The invention claimed is:
1. A roof window system comprising:
a roof window having a frame including a frame top member, two side members and a bottom member, defining a frame plane, and a sash including a sash top member, sash side members and a bottom member, and a pane, the roof window further comprising at least one ventilation device adapted for providing ventilation of a building in which the roof window is mounted,
at least one ventilation assembly including a housing accommodating at least one ventilation unit connected to an aperture for air intake and exhaust,
transition means being provided between the at least one ventilation assembly and the sash top member of the roof window to accommodate a set of flow paths for air to and from the at least one ventilation assembly,
said transition means comprise a plurality of apertures extending through the frame top member and a ventilation rack accommodated in the sash top member.
2. The roof window system according to claim 1 , wherein the plurality of apertures extending through the frame top member are located mainly in a bottom half part of a height of the frame top member.
3. The roof window system according to claim 1 , wherein the roof window system comprises internal equipment selected from a list comprising at least one of:
a top hinge device, electrical operator means, a covering assembly and a screening arrangement.
4. The roof window system according to claim 1 , wherein the transition means are formed integrally in the housing of the ventilation assembly.
5. The roof window system according to claim 4 , wherein the housing comprises a bottom section and an intermediate section, and wherein the transition means comprise a plurality of transition channels formed as an opening between a recessed entrance portion of a bottom section and an underside of an intermediate section.
6. The roof window system according to claim 5 , wherein the bottom section and the intermediate section of the housing are made of an insulating material, the housing also including a top section of the same material.
7. A roof window system comprising:
a roof window having a frame including a frame top member, two side members and a bottom member, defining a frame plane, and a sash including a sash top member, sash side members and a bottom member, and a pane, the roof window further comprising at least one ventilation device adapted for providing ventilation of a building in which the roof window is mounted,
at least one ventilation assembly including a housing accommodating at least one ventilation unit connected to an aperture for air intake and exhaust,
transition means being provided between the at least one ventilation assembly and the sash top member of the roof window to accommodate a set of flow paths for air to and from the at least one ventilation assembly,
said transition means comprise a plurality of apertures extending through the frame top member and a filter assembly including a filter rail connected to the housing of the ventilation assembly configured to receive a filter holder configured to be received in the plurality of apertures extending through the frame top member.
8. The roof window system according to claim 7 , wherein the filter rail is releasably connected to the housing and is provided with guides forming a track configured to receive a leg of the filter holder.
9. The roof window system according to claim 1 , wherein the ventilation rack has a modular configuration comprising a set of standardised rack sections including a plurality of rack sections dedicated to ventilation and including a respective aperture configured to form a fluid connection with the plurality of apertures extending through the frame top member.
10. The roof window system according to claim 9 , wherein the set of standardised rack sections include an end rack piece, and a central rack section and a rack section with an aperture configured to receive locking means.
11. The roof window system according to claim 1 , wherein the roof window comprises a frame gasket defining a first sealing plane and a sash gasket defining a second sealing plane, and wherein the sash gasket is received in a track in the ventilation rack.
12. The roof window system according to claim 11 , wherein a plurality of brush seals are connected to the ventilation rack to form one or more closed chambers together with the frame gasket and the sash gasket, the flow paths of the transition means to the plurality of apertures extending through the frame top member being located within said one or more closed chambers.
13. The roof window system according to claim 10 , wherein a first brush seal is connected to the central rack section, a second brush seal is connected to one end rack piece and a third brush seal is connected to another end rack piece.
14. The roof window system according to claim 13 , wherein the transition means comprise four apertures extending through the frame top member and the ventilation rack includes four rack sections dedicated to ventilation, and wherein two of the respective apertures of the rack sections are located in each closed chamber formed by the respective brush seals, the frame gasket and the sash gasket.
15. The roof window system according to claim 1 , wherein a second ventilation assembly is provided at the frame bottom member in addition to the at least one ventilation assembly provided at the frame top member of the roof window.
16. The roof window system according to claim 15 , wherein the roof window is installed to provide ventilation in a room located upstairs in a multi-storey building, the at least one ventilation assembly provided at the frame top member being connected to the ventilation device of the roof window to ventilate to an upstairs room, and wherein the second ventilation assembly provided at the frame bottom member is installed to provide ventilation in at least one other room located downstairs relative to the room to which the at least one ventilation assembly ventilates.
17. The roof window system according to claim 16 , wherein the second ventilation assembly is in fluid connection with the at least one other room by means of a duct and a second ventilation device.
18. The roof window system according to claim 15 , wherein the second ventilation assembly is in fluid connection with the at least one ventilation assembly.
19. The roof window system according to claim 9 , wherein the set of standardised rack sections include an end rack piece, and a central rack section and a rack section with an aperture configured to accommodate operating means of an electrical operator of the roof window system.
20. A roof window system comprising:
a roof window having a frame including a frame top member, two side members and a bottom member, defining a frame plane, and a sash including a sash top member, sash side members and a bottom member, and a pane, the roof window further comprising at least one ventilation device adapted for providing ventilation of a building in which the roof window is mounted, said frame top member including a top surface, a bottom surface, an outer side and an inner side, said outer side and said inner side each extending between said top surface and said bottom surface of said frame top member,
at least one ventilation assembly including a housing accommodating at least one ventilation unit connected to an aperture for air intake and exhaust,
transition means being provided between the at least one ventilation assembly and the sash top