CH322421A - Axial fan equipped with a device for closing the ventilation duct - Google Patents
Axial fan equipped with a device for closing the ventilation ductInfo
- Publication number
- CH322421A CH322421A CH322421DA CH322421A CH 322421 A CH322421 A CH 322421A CH 322421D A CH322421D A CH 322421DA CH 322421 A CH322421 A CH 322421A
- Authority
- CH
- Switzerland
- Prior art keywords
- closing
- ventilation duct
- axial fan
- fan equipped
- axial
- Prior art date
Links
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
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH322421T | 1954-07-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH322421A true CH322421A (en) | 1957-06-15 |
Family
ID=4498774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH322421D CH322421A (en) | 1954-07-08 | 1954-07-08 | Axial fan equipped with a device for closing the ventilation duct |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH322421A (en) |
-
1954
- 1954-07-08 CH CH322421D patent/CH322421A/en unknown
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