BE409401A - - Google Patents
Info
- Publication number
- BE409401A BE409401A BE409401DA BE409401A BE 409401 A BE409401 A BE 409401A BE 409401D A BE409401D A BE 409401DA BE 409401 A BE409401 A BE 409401A
- Authority
- BE
- Belgium
- Prior art keywords
- shaft
- propeller
- support
- electric fan
- fan according
- Prior art date
Links
- 230000005484 gravity Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 240000001973 Ficus microcarpa Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
- F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE409401A true BE409401A (enrdf_load_stackoverflow) |
Family
ID=73806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE409401D BE409401A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE409401A (enrdf_load_stackoverflow) |
-
0
- BE BE409401D patent/BE409401A/fr unknown
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