DE131738C - - Google Patents
Info
- Publication number
- DE131738C DE131738C DENDAT131738D DE131738DA DE131738C DE 131738 C DE131738 C DE 131738C DE NDAT131738 D DENDAT131738 D DE NDAT131738D DE 131738D A DE131738D A DE 131738DA DE 131738 C DE131738 C DE 131738C
- Authority
- DE
- Germany
- Prior art keywords
- piston
- cylinder
- control piston
- control
- pressure medium
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 2
- 241000237536 Mytilus edulis Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B1/00—Percussion drilling
- E21B1/12—Percussion drilling with a reciprocating impulse member
- E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
- E21B1/30—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE131738C true DE131738C (enrdf_load_stackoverflow) |
Family
ID=400048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT131738D Active DE131738C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE131738C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT131738D patent/DE131738C/de active Active
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