ZA786407B - Improved damper blade assembly - Google Patents
Improved damper blade assemblyInfo
- Publication number
- ZA786407B ZA786407B ZA00786407A ZA786407A ZA786407B ZA 786407 B ZA786407 B ZA 786407B ZA 00786407 A ZA00786407 A ZA 00786407A ZA 786407 A ZA786407 A ZA 786407A ZA 786407 B ZA786407 B ZA 786407B
- Authority
- ZA
- South Africa
- Prior art keywords
- blade assembly
- damper blade
- improved damper
- improved
- assembly
- 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
- 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
- F24F13/1406—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by sealing means
-
- 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
- F24F13/1486—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by bearings, pivots or hinges
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85814277A | 1977-12-07 | 1977-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA786407B true ZA786407B (en) | 1979-10-31 |
Family
ID=25327593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00786407A ZA786407B (en) | 1977-12-07 | 1978-11-14 | Improved damper blade assembly |
Country Status (22)
| Country | Link |
|---|---|
| JP (1) | JPS5486945A (en) |
| AR (1) | AR216824A1 (en) |
| AU (1) | AU4219878A (en) |
| BE (1) | BE872574A (en) |
| BR (1) | BR7807999A (en) |
| DD (1) | DD140278A5 (en) |
| DE (1) | DE2851488A1 (en) |
| DK (1) | DK533978A (en) |
| EG (1) | EG13743A (en) |
| ES (1) | ES245923Y (en) |
| FI (1) | FI783729A (en) |
| FR (1) | FR2411372A1 (en) |
| GB (1) | GB2010469A (en) |
| GR (1) | GR72715B (en) |
| IL (1) | IL55987A0 (en) |
| IT (1) | IT1100782B (en) |
| NL (1) | NL7811443A (en) |
| NO (1) | NO784104L (en) |
| PT (1) | PT68865A (en) |
| SE (1) | SE7811421L (en) |
| YU (1) | YU281778A (en) |
| ZA (1) | ZA786407B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1188227A (en) * | 1980-11-28 | 1985-06-04 | Stephen C. Inglis | Low frequency noise and turbulence reducer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5111153B2 (en) * | 1971-08-10 | 1976-04-09 |
-
1978
- 1978-11-03 SE SE7811421A patent/SE7811421L/en unknown
- 1978-11-14 ZA ZA00786407A patent/ZA786407B/en unknown
- 1978-11-19 IL IL55987A patent/IL55987A0/en unknown
- 1978-11-21 NL NL7811443A patent/NL7811443A/en not_active Application Discontinuation
- 1978-11-22 GR GR57708A patent/GR72715B/el unknown
- 1978-11-24 GB GB7845957A patent/GB2010469A/en not_active Withdrawn
- 1978-11-28 DE DE19782851488 patent/DE2851488A1/en not_active Withdrawn
- 1978-11-29 DK DK533978A patent/DK533978A/en unknown
- 1978-12-04 JP JP14989178A patent/JPS5486945A/en active Pending
- 1978-12-04 PT PT68865A patent/PT68865A/en unknown
- 1978-12-04 EG EG686/78A patent/EG13743A/en active
- 1978-12-04 YU YU02817/78A patent/YU281778A/en unknown
- 1978-12-05 FR FR7834211A patent/FR2411372A1/en active Pending
- 1978-12-05 BR BR7807999A patent/BR7807999A/en unknown
- 1978-12-05 FI FI783729A patent/FI783729A/en unknown
- 1978-12-05 AU AU42198/78A patent/AU4219878A/en active Pending
- 1978-12-06 IT IT30650/78A patent/IT1100782B/en active
- 1978-12-06 BE BE192179A patent/BE872574A/en not_active IP Right Cessation
- 1978-12-06 NO NO784104A patent/NO784104L/en unknown
- 1978-12-06 ES ES1978245923U patent/ES245923Y/en not_active Expired
- 1978-12-07 AR AR274718A patent/AR216824A1/en active
- 1978-12-07 DD DD78209587A patent/DD140278A5/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU4219878A (en) | 1979-06-14 |
| NL7811443A (en) | 1979-06-11 |
| IT7830650A0 (en) | 1978-12-06 |
| DK533978A (en) | 1979-06-08 |
| ES245923Y (en) | 1980-08-16 |
| JPS5486945A (en) | 1979-07-10 |
| EG13743A (en) | 1982-09-30 |
| IL55987A0 (en) | 1979-01-31 |
| NO784104L (en) | 1979-06-08 |
| FI783729A (en) | 1979-06-08 |
| GR72715B (en) | 1983-12-01 |
| IT1100782B (en) | 1985-09-28 |
| DD140278A5 (en) | 1980-02-20 |
| BE872574A (en) | 1979-03-30 |
| DE2851488A1 (en) | 1979-06-13 |
| YU281778A (en) | 1982-06-30 |
| FR2411372A1 (en) | 1979-07-06 |
| PT68865A (en) | 1979-01-01 |
| GB2010469A (en) | 1979-06-27 |
| BR7807999A (en) | 1979-07-31 |
| SE7811421L (en) | 1979-06-08 |
| AR216824A1 (en) | 1980-01-31 |
| ES245923U (en) | 1980-02-16 |
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