JPH0410534B2 - - Google Patents

Info

Publication number
JPH0410534B2
JPH0410534B2 JP58137583A JP13758383A JPH0410534B2 JP H0410534 B2 JPH0410534 B2 JP H0410534B2 JP 58137583 A JP58137583 A JP 58137583A JP 13758383 A JP13758383 A JP 13758383A JP H0410534 B2 JPH0410534 B2 JP H0410534B2
Authority
JP
Japan
Prior art keywords
valve
valves
switching
switching valve
logic
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
JP58137583A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6030734A (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 JP58137583A priority Critical patent/JPS6030734A/ja
Publication of JPS6030734A publication Critical patent/JPS6030734A/ja
Publication of JPH0410534B2 publication Critical patent/JPH0410534B2/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)
JP58137583A 1983-07-29 1983-07-29 油圧ショベルの油圧回路 Granted JPS6030734A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58137583A JPS6030734A (ja) 1983-07-29 1983-07-29 油圧ショベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58137583A JPS6030734A (ja) 1983-07-29 1983-07-29 油圧ショベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS6030734A JPS6030734A (ja) 1985-02-16
JPH0410534B2 true JPH0410534B2 (enEXAMPLES) 1992-02-25

Family

ID=15202104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58137583A Granted JPS6030734A (ja) 1983-07-29 1983-07-29 油圧ショベルの油圧回路

Country Status (1)

Country Link
JP (1) JPS6030734A (enEXAMPLES)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4541209B2 (ja) * 2005-03-31 2010-09-08 ナブテスコ株式会社 油圧回路
JP5572827B2 (ja) * 2011-01-17 2014-08-20 日立建機株式会社 作業機械の油圧回路システム

Also Published As

Publication number Publication date
JPS6030734A (ja) 1985-02-16

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