NO751139L - - Google Patents
Info
- Publication number
- NO751139L NO751139L NO751139A NO751139A NO751139L NO 751139 L NO751139 L NO 751139L NO 751139 A NO751139 A NO 751139A NO 751139 A NO751139 A NO 751139A NO 751139 L NO751139 L NO 751139L
- Authority
- NO
- Norway
- Prior art keywords
- flap
- hatch
- opening
- flange
- cover
- Prior art date
Links
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001274613 Corvus frugilegus Species 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- 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
- F24F7/02—Roof ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
- F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages
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)
- Building Environments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7404972A SE374427B (xx) | 1974-04-11 | 1974-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO751139L true NO751139L (xx) | 1975-10-14 |
Family
ID=20320812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO751139A NO751139L (xx) | 1974-04-11 | 1975-04-03 |
Country Status (12)
| Country | Link |
|---|---|
| AT (1) | AT335126B (xx) |
| BE (1) | BE827879A (xx) |
| DD (1) | DD117099A5 (xx) |
| DE (1) | DE2515646A1 (xx) |
| DK (1) | DK149575A (xx) |
| FI (1) | FI55254C (xx) |
| FR (1) | FR2267527B3 (xx) |
| GB (1) | GB1466014A (xx) |
| IT (1) | IT1037276B (xx) |
| NL (1) | NL7504101A (xx) |
| NO (1) | NO751139L (xx) |
| SE (1) | SE374427B (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2468848A1 (fr) * | 1979-06-07 | 1981-05-08 | Souchier Georges | Dispositif d'evacuation de fumees, notamment pour locaux industriels ou recevant du public |
| EP0397475A1 (en) * | 1989-05-09 | 1990-11-14 | Johan Hendrik Zwiegelaar | Ventilators |
-
1974
- 1974-04-11 SE SE7404972A patent/SE374427B/xx unknown
-
1975
- 1975-04-03 NO NO751139A patent/NO751139L/no unknown
- 1975-04-07 NL NL7504101A patent/NL7504101A/xx unknown
- 1975-04-08 DK DK149575A patent/DK149575A/da not_active IP Right Cessation
- 1975-04-09 GB GB1449675A patent/GB1466014A/en not_active Expired
- 1975-04-10 AT AT272775A patent/AT335126B/de not_active IP Right Cessation
- 1975-04-10 FI FI751087A patent/FI55254C/fi not_active IP Right Cessation
- 1975-04-10 DE DE19752515646 patent/DE2515646A1/de active Pending
- 1975-04-10 FR FR7511194A patent/FR2267527B3/fr not_active Expired
- 1975-04-11 DD DD185389A patent/DD117099A5/xx unknown
- 1975-04-11 BE BE155365A patent/BE827879A/xx unknown
- 1975-04-14 IT IT22305/75A patent/IT1037276B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2267527B3 (xx) | 1977-12-16 |
| FI55254B (fi) | 1979-02-28 |
| IT1037276B (it) | 1979-11-10 |
| NL7504101A (nl) | 1975-10-14 |
| GB1466014A (en) | 1977-03-02 |
| FI751087A (xx) | 1975-10-12 |
| SE374427B (xx) | 1975-03-03 |
| BE827879A (fr) | 1975-07-31 |
| DK149575A (en) | 1975-10-12 |
| FI55254C (fi) | 1979-06-11 |
| AT335126B (de) | 1977-02-25 |
| DE2515646A1 (de) | 1975-10-23 |
| ATA272775A (de) | 1976-06-15 |
| DD117099A5 (xx) | 1975-12-20 |
| FR2267527A1 (xx) | 1975-11-07 |
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