JPS57163701A - Controller of hydraulic unit - Google Patents

Controller of hydraulic unit

Info

Publication number
JPS57163701A
JPS57163701A JP7416081A JP7416081A JPS57163701A JP S57163701 A JPS57163701 A JP S57163701A JP 7416081 A JP7416081 A JP 7416081A JP 7416081 A JP7416081 A JP 7416081A JP S57163701 A JPS57163701 A JP S57163701A
Authority
JP
Japan
Prior art keywords
engine
flow rate
diameter part
pressure
rate feedback
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
JP7416081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6257842B2 (enrdf_load_stackoverflow
Inventor
Katsuro Abe
Shuichi Ichiyama
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP7416081A priority Critical patent/JPS57163701A/ja
Publication of JPS57163701A publication Critical patent/JPS57163701A/ja
Publication of JPS6257842B2 publication Critical patent/JPS6257842B2/ja
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/04—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Fluid-Pressure Circuits (AREA)
JP7416081A 1981-05-19 1981-05-19 Controller of hydraulic unit Granted JPS57163701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7416081A JPS57163701A (en) 1981-05-19 1981-05-19 Controller of hydraulic unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7416081A JPS57163701A (en) 1981-05-19 1981-05-19 Controller of hydraulic unit

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP50129037A Division JPS6011243B2 (ja) 1975-10-27 1975-10-27 油庄ユニツトにあける制御装置

Publications (2)

Publication Number Publication Date
JPS57163701A true JPS57163701A (en) 1982-10-08
JPS6257842B2 JPS6257842B2 (enrdf_load_stackoverflow) 1987-12-03

Family

ID=13539120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7416081A Granted JPS57163701A (en) 1981-05-19 1981-05-19 Controller of hydraulic unit

Country Status (1)

Country Link
JP (1) JPS57163701A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61200344A (ja) * 1985-02-28 1986-09-04 Komatsu Ltd エンジン駆動の可変容量型油圧ポンプの出力制御方法
JPS61200343A (ja) * 1985-02-28 1986-09-04 Komatsu Ltd 油圧ポンプ駆動用エンジンの制御方法
JPS61502114A (ja) * 1984-05-14 1986-09-25 キヤタピラ−　トラクタ−　コムパニ− 静液圧形車輌制御装置
CN110259749A (zh) * 2019-06-29 2019-09-20 潍柴动力股份有限公司 一种功率控制阀块、液压泵组件及工程机械

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61502114A (ja) * 1984-05-14 1986-09-25 キヤタピラ−　トラクタ−　コムパニ− 静液圧形車輌制御装置
JPS61200344A (ja) * 1985-02-28 1986-09-04 Komatsu Ltd エンジン駆動の可変容量型油圧ポンプの出力制御方法
JPS61200343A (ja) * 1985-02-28 1986-09-04 Komatsu Ltd 油圧ポンプ駆動用エンジンの制御方法
CN110259749A (zh) * 2019-06-29 2019-09-20 潍柴动力股份有限公司 一种功率控制阀块、液压泵组件及工程机械

Also Published As

Publication number Publication date
JPS6257842B2 (enrdf_load_stackoverflow) 1987-12-03

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