ZA742137B - Improvements relating to ventilators - Google Patents
Improvements relating to ventilatorsInfo
- Publication number
- ZA742137B ZA742137B ZA00742137A ZA742137A ZA742137B ZA 742137 B ZA742137 B ZA 742137B ZA 00742137 A ZA00742137 A ZA 00742137A ZA 742137 A ZA742137 A ZA 742137A ZA 742137 B ZA742137 B ZA 742137B
- Authority
- ZA
- South Africa
- Prior art keywords
- ventilators
- improvements relating
- relating
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Air-Flow Control Members (AREA)
- Blinds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1646973A GB1461786A (en) | 1973-04-06 | 1973-04-06 | Ventilators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA742137B true ZA742137B (en) | 1975-04-30 |
Family
ID=10077904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00742137A ZA742137B (en) | 1973-04-06 | 1974-04-03 | Improvements relating to ventilators |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE813393A (de) |
| DE (2) | DE2416417A1 (de) |
| ES (1) | ES425019A1 (de) |
| FR (1) | FR2236148B1 (de) |
| GB (1) | GB1461786A (de) |
| IT (1) | IT1009651B (de) |
| NL (1) | NL164949C (de) |
| ZA (1) | ZA742137B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1583995A (en) * | 1976-06-05 | 1981-02-04 | Colt Int Ltd | Ventilators |
| DE2839998A1 (de) * | 1978-09-14 | 1980-04-03 | Betonbau Gmbh | Luefterelement zum einbau in die aussenwand eines gebaeudes |
| DE2952767A1 (de) * | 1979-10-12 | 1981-04-23 | Colt International Gmbh, 4190 Kleve | Entlueftungsvorrichtung fuer gebaeude |
| FI84857C (fi) * | 1987-09-15 | 1992-01-27 | Ilmaterae Oy | Reglerings- och staenganordning foer gasstroemmar. |
| GB2285860B (en) * | 1993-10-30 | 1998-03-18 | Gilberts | Louvred apparatus |
| CN107051015A (zh) * | 2017-02-08 | 2017-08-18 | 刘荣甫 | 一种低噪音室内外兼容的空气净化器 |
-
1973
- 1973-04-06 GB GB1646973A patent/GB1461786A/en not_active Expired
-
1974
- 1974-04-03 ZA ZA00742137A patent/ZA742137B/xx unknown
- 1974-04-04 DE DE2416417A patent/DE2416417A1/de active Pending
- 1974-04-04 DE DE7411890U patent/DE7411890U/de not_active Expired
- 1974-04-05 BE BE142931A patent/BE813393A/xx not_active IP Right Cessation
- 1974-04-05 ES ES425019A patent/ES425019A1/es not_active Expired
- 1974-04-05 NL NL7404674.A patent/NL164949C/xx not_active IP Right Cessation
- 1974-04-08 FR FR7412300A patent/FR2236148B1/fr not_active Expired
- 1974-04-08 IT IT20637/74A patent/IT1009651B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| ES425019A1 (es) | 1976-05-16 |
| DE7411890U (de) | 1977-07-07 |
| NL7404674A (de) | 1974-10-08 |
| DE2416417A1 (de) | 1974-10-24 |
| FR2236148A1 (de) | 1975-01-31 |
| GB1461786A (en) | 1977-01-19 |
| IT1009651B (it) | 1976-12-20 |
| AU6744874A (en) | 1975-10-02 |
| FR2236148B1 (de) | 1979-08-24 |
| NL164949C (nl) | 1981-02-16 |
| BE813393A (fr) | 1974-07-31 |
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