JPH0371562B2 - - Google Patents

Info

Publication number
JPH0371562B2
JPH0371562B2 JP57165072A JP16507282A JPH0371562B2 JP H0371562 B2 JPH0371562 B2 JP H0371562B2 JP 57165072 A JP57165072 A JP 57165072A JP 16507282 A JP16507282 A JP 16507282A JP H0371562 B2 JPH0371562 B2 JP H0371562B2
Authority
JP
Japan
Prior art keywords
spool
valve
chamber
pump
control valve
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
JP57165072A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5954802A (ja
Inventor
Isao Oki
Shozo Shimizu
Mitsuharu Yamashita
Mitsumasa Akashi
Yasusuke Oda
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP57165072A priority Critical patent/JPS5954802A/ja
Publication of JPS5954802A publication Critical patent/JPS5954802A/ja
Publication of JPH0371562B2 publication Critical patent/JPH0371562B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP57165072A 1982-09-24 1982-09-24 作業機の駆動回路装置 Granted JPS5954802A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57165072A JPS5954802A (ja) 1982-09-24 1982-09-24 作業機の駆動回路装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57165072A JPS5954802A (ja) 1982-09-24 1982-09-24 作業機の駆動回路装置

Related Child Applications (4)

Application Number Title Priority Date Filing Date
JP1063959A Division JPH02225806A (ja) 1989-03-17 1989-03-17 作業機シリンダの圧油供給制御方法
JP1063957A Division JPH0272204A (ja) 1989-03-17 1989-03-17 バルブ
JP1063958A Division JPH0276908A (ja) 1989-03-17 1989-03-17 圧油供給方法
JP1063960A Division JPH0276910A (ja) 1989-03-17 1989-03-17 油圧回路

Publications (2)

Publication Number Publication Date
JPS5954802A JPS5954802A (ja) 1984-03-29
JPH0371562B2 true JPH0371562B2 (enEXAMPLES) 1991-11-13

Family

ID=15805333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57165072A Granted JPS5954802A (ja) 1982-09-24 1982-09-24 作業機の駆動回路装置

Country Status (1)

Country Link
JP (1) JPS5954802A (enEXAMPLES)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0276908A (ja) * 1989-03-17 1990-03-16 Komatsu Ltd 圧油供給方法
JPH0272204A (ja) * 1989-03-17 1990-03-12 Komatsu Ltd バルブ
JPH02225806A (ja) * 1989-03-17 1990-09-07 Komatsu Ltd 作業機シリンダの圧油供給制御方法

Also Published As

Publication number Publication date
JPS5954802A (ja) 1984-03-29

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