• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    In the roof window system, the ventilation assembly (100) is in connection with the roof window (1) so that the exhaust device (6) sucks air from the interior of a building to the exterior.
    公开号:DK201670807A1
    申请号:DKP201670807
    申请日:2016-10-14
    公开日:2018-05-07
    发明作者:Jens-Ulrik Holst Henriksen
    申请人:Vkr Holding As；
    IPC主号:
    专利说明:

    <1θ> DANMARK <1°> DK 2016 70807 A1
    <12> PATENTANSØGNING
    Patent- og
    Varemærkestyrelsen (51)
    Int.CI.: E 06 B 7/10(2006.01)
    F 24 F 13/18 (2006.01)
    E 04 D 13/03(2006.01)
    F 24 F 7/08(2006.01) (21) Ansøgningsnummer: PA 2016 70807 (22) Indleveringsdato: 2016-10-14 (24) Løbedag: 2016-10-14 (41) Aim. tilgængelig: 2018-04-15 (71) Ansøger: VKR Holding A/S, Breeltevej 18, 2970 Hørsholm, Danmark (72) Opfinder: Jens-Ulrik Holst Henriksen, Fuglesangs Alle 15, 8210 Århus V, Danmark (74) Fuldmægtig: Awapatent A/S, Strandgade 56,1401 København K, Danmark (54) Benævnelse: A roof window system comprising a ventilation assembly with an exhaust device (56) Fremdragne publikationer:
    EP 0458725 A1 KR 20130106011 A DE 202016100906 U1 KR 20130106008 A EP 2784240 A2 US 792990 A US 657949 A (57) Sammendrag:
    In the roof window system, the ventilation assembly (100) is in connection with the roof window (1) so that the exhaust device (6) sucks air from the interior of a building to the exterior.
    Fortsættes ...
    DK 2016 70807 A1
    261
    Fig. 9
    DK 2016 70807 A1
    A roof window system comprising a ventilation assembly with an exhaust device
    Field of the invention
    The present invention relates to a roof window system comprising a roof window having at least one frame defining a frame plane and including a pane, the roof window further comprising a ventilation device connected to a frame member and adapted for providing ventilation of a building in which the roof window is mounted, and a ventilation assembly for a roof window having a ventilation device, comprising at least one ventilation unit including a at least one ventilator, the at least one ventilation unit being adapted to be connected to the ventilation device of the roof window. The invention furthermore relates to a method of operating the ventilation assembly in the roof window.
    Background art
    One of the primary functions in a window, besides admitting light, is to allow stale, warm, or otherwise used or spent air inside the building to exit and allowing fresh air from the exterior to enter the building in which the window is installed. This presupposes that the window is openable. Over time, the provision of ventilation in windows, also in situations in which the window is not open, either because it is a fixed window, or simply is not open, has become more or less standard equipment. This is the result of, among other things, increased focus on improving indoor climatic conditions and the microclimate in buildings. One example of a roof window providing a ventilating aperture is the type of window with a ventilation flap, which in pivot-hung windows also fulfils the double function of operating the window. In such a pivot-hung window, the ventilation flap thus has three positions, viz. a first and closed position, in which the window is closed and no ventilation is provided, a second position, in which the ventilation flap allows passage of air to and from the building, and a third position, in which the window may be
    DK 2016 70807 A1 operated. Other examples of ventilation assemblies are shown in for instance DK176947B1.
    Natural ventilation provided by such a ventilation device has a number of advantages. Among others, it is free of charge and noise-less. However, in certain fields of applications, mechanical ventilation solutions may be required.
    Examples of prior art roof window systems, including roof windows and ventilation assemblies, are shown in for instance Applicant’s European patents EP0458725B1 and EP0372597B1, and in published Danish patent application DK200001472A.
    Other examples are shown in documents DE102004037563A1, DE202004020630U1, DE19811469A1 and DE2906729U1.
    Although many of the above-mentioned prior art roof window systems, roof windows and ventilation assemblies provide well-functioning solutions, they also require that the roof window is built to receive such a ventilation assembly, typically by designing special parts and/or requiring further investment in the installation of auxiliary parts and installation equipment. Further, in many applications, the ventilation need to be equally powerful for both air intake, and air exhaust. For example in bathrooms, the need for a powerful exhaust is needed in order to keep the harmful dampness out of the room. A way to solve this is to add a bathroom exhaust fan. This is normally done by installing suction which leads the damp inside air to the ambient air of the exterior, either through a wall or a roof of the building. The suction can be done either by providing natural draught, a mechanical fan or a combination. However, installation of such is complicated, since it requires a lot of material fan, piping, roof channel installation and other expensive equipment, not to mention installation by a professional. This makes it costly. It is therefore a need for a solution that provides for increased flexibility and ease of installation and use.
    Summary of the invention
    With this background, it is an object of the present invention to provide an exhaust ventilation assembly for roof window system, which
    DK 2016 70807 A1 provides a ventilation assembly with an exhaust function and fresh air intake.
    A window system with a function of the kind provides for a discreet and neat solution that incorporates the air exhaust function. It may also provide for easy installation since the exhaust ventilation assembly may be installed to an already existing roof window.
    It is a further object to provide a roof window system using an exhaust ventilation assembly.
    It is a still further object to provide a method for installation and use of a roof window system, in which operation of the exhaust ventilation assembly is facilitated.
    According to a first aspect of the present invention, these and further objects are achieved with a roof window system of the kind mentioned in the introduction, in which the air exhaust device comprises a housing having predefined dimensions and accommodating said at least one ventilation unit, that each ventilation unit includes a flow channel having a first connecting end connected, in a mounted condition, to an inside air inlet in connection with the interior, and a second connecting end connected, in the mounted condition, to the ventilation unit, and that the housing further comprises a through channel having an ambient air intake end and an air exhaust end, the through channel further being connected to said inside air inlet via said flow channel so as to provide said fluid connection between the ventilation device of the roof window and the exterior.
    Thereby, a roof window system is provided, with which the flexibility and ease of installation aimed at are achieved. This may be done since the roof window system comprises the ventilation assembly, which may be arranged in direct connection with the roof window. The provision of a through flow of air from the air intake end to the air exhaust end, the through flow catches the inside air in the draft and entrains it towards the air exhaust end. The inside air is the air from inside the building. The window system may be installed in any room of a building requiring air exhaust, for instance a bathroom, which may contain hot and humid air. The inside air enters the ventilation assembly through the inside air inlet. There may be at least one ventilation unit, but two or more may be also possible. The ventilation unit,
    DK 2016 70807 A1 with its ventilator, may allow the air to be drawn towards the through channel. Once the air reaches the through channel, the draft from the ambient air extracts the inside air through the exhaust air end. This solution may be constructed in many sizes, which makes it a flexible solution to be designed according to any requirements. The sizing may depend on the size of the room to be ventilated. Also, depending on the type of roof window and the possibility to add a ventilation device, the ventilation device may be configured in several alternative ways. For instance, in one embodiment, the ventilation device may be assembled on the front part of the frame. The front part may be facing the outside. In this way, the total foot print of he window system may be substantially the same as a roof window. This arrangement also provides for a flexible solution that may be mounted to any roof window, without causing any extra damage to the roof. Another embodiment may be assembled on the top of the frame. This solution provides for moore space to house the ventilator or ventilators. In that way, this solution is suitable for a powerful extraction of larger quantities of air to be extracted.
    In a second aspect, a ventilation assembly is provided.
    In a third aspect of the invention, a method for operating a ventilation assembly of the roof window system is provided.
    By using the airflow of the existing ventilation flap in a roof window, a simple installation of the ventilation assembly is done. The ventilation assembly may thus be mounted directly to the roof window, and using the air inlet of the ventilation flap, connecting the ventilation device to that flow path. Since the ventilation device may require a power supply, it may be an advantage to have easy access to a mains power outlet. In that way, air exhaust from a room does not require damaging the roof or a wall in order to connect an external extraction fan.
    Other presently preferred embodiments and further advantages will be apparent from the following detailed description and the dependent claims.
    Brief description of drawings
    The invention will be described in more detail below by means of non-limiting examples of embodiments and with reference to the schematic
    DK 2016 70807 A1 drawing, in which
    Fig. 1 is a perspective view of a roof window system according to an embodiment ofthe invention;
    Fig. 2 is an exploded perspective view of the ventilation assembly of the roof window system according to an embodiment ofthe invention;
    Figs 3 and 4 are perspective views of the top and bottom part respectively of a ventilation assembly according to an embodiment of the invention;
    Figs 5 and 6 are perspective views showing a back and a front respectively, of a ventilation assembly according to an embodiment of the invention;
    Fig. 7 is an exploded view of a roof window and a ventilation flap according to an embodiment of the invention;
    Fig. 8 shows a top break out view of a ventilation assembly according to an embodiment ofthe invention;
    Fig. 9 is an exploded view of a roof window system according to an embodiment ofthe invention;
    Fig. 10 is a break out perspective view of a detail of a practical embodiment of a roof window system, corresponding to the one of Fig. 10; and
    Fig. 11 is an exploded perspective view of a roof window system a ventilation device and a roof window according to an embodiment of the invention,
    Detailed description ofthe invention
    The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope ofthe invention to those skilled in the art. In the drawings, like numbers refer to like elements.
    Elements having the same or analogous function are denoted by the
    DK 2016 70807 A1 same reference numerals to which 100, 200 and 300, respectively, has been added.
    Referring first to Fig 1 showing the overall appearance and principles underlying a roof window system in an embodiment of the invention. The roof window system comprises a roof window 1 and a ventilation assembly generally designated 100.
    The roof window 1 comprises at least one frame, in the embodiment shown and described two frames, of which one frame 2 is a stationary frame and a sash 3 encasing a pane 4. The sash 3 is typically openable and connected to the frame 2 via a hinge connection (not indicated), but may also be fixed, i.e. not as such openable, but allowing passage of air as will be described in further detail below. The frame 2 is, in a manner known per se, substantially rectangular and has a top member, and further a bottom member and two side members, not shown in detail. The sash 3 also has a top member, two side members, and a bottom member, not shown in detail. The frame 2 is adapted to be built into a roof structure of virtually any kind, typically comprising a number of rafters and battens, and further non-shown details such as vapour barrier collars etc., below a roofing material.
    As used in this description, in the case of an openable window, a closed position of the roof window 1 means a position in which the frame plane and the sash plane coincide, that is form an angle of 0 degrees with each other. Similarly an open position of the roof window 1 as used herein generally means a position in which the sash 3 is tilted about the pivot hinge axis such that the frame plane and the sash plane no longer coincide. The window according to the invention may be centre-hung in that the sash 3 is connected to the frame 2 by a pivot hinge (not shown) provided between side members of the frame 2 and sash 3, respectively, to be openable by tilting the sash 3 of the window 1 about a pivot hinge axis defined by the pivot hinge. The window according to the invention may be top-hung, with or without an intermediate frame structure, have the hinge axis somewhere between the top and the centre, be side-hung or for that matter even be bottom-hung, or fixed, i.e. not openable. As will be described in further detail below, the roof window system provides for ventilation in the closed position of the window.
    DK 2016 70807 A1
    The sash 3 and frame 2 of the window according to the invention may be made of wooden members or members made of cast or extruded polyurethane (PUR). In the installed position, the frame 2 and sash 3 are protected, in a manner known perse, by cover elements including a cladding and a flashing arrangement. Towards the interior, a suitable finishing may be provided, for instance comprising a lining panel.
    The roof window 1 has a ventilation device 5, which in the embodiment shown comprises a ventilation flap 51, which is connected to the top member of the sash 3 via a hinge connection, not shown. The ventilation flap 51 is an elongate element, which is connected to the top sash member by means of the hinge connection and furthermore to a lock, not shown in detail, by means of a link connection, not shown, adapted to enable the ventilation flap 51 to be placed in at least two, and preferably at least three, different positions including a closed and at least one open position. In a top member of the sash 3, a top sash module is provided, for instance of the kind described in Applicant’s international application with publication No. WO 2013/050039 A1, allowing the passage of air when the ventilation flap is in the open position.
    Operating a handle of the ventilation device 5 rotates the ventilation flap 51 from an open position to a closed position and vice versa. One or more intermediate positions, in which the ventilation flap 51 may be temporarily locked, may be defined between the open and closed position. In the embodiment shown and described, the ventilation flap 51 is adapted to assume two positions, viz. a first or closed position, in which the roof window 1 is closed and no ventilation is provided, and a second and ventilating position, in which the roof window 1 is still closed but a ventilation aperture is provided to allow air passage. There may be a third alternative and entirely open position, in which the sash 3 is able to pivot relative to the frame 2 to open the window.
    The roof window 1 of the invention forms part of a roof window system, which in addition to the roof window 1 comprises a ventilation assembly generally designated 100.
    DK 2016 70807 A1
    The ventilation assembly 100 comprisies an air exhaust device 6 for extracting inside air to the exterior, comprising at least one ventilation unit 61 including at least one ventilator 611,612, 613. The ventilation unit or units 61 is/are adapted to be connected to the ventilation device 5 of the roof window 1 so as to provide fluid connection between the interior ofthe building and the exterior, in the mounted condition.
    The air exhaust device 6 comprises a housing 7 having predefined dimensions and accommodating said at least one ventilation unit 61. As will be described in further detail below, each ventilation unit 61 includes a flow channel 63 having a first connecting end 63a connected, in a mounted condition, to an inside air inlet 62 in connection with the interior, and a second connecting end 63b connected, in the mounted condition, to the ventilation unit 61.
    Details of one embodiment of the ventilation assembly 100 will now be described in further detail with reference to the remaining drawing figures.
    In the embodiment shown, the ventilation assembly 100 is positioned above the top member of the window frame 2 as seen in the inclination of the roof.
    In Figs 2 and 3, it is shown that the ventilation assembly 100 comprises the housing generally designated 7 and having a cover 70 and two end pieces 70a and 70b. In the embodiment shown, the housing 7 is divided in the length direction into a left-hand part and a right-hand part, each accommodating a respective inside air inlet channel 62, 162. The air inlet channels coincide in the center to form a flow channel 63. In the center, a single ventilation unit 61 is provided. The ventilation unit 61 comprises a ventilator 611 which is provided with a power supply (not shown).
    The right-hand part and the left hand part is substantially identical or mirror-images of each other. Air from the inside enters through the ventilation flap 5, through the air inlet channel 62, 162 and travels through the flow channel.
    The housing 7 further comprises a through channel 71 having an ambient air intake end 711 and an air exhaust end 712, the through channel further being connected to said inside air inlet 62 via said flow channel 63
    DK 2016 70807 A1 so as to provide said fluid connection between the ventilation device 5 of the roof window 1 and the exterior.
    The air is accelerated through the ventilators towards a through channel 71. The through channel 71 is arranged substantially across the ventilation assembly 100. The through channel has, at each end, an ambient air intake 711 and an exhaust 712, respectively. The through channel 71 thus has a fluid connection from one side to the other of ambient air.
    The through channel 71 has a predefined dimension, and the flow channel 63 has a predefined dimension, causing the air pressure from the air entering the air intake end 711 in cooperation with the at least one ventilator 611, 612, 613 of the ventilation unit 61 to result in a flow of air to be directed from the inside air inlet 62 towards the air exhaust end 712 of the through channel 71 so as to provide a suction action.
    Once the inside air has travelled through the ventilators, the air enters the through channel 71. The inside air is then caught in the draft in the through channel 71 and passed through the exhaust end 712. It should be noted that the air intake end 711 and the exhaust end 712 can be on either one of the ends of the through channel, and that the numerals 711 and 712 are schematic. The air may travel towards any end. The end towards which the air may flow may depend on the rotating direction of the ventilators.
    As seen in Figs 2 to 4, the housing in the embodiment shown has a top part 702 and a bottom part 702. The top part 702 and the bottom part 701 cooperate in creating the respective channels mentioned 62, 63.
    The embodiment shown in Figs 1 to 4 is of a type that may be arranged and mounted above the window 1, seen in the direction of the inclination of the roof. The ventilation assembly 100 is thus positioned on the outside of the building, and arranged above the window 1.
    Referring now to Figs 5 to 11, in which a preferred embodiment of the invention is shown. The ventilation device is arranged on a top side of the frame 4. The top side is here meant the side facing the exterior of a building.
    The ventilation assembly is in this embodiment particularly suited for retrofitting onto an already installed roof window 1. In this regard, it is particularly advantategous that the length L of the ventilation assembly 100
    DK 2016 70807 A1 corresponds in substantce to a top casing of the roof window and is arranged in the position of such top casing.
    The roof window system of the embodiment of Figs 5 to 11 may thereby be a slimmer arrangement altogether, and does not require extra space on the roof.
    As seen in Fig. 8, the ventilation assembly 100 of the embodiment of Figs 5 to 11 comprises a set of two ventilation units 261, 361. The ventilation units 261, 361 each comprise a number of ventilators 611a, 612a, 613a and 611b, 612b, 613b, respectively. During operation, the flow direction of the ventilators 611,612,613 to extract the inside air towards the through channel 71 of the ventilation assembly 100. In any of the embodiments, the ventilation assembly 100 may be connected to a moisture sensor, not shown, which may determine at which speed the ventilators rotate. Once the roof window system including the roof window 1 and the ventilation assembly 100 is mounted, the ventilation assembly 100 may be operated to perform the desired ventilation.
    In the housing 7 of the ventilation assembly 100 of the present embodiment, two ventilation units 261,361 are provided, each including three ventilators 611a, 612a, 613a and 611b, 612b, 613b, respectively. A set of inside air inlet channels 262, 362b are provided in the housing 7, which can be seen in Figs 8 to 11. The flow from the ventilation units 61 are both further connected to the through channel 71. Thus, each ventilation unit 61a, 61b is adapted to be connected to a respective air inlet channel 262, 362 for air intake, and to the ventilation unit 261,361 to provide a predefined flow path to the through channel 71 to reach ambient air.
    The respective air inlet channels 262, 362 and ventilation units 361, 361 may be isolated from each other and a fluid connection be provided in any suitable manner. However, the through channel 71 may be common for the respective airflows from the respective ventilation unit.
    Further details of the ventilation assembly 100 are shown in Figs 8 to
    11.
    In Fig. 9, it is shown how the ventilation device is arranged to the front of the frame of the window. In this way, the ventilation device may be installed to an already existing window, without the need to cause any
    DK 2016 70807 A1 damage to the building. Power supply to motor 90 is provided by cord 91 which is plugged into the ordinary main supply of the building.
    It should be noted that the above description of preferred embodiments serves only as an example, and that a person skilled in the art 5 will know that numerous variations are possible without deviating from the scope of the claims.
    DK 2016 70807 A1 reference numerals roof window frame sash pane ventilation device ventilation flap ventilation assembly air exhaust device ventilation unit
    261 ventilation unit
    361 ventilation unit
    611 ventilator 611a ventilator 611b ventilator
    612 ventilator 611a ventilator 612b ventilator
    613 ventilator 613a ventilator 613b ventilator inside air inlet
    162 inside air inlet
    262 inside air inlet
    362 inside air inlet flow channel
    63a first connecting end 63b second connecting end
    263 flow channel
    263a first connecting end
    363 flow channel
    363a first connecting end 363b second connecting end housing cover
    70a first end piece 70b second end piece through channel
    701 bottom part
    702 top part
    711 air intake end
    712 exhaust end motor cord height length width
    DK 2016 70807 A1
    权利要求:
    Claims (12)
    [1] PATENT CLAIMS
    1. A roof window system comprising:
    a roof window (1) having at least one frame (2, 3) defining a frame plane and including a pane (4), the roof window (1) further comprising a ventilation device (5) connected to a frame member and adapted for providing ventilation of the interior of a building in which the roof window is mounted, and a ventilation assembly (100) comprising an air exhaust device (6) for extracting inside air to the exterior, comprising at least one ventilation unit (61) including at least one ventilator (611, 612, 613), the at least one ventilation unit (61) being adapted to be connected to the ventilation device (5) of the roof window (1) so as to provide fluid connection between the interior of the building and the exterior, in the mounted condition, characterised in that the air exhaust device (6) comprises a housing (7) having predefined dimensions and accommodating said at least one ventilation unit (61), that each ventilation unit (61) includes a flow channel (63) having a first connecting end (63a) connected, in a mounted condition, to an inside air inlet (62) in connection with the interior, and a second connecting end (63b) connected, in the mounted condition, to the ventilation unit (61), and that the housing (7) further comprises a through channel (71) having an ambient air intake end (711) and an air exhaust end (712), the through channel (71) further being connected to said inside air inlet (62) via said flow channel (63) so as to provide said fluid connection between the ventilation device (5) of the roof window (1) and the exterior.
    [2] 2. A roof window system according to claim 1, wherein the through channel (71) has a predefined dimension, and the flow channel (63) has a predefined dimension, causing the air pressure from the air entering the air intake end (711) in cooperation with the at least one ventilator (611,612, 613) of the ventilation unit (61) to result in a flow of air to be directed from the inside air inlet (62) towards the air exhaust end (712) of the through channel (71) so as to provide a suction action.
    DK 2016 70807 A1
    [3] 3. A roof window system according to claim 1 or 2, wherein the predefined dimensions of said housing (7) include a predefined width (W), a predefined length (L) and a predefined height (H), and wherein the housing (7) is divided in the height direction into a bottom part (701) and a top part (702), and wherein said inside air inlet (62) is formed by inside air inlet channel parts in the respective bottom and top parts (701,702).
    [4] 4. A roof window system according to claim 3, wherein the length (L) of the ventilation assembly (100) corresponds in substantce to a top casing of the roof window and is arranged in the position of such top casing.
    [5] 5. A roof window system according to any of the preceding claims, wherein the ventilation device (5) of the roof window (1) comprises a ventilation flap (51) openable between an open and a closed position from the inside of the building, wherein said inside air inlet (62) is arranged so that when the ventilation flap (61) is in an open position, a fluid connection between the interior and the inside air inlet (62) is provided.
    [6] 6. A roof window system according to claim 1 or 2, wherein the through channel (71) of the ventilation assembly (100) is accommodated directly within the housing (7).
    [7] 7. A roof window system according to any of the preceding claims, wherein the ventilator (611,612, 613) is connected to a power supply (90, 91) for receiving operating power.
    [8] 8. A roof window system according to claim 7, wherein the power supply has a switch to allow the ventilator (611, 612, 613) to switch between an operation mode and an off mode.
    [9] 9. A roof window system according to claims 5 and 8, wherein the switch is operated by operating the ventilation flap (51) so that when the
    DK 2016 70807 A1 ventilation flap (51) is open, the switch is set in an operation mode allowing the ventilators to operate, and when the ventilation flap is closed, the swicth is in an off mode whereby the ventilators are in an off mode.
    [10] 10. A ventilation assembly comprising an air exhaust device (6) for extracting inside air to the exterior, comprising at least one ventilation unit (61) including at least one ventilator (611, 612, 613), the at least one ventilation unit (61) being adapted to be connected to the ventilation device (5) of the roof window, characterised in that the air exhaust device (6) comprises a housing (7) accommodating said ventilation units (61), and each ventilation unit (61) includes a flow channel (63) having a first connecting end connected, in a mounted condition, to an air inlet channel (62) connected to the inside, and a second connecting end connected, in the mounted condition, to the ventilation unit (61), and the housing further comprises a through channel (71) having an ambient air intake end (711) and an air exhaust end (712), the through channel (71) further being connected to said air inlet channel (62) so as to provide a fluid connection between the ventilation device of the roof window and ambient air of the exterior, the ventilation device further being configured to be arranged in connection to a roof window.
    [11] 11. A method of operating a ventilation assembly of the roof window system of any one of claims 1 to 9, the method comprising the steps of:
    providing the ventilation device (5) of the roof window (1) as comprising a ventilation flap (51), activating the ventilation flap (51) of the roof window (1) whereby a fluid connection between the interior and the exterior is provided, wherein the ventilation flap, in the open position, operates a switch to assume an operation mode in which the ventilators start running for extracting inside air to the exterior.
    DK 2016 70807 A1
    [12] 12. Method according to claim 11, further comprising:
    closing the ventilation flap (5), whereby the fluid connection is interrupted and the switch is set in an off mode.
    5 13. Method according to claim 11 or 12, further comprising:
    operating the ventilation flap (5) to a sash opening position, in which the ventilation flap deactivates a lock so that the roof window is allowed to be opened
    DK 2016 70807 A1
    1/9
    712
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    DE202016100906U1|2016-02-19|2016-07-05|Vkr Holding A/S|Roof window system with a skylight and a ventilation structure|
    GB162405A|1920-02-02|1921-05-02|Henry Ismay Moralee Ross|Improved exhaust ventilators|
    GB2474529B|2010-03-10|2011-09-21|Green Structures Ltd|Ventilation system|DK201970837A1|2019-12-30|2021-07-26|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|
    DK201970836A1|2019-12-30|2021-07-28|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|
    法律状态:
    2020-09-25| PME| Patent granted|Effective date: 20200925 |
    优先权:
    申请号 | 申请日 | 专利标题
    DKPA201670807A|DK180278B1|2016-10-14|2016-10-14|A roof window system comprising a ventilation assembly with an exhaust device|DKPA201670807A| DK180278B1|2016-10-14|2016-10-14|A roof window system comprising a ventilation assembly with an exhaust device|
    EP17196345.7A| EP3309468A3|2016-10-14|2017-10-13|A roof window system comprising a ventilation assembly with an exhaust device and method of operating a ventilation assembly of such a roof window system|
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