JPH02225806A - 作業機シリンダの圧油供給制御方法 - Google Patents

作業機シリンダの圧油供給制御方法

Info

Publication number
JPH02225806A
JPH02225806A JP1063959A JP6395989A JPH02225806A JP H02225806 A JPH02225806 A JP H02225806A JP 1063959 A JP1063959 A JP 1063959A JP 6395989 A JP6395989 A JP 6395989A JP H02225806 A JPH02225806 A JP H02225806A
Authority
JP
Japan
Prior art keywords
chamber
valve
spool
pressure
cylinder
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.)
Granted
Application number
JP1063959A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0454083B2 (cs
Inventor
Isao Oki
沖　勲
Shozo Shimizu
清水　昭蔵
Mitsuharu Yamashita
光治 山下
Mitsumasa Akashi
光正 明石
Yasusuke Oda
庸介 小田
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 JP1063959A priority Critical patent/JPH02225806A/ja
Publication of JPH02225806A publication Critical patent/JPH02225806A/ja
Publication of JPH0454083B2 publication Critical patent/JPH0454083B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
JP1063959A 1989-03-17 1989-03-17 作業機シリンダの圧油供給制御方法 Granted JPH02225806A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1063959A JPH02225806A (ja) 1989-03-17 1989-03-17 作業機シリンダの圧油供給制御方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1063959A JPH02225806A (ja) 1989-03-17 1989-03-17 作業機シリンダの圧油供給制御方法

Related Parent Applications (1)

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

Publications (2)

Publication Number Publication Date
JPH02225806A true JPH02225806A (ja) 1990-09-07
JPH0454083B2 JPH0454083B2 (cs) 1992-08-28

Family

ID=13244361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1063959A Granted JPH02225806A (ja) 1989-03-17 1989-03-17 作業機シリンダの圧油供給制御方法

Country Status (1)

Country Link
JP (1) JPH02225806A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3558374B2 (ja) * 1994-08-10 2004-08-25 クボタ精機株式会社 バルブシステム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840049A (en) * 1973-08-08 1974-10-08 Caterpillar Tractor Co Compact fluid motor control system with float position
JPS5954802A (ja) * 1982-09-24 1984-03-29 Komatsu Ltd 作業機の駆動回路装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3840049A (en) * 1973-08-08 1974-10-08 Caterpillar Tractor Co Compact fluid motor control system with float position
JPS5954802A (ja) * 1982-09-24 1984-03-29 Komatsu Ltd 作業機の駆動回路装置

Also Published As

Publication number Publication date
JPH0454083B2 (cs) 1992-08-28

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