr) * 1994-09-14 1996-03-21 Komatsu Ltd. Unite de commande de capacite d'une pompe hydraulique a capacite variable
US5839885A (en) * 1994-09-14 1998-11-24 Komatsu Ltd. Capacity control apparatus for a variable capacity hydraulic pump

Also Published As

Publication number Publication date
JP2560290Y2 (ja) 1998-01-21

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