JPS6128856B2 - - Google Patents

Info

Publication number
JPS6128856B2
JPS6128856B2 JP1746881A JP1746881A JPS6128856B2 JP S6128856 B2 JPS6128856 B2 JP S6128856B2 JP 1746881 A JP1746881 A JP 1746881A JP 1746881 A JP1746881 A JP 1746881A JP S6128856 B2 JPS6128856 B2 JP S6128856B2
Authority
JP
Japan
Prior art keywords
hydraulic
valve
pressure
valves
hydraulic pump
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
JP1746881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57134062A (en
Inventor
Yukio Aoyanagi
Eiki Izumi
Takeshi Yamaguchi
Sotaro Tanaka
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 JP1746881A priority Critical patent/JPS57134062A/ja
Priority to US06/346,249 priority patent/US4561250A/en
Priority to EP82100900A priority patent/EP0057930B1/en
Priority to DE8282100900T priority patent/DE3264974D1/de
Publication of JPS57134062A publication Critical patent/JPS57134062A/ja
Publication of JPS6128856B2 publication Critical patent/JPS6128856B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • E02F9/123—Drives or control devices specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
JP1746881A 1981-02-10 1981-02-10 Controller for hydraulic system equipped with plural number of motor Granted JPS57134062A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1746881A JPS57134062A (en) 1981-02-10 1981-02-10 Controller for hydraulic system equipped with plural number of motor
US06/346,249 US4561250A (en) 1981-02-10 1982-02-05 Hydraulic drive system having a plurality of prime movers
EP82100900A EP0057930B1 (en) 1981-02-10 1982-02-08 Hydraulic drive system having a plurality of prime movers
DE8282100900T DE3264974D1 (en) 1981-02-10 1982-02-08 Hydraulic drive system having a plurality of prime movers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1746881A JPS57134062A (en) 1981-02-10 1981-02-10 Controller for hydraulic system equipped with plural number of motor

Publications (2)

Publication Number Publication Date
JPS57134062A JPS57134062A (en) 1982-08-19
JPS6128856B2 true JPS6128856B2 (enrdf_load_stackoverflow) 1986-07-03

Family

ID=11944845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1746881A Granted JPS57134062A (en) 1981-02-10 1981-02-10 Controller for hydraulic system equipped with plural number of motor

Country Status (1)

Country Link
JP (1) JPS57134062A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007084710A2 (en) * 2006-01-20 2007-07-26 Aldila, Inc. Golf club shaft and method of producing the same

Also Published As

Publication number Publication date
JPS57134062A (en) 1982-08-19

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