Roof window system with a ventilation unit mounted adjacent to the roof window, and a method of providing ventilation for a building

Patent metadata

Field	Value
Publication number	US-11834832-B2
Application number	US-202017134033-A
Country	US
Kind code	B2
Filing date	Dec 24, 2020
Priority date	Dec 30, 2019
Publication date	Dec 5, 2023
Grant date	Dec 5, 2023

Abstract

The roof window system (1) is configured for being mounted in an opening in a roof structure (23) of a building and includes a ventilation unit (5) configured for being mounted adjacent to a roof window (13) and adapted for providing ventilation of the interior of the building in which the roof window is mounted. The roof window comprises a frame (2) defining a frame plane and including a pane (4) mounted in said frame. The frame comprises a top frame member (2a) intended for being located highest in the mounted state when seen in the direction of inclination of the roof structure, a bottom frame member opposite the top frame member, and two side frame members extending between the top frame member and the bottom frame member, said frame members together form a window structure delimiting a frame opening and each having an interior side (2f) intended for facing the interior in the mounted state, an exterior side intended for facing the exterior, an inner side (2d) facing the frame opening and an outer side (2e) facing away from the frame opening. The ventilation unit is configured for being arranged primarily adjacent to the outer side of a frame member, and comprises a lower side (24) configured for being arranged adjacent to or at the interior side (2f) of said frame member (2a). The roof window system further comprises a ventilation panel (3) allowing air passage from one side of the ventilation panel to another side of the ventilation panel, thereby defining an intended air flow direction, said ventilation panel being configured for facing the interior of the building and extending away from the interior side of the frame member adjacent to which the ventilation unit is mounted.

First claim

The invention claimed is:

1. A roof window system configured for being mounted in an opening in a roof structure of a building, said roof window system including a ventilation unit configured for being mounted adjacent to a roof window and adapted for providing ventilation of an interior of the building in which the roof window is mounted,
where said roof window comprises at least one frame defining a frame plane and including a pane mounted in said at least one frame,
the at least one frame comprising a top frame member intended for being located highest in a mounted state when seen in a direction of inclination of the roof structure, a bottom frame member opposite the top frame member, and two side frame members extending between the top frame member and the bottom frame member, said top frame member, said bottom frame member and said two side frame members together form a window structure delimiting a frame opening and each having an interior side intended for facing an interior in the mounted state, an exterior side intended for facing an exterior, an inner side facing the frame opening and an outer side facing away from the frame opening,
where the ventilation unit is configured for being arranged primarily adjacent to the outer side of a corresponding frame member, and
the ventilation unit comprises a frame facing side configured for being arranged adjacent to or at the interior side of said corresponding frame member and
the roof window system further comprising a ventilation panel allowing air passage from one side of the ventilation panel to another side of the ventilation panel, thereby defining an intended air flow direction, said ventilation panel being configured for facing the interior of the building,
wherein the ventilation unit and/or ventilation panel when installed are oriented relative to the roof window so that the roof window system includes at least one of the following:
(i) the ventilation unit ventilates the interior of the building without air passing through the at least one frame,
(ii) a first plane extending from the exterior to the interior and passing through a center of said ventilation unit does not pass through the frame opening, the first plane extending substantially perpendicular to the direction of inclination of the roof structure,
(iii) the ventilation panel extends inwardly from an innermost surface of the interior side of the corresponding frame member, wherein the interior side of the corresponding frame member forms a bottom of the corresponding frame member,
(iv) at least a portion of the ventilation panel is positioned at or below an innermost surface of the interior side of the corresponding frame member; and,
(v) at least a portion of the ventilation unit extends outwardly from an outermost portion of the outer side of the corresponding frame member in a direction parallel to the frame plane such that an exterior air inlet is horizontally offset outwardly from the frame opening.

2. A roof window system according to claim 1 , wherein the ventilation panel is configured such that the ventilation panel does not extend below a window frame plane defined by the inner side of the corresponding frame member in a mounted state.

3. A roof window system according to claim 2 , wherein the ventilation panel is configured for being accommodated in a groove in the frame adapted for receiving a lining panel and/or the ventilation panel is provided with a groove configured to accommodate a lining panel.

4. A roof window system according to claim 1 , wherein the ventilation panel is configured such that the intended air flow direction is extending substantially perpendicular to the frame plane in the mounted state.

5. A roof window system according to claim 4 , wherein the ventilation panel is configured for being accommodated in a groove in the frame adapted for receiving a lining panel and/or the ventilation panel is provided with a groove configured to accommodate a lining panel.

6. A roof window system according to claim 1 , wherein the ventilation unit is configured to be arranged at the top frame member.

7. A roof window system according to claim 6 , wherein the ventilation panel is configured for being accommodated in a groove in the frame adapted for receiving a lining panel and/or the ventilation panel is provided with a groove configured to accommodate a lining panel.

8. A roof window system according to claim 1 , wherein the ventilation panel is configured for being accommodated in a groove in the frame adapted for receiving a lining panel and/or the ventilation panel is provided with a groove configured to accommodate a lining panel.

9. A roof window system according to claim 1 , further comprising a lining panel, wherein the ventilation panel is integrated in the lining panel.

10. A roof window system according to claim 1 , wherein the ventilation panel comprises a grating and/or a closure.

11. A roof window system according to claim 1 comprising a ventilation assembly comprising the ventilation unit that is configured for being arranged adjacent to the outer side of the corresponding frame member and a housing, said housing accommodates the ventilation unit.

12. A roof window system according to claim 11 , wherein dimensions of the housing are chosen such that a length of the housing is parallel to a length of the corresponding frame member which the ventilation unit is adjacent to and does not exceed the length of the corresponding frame member, and a height of the housing is parallel to a height of the corresponding frame member which the ventilation unit is adjacent to and does not exceed the height of the corresponding frame member.

13. A roof window system according to claim 11 , wherein the housing comprises a solar cell mounted on an exterior side of the housing for supplying electricity to the ventilation unit.

14. A roof window system according to claim 1 , further comprising a sash, comprising a top member, bottom member and two side members defining a sash plane, wherein the ventilation unit is configured for being mounted such that the ventilation unit, the corresponding frame member adjacent to which the ventilation unit is mounted and a corresponding sash member are located substantially in continuation of each other when seen in a direction of the frame plane in the mounted state.

15. A roof window system according to claim 1 , wherein a ventilation assembly further comprising an input and exhaust of air and/or a ventilator and/or an air purifying filter.

16. A roof structure including a roof window system, said roof window system including a ventilation unit configured for being mounted adjacent to a roof window and adapted for providing ventilation of an interior of the building in which the roof window is mounted,
where said roof window comprises at least one frame defining a frame plane and including a pane mounted in said at least one frame,
the at least one frame comprising a top frame member located highest when seen in a direction of inclination of the roof structure, a bottom frame member opposite the top frame member, and two side frame members extending between the top frame member and the bottom frame member, said top frame member, said bottom frame member and said two side frame members together form a window structure delimiting a frame opening and each having an interior side facing the interior, an exterior side facing the exterior, an inner side facing the frame opening and an outer side facing away from the frame opening,
where the ventilation unit is arranged at the outer side of a corresponding frame member, wherein th

Assignees

• Vkr Holding As

Inventors

• Jacobsen Per

Classifications

• E04D13/0325 Primary

  provided with ventilating means (roof ventilation F24F7/02) · CPC title

• E04D13/031

  characterised by a frame for connection to an inclined roof · CPC title

• F24F7/025

  with forced air circulation by means of a built-in ventilator · CPC title

• F24F13/28

  Arrangement or mounting of filters · CPC title

• F24F2221/20

  mounted in or close to a window · CPC title