JPS6151701B2 - - Google Patents

Info

Publication number
JPS6151701B2
JPS6151701B2 JP56019067A JP1906781A JPS6151701B2 JP S6151701 B2 JPS6151701 B2 JP S6151701B2 JP 56019067 A JP56019067 A JP 56019067A JP 1906781 A JP1906781 A JP 1906781A JP S6151701 B2 JPS6151701 B2 JP S6151701B2
Authority
JP
Japan
Prior art keywords
hydraulic
valve
pressure
motor
servo
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
JP56019067A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57134064A (en
Inventor
Yukio Aoyanagi
Eiki Izumi
Sotaro Tanaka
Takeshi Yamaguchi
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 JP1906781A priority Critical patent/JPS57134064A/ja
Priority to DE8181110687T priority patent/DE3171629D1/de
Priority to EP19810110687 priority patent/EP0056865B1/en
Priority to US06/333,555 priority patent/US4571941A/en
Publication of JPS57134064A publication Critical patent/JPS57134064A/ja
Publication of JPS6151701B2 publication Critical patent/JPS6151701B2/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
    • F16H61/4157—Control of braking, e.g. preventing pump over-speeding when motor acts as a 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
    • E02F9/08—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
    • 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
    • F16H61/46—Automatic regulation in accordance with output requirements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
JP1906781A 1980-12-27 1981-02-13 Controller for hydraulic system Granted JPS57134064A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1906781A JPS57134064A (en) 1981-02-13 1981-02-13 Controller for hydraulic system
DE8181110687T DE3171629D1 (en) 1980-12-27 1981-12-22 Hydraulic power system
EP19810110687 EP0056865B1 (en) 1980-12-27 1981-12-22 Hydraulic power system
US06/333,555 US4571941A (en) 1980-12-27 1981-12-22 Hydraulic power system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1906781A JPS57134064A (en) 1981-02-13 1981-02-13 Controller for hydraulic system

Publications (2)

Publication Number Publication Date
JPS57134064A JPS57134064A (en) 1982-08-19
JPS6151701B2 true JPS6151701B2 (US07860544-20101228-C00003.png) 1986-11-10

Family

ID=11989078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1906781A Granted JPS57134064A (en) 1980-12-27 1981-02-13 Controller for hydraulic system

Country Status (1)

Country Link
JP (1) JPS57134064A (US07860544-20101228-C00003.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5419132A (en) * 1992-07-14 1995-05-30 Hitachi Construction Machinery Co., Ltd. Inertial body drive mechanism
KR960023541A (ko) * 1994-12-08 1996-07-20 안자키 사토루 유압 액츄에이터의 반전방지장치
US5938224A (en) * 1996-04-08 1999-08-17 Brackett; Douglas C. Hydraulic bicycle with conjugate drive motors and variable stroke crankshaft

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5016231A (US07860544-20101228-C00003.png) * 1973-06-20 1975-02-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5016231A (US07860544-20101228-C00003.png) * 1973-06-20 1975-02-20

Also Published As

Publication number Publication date
JPS57134064A (en) 1982-08-19

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