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
Links
- 238000011144 upstream manufacturing Methods 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Fluid-Driven Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
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 (US07642317-20100105-C00010.png) | 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 (US07642317-20100105-C00010.png) |
Families Citing this family (2)
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 |
-
1986
- 1986-09-30 JP JP61230029A patent/JPS62270804A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62270804A (ja) | 1987-11-25 |
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