ATE296996T1 - BALANCED VENTILATION OPENING - Google Patents
BALANCED VENTILATION OPENINGInfo
- Publication number
- ATE296996T1 ATE296996T1 AT98309332T AT98309332T ATE296996T1 AT E296996 T1 ATE296996 T1 AT E296996T1 AT 98309332 T AT98309332 T AT 98309332T AT 98309332 T AT98309332 T AT 98309332T AT E296996 T1 ATE296996 T1 AT E296996T1
- Authority
- AT
- Austria
- Prior art keywords
- vent
- cover
- aperture
- vent passageway
- exit
- 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
- F24F7/00—Ventilation
- F24F7/02—Roof ventilation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Building Environments (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Air-Flow Control Members (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Gas Separation By Absorption (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Glass Compositions (AREA)
Abstract
A vent comprises a duct (16) defining a vent passageway having a vent passageway exit and a vent cover (24) movable between a first aperture position and a second aperture position in which the vent passageway exit is fully covered and is not fully covered, respectively. There is an aperture (140) in a duct side wall which is closed when the vent covers (24) is in the first operative position and open to allow air to pass to or from the vent passageway through the aperture when the vent cover (24) is in a third operative position in which the vent passageway exit is also fully covered. The vent cover (24) may be a second vent cover, which are interlinked so as to be constrained to move together, either towards each other to cover the vent passageway exit or away from each other to uncover the vent passageway exit. In this latter embodiment the operative is optional. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9725131.8A GB9725131D0 (en) | 1997-11-27 | 1997-11-27 | A vent |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE296996T1 true ATE296996T1 (en) | 2005-06-15 |
Family
ID=10822754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT98309332T ATE296996T1 (en) | 1997-11-27 | 1998-11-13 | BALANCED VENTILATION OPENING |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0919778B1 (en) |
AT (1) | ATE296996T1 (en) |
DE (1) | DE69830377T2 (en) |
GB (1) | GB9725131D0 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1850793A (en) * | 1930-09-12 | 1932-03-22 | Drouve Co G | Ventilator |
US2895399A (en) * | 1955-07-06 | 1959-07-21 | Colt Ventilation Ltd | Ventilators |
GB1149958A (en) * | 1966-10-28 | 1969-04-23 | Lenscrete Ltd | Improvements in or relating to ventilators |
DE4403633C1 (en) * | 1994-02-05 | 1995-03-02 | Eberspaecher J | Combined smoke- and heat-outlet and also ventilation device |
-
1997
- 1997-11-27 GB GBGB9725131.8A patent/GB9725131D0/en not_active Ceased
-
1998
- 1998-11-13 AT AT98309332T patent/ATE296996T1/en not_active IP Right Cessation
- 1998-11-13 DE DE69830377T patent/DE69830377T2/en not_active Expired - Lifetime
- 1998-11-13 EP EP98309332A patent/EP0919778B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69830377T2 (en) | 2006-01-26 |
DE69830377D1 (en) | 2005-07-07 |
EP0919778A2 (en) | 1999-06-02 |
GB9725131D0 (en) | 1998-01-28 |
EP0919778A3 (en) | 2002-09-11 |
EP0919778B1 (en) | 2005-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |