DE271478C - - Google Patents
Info
- Publication number
- DE271478C DE271478C DENDAT271478D DE271478DA DE271478C DE 271478 C DE271478 C DE 271478C DE NDAT271478 D DENDAT271478 D DE NDAT271478D DE 271478D A DE271478D A DE 271478DA DE 271478 C DE271478 C DE 271478C
- Authority
- DE
- Germany
- Prior art keywords
- impeller
- compressed air
- duct
- blades
- axis
- 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
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation 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 |
|---|---|
| DE271478C true DE271478C (fr) |
Family
ID=528126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT271478D Active DE271478C (fr) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE271478C (fr) |
-
0
- DE DENDAT271478D patent/DE271478C/de active Active
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