JPS6313493B2 - - Google Patents

Info

Publication number
JPS6313493B2
JPS6313493B2 JP55039114A JP3911480A JPS6313493B2 JP S6313493 B2 JPS6313493 B2 JP S6313493B2 JP 55039114 A JP55039114 A JP 55039114A JP 3911480 A JP3911480 A JP 3911480A JP S6313493 B2 JPS6313493 B2 JP S6313493B2
Authority
JP
Japan
Prior art keywords
valve
pressure
steering
demand
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
Application number
JP55039114A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56139317A (en
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 JPS56139317A (en) 1981-10-30
JPS6313493B2 true 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 (1)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
WO2009118924A1 (ja) * 2008-03-27 2009-10-01 三菱重工業株式会社 ハイブリッド型産業車両

Cited By (1)

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

Also Published As

Publication number Publication date
JPS56139317A (en) 1981-10-30

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