JPH0221603Y2 - - Google Patents
Info
- Publication number
- JPH0221603Y2 JPH0221603Y2 JP12282184U JP12282184U JPH0221603Y2 JP H0221603 Y2 JPH0221603 Y2 JP H0221603Y2 JP 12282184 U JP12282184 U JP 12282184U JP 12282184 U JP12282184 U JP 12282184U JP H0221603 Y2 JPH0221603 Y2 JP H0221603Y2
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- speed
- hydraulic
- directional
- valve
- 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
- 239000003921 oil Substances 0.000 description 11
- 239000011435 rock Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12282184U JPS6140496U (ja) | 1984-08-13 | 1984-08-13 | 油圧駆動装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12282184U JPS6140496U (ja) | 1984-08-13 | 1984-08-13 | 油圧駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6140496U JPS6140496U (ja) | 1986-03-14 |
JPH0221603Y2 true JPH0221603Y2 (no) | 1990-06-11 |
Family
ID=30681578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12282184U Granted JPS6140496U (ja) | 1984-08-13 | 1984-08-13 | 油圧駆動装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6140496U (no) |
-
1984
- 1984-08-13 JP JP12282184U patent/JPS6140496U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6140496U (ja) | 1986-03-14 |
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