EP3578747A1 - Dachfenster mit verbesserter belüftung - Google Patents

Dachfenster mit verbesserter belüftung Download PDF

Info

Publication number
EP3578747A1
EP3578747A1 EP19178718.3A EP19178718A EP3578747A1 EP 3578747 A1 EP3578747 A1 EP 3578747A1 EP 19178718 A EP19178718 A EP 19178718A EP 3578747 A1 EP3578747 A1 EP 3578747A1
Authority
EP
European Patent Office
Prior art keywords
sash
ventilation device
unit
top member
roof 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.)
Granted
Application number
EP19178718.3A
Other languages
English (en)
French (fr)
Other versions
EP3578747B1 (de
Inventor
Rasmus Andersen
Jesper Händel NOER
Freddy Dam Thomsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VKR Holding AS
Original Assignee
VKR Holding AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VKR Holding AS filed Critical VKR Holding AS
Priority to PL19178718T priority Critical patent/PL3578747T3/pl
Publication of EP3578747A1 publication Critical patent/EP3578747A1/de
Application granted granted Critical
Publication of EP3578747B1 publication Critical patent/EP3578747B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B7/10—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses by special construction of the frame members
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/18—Air-flow control members, e.g. louvres, grilles, flaps or guide plates specially adapted for insertion in flat panels, e.g. in door or window-pane

Definitions

  • the present invention relates to a roof window comprising a frame having a plurality of frame members including a top member, two side members and a bottom member, a sash having a plurality of sash members including a top member, two side members and a bottom member, of which at least the sash top member includes a separate sash top unit forming part of or constituting the sash top member, and at least one ventilation device including a plurality of ventilation openings to provide ventilation between an exterior side and an interior side of the window.
  • Such windows come in a number of varieties and models.
  • the windows are generally equipped with operating means as well as ventilation means.
  • Some roof windows are provided with a ventilation flap rotatably connected to the sash, which at the same time fulfils the role of operating means to release and activate a lock cooperating with the frame.
  • the ventilation device By forming the ventilation device in the sash top unit and at the same time allowing the ventilation device to be releasably inserted into and removed from the sash top unit, a number of advantages are obtained. Based on the recognition that the need for maintenance or even replacement of components of the ventilation device surpasses the maintenance interval of other parts of the roof window, it is now easy and flexible to simply remove the ventilation device from the top sash unit, and then either re-introduce the same ventilation device, or a new one, when needed.
  • the releasable engagement by non-positive engagement only renders the use of structure penetrating fastening means such as screws redundant. This is particularly an advantage in those circumstances that the top sash unit is made of a plastic material.
  • the ventilation device has a longitudinal configuration extending between a first end and a second end, a length dimension being defined between the first and second ends substantially in parallel with a length direction of the sash top member, a height dimension perpendicular to the length dimension substantially in parallel with a width direction of the sash top member, and a thickness dimension perpendicular to the length dimension substantially in parallel with a thickness direction of the sash top member.
  • the engagement means are positioned at one or both of said first and second end and comprise at least one biasing device connected to the ventilation device and contacting the top sash unit of the sash top member in frictional engagement. This provides for excellent retention of the ventilation device in the top sash unit, while at the same time making retraction of the ventilation device easy and logical.
  • the top sash unit is provided with a track to accommodate the ventilation device, and the top sash unit is provided with a plurality of ventilation openings to match the ventilation openings of the ventilation device. This improves the ventilation conditions even further.
  • the top sash unit forms part of the sash top member and has a longitudinal extension defining a length exceeding the length of the at least one ventilation device, and the top sash unit is connected to the remaining parts of the sash top member at a respective longitudinal end.
  • the top sash unit is accommodated in a recessed portion of the sash top member and is held by its longitudinal ends to a respective end portion of the sash top member, the end portions of the sash top member being optionally formed by extended portions of the sash side members, by means of a flange portion of the top sash unit contacting an abutment portion associated to a transition portion.
  • This provides for a reliable and inconspicuous connection.
  • the top sash unit is fastened to the remaining parts of the sash top member by means of fastening means, such as screws, introduced through a plurality of apertures.
  • the sash top member is provided with an additional set of ventilation openings, preferably in the form of a first plurality of vent slits facing the top sash unit and a second plurality of vent slits in connection with the first plurality of vent slits and facing the interior side of the window.
  • an additional set of ventilation openings preferably in the form of a first plurality of vent slits facing the top sash unit and a second plurality of vent slits in connection with the first plurality of vent slits and facing the interior side of the window.
  • FIG. 1 the general configuration of a roof window is shown.
  • the roof window here comprises a primary frame in the form of a stationary frame 1 configured for installation in an inclined roof surface, here by means of mounting brackets 3 provided at the corners, but other installation principles may be applied as well.
  • the frame 1 comprises a plurality of frame members, here including a frame top member 11, two frame side members 12 and 13, and a frame bottom member 14.
  • At least one secondary frame is connected to the stationary frame 1, in the embodiment shown a sash 2 carrying a pane 4.
  • the sash 2 is pivotally connected to the stationary frame 2 in order to be able to rotate the sash 2 to an open position.
  • the sash 2 is provided hinge fitting part (not shown), cooperating with a counterpart hinge fitting part (not shown) provided on the frame 1.
  • the sash 2 comprises, corresponding to the frame 1, a sash top member 21, two sash side members 22 and 23, and a sash bottom member 24.
  • the hinge axis could be located arbitrarily in the roof window, but is here substantially centre-hinged.
  • the roof window could be top-hinged as well, meaning that the hinge axis is located near the frame top member 11 and the sash top member 21.
  • the user operates the operating device of the window, here in the form of a handle 5 at the bottom member 24 of the sash 2. Further details of the handle 5 are the subject of Applicant's copending patent application having the same filing date as the present application, and the contents thereof are incorporated herein by reference.
  • the roof window is provided with a ventilation device 6 accommodated in a top sash unit 7, acting to allow passage of air also in the closed position of the window.
  • the top sash unit 7 has a length dimension, a width dimension and a thickness dimension configured to cover a substantial part of the sash top member 21.
  • roof windows come in different sizes, it is understood that the person skilled in the art will be able to select such suitable length and width dimensions without undue burden.
  • the roof window is shown to comprise frame 1 with top member, two side members and a bottom member 11, 12, 13, 14, and sash 2 with top member, two side members and a bottom member 21, 22, 23, 24.
  • At least the sash top member 21 includes a separate sash top unit 7 forming part of or constituting the sash top member 21.
  • Other sash members may in principle be provided with separate sash units as well to form part of or constitute the sash member in question. The principles of such a separate unit could in principle be transferred to the frame as well, and also applies to fixed, i.e. not openable windows.
  • More than one ventilation device 6 may be provided in one sash or frame member. In the following, only one ventilation device 6 accommodated in the top sash unit 7 forming part of the sash top member 21 will be referred to.
  • the ventilation device 6 includes a plurality of ventilation openings 67 to provide ventilation between an exterior side and an interior side of the window.
  • the ventilation openings 67 are formed between bars 66 spaced apart by a certain distance.
  • the ventilation device 6 has a longitudinal configuration extending between a first end 6a and a second end 6b, a length dimension being defined between the first and second ends 6a, 6b substantially in parallel with a length direction of the sash top member 21, a height dimension perpendicular to the length dimension substantially in parallel with a width direction of the sash top member, and a thickness dimension perpendicular to the length dimension substantially in parallel with a thickness direction of the sash top member.
  • the ventilation device 6 functions as a well-known so-called click valve, in which a cover section 62 surrounded by border section 61 includes two push buttons 63 which may be activated independently of each other such that if one is activated, the cover section 62 will assume an inclined position and allowing air to flow in and out via a wedge-shaped opening, and if both push buttons 63 are activated, the cover section 62 will assume a position substantially in parallel with the border section 61.
  • the operating principles resemble those of a pen, i.e. reactivation of the lock is achieved by pushing the push buttons 63 back. Such principles are well-known and will not be described in further detail, although snap lock 60 responding to the activating push-buttons 63 is shown in Fig. 9 .
  • a back section 64 is provided adjacent but retracted from the border section 61.
  • engagement means generally designated 65 are provided at the back section 64.
  • the engagement means 65 are non-positive, i.e. force dependent only, and do not require removal of an obstacle in order to be released.
  • the engagement means 65 serve to releasably connect the ventilation device 6 to the sash top unit 7.
  • the engagement means 65 are positioned at both of the first and second end 6a, 6b and comprise at least one biasing device 69 connected to the ventilation device 6 and contacting the top sash unit 7 of the sash top member 21 in frictional engagement, as will be described in further detail below.
  • the top sash unit 7 is provided with a track 75.
  • the top sash unit 7 is provided with a plurality of ventilation openings 77 to match the ventilation openings 67 of the ventilation device 6, also separated by bars 76.
  • top sash unit 7 forms part of the sash top member 21 and has a longitudinal extension defining a length exceeding the length of the ventilation device 6.
  • the top sash unit 7 is connected to the remaining parts of the sash top member 21 at a respective longitudinal end 7a, 7b.
  • the top sash unit 7 has a front face 71 to which the border section 61 of the ventilation device 6 is substantially flush.
  • a top face 72 adjoins the front face 71.
  • a ledge 78 is provided at a distance in the height direction from the top face 72. Bars 76 thus extend between the ledge 78 and the underside of the top face 72.
  • the top sash unit 7 is accommodated in a recessed portion 211 of the sash top member 21 and is held by its longitudinal ends 7a, 7b to a respective end portion 210 of the sash top member 21, the end portions 210 of the sash top member 21 being here formed by extended portions of the sash side members 22, 23.
  • a flange portion 73 at each end 7a, 7b of the top sash unit 7 contacts an abutment portion 212 associated to a transition portion 213.
  • top sash unit 7 is fastened to the remaining parts of the sash top member 21 by means of fastening means, such as screws, introduced through a plurality of apertures 74.
  • the top sash unit 7 may for instance be provided as a moulded element and may be used both with a sash of wood and of a plastic material such as polyurethane (PU).
  • PU polyurethane
  • the top sash unit 7 is a plastic injection moulded element, with a surface adapted to be painted with a lacquer in order to resemble the surface finish of PU
  • FIGs 9 to 11 and Figs 12a and 12b another embodiment will be described with particular focus on the biasing device of the engagement means of the ventilation device 6.
  • elements having the same or analogous function carry the same reference numerals.
  • the biasing means comprises a spring lever 69 having at least one engagement portion 691, 692 to contact a corresponding flange portion 791, 792 on the top sash unit 7 in frictional engagement. Furthermore, at least one fastening portion 693, 694 is provided for fastening the spring lever 69 to the remaining parts of the ventilation device 6.
  • the spring lever 69 is formed as a substantially plate-shaped element comprising a number of bent portions with a length direction substantially parallel with the height dimension of the ventilation device 6, said bent portions including said at least one fastening portion 691, 692.
  • a first and a second engagement portion 691, 692 are provided as each an inclined plate section at opposite ends of a substantially plane bridge portion 690. In this way, the first and second engagement portions 691, 692 are allowed to flex resiliently when contacting the top sash unit 7.
  • a first and second fastening portions 693, 694 are provided as respective folded sections between a respective engagement portion 691, 692 and said bridge portion 690.
  • Each engagement portion 691, 692 is provided with friction-increasing means, preferably in the form of a set of teeth 691a, 692a.
  • opening 696 in plane section 695 of each fastening portion 693, 694 In addition to being an advantage during manufacture, this also assists in the resilient flexing of the engagement portions 691, 692.
  • the back side of the ventilation device 6 comprises an end block 680 at each longitudinal end 6a, 6b, between which a first and a second ledge 681, 682 extend. It is apparent that the bars 66 separating the ventilation openings 67 extend in the height direction between the first and second ledges 681, 682.
  • Simple fastening of the spring lever 6 to the remaining parts of the ventilation device 6 is here obtained in that the respective folded sections forming the first and second fastening portions 693, 694 of the ventilation device are clamped on to the respective first and second ledge 681, 682 of the ventilation device 6.
  • the parts of the ventilation device 6 are typically made of moulded plastic parts.
  • the biasing means here the spring lever 69, may be made of metal, for instance spring steel.
  • the sash top member 21 is provided with an additional set of ventilation openings, preferably in the form of a first plurality of vent slits, here in the form of recess vent slits 214, facing the top sash unit 7 and a second plurality of vent slits, here in the form of inner vent slits 215, in connection with the recess vent slits 214 and facing the interior side of the window.
  • the sash 2 is also provided with a lock bolt 216 interacting with an aperture (not shown) in the frame, for holding the sash 2 parked in a ventilation or cleaning position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
EP19178718.3A 2018-06-06 2019-06-06 Dachfenster mit verbesserter belüftung Active EP3578747B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL19178718T PL3578747T3 (pl) 2018-06-06 2019-06-06 Okno dachowe z ulepszoną wentylacją

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA201870326A DK180433B1 (en) 2018-06-06 2018-06-06 Roof window with ventilation

Publications (2)

Publication Number Publication Date
EP3578747A1 true EP3578747A1 (de) 2019-12-11
EP3578747B1 EP3578747B1 (de) 2020-11-18

Family

ID=66776202

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19178718.3A Active EP3578747B1 (de) 2018-06-06 2019-06-06 Dachfenster mit verbesserter belüftung

Country Status (4)

Country Link
EP (1) EP3578747B1 (de)
CN (1) CN211473932U (de)
DK (1) DK180433B1 (de)
PL (1) PL3578747T3 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2394767A (en) * 2003-02-07 2004-05-05 Jane Cynthia Margaret Harding A vent through a window frame
FR2899930A1 (fr) * 2006-04-18 2007-10-19 Ind De Moules Et Moulages Plas Systeme d'entree d'air et montant equipe d'un tel systeme
WO2009071087A1 (en) * 2007-12-03 2009-06-11 Form & Plast A/S Fresh air valve
EP2751355A1 (de) 2011-10-04 2014-07-09 VKR Holding A/S Dachfenster mit einem oberen schieberahmenmodul
EP2757222A2 (de) * 2013-01-18 2014-07-23 VKR Holding A/S Frischluftklappe mit Sperrmechanismus für eine Deckplatte

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2394767A (en) * 2003-02-07 2004-05-05 Jane Cynthia Margaret Harding A vent through a window frame
FR2899930A1 (fr) * 2006-04-18 2007-10-19 Ind De Moules Et Moulages Plas Systeme d'entree d'air et montant equipe d'un tel systeme
WO2009071087A1 (en) * 2007-12-03 2009-06-11 Form & Plast A/S Fresh air valve
EP2751355A1 (de) 2011-10-04 2014-07-09 VKR Holding A/S Dachfenster mit einem oberen schieberahmenmodul
EP2757222A2 (de) * 2013-01-18 2014-07-23 VKR Holding A/S Frischluftklappe mit Sperrmechanismus für eine Deckplatte

Also Published As

Publication number Publication date
PL3578747T3 (pl) 2021-06-14
CN211473932U (zh) 2020-09-11
DK180433B1 (en) 2021-04-23
DK201870326A1 (en) 2020-01-14
EP3578747B1 (de) 2020-11-18

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