DE278481C - - Google Patents
Info
- Publication number
- DE278481C DE278481C DENDAT278481D DE278481DA DE278481C DE 278481 C DE278481 C DE 278481C DE NDAT278481 D DENDAT278481 D DE NDAT278481D DE 278481D A DE278481D A DE 278481DA DE 278481 C DE278481 C DE 278481C
- Authority
- DE
- Germany
- Prior art keywords
- compressed air
- blades
- turbine
- impeller
- addition
- 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
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE278481C true DE278481C (cs) |
Family
ID=534478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT278481D Active DE278481C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE278481C (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2840354A (en) * | 1955-09-09 | 1958-06-24 | John D Mckellar | Air driven vibrator |
-
0
- DE DENDAT278481D patent/DE278481C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2840354A (en) * | 1955-09-09 | 1958-06-24 | John D Mckellar | Air driven vibrator |
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