JPH0143163B2 - - Google Patents

Info

Publication number
JPH0143163B2
JPH0143163B2 JP56215836A JP21583681A JPH0143163B2 JP H0143163 B2 JPH0143163 B2 JP H0143163B2 JP 56215836 A JP56215836 A JP 56215836A JP 21583681 A JP21583681 A JP 21583681A JP H0143163 B2 JPH0143163 B2 JP H0143163B2
Authority
JP
Japan
Prior art keywords
port
pump
control valve
oil
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
JP56215836A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58118307A (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 JP56215836A priority Critical patent/JPS58118307A/ja
Publication of JPS58118307A publication Critical patent/JPS58118307A/ja
Publication of JPH0143163B2 publication Critical patent/JPH0143163B2/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
    • 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)
JP56215836A 1981-12-28 1981-12-28 油圧回路 Granted JPS58118307A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56215836A JPS58118307A (ja) 1981-12-28 1981-12-28 油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56215836A JPS58118307A (ja) 1981-12-28 1981-12-28 油圧回路

Publications (2)

Publication Number Publication Date
JPS58118307A JPS58118307A (ja) 1983-07-14
JPH0143163B2 true JPH0143163B2 (ko) 1989-09-19

Family

ID=16679064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56215836A Granted JPS58118307A (ja) 1981-12-28 1981-12-28 油圧回路

Country Status (1)

Country Link
JP (1) JPS58118307A (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6362901A (ja) * 1986-09-04 1988-03-19 Kubota Ltd 農用トラクタ
DE112015000152B3 (de) * 2015-10-28 2018-06-28 Komatsu Ltd. Antriebsvorrichtung einer Baumaschine
CN113494111B (zh) * 2021-07-27 2022-08-05 柳州柳工液压件有限公司 主控阀、定变量液压系统和装载机

Also Published As

Publication number Publication date
JPS58118307A (ja) 1983-07-14

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