JPS6315417B2 - - Google Patents

Info

Publication number
JPS6315417B2
JPS6315417B2 JP15578380A JP15578380A JPS6315417B2 JP S6315417 B2 JPS6315417 B2 JP S6315417B2 JP 15578380 A JP15578380 A JP 15578380A JP 15578380 A JP15578380 A JP 15578380A JP S6315417 B2 JPS6315417 B2 JP S6315417B2
Authority
JP
Japan
Prior art keywords
valve
pilot
hydraulic pump
hydraulic motor
hold
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
JP15578380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5781536A (en
Inventor
Sotaro Tanaka
Takeshi Yamaguchi
Yasuo Sakaki
Takashi Yagyu
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 JP15578380A priority Critical patent/JPS5781536A/ja
Publication of JPS5781536A publication Critical patent/JPS5781536A/ja
Publication of JPS6315417B2 publication Critical patent/JPS6315417B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Control Of Fluid Gearings (AREA)
JP15578380A 1980-11-07 1980-11-07 Turnable oil-pressure closed circuit for construction machinery Granted JPS5781536A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15578380A JPS5781536A (en) 1980-11-07 1980-11-07 Turnable oil-pressure closed circuit for construction machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15578380A JPS5781536A (en) 1980-11-07 1980-11-07 Turnable oil-pressure closed circuit for construction machinery

Publications (2)

Publication Number Publication Date
JPS5781536A JPS5781536A (en) 1982-05-21
JPS6315417B2 true JPS6315417B2 (cs) 1988-04-05

Family

ID=15613311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15578380A Granted JPS5781536A (en) 1980-11-07 1980-11-07 Turnable oil-pressure closed circuit for construction machinery

Country Status (1)

Country Link
JP (1) JPS5781536A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011773A (ja) * 1983-06-30 1985-01-22 Komatsu Ltd 油圧閉回路の制御装置

Also Published As

Publication number Publication date
JPS5781536A (en) 1982-05-21

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