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GB9725131D0 - A vent - Google Patents

A vent

Info

Publication number
GB9725131D0
GB9725131D0 GBGB9725131.8A GB9725131A GB9725131D0 GB 9725131 D0 GB9725131 D0 GB 9725131D0 GB 9725131 A GB9725131 A GB 9725131A GB 9725131 D0 GB9725131 D0 GB 9725131D0
Authority
GB
United Kingdom
Prior art keywords
vent
cover
aperture
vent passageway
exit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
GBGB9725131.8A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Colt International Licensing Ltd
Original Assignee
Colt International Licensing Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Colt International Licensing Ltd filed Critical Colt International Licensing Ltd
Priority to GBGB9725131.8A priority Critical patent/GB9725131D0/en
Publication of GB9725131D0 publication Critical patent/GB9725131D0/en
Priority to AT98309332T priority patent/ATE296996T1/en
Priority to EP98309332A priority patent/EP0919778B1/en
Priority to DE69830377T priority patent/DE69830377T2/en
Ceased legal-status Critical Current

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)
  • Gas Separation By Absorption (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Glass Compositions (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (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>
GBGB9725131.8A 1997-11-27 1997-11-27 A vent Ceased GB9725131D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GBGB9725131.8A GB9725131D0 (en) 1997-11-27 1997-11-27 A vent
AT98309332T ATE296996T1 (en) 1997-11-27 1998-11-13 BALANCED VENTILATION OPENING
EP98309332A EP0919778B1 (en) 1997-11-27 1998-11-13 Balanced vent
DE69830377T DE69830377T2 (en) 1997-11-27 1998-11-13 Balanced ventilation opening

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
GB9725131D0 true GB9725131D0 (en) 1998-01-28

Family

ID=10822754

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9725131.8A Ceased GB9725131D0 (en) 1997-11-27 1997-11-27 A vent

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0919778B1 (en) 2005-06-01
DE69830377T2 (en) 2006-01-26
DE69830377D1 (en) 2005-07-07
ATE296996T1 (en) 2005-06-15
EP0919778A3 (en) 2002-09-11
EP0919778A2 (en) 1999-06-02

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)