JPS56139317A - Liquid pressure circuit for construction machine - Google Patents

Liquid pressure circuit for construction machine

Info

Publication number
JPS56139317A
JPS56139317A JP3911480A JP3911480A JPS56139317A JP S56139317 A JPS56139317 A JP S56139317A JP 3911480 A JP3911480 A JP 3911480A JP 3911480 A JP3911480 A JP 3911480A JP S56139317 A JPS56139317 A JP S56139317A
Authority
JP
Japan
Prior art keywords
valve
steering
discharge pressure
pump
pumps
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
JP3911480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6313493B2 (ko
Inventor
Tadao Karakama
Kazuo Uehara
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 JP3911480A priority Critical patent/JPS56139317A/ja
Publication of JPS56139317A publication Critical patent/JPS56139317A/ja
Publication of JPS6313493B2 publication Critical patent/JPS6313493B2/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
    • E02F9/2292—Systems with two or more pumps
    • 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
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP3911480A 1980-03-28 1980-03-28 Liquid pressure circuit for construction machine Granted JPS56139317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3911480A JPS56139317A (en) 1980-03-28 1980-03-28 Liquid pressure circuit for construction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3911480A JPS56139317A (en) 1980-03-28 1980-03-28 Liquid pressure circuit for construction machine

Publications (2)

Publication Number Publication Date
JPS56139317A true JPS56139317A (en) 1981-10-30
JPS6313493B2 JPS6313493B2 (ko) 1988-03-25

Family

ID=12544044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3911480A Granted JPS56139317A (en) 1980-03-28 1980-03-28 Liquid pressure circuit for construction machine

Country Status (1)

Country Link
JP (1) JPS56139317A (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007239757A (ja) * 2006-02-10 2007-09-20 Kayaba Ind Co Ltd エネルギー変換装置
JP2007263157A (ja) * 2006-03-27 2007-10-11 Kayaba Ind Co Ltd エネルギー変換装置
EP2255986A4 (en) * 2008-03-27 2018-05-02 Mitsubishi Nichiyu Forklift Co., Ltd. Hybrid industrial vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0392079U (ko) * 1989-12-30 1991-09-19

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007239757A (ja) * 2006-02-10 2007-09-20 Kayaba Ind Co Ltd エネルギー変換装置
JP4684134B2 (ja) * 2006-02-10 2011-05-18 カヤバ工業株式会社 エネルギー変換装置
JP2007263157A (ja) * 2006-03-27 2007-10-11 Kayaba Ind Co Ltd エネルギー変換装置
JP4704259B2 (ja) * 2006-03-27 2011-06-15 カヤバ工業株式会社 エネルギー変換装置
EP2255986A4 (en) * 2008-03-27 2018-05-02 Mitsubishi Nichiyu Forklift Co., Ltd. Hybrid industrial vehicle

Also Published As

Publication number Publication date
JPS6313493B2 (ko) 1988-03-25

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