JPH049891B2 - - Google Patents

Info

Publication number
JPH049891B2
JPH049891B2 JP58137580A JP13758083A JPH049891B2 JP H049891 B2 JPH049891 B2 JP H049891B2 JP 58137580 A JP58137580 A JP 58137580A JP 13758083 A JP13758083 A JP 13758083A JP H049891 B2 JPH049891 B2 JP H049891B2
Authority
JP
Japan
Prior art keywords
valve
switching
valves
switching valve
control valve
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
JP58137580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6030731A (ja
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 filed Critical
Priority to JP58137580A priority Critical patent/JPS6030731A/ja
Publication of JPS6030731A publication Critical patent/JPS6030731A/ja
Publication of JPH049891B2 publication Critical patent/JPH049891B2/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)
  • Motor Power Transmission Devices (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
JP58137580A 1983-07-29 1983-07-29 油圧シヨベルの油圧回路 Granted JPS6030731A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58137580A JPS6030731A (ja) 1983-07-29 1983-07-29 油圧シヨベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58137580A JPS6030731A (ja) 1983-07-29 1983-07-29 油圧シヨベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS6030731A JPS6030731A (ja) 1985-02-16
JPH049891B2 true JPH049891B2 (enrdf_load_stackoverflow) 1992-02-21

Family

ID=15202037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58137580A Granted JPS6030731A (ja) 1983-07-29 1983-07-29 油圧シヨベルの油圧回路

Country Status (1)

Country Link
JP (1) JPS6030731A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6231705A (ja) * 1985-08-02 1987-02-10 Komatsu Ltd 液圧式建設機械の液圧回路装置

Also Published As

Publication number Publication date
JPS6030731A (ja) 1985-02-16

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