JPH0552375B2 - - Google Patents

Info

Publication number
JPH0552375B2
JPH0552375B2 JP64686A JP64686A JPH0552375B2 JP H0552375 B2 JPH0552375 B2 JP H0552375B2 JP 64686 A JP64686 A JP 64686A JP 64686 A JP64686 A JP 64686A JP H0552375 B2 JPH0552375 B2 JP H0552375B2
Authority
JP
Japan
Prior art keywords
maximum
rotation speed
engine
control device
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
JP64686A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62160332A (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 JP64686A priority Critical patent/JPS62160332A/ja
Publication of JPS62160332A publication Critical patent/JPS62160332A/ja
Publication of JPH0552375B2 publication Critical patent/JPH0552375B2/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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Motor Power Transmission Devices (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
JP64686A 1986-01-08 1986-01-08 エンジン・油圧ポンプの制御装置 Granted JPS62160332A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP64686A JPS62160332A (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
JP64686A JPS62160332A (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
JPS62160332A JPS62160332A (ja) 1987-07-16
JPH0552375B2 true JPH0552375B2 (en]) 1993-08-05

Family

ID=11479468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP64686A Granted JPS62160332A (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) JPS62160332A (en])

Also Published As

Publication number Publication date
JPS62160332A (ja) 1987-07-16

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term