JPH0438923B2 - - Google Patents

Info

Publication number
JPH0438923B2
JPH0438923B2 JP61230029A JP23002986A JPH0438923B2 JP H0438923 B2 JPH0438923 B2 JP H0438923B2 JP 61230029 A JP61230029 A JP 61230029A JP 23002986 A JP23002986 A JP 23002986A JP H0438923 B2 JPH0438923 B2 JP H0438923B2
Authority
JP
Japan
Prior art keywords
valve
pilot
hole
opening
pressure
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
JP61230029A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62270804A (ja
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 filed Critical
Priority to EP87101185A priority Critical patent/EP0231876B1/en
Priority to DE8787101185T priority patent/DE3770178D1/de
Priority to KR1019870000735A priority patent/KR940008824B1/ko
Publication of JPS62270804A publication Critical patent/JPS62270804A/ja
Priority to US07/210,245 priority patent/US5255705A/en
Priority to US07/336,570 priority patent/US5253672A/en
Publication of JPH0438923B2 publication Critical patent/JPH0438923B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
  • Fluid-Driven Valves (AREA)
JP61230029A 1986-01-30 1986-09-30 油圧制御装置 Granted JPS62270804A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP87101185A EP0231876B1 (en) 1986-01-30 1987-01-28 Hydraulic pressure control system
DE8787101185T DE3770178D1 (de) 1986-01-30 1987-01-28 Hydraulikdruck-steuerung.
KR1019870000735A KR940008824B1 (ko) 1986-01-30 1987-01-30 유압 제어장치
US07/210,245 US5255705A (en) 1986-01-30 1988-06-24 Hydraulic pressure control system
US07/336,570 US5253672A (en) 1986-01-30 1989-04-11 Hydraulic pressure control system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1693486 1986-01-30
JP61-16934 1986-01-30

Publications (2)

Publication Number Publication Date
JPS62270804A JPS62270804A (ja) 1987-11-25
JPH0438923B2 true JPH0438923B2 (enEXAMPLES) 1992-06-26

Family

ID=11929951

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61230029A Granted JPS62270804A (ja) 1986-01-30 1986-09-30 油圧制御装置

Country Status (1)

Country Link
JP (1) JPS62270804A (enEXAMPLES)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7121189B2 (en) * 2004-09-29 2006-10-17 Caterpillar Inc. Electronically and hydraulically-actuated drain value
JP4578207B2 (ja) * 2004-11-08 2010-11-10 カヤバ工業株式会社 弁装置

Also Published As

Publication number Publication date
JPS62270804A (ja) 1987-11-25

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