JPH0549772B2 - - Google Patents

Info

Publication number
JPH0549772B2
JPH0549772B2 JP64786A JP64786A JPH0549772B2 JP H0549772 B2 JPH0549772 B2 JP H0549772B2 JP 64786 A JP64786 A JP 64786A JP 64786 A JP64786 A JP 64786A JP H0549772 B2 JPH0549772 B2 JP H0549772B2
Authority
JP
Japan
Prior art keywords
maximum
engine
control device
rotation speed
discharge volume
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
JP64786A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62160333A (ja
Inventor
Masakazu Haga
Toichi Hirata
Hideaki Tanaka
Genroku Sugyama
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP64786A priority Critical patent/JPS62160333A/ja
Publication of JPS62160333A publication Critical patent/JPS62160333A/ja
Publication of JPH0549772B2 publication Critical patent/JPH0549772B2/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
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller

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)
  • Control Of Fluid Gearings (AREA)
  • Operation Control Of Excavators (AREA)
  • Motor Power Transmission Devices (AREA)
  • Fluid-Pressure Circuits (AREA)
JP64786A 1986-01-08 1986-01-08 エンジン・油圧ポンプの制御装置 Granted JPS62160333A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP64786A JPS62160333A (ja) 1986-01-08 1986-01-08 エンジン・油圧ポンプの制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP64786A JPS62160333A (ja) 1986-01-08 1986-01-08 エンジン・油圧ポンプの制御装置

Publications (2)

Publication Number Publication Date
JPS62160333A JPS62160333A (ja) 1987-07-16
JPH0549772B2 true JPH0549772B2 (US20080293856A1-20081127-C00150.png) 1993-07-27

Family

ID=11479495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP64786A Granted JPS62160333A (ja) 1986-01-08 1986-01-08 エンジン・油圧ポンプの制御装置

Country Status (1)

Country Link
JP (1) JPS62160333A (US20080293856A1-20081127-C00150.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH086837Y2 (ja) * 1989-10-31 1996-02-28 油谷重工株式会社 走行速度の制限回路
JPH04181064A (ja) * 1990-11-13 1992-06-29 Mitsubishi Agricult Mach Co Ltd 作業用走行車における油圧変速機構の変速制御装置
JP5081525B2 (ja) * 2007-07-26 2012-11-28 日立建機株式会社 作業車両の走行制御装置

Also Published As

Publication number Publication date
JPS62160333A (ja) 1987-07-16

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term