EP3779088B1 - Fenêtre de toit ayant une unité de vitrage isolant près du cadre de la fenêtre - Google Patents

Fenêtre de toit ayant une unité de vitrage isolant près du cadre de la fenêtre Download PDF

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Publication number
EP3779088B1
EP3779088B1 EP20155244.5A EP20155244A EP3779088B1 EP 3779088 B1 EP3779088 B1 EP 3779088B1 EP 20155244 A EP20155244 A EP 20155244A EP 3779088 B1 EP3779088 B1 EP 3779088B1
Authority
EP
European Patent Office
Prior art keywords
igu
skylight window
frame
sash
window
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
EP20155244.5A
Other languages
German (de)
English (en)
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EP3779088A1 (fr
Inventor
Jacob Bertram
Kristian Nitzsch Grønborg
Lars Kristensen
Iben Bjerre Østergaard
Rasmus Klercke Pedersen
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
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Publication date
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Priority to EP20155244.5A priority Critical patent/EP3779088B1/fr
Publication of EP3779088A1 publication Critical patent/EP3779088A1/fr
Application granted granted Critical
Publication of EP3779088B1 publication Critical patent/EP3779088B1/fr
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
    • E04D13/033—Sky-lights; Domes; Ventilating sky-lights provided with means for controlling the light-transmission or the heat-reflection, (e.g. shields, reflectors, cleaning devices)
    • 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
    • E04D13/0305—Supports or connecting means for sky-lights of flat or domed shape
    • E04D13/0315—Supports or connecting means for sky-lights of flat or domed shape characterised by a curb frame
    • 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
    • E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
    • E04D13/0351—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis
    • E04D13/0354—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis the parts being flat

Definitions

  • the present invention relates to a skylight window for being installed in a roof of a building, the skylight window comprising:
  • Inclined roof windows are typically built into an opening in an inclined roof structure with an angle above 15 degrees with a substantial part of the inclined skylight window is positioned within the inclined roof structure in an installed position.
  • Flat roof skylight windows are generally installed on top of the exterior side of flat roofs of buildings, where the inclination of the roof is less than 5 degrees with respect to horizontal.
  • flat roof skylight windows are installed to cover an opening in the roof, i.e. a substantial part of the flat roof skylight window extends above an exterior side of the flat roof structure in an installed position.
  • This roof window comprises a standard VELUX ® outwardly openable window, to the sash of which a dome-shaped weather shield is attached.
  • Window sashes have typically comprised box structures consisting of hollow spacings providing structural support and thermal insulation through cavities. A typical example of such structures is presented in US2010269426 . Windows comprising such sashes have typically a quite rough appearance, and are limiting the view. What is more, these windows are usually associated with high materials and processing costs in terms of manufacturing the window sash.
  • EP 2500 488 discloses a skylight window according to the preamble of claim 1.
  • a skylight window according to the introduction, characterized in that the first frame side member extends above the exposed exterior major surface of the IGU in the height direction.
  • the positioning of the IGU close to the frame side members may make it possible to fit an IGU in the frame with larger dimensions, in a plane of at least one of the major surfaces of the IGU, than the dimensions of the roof opening, i.e. the only obstacle for the influx of light may be a part of the frame and potentially a part of the sash supporting the peripheral sides of the IGU.
  • the IGU being larger than the roof opening may increase the influx of light and can improve the view through the skylight window.
  • the interior pane of the IGU may be a glazing pane.
  • the interior pane may define a most interior part of the IGU.
  • the interior pane may constitute a layer of glazing of the IGU.
  • the interior pane may be of substantially the same size as one or more or all other layer(s) of glazing of the IGU.
  • the interior pane or an exterior pane of the IGU may be of a larger size than one or more of the other layer(s) of the glazing of the IGU.
  • the interior pane may be substantially identical to one or more of the other layer(s) of glazing of the IGU.
  • the interior pane may be different to one or more of the other layer(s) of glazing of the IGU.
  • the interior pane may comprise a first side surface extending substantially along the first frame and sash side members.
  • the glazing panes of the IGU having substantially the same size may allow almost all of the light travelling through the exterior major surface to travel through the interior major surface of the skylight IGU and thus, may improve the influx of light through the skylight window.
  • the exterior pane may be a flat pane or a curved pane or a domed pane or a spherical pane.
  • the interior pane may comprise a first side surface extending substantially along the first frame side member which extends in the longitudinal direction, and an opposite second side surface extending along a second frame side member, in the longitudinal direction, substantially parallel with the first side surface.
  • the total width of the interior major surface may be a total length of a third side surface of the interior pane extending in the lateral direction from the first side surface and to the second opposite, parallel side surface of the interior pane.
  • the IGU may comprise an exterior-most layer of glazing of the skylight window.
  • the exterior-most layer of glazing of the skylight window may be an interior or top pane of the IGU.
  • the exposed exterior major surface of the IGU may be the exterior-most layer of glazing of the skylight window.
  • the exterior-most layer of glazing may be substantially identical to the one or more or all other layer(s) of glazing of the IGU.
  • the IGU may have multiple layers of glass which define a volume comprising an inert gas or aerogels or vacuum.
  • the IGU may in a conventional manner comprise one or, preferably two, three or more layers of glazing, i.e. layers of glass, polycarbonate or the like or glass panels, positioned at a distance from each other to form one or more spacings or cavities between them. This spacing may be filled with a gas or may hold a vacuum to improve insulation.
  • the exposed interior major surface of the IGU is in that case a lower major surface of a lowermost of the layers of glazing.
  • Sealing and/or supporting members may be provided at one or more of four peripheral sides of the IGU between the layers of glazing. The sealing and/or supporting members may distance adjacent layers of glazing from each other and may together with the window glazing layers' peripheral sides form side surfaces of the IGU. These side surfaces may be substantially plane and extend substantially in the height dimension.
  • the second, third and fourth frame side members may have an inner side facing respective second, third and fourth peripheral sides of the IGU, wherein the first distance between the respective inner sides of the frame side members and the respective peripheral sides of the IGU is equal to or less than 20 mm, 18 mm, 16 mm, 14 mm, 12 mm, 10 mm, 8 mm, 6 mm, 5 mm, 4 mm, 3 mm, 2 mm or 1 mm.
  • the sash or part of the sash may be positioned between the first frame side member and the IGU, which may allow the sash to support the IGU on the interior major surface and may allow for the sash to lift the IGU when lifting the sash.
  • the sash or part of the sash can be positioned above the exterior major surface of the IGU and may be adhered to the exterior major surface, which may provide a space between the inner side of the first frame side member and the first peripheral side of the IGU
  • the first sash side member may comprise a second leg.
  • the second leg may extend substantially in the height direction.
  • the first or second leg may be substantially plate-shaped and/or substantially solid.
  • a supporting leg may extend from the second leg.
  • the supporting leg may extend from an end of the second leg.
  • the supporting leg may extend in the lateral direction from the second leg.
  • the supporting leg may extend substantially perpendicularly from the second leg.
  • substantially solid is understood as there being no holes and/or hollow spacings comprised in the material structure and/or holes or cavities on the surface.
  • Having a substantially plate shaped or solid second sash leg and a short distance from the first frame side member to the IGU may make it possible to position the IGU low, in the height direction, in the frame i.e. closer to a most interior side of the window frame and closer to the interior of the building.
  • a lower mounting of the IGU close to the first frame side member may increase the relative proportion the IGU takes up of a thermal energy exchange interface between the building and the skylight.
  • thermal energy exchange interface refers to the areas and parts of a skylight window where the thermal energy exchange occurs i.e. the frame, the sash and the IGU.
  • the IGU may have better insulating properties than other components of the skylight window. Therefore, increasing its relative proportion of the thermal energy exchange interface may improve insulating properties of the skylight window as a whole.
  • the positioning of the IGU close to the first frame side member allows an increase of the dimensions of the major surfaces of the IGU, in the plane of at least one of the major surfaces, relative to a size of the skylight window i.e. a larger IGU can be fitted in an unchanged roof opening, which may increase the influx of light and can improve the view through the skylight window. Furthermore, a high influx of light and good view through the skylight window may also be achieved as less light and/or view obstructing elements of the skylight window is not positioned between the IGU and the frame side members.
  • a low positioned IGU may further provide more space for an IGU with a larger height, potentially with several or higher layers of glazing or a higher gas-filled spacing between the panes, which may further improve insulation properties of the skylight window.
  • the insulation properties may also be improved as less thermally conducting sash or frame material may need to be provided. The reduced the need for the sash being a certain size and/or frame being a certain size for insulation purposes, it may be possible to have a more compact frame and/or sash and thus allow for a more compact skylight window as a whole, i.e. with a lower total height and/or width.
  • one or more of the frames and/or sash side members may comprise or be made substantially of polymer materials, such as plastic, specifically PVC (polyvinyl chloride), chlorinated PVC, PUR (polyurethane), fibre reinforced PUR such as glass fibre reinforced PUR, pultruded polymers, polyester, and/or glass fibre and/or wood and/or metal such as steel or aluminium or composites or combinations thereof.
  • polymer materials such as plastic, specifically PVC (polyvinyl chloride), chlorinated PVC, PUR (polyurethane), fibre reinforced PUR such as glass fibre reinforced PUR, pultruded polymers, polyester, and/or glass fibre and/or wood and/or metal such as steel or aluminium or composites or combinations thereof.
  • the four frame side members may together form a substantially rectangular shape. Additionally or alternatively, the four sash side members may together form a substantially rectangular shape. A rectangular shape of the four sash side members may be smaller than a rectangular shape of the four frame sash side members, in the plane of at least one of the major surfaces, which may allow the sash to be embedded within the frame.
  • the first frame side member of the skylight window extends, in a height direction which is substantially perpendicular to at least one of the major surfaces of the IGU, above the exposed exterior major surface of the IGU, in a closed position of the skylight window.
  • a first frame side member extending above the exposed exterior major surface improves the insulation properties of the skylight window as the IGU can be positioned in a more interior position in the skylight window.
  • Another advantage of the first frame side member extending above the IGU in the height direction is that, in an installed position, the first frame side member can protect the skylight window from weather and guide water on the roof surface away/around the IGU and thus, avoid accumulation of precipitation and dirt on the IGU.
  • the weather shield is a weather shield without a sealed gas-filled spacing between the weather shield and the IGU. Without the sealed gas-filled spacing the weather shield and the IGU may be considered as two separate components of the skylight window.
  • the spacing between the IGU and the weather shield can be more than 1 mm, 2mm, 5 mm, 10 mm, 15 mm, 20 mm, 25 mm, 30 mm, 35, mm, 40 mm, 45 mm, 50 mm, 60 mm, 70 mm, 80 mm, 90 mm, 100 mm, 110 mm, 120 mm, in the height direction. Without the sealed gas-filled spacing between the weather shield and the IGU, the IGU can be positioned more interior in the skylight window and thus, improve the insulation of the skylight window as a whole.
  • the weather shield may be provided as a unitary structure, which is detachably attached to the sash so as to protect a window portion of the skylight window, the window portion comprising the sash, the frame, and the IGU, the weather shield comprising a weather shield pane.
  • the weather shield may be attached detachably to the sash, providing for access to clean the IGU. This may also be of advantage during installation of the skylight window, e.g. when positioning or attaching the window portion or when attaching roofing felt to cover a potential gap between the frame and the roof structure. Further, it allows for the weather shield to be replaced if damaged.
  • the weather shield may be mounted on the window portion to protect it from the weather and preventing rain and other precipitation from entering into gaps or slots in the roof or the window portion.
  • the exterior major surface of the IGU may act as a weather shield as it is exposed to the exterior.
  • the exterior major surface of the IGU acting as weather shield can allow for a shorter skylight window in the height direction as it eliminates the need for a separate weather shield.
  • the first frame side member has a total frame member width which is a largest width of the first frame side member in the outwards direction, wherein said first distance is equal to or less than 50%, 45%, 40%, 35%, 30%, 25%, 20%, 15%, 10% of the total frame member width.
  • These embodiments may add to improved insulating properties of the skylight window as they may define a smaller spacing between the first frame side member and the first peripheral side of the IGU, which potentially may comprise elements in the spacing such as the sash and thus, the relative area of the superior insulating IGU is increased relative to other parts in the spacing of the skylight window.
  • the first sash side member and the first frame side member comprise upper sections, the upper sections being a part located above the interior major surface of the IGU in the height direction extends substantially away from the peripheral side of the IGU.
  • the upper sections extending substantially away from the peripheral sides of the IGU may improve the influx of light and the view out of the skylight window, as no obstacles are blocking light from the exterior. Having the sections extending away from the IGU may even improve the light further as it can work as a funnel for light from the exterior towards the interior.
  • a maximum height distance in the height direction from the interior major surface of the IGU to a lowermost interior side of the first frame side member is equal to or less than 100 mm, 90 mm, 80 mm 70 mm, 60 mm, 50 mm, 40 mm, 35 mm. This may position the IGU closer to or beneath the plan of a roof surface in an installed position of the skylight window, which may reduce the thermal conductivity of the skylight window. Thus, allowing the IGU to be positioned at a low position in the window frame may improve the insulating properties of the skylight window.
  • the weather shield may comprise a skirt that extend on an outer side of one or more or all four sides of the frame, i.e. of the respective frame side members.
  • the skirt may be manufactured from or include metal.
  • the weather shield pane may curve upwardly in relation to the window portion or the IGU to allow for rain and snow to slide or flow off the weather shield pane.
  • the weather shield pane is a transparent or translucent weather shield pane that is made of a transparent or translucent material e.g. of glass or hardened glass or polymer.
  • the weather shield pane may comprise only one single layer of glazing, no further layers of glazing besides those of the weather shield potentially being provided in the skylight window.
  • the weather shield pane may be dome-shaped or substantially flat.
  • the weather shield pane may be of glass or of a plastic polymer.
  • the skylight window is an inclined skylight window.
  • Inclined skylight windows are typically built into an opening in an inclined roof structure with an angle above 15 degrees relative to horizontal with a substantial part of the inclined skylight window positioned within the inclined roof structure in an installed position.
  • the skylight window is installed in a flat roof, which may have an inclination equal to or less than 5 degrees relative to horizontal.
  • the skylight is installed in an inclined roof, with an inclination equal to or more than 15 degrees relative to horizontal.
  • the skylight is to be installed in a roof with an inclination between 5 and 15 degrees relative to horizontal.
  • the skylight window further comprises a lining panel protrusion located lower than the exposed interior major surface of the IGU in the height direction, wherein the interior pane comprises a side surface extending substantially along the first frame and sash side members,
  • Such protrusion can help an installer install a lining panel at the skylight window by guiding an upper end of the lining panel into contact with a first side of the protrusion, and may further ease the installation by hiding the upper end of said lining panel e.g. if the upper end is not flush with the interior side of the skylight window.
  • the lining panel can be used to hide the skylight frame, for viewers, including insulation elements such as an insulting block and can thus, allow for improving the insulating properties of the skylight window as a whole.
  • the skylight window may further comprise a second protrusion next to the first protrusion to create a lining panel recess for receiving a lining panel to be installed. Said lining panel recess would add to the guidance and ease of installation of the lining panel.
  • the distance, in the height direction, from the interior major surface of the IGU to the lining panel protrusion is equal to or less than 50 mm, 40 mm, 30 mm or 20 mm in a closed position of the skylight window.
  • the short distance from the lining panel protrusion on the interior side of the skylight window to the IGU may position the IGU low in the frame, and thus add to the influx of light and insulation properties of the skylight window as a whole, as the IGU is closer to the roof element and fewer inferior insulating elements can be between the frame and the IGU.
  • the window porting comprising the sash, IGU and weather shield is hinged to rotate around a hinge axis in relation to the plane of the roof in an installed position.
  • the window portion may preferably be made movable in relation to the window frame by the sash being outwardly openable, i.e. being rotatable around an axis extending along one of the sash side members.
  • outwardly openable it is to be understood that the sash moves outwards from the frame during opening. This is contrary to centre hung skylights which have elements moving towards the interior and exterior during opening and employ a different design.
  • the sash being outwardly hung may be achieved by using a rotary hinge positioned at the first sash side member and connecting the first sash side member with the associated, adjacent first frame side member.
  • the sash may be parallel-displaceable so that all four sash side members shift upwardly or downwardly between the open and closed positions of the window in which case further or other hinges or the like connect the sash with the frame.
  • the skylight window may be openable by a combination of a rotary movement and a shifting movement or other movement paths of the sash in relation to the frame.
  • the hinge axis is located above the exterior major surface of the IGU in the height direction in a closed position of the skylight window. Having the skylight window opening outwards can add to the ability of the skylight window to guide water away from the roof opening even in an open position.
  • the hinge axis is located above the frame in the height direction in the closed position of the window.
  • the skylight window may comprise one or more thermal breaks in the sash.
  • Thermal breaks can be manufactured from a material of a lower thermal conductivity than other parts of the first sash side member. This may have the advantage of improving the insulation properties of the skylight window as a lower thermal conductivity through a sash side member may be achieved.
  • the thermal break may be substantially made from or comprise a polymer or foam or a foamed polymer material.
  • the thermal breaks may be located on the sash side member, so that thermal bridges are avoided.
  • the thermal break may be positioned above the exterior major surface of the IGU when seen in the height direction, i.e. on the exterior side of the IGU.
  • Fig. 1 shows an embodiment of a skylight window 1 according to the present invention positioned or installed substantially horizontally in a flat roof 2 of a building and covering an opening in the roof.
  • the skylight window 1 comprises a weather shield 3 and a window portion 4, which includes a transparent insulting glazing unit 5, abbreviated IGU, a sash 6 supporting the IGU 5, and a frame 7.
  • the weather shield 3 comprises a transparent weather shield pane 8 and a skirt 9, which cover the sash and the IGU.
  • both the entire sash 6 and the entire frame 7 are positioned above an upper roof surface, also denoted the exterior roof surface.
  • the skylight window 1 may, however, also be positioned so that a part of the frame 7 and the sash 6 are positioned below the exterior roof surface level.
  • the flat roof 2 shown here has a roof inclination of less than 10% in relation to horizontal.
  • the skylight window may however also be installed in an inclined roof.
  • the IGU 5 has an exposed interior major surface 5b facing downwards towards an interior of the building in the shown installed position of the skylight window 1 and an exposed exterior major surface 5g facing in the opposite direction towards the weather shield pane 8 and the exterior.
  • the interior and exterior exposed major surfaces of the IGU 5 are substantially parallel with a plane defined by the roof surface, i.e. the exterior roof surface level.
  • the frame 7 comprises four frame side members of which two 10, 11 are visible in Fig. 1 , and one 10 is visible in Figs 2-5 .
  • Each frame side member is associated with one of four corresponding sash side members of which one 14 is visible in Figs 2-5 .
  • the frame side member 10 is associated with the sash side member 14 and both extend in a longitudinal direction L along a first peripheral side 5a of the IGU 5.
  • the four frame side members form a substantially rectangular shape and, similarly, the four sash side members form a substantially rectangular shape.
  • each frame side member is positioned at an outer side of a respective associated one of the four sash side members, i.e. on the side facing away from the IGU, so that the sash fits into the frame and the frame 7 encloses the sash 6 in the closed position of the skylight window 1.
  • the slightly curved weather shield pane 8 as seen in Fig. 1 extends over an entire roof opening (not shown), which roof opening the skylight window 1 is positioned to cover.
  • the shield pane 8 is surrounded by the weather shield skirt 9, which extends on an outer side of all four sides of the frame 7, i.e. of the respective frame side members, see Fig. 1 .
  • the frame side member 10 is an embodiment of the first frame side member of the skylight window according to the invention.
  • the frame side member 10 extends above the IGU in a height direction.
  • the sash side member 14 is an embodiment of the first sash side member according to the invention.
  • the window sash 6 supports the IGU 5 and is connected to the window frame 7 via hinges (not shown) so that it is movable in relation to the frame 7 between an open (not shown) and a closed position of the skylight window 1.
  • the window is shown in the closed position in Figs 1 to 5 .
  • each frame side member made from glass fibre reinforced PUR (polyurethane) form a substantially rectangular shape and, similarly, the four sash side members form a substantially rectangular shape.
  • each frame side member is positioned at an outer side of a respective associated one of the four sash side members, i.e. on the side facing away from the IGU 5, so that the sash fits into the frame 7 and the frame 7 encloses the sash 6 in the shown closed position of the skylight window 1.
  • the four sash side members made of pultruded glass fibre reinforced PUR support the IGU 5 which has multiple panes or layers of glazing 5c, 5d, 5e (the interior pane constitutes a layer of glazing of the IGU) and the sash is connected to the window frame 7 via hinges (not shown) so that, in a conventional manner, it is movable (pivotable) in relation to the frame 7 between an open (not shown) and a closed position of the skylight window 1.
  • the skylight window 1 is shown in the closed position in all of the figures.
  • FIGS. 2-5 similarly comprise four frame and sash side members, an IGU and a weather shield (with the exception of the embodiment shown in FIG. 5 which does not comprise a weather shield and which is not part of the invention). Similar features in each of the figures have been given the same reference numbers unless otherwise specified.
  • the first frame side member 10 is associated with the first sash side member 14, and both of these extend in a respective longitudinal direction L substantially in parallel with a respective first peripheral side 5a of the IGU 5 (i.e. into the drawing) in a closed position of the skylight window 1.
  • the first frame side member 10 further comprises a lining panel protrusion 10e located lower than the exposed interior major surface 5b of the IGU 5 in the height direction.
  • the lining panel protrusion 10e protrudes away from the IGU 5 and has a first surface 10c for abutting a surface of the reveal panel or lining panel 50 so as to position a reveal panel or lining panel 50 as shown in FIG. 2 .
  • the reveal or lining panel 50 covering the first frame side member 10 to provide a seamless and clean aesthetic when viewing through the skylight window 1 from an interior of the building.
  • a lining panel recess 10b which is an empty spacing that accommodates an upper part or upper end of a reveal panel or lining panel 50 in the installed position of the skylight window 1.
  • Fig. 3 and Fig. 4 does not comprise a lining panel recess, but just comprise a lining panel protrusion 10e.
  • the weather shield 3 has a dome shaped pane 8 so as to protect the window portion.
  • the weather shield is attached to the sash side member 14 above the first frame side member 10 in the height direction.
  • a portion of the first sash side member extends in the height direction in a spacing, defined by the first distance.
  • the first sash side member 14 is generally plate-shaped, consists of one single section of substantially solid material and at least a portion of the sash side member 14 has a thickness of 10 mm.
  • the substantially plate shaped first sash side member allows for the first distance D to be 18 mm in the width direction, in the closed position of the skylight window shown as shown in Fig. 2 .
  • a part of the sash extends beneath the interior major surface 5b and extends in the lateral direction substantially parallel with the interior major surface to support the IGU on the interior major surface.
  • the bottom surface of the first frame side member 10a is installed on a substantially flat roof 2.
  • a part of the bottom surface stretches into the roof opening, this part of the bottom surface comprises a recess 10b for a lining/reveal panel.
  • the recess is to assist the installation of a lining panel after installing the skylight window.
  • a first surface 10c of the recess is for abutting a lining panel to be installed.
  • the embodiment depicts the skylight window with a flat pane 8 weather shield 3 and a first frame side member 10.
  • the first sash side member 14 of Fig. 3 is only located above the IGU 5 and extends parallel to or away from the peripheral side 5a of the IGU.
  • the first sash side member 14 is adhered to the exterior major surface of the IGU 5g e.g. by glue or a sealing member. In this way, the first sash side member 14 carries the IGU 5 in the open position (not shown) of the skylight window 1.
  • the adherence provided by the first sash leg being adhered to the exposed exterior major surface 5g of the IGU may be the substantially only attachment of the first sash side member 14 to the IGU 5.
  • the first sash side member 14 being above the IGU 5 allows the IGU 5 to be placed closer to the first frame side member 10.
  • the first distance D between the first frame side member and the IGU is in this embodiment 1 mm.
  • a single sealing member 22 is the only element between the interior major surface of the IGU 5b and the first frame side member 10, only having one element connecting the IGU and the frame improves the insulation of the skylight window as a whole.
  • the bottom surface 10a of the first frame side member comprises a protrusion 10e for installation of a lining panel.
  • the protrusion can provide guidance for a top end of a lining panel (not shown) and can hide the top end of said lining panel.
  • the few elements between the interior major surface of the IGU 5b and the first frame side member 10 makes it possible to position the IGU 5 low in the skylight window and thus, the height distance DH between the interior major surface and the bottom surface 10a of the first frame side member is 35 mm in the height direction.
  • the distance between the interior major surface 5b and the most interior surface of the frame side member would thus be 35 mm or less.
  • the embodiment depicts the invention with a wide frame potentially comprising insulation members or elements in the first frame member 10.
  • the frame side member 10 and the first sash side member 14 has a stepped profile in the cross-section view.
  • a design cover 63 is mounted to reflect light, repel dust and to hide the stepped profile of the sash 14.
  • the design cover could be replaced with a screening device such as a shade and mounted to the sash 14. The shade could be electronically controlled and in a closed position be hidden when looking out the window from the interior towards the exterior.
  • the sash leg 14 further comprises a thermal break 75 to reduce the thermal conductivity of the sash leg.
  • the sash leg could comprise several thermal breaks.
  • the sash 14 is supporting the IGU on the major interior surface 5b and thus extends in the spacing defined by the first distance D between a peripheral side of the IGU 5a and the first frame side member 10.
  • the smallest first distance D between the peripheral side of the IGU 5a and the frame side member 10 is in this embodiment 10% of the maximum width W of the frame side member 10.
  • the smallest first distance D in this embodiment is 15% of the width distance DW from the first frame side member 10 to the peripheral side 5a of the IGU in a lateral direction.
  • the sash 14 could be adhered to the exterior major surface of the IGU 5g to reduce the first distance D between the peripheral side of the IGU and the frame.
  • the first frame side member may not be solid and allow for insulation elements or installation of e.g. a motor-driven actuator (not shown) in the first frame side member.
  • a part of the motor-driven actuator could come into contact with the sash and move it between a closed and an open position.
  • the frame side member 10 and/or the sash 14 may comprise or be made substantially of polymer materials, such as plastic, specifically PVC (polyvinyl chloride), chlorinated PVC, PUR (polyurethane), fibre reinforced PUR such as glass fibre reinforced PUR, and/or wood and/or metal such as aluminium or composites or combinations thereof.
  • polymer materials such as plastic, specifically PVC (polyvinyl chloride), chlorinated PVC, PUR (polyurethane), fibre reinforced PUR such as glass fibre reinforced PUR, and/or wood and/or metal such as aluminium or composites or combinations thereof.
  • the IGU 5 in this embodiment comprises three layers of glazing 5c, 5e, 5d in the form of glass panels, positioned at a distanced from each other by sealing members 24 located at peripheral sides of the IGU between the layers of glazing to form two spacings 51. These spacings 5l are filled with inert gas to improve insulation.
  • the IGU further has an exposed interior major surface 5b facing downwards towards an interior of the building in the shown installed and closed position of the skylight window 1 and an exposed exterior major surface 5g facing in an opposite direction towards an exterior.
  • the exposed interior major surface 5b is of an interior pane 5d of the IGU 5.
  • the exposed interior and exterior major surfaces 5b, 5g of the IGU 5 are substantially parallel with each other and a plane defined by the roof surface, i.e. the exterior roof surface level.
  • the interior pane 5d comprises a side surface 5s extending substantially along the first frame and sash side members 10, 14. It should also be noted that the top layer of glazing 5c in this embodiment is larger than the other layers of glazing 5e, 5d of the IGU 5 and extends farther in the width direction, the layers of glazing however, may be of equal size in other embodiments.
  • the frame side member 10 is a box structure with a bottom surface 10a for installation on a roof surface and a recess 10b on the bottom surface positioned above the plane of said roof surface in the height direction.
  • the recess 10b is for receiving a top end of a lining panel (not shown), which can abut at least one of the recess surfaces. Further, the recess 10b is for hiding the window frame 10 in an installed position when viewing the window from the interior towards the exterior.
  • the sash 14 comprises a thermal break 75 to reduce the thermal conductivity of the window.
  • the sash 14 supports the interior major surface of the IGU 5b and extends in the height direction in the spacing S between the frame side member 10 and a peripheral side of the IGU 5a.
  • the spacing S between the peripheral side of the IGU 5a and an inner surface 10i of the frame side member in a direction substantially parallel with the interior major surface is 15 mm.
  • the spacing S could be reduced by moving the sash 14 and IGU closer to a surface of the frame member in a lateral direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Claims (13)

  1. Puits de lumière (1) destiné à être installé dans un toit d'un bâtiment, le puits de lumière (1) comprenant :
    un cadre de fenêtre (7) comportant quatre éléments latéraux de cadre, lesdits éléments de cadre définissant une ouverture intérieure et chaque élément de cadre comportant un côté intérieur orienté en direction de ladite ouverture intérieure et un côté extérieur orienté dans une direction opposée par rapport au côté intérieur et dans une direction s'éloignant de l'ouverture intérieure, un côté intérieur destiné, dans une position installée, à être orienté en direction d'un intérieur du bâtiment, et un côté extérieur destiné à être orienté dans une direction opposée par rapport au côté intérieur et dans une direction s'éloignant de l'intérieur du bâtiment,
    un châssis de fenêtre (6) comportant quatre éléments latéraux de châssis supportant une unité de vitrage isolante (UVI) comportant de multiples couches de vitrage, ledit châssis de fenêtre étant mobile par rapport au cadre de fenêtre entre une position ouverte et une position fermée du puits de lumière,
    un dispositif de protection contre les intempéries (3) attaché au châssis de façon à protéger une partie fenêtre (4) du puits de lumière, la partie fenêtre (4) comprenant le châssis, le cadre et l'UVI,
    ledit dispositif de protection contre les intempéries étant un dispositif de protection contre les intempéries ne comportant pas d'interstice hermétiquement clos rempli de gaz entre le dispositif de protection contre les intempéries et l'UVI, et une vitre de protection contre les intempéries (8) étant faite d'un matériau transparent ou translucide,
    ladite UVI comportant une surface principale intérieure exposée (5b) destinée à être orientée en direction d'un intérieur dudit bâtiment dans une position fermée du puits de lumière, ladite UVI comportant en outre une surface principale extérieure exposée (5g) orientée à l'opposé en direction de l'extérieur dans ladite position fermée du puits de lumière,
    un premier côté périphérique (5a) de l'UVI s'étendant de la surface principale intérieure à la surface principale extérieure de l'UVI,
    une direction de hauteur qui est essentiellement perpendiculaire à au moins une des surfaces principales de l'UVI,
    un premier des éléments latéraux de cadre (10) étant associé à un premier des éléments latéraux de châssis (14), lesdits premiers élément latéral de cadre (10) et élément latéral de châssis (14) s'étendant dans une direction longitudinale de manière essentiellement parallèle au premier côté périphérique (5a) de l'UVI dans une position fermée dudit puits de lumière,
    et une première distance (D), dans la position fermée du puits de lumière, entre le premier côté périphérique de l'UVI (5a) dans une direction allant vers l'extérieur s'éloignant de l'ouverture intérieure du cadre et le côté intérieur du premier élément latéral de cadre étant inférieure ou égale à 20 mm, la direction allant vers l'extérieur étant essentiellement parallèle à au moins une des surfaces principales de l'UVI,
    caractérisé en ce que
    le premier élément latéral de cadre (10) s'étend plus haut que la surface principale extérieure exposée (5g) de l'UVI dans la direction de hauteur.
  2. Puits de lumière selon l'une quelconque des revendications précédentes, dans lequel, dans la position fermée du puits de lumière, le premier côté périphérique (5a) de l'UVI et le côté extérieur du premier élément de cadre sont séparés par une seconde distance dans la direction allant vers l'extérieur, dans lequel ladite première distance est inférieure ou égale à 50 % de la seconde distance (D).
  3. Puits de lumière selon l'une quelconque des revendications précédentes, dans lequel ledit premier élément de cadre (10) présente une largeur totale d'élément de cadre, qui est une largeur maximale du premier élément de cadre dans une direction essentiellement parallèle à la surface principale intérieure dans la position fermée de la fenêtre, dans lequel ladite première distance (D) est inférieure ou égale à 50 % de la largeur totale d'élément de cadre.
  4. Puits de lumière selon l'une quelconque des revendications précédentes, dans lequel les sections du premier élément latéral de châssis et du premier élément latéral de cadre situées au-dessus de la surface principale intérieure de l'UVI, en regardant dans la direction de hauteur, s'étendent essentiellement dans une direction s'éloignant de l'UVI.
  5. Puits de lumière selon l'une quelconque des revendications précédentes, dans lequel, dans la position fermée du puits de lumière, une distance en hauteur maximale, dans la direction de hauteur, entre la surface principale intérieure (5b) de l'UVI et un côté intérieur, en position extrême vers l'intérieur, du premier élément latéral de cadre est inférieure ou égale à 10 cm.
  6. Puits de lumière selon l'une quelconque des revendications précédentes, le puits de lumière étant conçu pour être installé dans une structure de toit essentiellement plane présentant une inclinaison comprise entre 0 et 5 degrés par rapport à l'horizontale.
  7. Puits de lumière selon l'une quelconque des revendications précédentes, le puits de lumière comprenant en outre une saillie à panneau de garniture (10e), sur une partie intérieure du premier élément latéral de cadre, faisant saillie dans une direction s'éloignant de l'UVI.
  8. Puits de lumière selon l'une quelconque des revendications précédentes, dans lequel, dans la position fermée du puits de lumière, la distance entre la surface principale intérieure (5b) de l'UVI et la saillie à panneau de garniture (10e) est inférieure ou égale à 5 cm dans une direction de hauteur, qui est essentiellement perpendiculaire à au moins une des surfaces principales (5b, 5g) de l'UVI.
  9. Puits de lumière selon l'une quelconque des revendications précédentes, dans lequel le châssis (6) est articulé sur un des éléments latéraux de cadre sur un des éléments latéraux de châssis pour tourner autour d'un axe d'articulation.
  10. Puits de lumière selon la revendication 9, dans lequel, dans la position fermée du puits de lumière, l'axe d'articulation est situé au-dessus, dans une direction de hauteur, de la surface principale extérieure de l'UVI qui est essentiellement perpendiculaire à au moins une des surfaces principales de l'UVI.
  11. Puits de lumière selon la revendication 9 ou 10, dans lequel l'axe d'articulation est situé au-dessus du cadre dans une direction de hauteur qui est essentiellement perpendiculaire à au moins une des surfaces principales de l'UVI dans la position fermée du puits de lumière.
  12. Puits de lumière selon l'une quelconque des revendications précédentes, dans lequel le châssis comprend une ou plusieurs barrière (s) thermique(s) (75).
  13. Puits de lumière selon l'une quelconque des revendications précédentes, dans lequel le châssis (6) comprend ou est constitué pour l'essentiel de métal, par exemple de l'acier ou de l'aluminium, et/ou de polymère renforcé avec des fibres polymères, PUR, pultrudé, fibre de verre, aluminium, polyester ou composite.
EP20155244.5A 2020-02-03 2020-02-03 Fenêtre de toit ayant une unité de vitrage isolant près du cadre de la fenêtre Active EP3779088B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20155244.5A EP3779088B1 (fr) 2020-02-03 2020-02-03 Fenêtre de toit ayant une unité de vitrage isolant près du cadre de la fenêtre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20155244.5A EP3779088B1 (fr) 2020-02-03 2020-02-03 Fenêtre de toit ayant une unité de vitrage isolant près du cadre de la fenêtre

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EP3779088A1 EP3779088A1 (fr) 2021-02-17
EP3779088B1 true EP3779088B1 (fr) 2022-06-15

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12024890B2 (en) * 2021-09-22 2024-07-02 Vkr Holding A/S Tubular skylight assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1191952B (de) * 1957-04-27 1965-04-29 Christian Steeb Dachfenster
PL1760234T3 (pl) * 2005-09-05 2019-04-30 Vkr Holding As Zawias obrotowy i okno obrotowe
DE202005014984U1 (de) * 2005-09-23 2006-02-02 Lss Lewens Sonnenschutz-Systeme Gmbh & Co. Kg Verschattungsvorrichtung für ein Dachflächenfenster
EP2231956B1 (fr) 2007-12-20 2015-08-05 VKR Holding A/S Dispositif de protection contre les intempéries fixe au cadre ouvrant d'une lucarne et utilisation de celui-ci pour une lucarne
US20100269426A1 (en) 2009-04-22 2010-10-28 Crystalite Inc. Glazed skylight assembly
BE1019311A4 (nl) * 2011-03-18 2012-05-08 Plastics Nv Ag Profielsamenstel voor een daklichtelement.

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