JPH0222482Y2 - - Google Patents
Info
- Publication number
- JPH0222482Y2 JPH0222482Y2 JP1987028434U JP2843487U JPH0222482Y2 JP H0222482 Y2 JPH0222482 Y2 JP H0222482Y2 JP 1987028434 U JP1987028434 U JP 1987028434U JP 2843487 U JP2843487 U JP 2843487U JP H0222482 Y2 JPH0222482 Y2 JP H0222482Y2
- Authority
- JP
- Japan
- Prior art keywords
- pilot
- valve
- ports
- operation pattern
- valves
- 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
Links
- 238000000034 method Methods 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987028434U JPH0222482Y2 (US07166745-20070123-C00016.png) | 1987-02-26 | 1987-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987028434U JPH0222482Y2 (US07166745-20070123-C00016.png) | 1987-02-26 | 1987-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63135004U JPS63135004U (US07166745-20070123-C00016.png) | 1988-09-05 |
| JPH0222482Y2 true JPH0222482Y2 (US07166745-20070123-C00016.png) | 1990-06-18 |
Family
ID=30831390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987028434U Expired JPH0222482Y2 (US07166745-20070123-C00016.png) | 1987-02-26 | 1987-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0222482Y2 (US07166745-20070123-C00016.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009293638A (ja) * | 2008-06-02 | 2009-12-17 | Ihi Construction Machinery Ltd | 建設機械の油圧制御回路 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0748761Y2 (ja) * | 1989-06-19 | 1995-11-08 | 油谷重工株式会社 | 油圧ショベルの操作装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5380139U (US07166745-20070123-C00016.png) * | 1976-12-07 | 1978-07-04 | ||
| JPS5454928U (US07166745-20070123-C00016.png) * | 1977-09-26 | 1979-04-16 | ||
| JPS5976669U (ja) * | 1982-11-16 | 1984-05-24 | 株式会社小松製作所 | 油圧駆動車の作業機操作装置 |
-
1987
- 1987-02-26 JP JP1987028434U patent/JPH0222482Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009293638A (ja) * | 2008-06-02 | 2009-12-17 | Ihi Construction Machinery Ltd | 建設機械の油圧制御回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63135004U (US07166745-20070123-C00016.png) | 1988-09-05 |
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