EP0919778A3 - Balanced vent - Google Patents

Balanced vent Download PDF

Info

Publication number
EP0919778A3
EP0919778A3 EP98309332A EP98309332A EP0919778A3 EP 0919778 A3 EP0919778 A3 EP 0919778A3 EP 98309332 A EP98309332 A EP 98309332A EP 98309332 A EP98309332 A EP 98309332A EP 0919778 A3 EP0919778 A3 EP 0919778A3
Authority
EP
European Patent Office
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.)
Granted
Application number
EP98309332A
Other languages
German (de)
French (fr)
Other versions
EP0919778A2 (en
EP0919778B1 (en
Inventor
Colin Richard Wilson
Nicholas Simon Holden-Brown
Frank Graham Marshall
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
Publication of EP0919778A2 publication Critical patent/EP0919778A2/en
Publication of EP0919778A3 publication Critical patent/EP0919778A3/en
Application granted granted Critical
Publication of EP0919778B1 publication Critical patent/EP0919778B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • 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>
EP98309332A 1997-11-27 1998-11-13 Balanced vent Expired - Lifetime EP0919778B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9725131.8A GB9725131D0 (en) 1997-11-27 1997-11-27 A vent
GB9725131 1997-11-27

Publications (3)

Publication Number Publication Date
EP0919778A2 EP0919778A2 (en) 1999-06-02
EP0919778A3 true EP0919778A3 (en) 2002-09-11
EP0919778B1 EP0919778B1 (en) 2005-06-01

Family

ID=10822754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98309332A Expired - Lifetime EP0919778B1 (en) 1997-11-27 1998-11-13 Balanced vent

Country Status (4)

Country Link
EP (1) EP0919778B1 (en)
AT (1) ATE296996T1 (en)
DE (1) DE69830377T2 (en)
GB (1) GB9725131D0 (en)

Citations (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

Patent Citations (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
ATE296996T1 (en) 2005-06-15
EP0919778A2 (en) 1999-06-02
EP0919778B1 (en) 2005-06-01
DE69830377D1 (en) 2005-07-07
GB9725131D0 (en) 1998-01-28
DE69830377T2 (en) 2006-01-26

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