JPS6129425B2 - - Google Patents

Info

Publication number
JPS6129425B2
JPS6129425B2 JP7865781A JP7865781A JPS6129425B2 JP S6129425 B2 JPS6129425 B2 JP S6129425B2 JP 7865781 A JP7865781 A JP 7865781A JP 7865781 A JP7865781 A JP 7865781A JP S6129425 B2 JPS6129425 B2 JP S6129425B2
Authority
JP
Japan
Prior art keywords
pressure
control
valve
pilot
actuator
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
JP7865781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57195955A (en
Inventor
Yasuo Tanaka
Kozo Ono
Eiki Izumi
Masahiko Shimotori
Kunihiko Yoshida
Yasuharu Goto
Sotaro Tanaka
Yukio Aoyanagi
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 JP7865781A priority Critical patent/JPS57195955A/ja
Publication of JPS57195955A publication Critical patent/JPS57195955A/ja
Publication of JPS6129425B2 publication Critical patent/JPS6129425B2/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
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Fluid Gearings (AREA)
JP7865781A 1981-05-26 1981-05-26 Control unit for hydraulic system Granted JPS57195955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7865781A JPS57195955A (en) 1981-05-26 1981-05-26 Control unit for hydraulic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7865781A JPS57195955A (en) 1981-05-26 1981-05-26 Control unit for hydraulic system

Publications (2)

Publication Number Publication Date
JPS57195955A JPS57195955A (en) 1982-12-01
JPS6129425B2 true JPS6129425B2 (enExample) 1986-07-07

Family

ID=13667924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7865781A Granted JPS57195955A (en) 1981-05-26 1981-05-26 Control unit for hydraulic system

Country Status (1)

Country Link
JP (1) JPS57195955A (enExample)

Also Published As

Publication number Publication date
JPS57195955A (en) 1982-12-01

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