JPS623010B2 - - Google Patents

Info

Publication number
JPS623010B2
JPS623010B2 JP55039116A JP3911680A JPS623010B2 JP S623010 B2 JPS623010 B2 JP S623010B2 JP 55039116 A JP55039116 A JP 55039116A JP 3911680 A JP3911680 A JP 3911680A JP S623010 B2 JPS623010 B2 JP S623010B2
Authority
JP
Japan
Prior art keywords
valve
pressure
steering
pump
discharge
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
JP55039116A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56139319A (en
Inventor
Tadao Karakama
Kazuo Uehara
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP3911680A priority Critical patent/JPS56139319A/ja
Publication of JPS56139319A publication Critical patent/JPS56139319A/ja
Publication of JPS623010B2 publication Critical patent/JPS623010B2/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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • 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

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)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
  • Fluid-Pressure Circuits (AREA)
JP3911680A 1980-03-28 1980-03-28 Liquid pressure circuit for construction machine Granted JPS56139319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3911680A JPS56139319A (en) 1980-03-28 1980-03-28 Liquid pressure circuit for construction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3911680A JPS56139319A (en) 1980-03-28 1980-03-28 Liquid pressure circuit for construction machine

Publications (2)

Publication Number Publication Date
JPS56139319A JPS56139319A (en) 1981-10-30
JPS623010B2 true JPS623010B2 (US20090163788A1-20090625-C00002.png) 1987-01-22

Family

ID=12544104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3911680A Granted JPS56139319A (en) 1980-03-28 1980-03-28 Liquid pressure circuit for construction machine

Country Status (1)

Country Link
JP (1) JPS56139319A (US20090163788A1-20090625-C00002.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0421200Y2 (US20090163788A1-20090625-C00002.png) * 1987-12-23 1992-05-14

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5946910A (en) * 1995-05-17 1999-09-07 Komatsu Ltd. Hydraulic circuit for hydraulically driven working vehicle
CN110630571B (zh) * 2019-09-26 2021-04-13 湖北航天技术研究院特种车辆技术中心 一种对中控制阀组

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0421200Y2 (US20090163788A1-20090625-C00002.png) * 1987-12-23 1992-05-14

Also Published As

Publication number Publication date
JPS56139319A (en) 1981-10-30

Similar Documents

Publication Publication Date Title
CA1058059A (en) Brake and steering system
US4517800A (en) Hydraulic control system for off-highway self-propelled work machines
US4070858A (en) Brake and steering system
JPS5847377B2 (ja) 自動車の液圧装置
US3915253A (en) Load sensing steering system
US4332303A (en) Auxiliary power steering
JPH0529586B2 (US20090163788A1-20090625-C00002.png)
JPS623010B2 (US20090163788A1-20090625-C00002.png)
US3016247A (en) Curve stabilization arrangement, particularly for motor vehicles
US4067193A (en) Combined hydrostatic transmission implement system
JPS625385Y2 (US20090163788A1-20090625-C00002.png)
JP4107454B2 (ja) 油圧駆動冷却ファン装置
CA1040062A (en) Hydraulic system for tractor brake steering and loader valves
US4716730A (en) Hydrostatic drive
JP2001219857A (ja) 車両の油圧式パワーステアリング装置
JPS6134905Y2 (US20090163788A1-20090625-C00002.png)
JP3736657B2 (ja) 油圧モータの駆動システム
JP2860728B2 (ja) 産業車両の油圧回路
JPS60175805A (ja) ステアリング・作業機用油圧回路
JPS6313493B2 (US20090163788A1-20090625-C00002.png)
JP2749611B2 (ja) ロードセンシングシステムを用いた油圧駆動装置
CA1159747A (en) Flow distribution system for pressure medium
JPH0128177B2 (US20090163788A1-20090625-C00002.png)
JPH0227010Y2 (US20090163788A1-20090625-C00002.png)
JPS62188806A (ja) 油圧式作業機械の作動油クーリング装置