JP2560290Y2 - 可変容量型油圧ポンプの容量制御装置 - Google Patents

可変容量型油圧ポンプの容量制御装置

Info

Publication number
JP2560290Y2
JP2560290Y2 JP1990104511U JP10451190U JP2560290Y2 JP 2560290 Y2 JP2560290 Y2 JP 2560290Y2 JP 1990104511 U JP1990104511 U JP 1990104511U JP 10451190 U JP10451190 U JP 10451190U JP 2560290 Y2 JP2560290 Y2 JP 2560290Y2
Authority
JP
Japan
Prior art keywords
pressure
capacity
pressure receiving
control valve
discharge
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.)
Expired - Lifetime
Application number
JP1990104511U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0462378U (en, 2012
Inventor
一男 上原
健治 森野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 by Komatsu Ltd filed Critical Komatsu Ltd
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)
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 JPH0462378U (en, 2012) 1992-05-28
JP2560290Y2 true 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 (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3562657B2 (ja) * 1994-09-14 2004-09-08 株式会社小松製作所 可変容量油圧ポンプの容量制御装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0617670B2 (ja) * 1985-10-28 1994-03-09 川崎重工業株式会社 油圧ポンプの入力制御装置
JP2798411B2 (ja) * 1989-02-28 1998-09-17 東芝機械株式会社 ポンプの吐出流量制御装置

Also Published As

Publication number Publication date
JPH0462378U (en, 2012) 1992-05-28

Similar Documents

Publication Publication Date Title
JP3064574B2 (ja) 油圧掘削機における作業油量切換制御装置
US5469646A (en) Fine operation mode changeover device for hydraulic excavator
JPS6115306B2 (en, 2012)
US4768340A (en) Automatic displacement control for variable displacement motor
JPH0374605A (ja) 作業機シリンダの圧油供給装置
JP2560290Y2 (ja) 可変容量型油圧ポンプの容量制御装置
JP3526885B2 (ja) 2台の可変吐出量油圧ポンプ用の動力制御装置
JP2560291Y2 (ja) 可変容量型油圧ポンプの容量制御装置
JPH10267004A (ja) 流体制御方法およびその装置
JP3099538B2 (ja) 方向制御弁の切換制御装置
JPS595163B2 (ja) クレ−ン等の速度制御回路
JP3483345B2 (ja) 油圧駆動回路の油圧制御装置
JP2563848Y2 (ja) 建設機械の制御回路
JPH0517202U (ja) 油圧駆動装置
JPH0752201Y2 (ja) 可変容量油圧ポンプを有する作業機の油圧装置
JPH0735161Y2 (ja) 油圧走行車両等の液圧ポンプ制御装置
JP2593139Y2 (ja) 油圧ポンプの吐出量制御装置
JPH0723589Y2 (ja) 可変容量形ポンプ
JPH0849658A (ja) 可変容量ポンプの斜板制御装置
JP2532317Y2 (ja) クロ―ラ形車両の走行制御装置
JPH0628305U (ja) 建設機械の制御回路
JP2652303B2 (ja) 2段階カットオフ機能を有する可変容量形油圧ポンプの馬力制御装置
JP2837173B2 (ja) 制御弁装置
JP3064520B2 (ja) 油圧掘削機における作業油量切換制御装置
JP2556999B2 (ja) 油圧回路