NO129165B - - Google Patents
Download PDFInfo
- Publication number
- NO129165B NO129165B NO22471A NO22471A NO129165B NO 129165 B NO129165 B NO 129165B NO 22471 A NO22471 A NO 22471A NO 22471 A NO22471 A NO 22471A NO 129165 B NO129165 B NO 129165B
- Authority
- NO
- Norway
- Prior art keywords
- flow
- opening
- ventilation device
- ventilation
- pressure drop
- Prior art date
Links
- 238000009423 ventilation Methods 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 210000000867 larynx Anatomy 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO22471A NO129165B (h) | 1971-01-21 | 1971-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO22471A NO129165B (h) | 1971-01-21 | 1971-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO129165B true NO129165B (h) | 1974-03-04 |
Family
ID=19877455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO22471A NO129165B (h) | 1971-01-21 | 1971-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| NO (1) | NO129165B (h) |
-
1971
- 1971-01-21 NO NO22471A patent/NO129165B/no unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2189502A (en) | Ventilator, air diffuser, and the like | |
| NO133417B (h) | ||
| US4625632A (en) | Damper and register box | |
| NO171135B (no) | Fremgangsmaate i forbindelse med innsamling av seismiske data | |
| US2627799A (en) | Air outlet device for heating, cooling, ventilating, or other purposes | |
| US4191326A (en) | Draft control arrangement for combustion apparatus | |
| NO131058B (h) | ||
| NO129165B (h) | ||
| US2222663A (en) | Draft control | |
| US4276871A (en) | Flue damper and draft regulator | |
| US1921457A (en) | Ventilator fitting | |
| US4543941A (en) | Valve for furnace stack pipe | |
| NO122611B (h) | ||
| US3315585A (en) | Vented panel | |
| WO2016142346A1 (en) | Ventilation apparatus | |
| NO133680B (h) | ||
| US6508246B1 (en) | Mechanical draft controller | |
| US4470401A (en) | Valve for furnace stack pipe | |
| NO131255B (h) | ||
| US4147095A (en) | Directional concentrated air discharge outlet | |
| GB512169A (en) | Improvements in and relating to ventilators, air diffusers and the like | |
| US878474A (en) | Ventilating device. | |
| ES398513A1 (es) | Perfeccionamientos en instalaciones de suministro de agua caliente. | |
| US2384249A (en) | Chimney damper for open fireplaces | |
| US2277515A (en) | Thermostatic draft control |