DE133965C - - Google Patents
Info
- Publication number
- DE133965C DE133965C DENDAT133965D DE133965DA DE133965C DE 133965 C DE133965 C DE 133965C DE NDAT133965 D DENDAT133965 D DE NDAT133965D DE 133965D A DE133965D A DE 133965DA DE 133965 C DE133965 C DE 133965C
- Authority
- DE
- Germany
- Prior art keywords
- switching device
- lugs
- coils
- contact
- iron core
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 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
- E21B1/22—Percussion drilling with a reciprocating impulse member driven by electromagnets
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (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 |
|---|---|
| DE133965C true DE133965C (enExample) |
Family
ID=402122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT133965D Active DE133965C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE133965C (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1002448B (de) * | 1951-12-03 | 1957-02-14 | Thaddaeus Nowak | Mit Gleich- oder Wechselstrom betriebener elektrischer Schwingankermotor |
-
0
- DE DENDAT133965D patent/DE133965C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1002448B (de) * | 1951-12-03 | 1957-02-14 | Thaddaeus Nowak | Mit Gleich- oder Wechselstrom betriebener elektrischer Schwingankermotor |
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