JPH089441Y2 - 油圧回路 - Google Patents

油圧回路

Info

Publication number
JPH089441Y2
JPH089441Y2 JP1989048204U JP4820489U JPH089441Y2 JP H089441 Y2 JPH089441 Y2 JP H089441Y2 JP 1989048204 U JP1989048204 U JP 1989048204U JP 4820489 U JP4820489 U JP 4820489U JP H089441 Y2 JPH089441 Y2 JP H089441Y2
Authority
JP
Japan
Prior art keywords
valve
pressure
port
chamber
meter
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
JP1989048204U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02140002U (en, 2012
Inventor
貞夫 布谷
年郎 高野
直樹 石崎
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 JP1989048204U priority Critical patent/JPH089441Y2/ja
Publication of JPH02140002U publication Critical patent/JPH02140002U/ja
Application granted granted Critical
Publication of JPH089441Y2 publication Critical patent/JPH089441Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP1989048204U 1989-04-26 1989-04-26 油圧回路 Expired - Lifetime JPH089441Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989048204U JPH089441Y2 (ja) 1989-04-26 1989-04-26 油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989048204U JPH089441Y2 (ja) 1989-04-26 1989-04-26 油圧回路

Publications (2)

Publication Number Publication Date
JPH02140002U JPH02140002U (en, 2012) 1990-11-22
JPH089441Y2 true JPH089441Y2 (ja) 1996-03-21

Family

ID=31564806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989048204U Expired - Lifetime JPH089441Y2 (ja) 1989-04-26 1989-04-26 油圧回路

Country Status (1)

Country Link
JP (1) JPH089441Y2 (en, 2012)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60196402A (ja) * 1984-03-16 1985-10-04 Komatsu Ltd 油圧制御装置
JPS62278301A (ja) * 1986-05-27 1987-12-03 Yutani Heavy Ind Ltd 可変再生回路

Also Published As

Publication number Publication date
JPH02140002U (en, 2012) 1990-11-22

Similar Documents

Publication Publication Date Title
EP0331076B1 (en) Hydraulic circuit for cylinder
JPH1096402A (ja) 油圧回路
JPH081202B2 (ja) 単動式油圧シリンダの作動回路
JP7178493B2 (ja) 回生制御油圧システム
JP3549126B2 (ja) 方向制御弁
US20030116010A1 (en) Hydraulic valve control device for heavy construction equipment
JP2003120604A (ja) 流体圧回路
JPH11230375A (ja) 再生回路を有する方向制御弁
JPH089441Y2 (ja) 油圧回路
EP0440801B1 (en) Hydraulic circuit
JP3497803B2 (ja) 産業車両用電磁制御弁
JPH0826881B2 (ja) 油圧回路
JP2545176Y2 (ja) 複合制御弁
JP2520929Y2 (ja) 油圧回路
JP2630775B2 (ja) 高負荷アクチュエータの優先作動制御装置
JP3667037B2 (ja) 電磁弁油圧制御回路
JPH073043Y2 (ja) シリンダの下降動作防止機能を備えた制御装置
US3473570A (en) Press control
JP3712312B2 (ja) 油圧制御装置
JPH0749164Y2 (ja) 開閉弁装置
JPH07238907A (ja) 再生機能を有する操作弁
JP2002321896A (ja) 油圧制御装置
JPH05240205A (ja) 圧力制御弁
JPH0124402Y2 (en, 2012)
JPH0210322Y2 (en, 2012)