CH387862A - Closing device for electric fans - Google Patents
Closing device for electric fansInfo
- Publication number
- CH387862A CH387862A CH125063A CH125063A CH387862A CH 387862 A CH387862 A CH 387862A CH 125063 A CH125063 A CH 125063A CH 125063 A CH125063 A CH 125063A CH 387862 A CH387862 A CH 387862A
- Authority
- CH
- Switzerland
- Prior art keywords
- closing device
- electric fans
- fans
- electric
- closing
- 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
- F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/16—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of parallelly-movable plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Duct Arrangements (AREA)
- Air-Flow Control Members (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT343262 | 1962-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH387862A true CH387862A (en) | 1965-02-15 |
Family
ID=11107249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH125063A CH387862A (en) | 1962-02-22 | 1963-02-01 | Closing device for electric fans |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH387862A (en) |
GB (1) | GB1003068A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4665806A (en) * | 1985-09-12 | 1987-05-19 | Martin Sr Lendell | Ventilating air distributor |
-
1963
- 1963-02-01 CH CH125063A patent/CH387862A/en unknown
- 1963-02-04 GB GB451163A patent/GB1003068A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1003068A (en) | 1965-09-02 |
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