JPH0621971Y2 - 油圧シヨベルの油圧回路 - Google Patents

油圧シヨベルの油圧回路

Info

Publication number
JPH0621971Y2
JPH0621971Y2 JP1987046188U JP4618887U JPH0621971Y2 JP H0621971 Y2 JPH0621971 Y2 JP H0621971Y2 JP 1987046188 U JP1987046188 U JP 1987046188U JP 4618887 U JP4618887 U JP 4618887U JP H0621971 Y2 JPH0621971 Y2 JP H0621971Y2
Authority
JP
Japan
Prior art keywords
pressure
valve
hydraulic
pilot
remote control
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
JP1987046188U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63156242U (en, 2012
Inventor
亘 久保本
宏 下垣内
Original Assignee
油谷重工株式会社
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 油谷重工株式会社 filed Critical 油谷重工株式会社
Priority to JP1987046188U priority Critical patent/JPH0621971Y2/ja
Publication of JPS63156242U publication Critical patent/JPS63156242U/ja
Application granted granted Critical
Publication of JPH0621971Y2 publication Critical patent/JPH0621971Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP1987046188U 1987-03-27 1987-03-27 油圧シヨベルの油圧回路 Expired - Lifetime JPH0621971Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987046188U JPH0621971Y2 (ja) 1987-03-27 1987-03-27 油圧シヨベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987046188U JPH0621971Y2 (ja) 1987-03-27 1987-03-27 油圧シヨベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS63156242U JPS63156242U (en, 2012) 1988-10-13
JPH0621971Y2 true JPH0621971Y2 (ja) 1994-06-08

Family

ID=30865620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987046188U Expired - Lifetime JPH0621971Y2 (ja) 1987-03-27 1987-03-27 油圧シヨベルの油圧回路

Country Status (1)

Country Link
JP (1) JPH0621971Y2 (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4703418B2 (ja) * 2006-01-31 2011-06-15 カヤバ工業株式会社 油圧アクチュエータ用制御回路
KR20110076073A (ko) * 2009-12-29 2011-07-06 볼보 컨스트럭션 이큅먼트 에이비 네가티브 컨트롤방식 유압시스템
GB2490320A (en) * 2011-04-20 2012-10-31 Bamford Excavators Ltd Hydraulic circuit with back-up pressure system to prevent cavitation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60260704A (ja) * 1984-06-08 1985-12-23 Toshiba Mach Co Ltd 油圧制御装置

Also Published As

Publication number Publication date
JPS63156242U (en, 2012) 1988-10-13

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