FI40217B - - Google Patents
Info
- Publication number
- FI40217B FI40217B FI301065A FI301065A FI40217B FI 40217 B FI40217 B FI 40217B FI 301065 A FI301065 A FI 301065A FI 301065 A FI301065 A FI 301065A FI 40217 B FI40217 B FI 40217B
- Authority
- FI
- Finland
Links
Classifications
-
- 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
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI301065A FI40217B (es) | 1965-12-15 | 1965-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI301065A FI40217B (es) | 1965-12-15 | 1965-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI40217B true FI40217B (es) | 1968-07-31 |
Family
ID=8507889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI301065A FI40217B (es) | 1965-12-15 | 1965-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| FI (1) | FI40217B (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1959210A1 (en) * | 2007-02-19 | 2008-08-20 | Dir-Air Oy | Backflow protection apparatus for ventilation device |
-
1965
- 1965-12-15 FI FI301065A patent/FI40217B/fi active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1959210A1 (en) * | 2007-02-19 | 2008-08-20 | Dir-Air Oy | Backflow protection apparatus for ventilation device |
| EP1988341A1 (en) * | 2007-02-19 | 2008-11-05 | Dir-Air Oy | Backflow protection apparatus for ventilation device |