JPH0143162B2 - - Google Patents

Info

Publication number
JPH0143162B2
JPH0143162B2 JP56215835A JP21583581A JPH0143162B2 JP H0143162 B2 JPH0143162 B2 JP H0143162B2 JP 56215835 A JP56215835 A JP 56215835A JP 21583581 A JP21583581 A JP 21583581A JP H0143162 B2 JPH0143162 B2 JP H0143162B2
Authority
JP
Japan
Prior art keywords
port
pressure
oil
control valve
pressure control
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
JP56215835A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58118306A (ja
Inventor
Toshio Ikeda
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.)
Daikin Industries Ltd
Original Assignee
Daikin Kogyo Co 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 Daikin Kogyo Co Ltd filed Critical Daikin Kogyo Co Ltd
Priority to JP56215835A priority Critical patent/JPS58118306A/ja
Publication of JPS58118306A publication Critical patent/JPS58118306A/ja
Publication of JPH0143162B2 publication Critical patent/JPH0143162B2/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)
JP56215835A 1981-12-28 1981-12-28 油圧回路 Granted JPS58118306A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56215835A JPS58118306A (ja) 1981-12-28 1981-12-28 油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56215835A JPS58118306A (ja) 1981-12-28 1981-12-28 油圧回路

Publications (2)

Publication Number Publication Date
JPS58118306A JPS58118306A (ja) 1983-07-14
JPH0143162B2 true JPH0143162B2 (US07709020-20100504-C00041.png) 1989-09-19

Family

ID=16679048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56215835A Granted JPS58118306A (ja) 1981-12-28 1981-12-28 油圧回路

Country Status (1)

Country Link
JP (1) JPS58118306A (US07709020-20100504-C00041.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0479164U (US07709020-20100504-C00041.png) * 1990-11-22 1992-07-09

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0750426Y2 (ja) * 1988-08-31 1995-11-15 油谷重工株式会社 建設機械の油圧回路
JP3681833B2 (ja) * 1996-09-19 2005-08-10 ヤンマー株式会社 掘削旋回作業機の油圧回路
JP4907231B2 (ja) * 2006-06-06 2012-03-28 カヤバ工業株式会社 エネルギー回生型動力装置
JP6290644B2 (ja) * 2014-02-07 2018-03-07 ナブテスコ株式会社 油圧駆動装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103104A (en) * 1979-02-03 1980-08-07 Kobe Steel Ltd Hydraulic circuit for hydraulic vehicle
JPS56160405A (en) * 1980-05-15 1981-12-10 Daikin Ind Ltd Fluid circuit
JPS56164206A (en) * 1980-05-02 1981-12-17 Bosch Gmbh Robert Hydraulic apparatus with two pumps

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103104A (en) * 1979-02-03 1980-08-07 Kobe Steel Ltd Hydraulic circuit for hydraulic vehicle
JPS56164206A (en) * 1980-05-02 1981-12-17 Bosch Gmbh Robert Hydraulic apparatus with two pumps
JPS56160405A (en) * 1980-05-15 1981-12-10 Daikin Ind Ltd Fluid circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0479164U (US07709020-20100504-C00041.png) * 1990-11-22 1992-07-09

Also Published As

Publication number Publication date
JPS58118306A (ja) 1983-07-14

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