EP2317026B1 - Lüftungsgerät und Dachfenstersystem - Google Patents

Lüftungsgerät und Dachfenstersystem Download PDF

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Publication number
EP2317026B1
EP2317026B1 EP09174821A EP09174821A EP2317026B1 EP 2317026 B1 EP2317026 B1 EP 2317026B1 EP 09174821 A EP09174821 A EP 09174821A EP 09174821 A EP09174821 A EP 09174821A EP 2317026 B1 EP2317026 B1 EP 2317026B1
Authority
EP
European Patent Office
Prior art keywords
roof window
top cover
sash
ventilation device
seal
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.)
Active
Application number
EP09174821A
Other languages
English (en)
French (fr)
Other versions
EP2317026A1 (de
Inventor
Jimmy Skjold Jensen
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.)
VKR Holding AS
Original Assignee
VKR Holding AS
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 VKR Holding AS filed Critical VKR Holding AS
Priority to EP09174821A priority Critical patent/EP2317026B1/de
Priority to PL09174821T priority patent/PL2317026T3/pl
Publication of EP2317026A1 publication Critical patent/EP2317026A1/de
Application granted granted Critical
Publication of EP2317026B1 publication Critical patent/EP2317026B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
    • E04D13/03—Sky-lights; Domes; Ventilating sky-lights
    • E04D13/0325—Sky-lights; Domes; Ventilating sky-lights provided with ventilating means

Definitions

  • the exemplary and non-limiting embodiments of this invention relate generally to roof window ventilation more particularly to air flow regulation.
  • Ventilation duct which may also be opened/closed by for example a flap or louver.
  • ventilation ducts may also have a pressure operated valve/baffle to limit the air flow in order to reduce flow fluctuations caused by the wind and to improve the comfort etc.
  • WO08133539A1 shows a roof window ventilation duct with a flow limitation baffle.
  • EP 1063384A2 discloses a roof window ventilation device according to the preamble of claim 1.
  • roof windows are installed in roofs with inclination (for example 15-85 degrees) and consequently there are requirements for a storm and watertight ventilation device.
  • a roof window ventilation device according to claim 1.
  • a duct is provided.
  • a regulated ventilation solution is provided which can fit existing roof windows and which does not require special roof window productions.
  • water leak is reduced due to the location of the restriction means, which are associated with the air intake.
  • the seal means configured to provide a duct may provide the duct when associated with a roof window or when in use.
  • a ventilation system comprising a roof window and a top cover wherein:
  • air flow may automatically be adjusted/reduced by the pressure difference or the air flow in the duct.
  • the restriction means may be adjustable with at least two manually controlled configurations, one first manual configuration providing a first substantially free air flow and a second manual configuration providing a second more restricted and/or blocked air flow.
  • the restriction means may prevent rain from entering the ventilation duct and/or passage.
  • Such reduction of water may be based on restriction by pressure difference or by manually adjusting the restriction means.
  • the restriction means comprise adjustment means and operating means providing manually defined settings.
  • the operating means may be used to define the setting of the ventilation.
  • the seal means are configured for engagement with a roof window frame or sash to provide a seal.
  • the restriction means may function.
  • the seal means prevent/limit water leak from storms.
  • the regular dimensions of the top cover are substantially unchanged. Further such seal means are compatible with existing windows.
  • the seal means provided comprise:
  • the seal means include a flexible portion, which can be provided on either the top cover or the window.
  • the restriction means are arranged in association with the air intake located at the lower part of the top cover.
  • the restriction means are provided in vicinity of the air intake located at the lower part of the top cover and a compact top cover is provided with an appearance which match existing windows. Further water leaks are reduced, because the restriction means can close during the wind fluctuations. Further the noise is reduced, because the restriction means are far away from the interior passage.
  • the air intake is between the seal means and top cover.
  • the seal means and top cover are on opposite sides of the air intake respectively.
  • the air intake provides air flow to the duct and the restriction means.
  • the seal means are configured for engagement with a roof window pane profile of a roof window sash.
  • seal means are very suitable for engaging a profile to provide a tight seal.
  • the adjustment means and a baffle are mutually arranged.
  • an adjustable support holds the baffle and thereby provide automatic and manual controlled air restriction.
  • the seal means comprise a first flexible component and a second engaging component, the at least first flexible component or second engaging component being provided on the top cover.
  • seals are provided as two components configured for engagement.
  • the flexible component may be located on the roof window and still it will be possible to retrofit the top cover.
  • a support is secured to the top cover by means of a hinge and the support has operating means which can be set in different positions.
  • the baffle may be supported, adjusted and operated by a compact design which may fit a top cover and which is compatible with existing windows.
  • the baffle and a support are substantially the same length and substantially parallel.
  • the top cover cross section comprises a V, U or L shaped bend configured to attach the top cover to a roof window flashing.
  • the cover may be retrofitted to roof windows.
  • the restriction means are configured to restrict the air flow at least in the inlet direction through the duct by restricting the air flow based on a manual setting and in dependence on the air pressure.
  • the user may manually limit or adjust the desired ventilation level in dependence on season etc. Further during a storm the ventilation may be shut to reduce water leak.
  • the restriction means or support may cover a ventilation passage in a roof window.
  • the security is improved, as is becomes more difficult to insert a tool through the ventilation passage to activate the windows operator and open the roof window.
  • the adjustment means are linked to a window operator (for example a ventilation flap grip) and configured to continuously restrict the air flow when the window operator is closed.
  • a window operator for example a ventilation flap grip
  • the position of a baffle in relation to the duct is adjustable.
  • One non-limiting advantage that is gained by the use of the exemplary embodiments is providing a ventilation component which fits existing roof windows and which does not require special roof windows to provide regulated ventilation. Further the top cover looks similar and does not affect the look of the window.
  • Another non-limiting advantage that is gained is during a storm where there is a higher risk of water leak; here the higher air pressure difference causes the baffle to restrict the air flow and reduces the risk of water leak.
  • Fig. 1 illustrates a roof window with a window frame (1) and a swinging sash (2).
  • the roof window has a movable sash typically including a window pane and a pane profile (3).
  • a roof window typically also has covers, flashing and a top cover (4). It is an advantage to provide a ventilation solution without affecting the roof window frame and window sash.
  • the roof window may be a standard roof window with lower handling, transport and manufacturing costs.
  • existing roof windows can be upgraded by installing a new ventilation solution.
  • Fig. 2 illustrates the roof window with a window frame (1) and swinging sash (2).
  • the window comprises a window pane (5) and pane profile (3).
  • the roof window top is covered by top cover (4).
  • the top cover is used to make the top of roof windows weather tight.
  • the top cover (4) may be manufactured from one piece metal sheet or by assembly of plural parts.
  • the top cover (4) covers the top of the window frame and window sash whereby a water tight sloping roof window installation is provided.
  • the top cover (4) comprises a face (4) which is substantially parallel to the roof window frame/pane when in use and a U or L shaped bend (18) configured to attach the top cover (4) to a roof window flashing.
  • the top cover (4) comprises a portion with a groove which is configured for abutment of the window frame and providing drainage.
  • the groove and bend (18) may be combined.
  • the window sash (2) has ventilation means for example a ventilation flap (6) and a passage defined between sash parts 2a and 2b.
  • An air intake (7) is provided and a filter (9) may be used to prevent insects, dirt and some water from entering the ventilation duct (8).
  • Seal means (10) provide a seal between the air intake (7) and the air duct (8).
  • the seal means (10) provide a seal between the air intake (7) and baffle (12).
  • the seal means (10) engage the top cover (8) with the window frame (1) or window sash (2).
  • the seal means (10) may be a flexible seal.
  • the seal means (10) work with the pane profile (3).
  • the seal means (10) may be an extruded seal profile.
  • the seal means (10) may be a protrusion fitting into a corresponding slot.
  • the seal means (10) may be a surface or protrusion fitting into or engaging a seal or gasket located on the window frame (1) or window sash (2).
  • the seal means (10) may be a profile or seal configured to cooperate with a complementing part on the window sash and/or frame.
  • the seal means (10) may be provided on a top cover profile (11).
  • the top cover profile (11) is a base for the baffle (12) and the seal means (10) and optionally the adjustment means (14).
  • a seal means may be provided on the movable end of the baffle (12) and enable the baffle (12) to directly engage the pane profile (3).
  • the seal mans (10) may extend substantially along the top cover (4) length or the length of the ventilation passage.
  • the seal means (10) may also be a spring loaded sheet or profile.
  • the seal means (10) provided on the top cover (4) face towards the window.
  • the seal means (10) comprise a first flexible component and a second engaging component, the at least first flexible or second engaging component being provided on the top cover (4). When the first flexible component and second engaging component get together a seal is provided.
  • a baffle (12) is supported by a support (14).
  • the baffle (12) has a first/passive position where the air flow is unrestricted.
  • the baffle (12) has a second/active position where the air flow is restricted.
  • the support (14) supports the baffle (12) such that in the passive position the baffle is substantially straight and the support (14) permits the baffle to flex in one direction towards the active position.
  • the baffle (12) is supported by one of its edges to project into the air duct (8) for adjusting under the control of the incoming airflow the cross-sectional area available in said duct (8) by elastic deformation of said baffle (12).
  • the baffle (12) may for example be manufactured from PVC or from thin flexible sheet material.
  • the baffle (12) may be installed such that gravity helps to return the baffle (12) to the passive position.
  • the support (14) may comprise spacers (17) which prevent the baffle (12) from sticking to the support.
  • the spacers (17) may for example be extruded integrally with the baffle support (14). Spacers may extend in parallel with the long edge of the baffle (12). Spacers may extend orthogonally with respect to the direction of the air flow.
  • the baffle (12) is secured to the baffle support (14).
  • the baffle support is secured to the top cover profile (11).
  • the top cover profile (11) is attached to the top cover (4) and hereby provides a single roof window ventilation component.
  • Fig. 3 shows the roof window in an open position.
  • the seal means (10) disengage the moving window sash (2).
  • the ventilation may be adjusted by adjustment means (14).
  • adjustment means is to provide an adjustable support (14).
  • the support (14) may have at least a first manual position and a second manual position, where the first manual position is an open position and the second manual position which restricts the air flow.
  • the second manual position of the support (14) may also be entirely closed and block the airflow.
  • Fig. 2 shows the support (14) in a first manual position providing air flow while fig. 3 shows the support (14) in a second manual position providing restricted air flow.
  • the adjustment means may be an operating means (13) with projections (16).
  • the projections (16) allow the operating means to be stepwise adjusted.
  • the operating means (13) may be connected or integral with the support (14).
  • the adjustment means may be a support (14) with hinge means (15) which enables the support (14) to be adjusted.
  • the operating means (13) may also be resiliently biased so friction holds the operating means (13) in the adjusted position.
  • the adjustment means (14) in this example may be operated when the roof window is open.
  • the operating means (13) may also be linked to a ventilation flap or grip and enable operation from the inside without opening the roof window.
  • the adjustment means may not be a hinge but rather provide displacement for example by a groove or a guide.
  • the adjustment means may for example provide adjustment by offset or sliding a flap. Or by sliding two plates with apertures relative to each other and provide an opening when the apertures overlap.
  • the adjustment means may be provided as a flexible material enabling the support (14) to flex. Or a flexible base for the support (14).
  • Restriction means (12, 14) are means for manually or depending on the air flow to restrict the incoming air.
  • the baffle (12) and/or the adjustable support (14) provide restriction means.
  • the restriction means may be at least a baffle (12) projecting into the air duct (8) for adjusting under the control of the incoming airflow the cross-sectional area available in said duct (8) by elastic deformation of said baffle (12).
  • the restriction means (12,14) may be adjustable.
  • the support (14) may function as a closure plate and block or limit the air flow.
  • Fig. 4 illustrates a cross section of the roof window with ventilation through the window frame.
  • the roof window has a ventilation passage defined in the window frame e.g. between the frame parts (1a) and (1b).
  • the top cover (4) provides an air intake (7) by holes in the bottom.
  • An air filter (9) may also be provided.
  • the top cover (4) defines a duct (8) between the top cover (4) and window frame (1) or sash (2).
  • the seal means (10) engage the top cover (4) with the window frame (1) or window sash (2).
  • the baffle may be secured to the top cover (4) directly ( fig. 4 ).
  • the baffle (12) may be secured to a support (14) ( fig. 5 ).
  • the top cover (4) engages the seal means (10) and hereby provides an air inlet (7) and duct (8).
  • Fig. 5 also illustrates a cross section of a roof window with ventilation through the window frame.
  • the support (14) is attached to the top cover (4) and engages the seal means (10).
  • the engagement of the top cover (10) or the restriction means (12, 14) with the seal means (10) provides an air inlet (7) and duct (8).
  • Fig. 6 illustrates one end of the top cover (4).
  • the cross section of top cover profile (11) shown on fig. 2 may extend in the entire width of the roof window.
  • the top cover profile (11) may for example be attached to the top cover (4) by plastic fittings (21) located at the two respective ends or by fittings attached to a grove or protrusion in the top cover profile (11).
  • a plurality of baffles may be provided side by side or in separated ducts.
  • a flexible sponge/foam seal (20) may be used to provide a good fit between the roof window and the top cover.
  • Fig. 7 shows a chart indicative of the air flow dependent on the air pressure difference. The curve A indicates regular air flow, while the B curve shows the restricted/regulated airflow provided by the baffle (12). To change the characteristic of the baffle (12) by-pass holes or ducts which are not blocked by the baffle may also be provided.
  • a plurality of baffles (12) with different properties may also be combined.
  • the top cover (4) may comprise several parts joined together.
  • the air path may have a meandering shape to increase the water leak resistance.
  • several baffles (12) may be arranged in parallel.
  • the baffle (12) may not be flexible but rather stiff and supported by a flexible means etc.
  • the baffle (12) may have a flexible portion and a rigid portion.
  • an air passage may be provided in the sash ( fig. 2 ), the frame ( fig 4 ) or in a space defined between the sash and frame or combinations thereof.
  • noise damping and/or insulation material may be provided or included in association with the top cover (4).

Claims (7)

  1. Dachfensterlüftungsvorrichtung, umfassend:
    eine obere Abdeckung (4), die einen Lufteinlass (7) umfasst und ausgebildet ist, um das obere Ende des Dachfensterrahmens und des Dachfensterflügels abzudecken, wobei eine wasserdichte schräge Dachfensterinstallation vorgesehen sein kann;
    Dichtungsmittel (10), welche eine flexible erste oder eine eingreifende zweite Komponente umfassen, die ausgebildet ist, um gemeinsam mit der oberen Abdeckung (4) einen Kanal (8) vorzusehen;
    Einschränkungsmittel (12, 14), die ausgebildet sind, um den Luftstrom mindestens in der Einlassrichtung durch den Kanal (8) mittels einer Umlenkplatte (12), welche in den Luftkanal (8) vorsteht, um unter der Steuerung des einströmenden Luftstroms die in dem Kanal (8) verfügbare Querschnittsfläche einzustellen, einzuschränken;
    wobei der Lufteinlass (7) und die flexible erste oder die eingreifende zweite Komponente der Dichtungsmittel (10) und die Einschränkungsmittel (12, 14) durch die obere Abdeckung (4) vorgesehen sind und eine einzige Dachfensterlüftungskomponente mit der oberen Abdeckung bilden, welche ausgebildet ist, um an einem Dachfenster angebracht zu werden und geregelte Lüftung bereitzustellen;
    dadurch gekennzeichnet, dass
    die flexible erste oder die eingreifende zweite Komponente der Dichtungsmittel für den Eingriff mit einem Dachfensterrahmen (1) oder -flügel (2) ausgebildet sind, um eine Dichtung vorzusehen.
  2. Dachfensterlüftungsvorrichtung nach dem vorhergehenden Anspruch, wobei die Einschränkungsmittel (12, 14) auf mindestens zwei manuell betätigte Konfigurationen einstellbar sind, wobei eine erste manuelle Konfiguration einen ersten, im Wesentlichen freien Luftstrom vorsieht und eine zweite manuelle Konfiguration einen zweiten, eingeschränkteren und/oder blockierten Luftstrom vorsieht.
  3. Dachfensterlüftungsvorrichtung nach einem beliebigen der vorhergehenden Ansprüche, wobei die Einschränkungsmittel (12, 14) Einstellmittel (14) und Betätigungsmittel (13), welche manuell definierte Einstellungen vorsehen, umfassen.
  4. Dachfensterlüftungsvorrichtung nach einem beliebigen der vorhergehenden Ansprüche, wobei die Einschränkungsmittel (12, 14) in Verbindung mit dem Lufteinlass (7), der an dem unteren Teil der oberen Abdeckung (4) angeordnet ist, angeordnet sind.
  5. Dachfensterlüftungsvorrichtung nach einem beliebigen der vorhergehenden Ansprüche, wobei der Lufteinlass (7) zwischen den Dichtungsmitteln (10) und der oberen Abdeckung (4) angeordnet ist.
  6. Dachfensterlüftungsvorrichtung nach einem beliebigen der vorhergehenden Ansprüche, umfassend ein Dachfenster, das einen Rahmen (1) und einen Flügel (2) und einen Lüftungsdurchgang zwischen dem Inneren und dem Äußeren umfasst,
    wobei der Flügel (2) in Bezug auf den Rahmen (1) schwenkbar ist und die obere Abdeckung (4) das obere Ende des Fensterrahmens (1) und das obere Ende des Flügels (2) abdeckt.
  7. Dachfensterlüftungsvorrichtung nach einem beliebigen der vorhergehenden Ansprüche, wobei die Dichtungsmittel (10) zum Eingriff mit einem Dachfensterscheibenprofil (3) eines Dachfensterflügels (2) ausgebildet sind.
EP09174821A 2009-11-02 2009-11-02 Lüftungsgerät und Dachfenstersystem Active EP2317026B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09174821A EP2317026B1 (de) 2009-11-02 2009-11-02 Lüftungsgerät und Dachfenstersystem
PL09174821T PL2317026T3 (pl) 2009-11-02 2009-11-02 Urządzenie wentylacyjne i system okna dachowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09174821A EP2317026B1 (de) 2009-11-02 2009-11-02 Lüftungsgerät und Dachfenstersystem

Publications (2)

Publication Number Publication Date
EP2317026A1 EP2317026A1 (de) 2011-05-04
EP2317026B1 true EP2317026B1 (de) 2012-06-06

Family

ID=41785624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09174821A Active EP2317026B1 (de) 2009-11-02 2009-11-02 Lüftungsgerät und Dachfenstersystem

Country Status (2)

Country Link
EP (1) EP2317026B1 (de)
PL (1) PL2317026T3 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2808461A1 (de) 2013-05-29 2014-12-03 VKR Holding A/S Dachfenster mit Wasserumleitungselement
DE102020204188A1 (de) 2020-03-31 2021-09-30 Roto Frank Dachsystem-Technologie GmbH Dachflächenfenster

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2009488C2 (nl) * 2012-09-19 2013-08-01 Boal Systemen Bv Dakconstructie voor een kas, en een kas.
GB201414143D0 (en) * 2014-08-08 2014-09-24 Keylite Roof Windows Ltd Vapour barrier for a roof window
DK180879B1 (en) 2019-12-30 2022-06-13 Vkr Holding As A roof window system with a ventilation unit mounted adjacent to the roof window, and a method of providing ventilation for a building
DK180977B1 (en) 2019-12-30 2022-08-29 Vkr Holding As A roof window system with a ventilation unit mounted adjacent to the roof window, a roof structure including a roof window system, a method of providing a roof window system and a method of retrofitting a roof window system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20221839U1 (de) * 1977-10-29 2008-06-26 Vkr Holding A/S Fenster mit Lüftungsöffnung
HUP0100984A3 (en) * 1998-04-07 2002-02-28 Vkr Holding As A roof window with a ventilating frame top member
EP1063384A3 (de) * 1999-06-21 2002-09-04 Siegenia-Frank Kg Lüftungsvorrichtung
PL217419B1 (pl) 2007-04-27 2014-07-31 Fakro Pp Spółka Z Ograniczoną Odpowiedzialnością Okno dachowe z kanałem nawiewu powietrza

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2808461A1 (de) 2013-05-29 2014-12-03 VKR Holding A/S Dachfenster mit Wasserumleitungselement
DK201370293A1 (en) * 2013-05-29 2014-12-15 Vkr Holding As A roof window with a water diversion member
DK178249B1 (en) * 2013-05-29 2015-10-05 Vkr Holding As A roof window with a water diversion member
DE102020204188A1 (de) 2020-03-31 2021-09-30 Roto Frank Dachsystem-Technologie GmbH Dachflächenfenster
DE102020204188B4 (de) 2020-03-31 2021-10-28 Roto Frank Dachsystem-Technologie GmbH Dachflächenfenster
EP3910149A1 (de) * 2020-03-31 2021-11-17 Roto Frank Dachsystem-Technologie GmbH Dachflächenfenster

Also Published As

Publication number Publication date
PL2317026T3 (pl) 2012-11-30
EP2317026A1 (de) 2011-05-04

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