JPS6342051B2 - - Google Patents

Info

Publication number
JPS6342051B2
JPS6342051B2 JP57037428A JP3742882A JPS6342051B2 JP S6342051 B2 JPS6342051 B2 JP S6342051B2 JP 57037428 A JP57037428 A JP 57037428A JP 3742882 A JP3742882 A JP 3742882A JP S6342051 B2 JPS6342051 B2 JP S6342051B2
Authority
JP
Japan
Prior art keywords
valve
oil passage
load pressure
hydraulic
oil
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
JP57037428A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58153831A (ja
Inventor
Enji Doisaki
Shoichi Hata
Kazunori Yoshino
Atsushi Masuzawa
Katsuaki Toda
Kazunori Furuta
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.)
Caterpillar Japan Ltd
Original Assignee
Shin Caterpillar Mitsubishi 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 Shin Caterpillar Mitsubishi Ltd filed Critical Shin Caterpillar Mitsubishi Ltd
Priority to JP57037428A priority Critical patent/JPS58153831A/ja
Publication of JPS58153831A publication Critical patent/JPS58153831A/ja
Publication of JPS6342051B2 publication Critical patent/JPS6342051B2/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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • 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

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)
JP57037428A 1982-03-10 1982-03-10 油圧シヨベルの油圧回路装置 Granted JPS58153831A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57037428A JPS58153831A (ja) 1982-03-10 1982-03-10 油圧シヨベルの油圧回路装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57037428A JPS58153831A (ja) 1982-03-10 1982-03-10 油圧シヨベルの油圧回路装置

Publications (2)

Publication Number Publication Date
JPS58153831A JPS58153831A (ja) 1983-09-13
JPS6342051B2 true JPS6342051B2 (pt) 1988-08-19

Family

ID=12497236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57037428A Granted JPS58153831A (ja) 1982-03-10 1982-03-10 油圧シヨベルの油圧回路装置

Country Status (1)

Country Link
JP (1) JPS58153831A (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60178061U (ja) * 1984-05-02 1985-11-26 株式会社小松製作所 パワシヨベルの油圧回路
JPS60245809A (ja) * 1984-05-19 1985-12-05 Kayaba Ind Co Ltd 合流制御弁
WO1990013713A1 (en) * 1989-04-28 1990-11-15 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit apparatus of hydraulic excavator
JP3901470B2 (ja) 2001-05-15 2007-04-04 新キャタピラー三菱株式会社 流体圧回路の制御システム
JP2008032175A (ja) * 2006-07-31 2008-02-14 Shin Caterpillar Mitsubishi Ltd 流体圧回路

Also Published As

Publication number Publication date
JPS58153831A (ja) 1983-09-13

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