JPS6338506B2 - - Google Patents

Info

Publication number
JPS6338506B2
JPS6338506B2 JP57194888A JP19488882A JPS6338506B2 JP S6338506 B2 JPS6338506 B2 JP S6338506B2 JP 57194888 A JP57194888 A JP 57194888A JP 19488882 A JP19488882 A JP 19488882A JP S6338506 B2 JPS6338506 B2 JP S6338506B2
Authority
JP
Japan
Prior art keywords
swing
pressure
control valve
pump
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
Application number
JP57194888A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5985046A (ja
Inventor
Takahiro Kobayashi
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP57194888A priority Critical patent/JPS5985046A/ja
Publication of JPS5985046A publication Critical patent/JPS5985046A/ja
Publication of JPS6338506B2 publication Critical patent/JPS6338506B2/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
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement 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)
JP57194888A 1982-11-05 1982-11-05 油圧シヨベルの油圧回路 Granted JPS5985046A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57194888A JPS5985046A (ja) 1982-11-05 1982-11-05 油圧シヨベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57194888A JPS5985046A (ja) 1982-11-05 1982-11-05 油圧シヨベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS5985046A JPS5985046A (ja) 1984-05-16
JPS6338506B2 true JPS6338506B2 (US07816562-20101019-C00012.png) 1988-08-01

Family

ID=16331989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57194888A Granted JPS5985046A (ja) 1982-11-05 1982-11-05 油圧シヨベルの油圧回路

Country Status (1)

Country Link
JP (1) JPS5985046A (US07816562-20101019-C00012.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0298349A (ja) * 1988-10-04 1990-04-10 Nidek Co Ltd 半導体レーザ治療装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4809586A (en) * 1987-09-11 1989-03-07 Deere & Company Hydraulic system for a work vehicle
JP3865590B2 (ja) 2001-02-19 2007-01-10 日立建機株式会社 建設機械の油圧回路
JP4794468B2 (ja) * 2007-01-22 2011-10-19 日立建機株式会社 建設機械のポンプ制御装置
JP5130353B2 (ja) * 2008-03-31 2013-01-30 株式会社小松製作所 建設機械の旋回駆動制御システム
JP6262676B2 (ja) * 2015-02-06 2018-01-17 株式会社日立建機ティエラ 建設機械の油圧駆動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0298349A (ja) * 1988-10-04 1990-04-10 Nidek Co Ltd 半導体レーザ治療装置

Also Published As

Publication number Publication date
JPS5985046A (ja) 1984-05-16

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