JPH0463238B2 - - Google Patents

Info

Publication number
JPH0463238B2
JPH0463238B2 JP58025499A JP2549983A JPH0463238B2 JP H0463238 B2 JPH0463238 B2 JP H0463238B2 JP 58025499 A JP58025499 A JP 58025499A JP 2549983 A JP2549983 A JP 2549983A JP H0463238 B2 JPH0463238 B2 JP H0463238B2
Authority
JP
Japan
Prior art keywords
value
pump
internal combustion
combustion engine
hydraulic pump
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
JP58025499A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59153990A (ja
Inventor
Yasuo Tanaka
Eiki Izumi
Yukio Aoyanagi
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 JP58025499A priority Critical patent/JPS59153990A/ja
Publication of JPS59153990A publication Critical patent/JPS59153990A/ja
Publication of JPH0463238B2 publication Critical patent/JPH0463238B2/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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP58025499A 1983-02-19 1983-02-19 油圧ポンプ駆動系制御装置 Granted JPS59153990A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58025499A JPS59153990A (ja) 1983-02-19 1983-02-19 油圧ポンプ駆動系制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58025499A JPS59153990A (ja) 1983-02-19 1983-02-19 油圧ポンプ駆動系制御装置

Publications (2)

Publication Number Publication Date
JPS59153990A JPS59153990A (ja) 1984-09-01
JPH0463238B2 true JPH0463238B2 (enrdf_load_stackoverflow) 1992-10-09

Family

ID=12167752

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58025499A Granted JPS59153990A (ja) 1983-02-19 1983-02-19 油圧ポンプ駆動系制御装置

Country Status (1)

Country Link
JP (1) JPS59153990A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983099A (en) * 1989-01-19 1991-01-08 Sundstrand Corporation Torque-velocity control for variable displacement hydraulic motor

Also Published As

Publication number Publication date
JPS59153990A (ja) 1984-09-01

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