BE467370A - - Google Patents
Info
- Publication number
- BE467370A BE467370A BE467370DA BE467370A BE 467370 A BE467370 A BE 467370A BE 467370D A BE467370D A BE 467370DA BE 467370 A BE467370 A BE 467370A
- Authority
- BE
- Belgium
- Prior art keywords
- vacuum cleaner
- channel
- conical
- current
- passage
- Prior art date
Links
- 230000007423 decrease Effects 0.000 description 2
- 239000003380 propellant Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (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 |
|---|---|
| BE467370A true BE467370A (h) |
Family
ID=118404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE467370D BE467370A (h) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE467370A (h) |
-
0
- BE BE467370D patent/BE467370A/fr unknown
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