JPS58153831A - 油圧シヨベルの油圧回路装置 - Google Patents

油圧シヨベルの油圧回路装置

Info

Publication number
JPS58153831A
JPS58153831A JP57037428A JP3742882A JPS58153831A JP S58153831 A JPS58153831 A JP S58153831A JP 57037428 A JP57037428 A JP 57037428A JP 3742882 A JP3742882 A JP 3742882A JP S58153831 A JPS58153831 A JP S58153831A
Authority
JP
Japan
Prior art keywords
oil
pulp
pressure
valves
load pressure
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
JP57037428A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6342051B2 (enrdf_load_stackoverflow
Inventor
Enji Doisaki
土居崎 円治
Shoichi Hata
畑 正一
Kazunori Yoshino
和憲 吉野
Atsushi Masuzawa
増沢 淳
Katsuaki Toda
戸田 勝昭
Kazunori Furuta
古田 和則
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries 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

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2221Control of flow rate; Load sensing arrangements
    • E02F9/2239Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2292Systems 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 true JPS58153831A (ja) 1983-09-13
JPS6342051B2 JPS6342051B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (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
WO2002093017A1 (fr) * 2001-05-15 2002-11-21 Shin Caterpillar Mitsubishi Ltd. Systeme de regulation de circuit de pression de fluide
EP2048369A4 (en) * 2006-07-31 2011-02-23 Caterpillar Sarl FLUIDIC PRESSURE CIRCUIT

Cited By (6)

* 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
WO2002093017A1 (fr) * 2001-05-15 2002-11-21 Shin Caterpillar Mitsubishi Ltd. Systeme de regulation de circuit de pression de fluide
US6810663B2 (en) 2001-05-15 2004-11-02 Shin Caterpillar Mitsubishi Ltd. Fluid pressure circuit control system
EP2048369A4 (en) * 2006-07-31 2011-02-23 Caterpillar Sarl FLUIDIC PRESSURE CIRCUIT

Also Published As

Publication number Publication date
JPS6342051B2 (enrdf_load_stackoverflow) 1988-08-19

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