EP1500773B1 - Device for limiting air flow in a forced ventilated window - Google Patents

Device for limiting air flow in a forced ventilated window Download PDF

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Publication number
EP1500773B1
EP1500773B1 EP04103452A EP04103452A EP1500773B1 EP 1500773 B1 EP1500773 B1 EP 1500773B1 EP 04103452 A EP04103452 A EP 04103452A EP 04103452 A EP04103452 A EP 04103452A EP 1500773 B1 EP1500773 B1 EP 1500773B1
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EP
European Patent Office
Prior art keywords
air flow
window
ventilation flap
basic body
limiting device
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Expired - Lifetime
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EP04103452A
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German (de)
French (fr)
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EP1500773A1 (en
Inventor
Reinhard Herzog
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Profine GmbH
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Profine GmbH
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    • 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

Definitions

  • the invention relates to a forced ventilation window with frame, sash, and a device for limiting the flow of air from the window outside to the interior of the room according to the preamble of claim 1, and a device for limiting the air flow of a forced ventilation window according to the preamble of claim. 5
  • the DE 196 10 428 C2 relates to a forced ventilation window with frame, sash and a center seal.
  • the seal has a first sealing lip, the upper end rests with the window closed on a stop surface of the frame or sash. In this first sealing lip are air passage openings.
  • the seal also has a second one Sealing lip, the elastic, with the window closed freely movable and arranged at an acute angle to the first sealing lip, that at a certain differential pressure between the outside of the window against the inside of the window, the air passage openings are at least partially closed.
  • This solution has proven very successful in practice, however, the seal must be made with very high precision in order to achieve a reproducible closing characteristic of the seal. In addition, this construction is not suitable to close the air passage openings already at relatively low air pressure differences.
  • the DE 199 29 133 C2 relates to a wing and frame plastic window having a window fold between an outer panel seal and an inner wing seal, wherein air flows between the wing and the frame from outside to inside and vice versa through the window rabbet.
  • At least one folding ventilator is provided in the window fold, which has an air guiding chamber and a volume flow limiter.
  • the folding fan is attached to the frame.
  • the actual ventilation path and the flow limiter are not accessible from the outside, so they can not be cleaned without much effort.
  • the construction is relatively expensive.
  • Object of the present invention is therefore to provide a generic forced-ventilation window with flow limitation and a device for limiting the air flow of a forced ventilation window provide that do not have these disadvantages.
  • Other objects and concerns of the invention will become apparent from the advantages of the teaching of the invention over the known solutions.
  • the forced-ventilated window has a frame, which is known per se to a person skilled in the art, composed of window frame profiles and a corresponding casement frame formed from wing frame profiles.
  • frame profiles and sash profiles are made of plastic, in particular hard PVC.
  • Window frame profiles usually have a receiving groove for receiving a glass strip in the room-side folding area.
  • the receiving groove serves as fixed glazing - ie without wings - for receiving the glazing bead that holds the fixed glazing.
  • this receiving groove is normally used only for receiving strike plates.
  • the invention uses this receiving groove for attachment of the air flow limiting device.
  • the force-ventilated window according to the invention has a folding chamber formed between the frame and sash, through which air can flow from the outside of the window to the inside of the room.
  • a device for limiting the air flow is provided, said air flow limiting device having a base body and a pendulum mounted in the base ventilation flap.
  • the main body has latching means with which it can be secured in the receiving groove. Possibly.
  • an attachment can be made by one or more screws.
  • the device for limiting the airflow is arranged in the rebate area of the closed window so that the air flowing from the window outside to the room side is guided past the ventilation flap.
  • a defined flow rate is exceeded, which is accompanied by exceeding a defined pressure difference between the window outside and the interior of the room
  • the ventilation flap preferably held exclusively by its gravity in the rest position is pivoted out of the rest position and strikes against a stop surface, whereby the further air supply throttled or preferably is largely interrupted.
  • the ventilation flap remains in this "closed position". After falling below a certain differential pressure, the ventilation flap pivots by its own weight back into the vertical rest position and thus releases the ventilation path again.
  • the ventilation flap has a straight, symmetrical cross-sectional shape, preferably without counterweights etc.
  • the base body has a stop surface on which the pendulum-mounted ventilation flap sealingly abuts in the closed position.
  • the fold-side surface of the wing stop chamber serves as a stop surface for the ventilation flap.
  • the main body of the air flow limiting device according to the invention is preferably sealed against the sash by a seal.
  • This seal can be integrally connected to the main body according to a particularly preferred embodiment of the invention.
  • the preparation is then preferably carried out in the two-component injection molding process known to those skilled in the art.
  • inventive forced ventilation window consists essentially of the frame 1, which is composed of frame profiles 2 made of hard PVC, the sash 3, which is composed of the sash profiles 4, and the air flow limiting device 10th
  • the airflow limiting device 10 is shown enlarged in Fig. 3 in section and in Fig. 4 in a perspective view. It consists essentially of the main body 11, which was produced by injection molding of ASA, and the ventilation flap 12, which also consists of ASA.
  • the base body 11 has on its upper side the latching means 13, so that it can be clipped into the glass retaining strip receiving groove 5 of the upper horizontal frame profile 2.
  • the ventilation flap 12 has on both end faces each have a round bearing pin which serves as a suspension in the base body 11.
  • the ventilation flap 12 is thus between a vertical Basic position (Fig. 1) and a "closed position" (Fig. 2) freely movable.
  • the ventilation flap 12 has small stop knobs 18 made of TPE, which protrude slightly with respect to the ventilation flap 12 and thus damp the stop.
  • the base body 11 has a seal 14.
  • this seal 14 is integrally connected to the main body (two-shot injection molding). In the view from the room side, this seal 14 is U-shaped. In the region in which the base body 11 and the seal 14 touches the casement 3, the otherwise circumferential inner stop seal of the casement 3 is notched.
  • the axis of rotation 15 of the air flow restriction device 10 is arranged so that in the installed state (FIG. 1, FIG. 2), it is still within the glass retaining strip receiving groove 5, ie above the lower edge of the glass retaining strip receiving groove 5.
  • the ventilation flap 12 is pivoted into the closed position (FIG. 2), the ventilation flap 12 just touches the room-side lower edge of the receiving groove 5, so that an inflow of air from the receiving groove 5 through the gap between this room-side lower edge of the receiving groove 5 and the Ventilation flap 12 is largely avoided.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Building Environments (AREA)

Abstract

The window with a forced ventilation, from the outer side (8) to the inner side (9), has an air flow limit in the rabbet chamber (7). It has a base body with a ventilation flap (12) which swings around an axis (15). The base body has a ratchet lock to fasten it in a holding groove (5). The flap axis lies within the groove. The base body has a limit stop edge (16), which is struck by the flap with surface bumps to define the air flow.

Description

Technisches GebietTechnical area

Die Erfindung betrifft ein zwangsbelüftetes Fenster mit Blendrahmen, Flügelrahmen, sowie einer Vorrichtung zur Begrenzung des Luftstroms von der Fensteraußenseite zum Rauminneren gemäß Oberbegriff des Anspruchs 1, sowie eine Vorrichtung zur Begrenzung des Luftstroms eines zwangsbelüfteten Fensters gemäß Oberbegriff des Anspruchs 5.The invention relates to a forced ventilation window with frame, sash, and a device for limiting the flow of air from the window outside to the interior of the room according to the preamble of claim 1, and a device for limiting the air flow of a forced ventilation window according to the preamble of claim. 5

Der Einsatz wärmegedämmter Fenster mit verbesserter Fugendichtigkeit führt häufig, insbesondere bei Einsatz in Feuchträumen wie Bädern und Küchen, zu vermehrten Feuchtigkeitsschäden wie Schimmelpilzbefall, sofern nicht eine regelmäßige und ausreichende Belüftung der Räume sichergestellt werden kann. Ein ähnliches Problem tritt bei Wohnungen mit offener Gasetagenheizung o. dgl. auf. Es ist deshalb verschiedentlich vorgeschlagen worden, Fenster mit einer Zwangsbelüftung auszustatten, die unabhängig von einer Manipulation durch die Bewohner eine Mindestbelüftung der Räume sicherstellt. Bei höheren Luftdruckdifferenzen zwischen Innenraum und Gebäudeäußerem infolge hoher Windgeschwindigkeiten führen solche Zwangsbelüftungen jedoch zu unerwünscht hohen Volumenströmen der ausgetauschten Luft, die einen hohen Energieverlust und ggf. Zugerscheinungen verursachen.The use of heat-insulated windows with improved joint tightness often leads, especially when used in damp rooms such as bathrooms and kitchens, to increased moisture damage such as mold infestation, unless regular and adequate ventilation of the rooms can be ensured. A similar problem occurs in apartments with open gas heating or the like. It has therefore been variously proposed to equip windows with a forced ventilation, which ensures a minimum ventilation of the rooms regardless of a manipulation by the residents. At higher differences in air pressure between the interior and building exterior due to high wind speeds such forced ventilation, however, lead to undesirably high volume flows of the exchanged air, which cause a high energy loss and possibly drafts.

Stand der TechnikState of the art

Es sind bereits vielfältige Vorschläge für zwangsbelüftete Fenster gemacht worden, die eine Begrenzung des Luftstroms bei höheren Druckdifferenzen vorsehen. Die DE 196 10 428 C2 betrifft ein zwangsbelüftetes Fenster mit Blendrahmen, Flügelrahmen und einer Mitteldichtung. Die Dichtung weist eine erste Dichtlippe auf, deren oberes Ende bei geschlossenem Fenster an einer Anschlagfläche des Blendrahmens bzw. Flügelrahmens anliegt. In dieser ersten Dichtlippe befinden sich Luftdurchtrittsöffnungen. Die Dichtung weist weiterhin eine zweite Dichtlippe auf, die elastisch, bei geschlossenem Fenster frei beweglich und so im spitzen Winkel zu der ersten Dichtlippe angeordnet ist, dass bei Überschreiten eines bestimmten Differenzdruckes zwischen der Außenseite des Fensters gegenüber der Innenseite des Fensters die Luftdurchtrittsöffnungen wenigstens teilweise verschlossen werden. Diese Lösung hat sich in der Praxis sehr bewährt, allerdings muss die Dichtung mit sehr hoher Präzision hergestellt werden, um eine reproduzierbare Schließcharakteristik der Dichtung zu erreichen. Zudem eignet sich diese Konstruktion nicht dazu, die Luftdurchtrittsöffnungen bereits bei relativ geringen Luftdruckdifferenzen zu schließen.There are already many proposals for forced ventilation windows have been made, which provide a limitation of the air flow at higher pressure differences. The DE 196 10 428 C2 relates to a forced ventilation window with frame, sash and a center seal. The seal has a first sealing lip, the upper end rests with the window closed on a stop surface of the frame or sash. In this first sealing lip are air passage openings. The seal also has a second one Sealing lip, the elastic, with the window closed freely movable and arranged at an acute angle to the first sealing lip, that at a certain differential pressure between the outside of the window against the inside of the window, the air passage openings are at least partially closed. This solution has proven very successful in practice, however, the seal must be made with very high precision in order to achieve a reproducible closing characteristic of the seal. In addition, this construction is not suitable to close the air passage openings already at relatively low air pressure differences.

Die DE 199 29 133 C2 betrifft ein Kunststofffenster aus Flügel und Blendrahmen mit einem Fensterfalz zwischen einer äußeren Blendrahmendichtung und einer inneren Flügeldichtung, wobei durch den Fensterfalz Luft zwischen dem Flügel und dem Blendrahmen von außen nach innen und umgekehrt strömt. Dabei ist in dem Fensterfalz wenigstens ein Falzlüfter vorgesehen, der eine Luftführungskammer und einen Volumenstrombegrenzer aufweist. Der Falzlüfter ist am Blendrahmen befestigt. Der eigentliche Lüftungsweg und der Volumenstrombegrenzer sind nicht von außen zugänglich, sie können somit nicht ohne größeren Aufwand gereinigt werden. Zudem ist die Konstruktion relativ aufwendig.The DE 199 29 133 C2 relates to a wing and frame plastic window having a window fold between an outer panel seal and an inner wing seal, wherein air flows between the wing and the frame from outside to inside and vice versa through the window rabbet. At least one folding ventilator is provided in the window fold, which has an air guiding chamber and a volume flow limiter. The folding fan is attached to the frame. The actual ventilation path and the flow limiter are not accessible from the outside, so they can not be cleaned without much effort. In addition, the construction is relatively expensive.

Aus der DE 196 46 842 C2 ist eine in zwei seitlich angebrachten Lagerungen pendelnd gelagerte Lüftungsklappe bekannt, die innerhalb der Beschlagsnut des unteren waagerechten Flügelrahmens angebracht wird. Die Konstruktion ist nur bei Mitteldichtungssystemen anwendbar und bedarf spezieller Fräsungen im Falzbereich, die einen nicht unerheblichen Fertigungsaufwand erfordern.From the DE 196 46 842 C2 is in two laterally mounted bearings swinging mounted ventilation flap known, which is mounted within the fitting groove of the lower horizontal sash. The design is only applicable to center seal systems and requires special milling in the rebate area, which require a considerable manufacturing effort.

Aufgabetask

Aufgabe der vorliegenden Erfindung ist es daher, ein gattungsgemäßes zwangsbelüftetes Fenster mit Volumenstrombegrenzung sowie eine Vorrichtung zur Begrenzung des Luftstroms eines zwangsbelüfteten Fensters zur Verfügung zu stellen, die diese Nachteile nicht aufweisen. Weitere Aufgaben und Anliegen der Erfindung ergeben sich aus den Vorteilen der erfindungsgemäßen Lehre gegenüber den bekannten Lösungen.Object of the present invention is therefore to provide a generic forced-ventilation window with flow limitation and a device for limiting the air flow of a forced ventilation window provide that do not have these disadvantages. Other objects and concerns of the invention will become apparent from the advantages of the teaching of the invention over the known solutions.

Darstellung der ErfindungPresentation of the invention

Das zwangsbelüftete Fenster weist einen dem Fachmann an sich bekannten, aus Blendrahmenprofilen zusammengesetzten Blendrahmen und einen entsprechenden, aus Flügelrahmenprofilen gebildeten Flügelrahmen auf. Bevorzugt sind Blendrahmenprofile und Flügelrahmenprofile aus Kunststoff, insbesondere Hart-PVC hergestellt. Es können jedoch auch andere Materialien verwendet werden, ohne den Bereich der vorliegenden Erfindung zu verlassen. Blendrahmenprofile weisen üblicherweise im raumseitigen Falzbereich eine Aufnahmenut zur Aufnahme einer Glasleiste auf. Die Aufnahmenut dient bei Verwendung des Blendrahmens als Festverglasung - also ohne Flügel - zur Aufnahme der Glasleiste, die die Festverglasung hält. Bei Verwendung des Blendrahmens zusammen mit einem Flügel, also ohne Festverglasung, wird diese Aufnahmenut normalerweise nur zur Aufnahme von Schließblechen genutzt. Die Erfindung nutzt diese Aufnahmenut zur Befestigung der Luftstrombegrenzungs-Vorrichtung.The forced-ventilated window has a frame, which is known per se to a person skilled in the art, composed of window frame profiles and a corresponding casement frame formed from wing frame profiles. Preferably, frame profiles and sash profiles are made of plastic, in particular hard PVC. However, other materials may be used without departing from the scope of the present invention. Window frame profiles usually have a receiving groove for receiving a glass strip in the room-side folding area. When using the frame, the receiving groove serves as fixed glazing - ie without wings - for receiving the glazing bead that holds the fixed glazing. When using the frame together with a wing, ie without fixed glazing, this receiving groove is normally used only for receiving strike plates. The invention uses this receiving groove for attachment of the air flow limiting device.

Das erfindungsgemäße zwangsbelüftete Fenster weist eine zwischen Blendrahmen und Flügelrahmen gebildete Falzkammer auf, durch die Luft von der Fensteraußenseite zur Rauminnenseite strömen kann. Im oberen horizontalen Falzbereich ist erfindungsgemäß eine Vorrichtung zur Begrenzung des Luftstroms vorgesehen, wobei diese Luftstrombegrenzungs-Vorrichtung einen Grundkörper und eine in dem Grundkörper pendelnd gelagerte Lüftungsklappe aufweist. Der Grundkörper weist Rastmittel auf, mit denen er in der Aufnahmenut befestigt werden kann. Ggf. kann zusätzlich eine Befestigung durch eine oder mehrere Schrauben erfolgen.The force-ventilated window according to the invention has a folding chamber formed between the frame and sash, through which air can flow from the outside of the window to the inside of the room. In the upper horizontal fold region according to the invention a device for limiting the air flow is provided, said air flow limiting device having a base body and a pendulum mounted in the base ventilation flap. The main body has latching means with which it can be secured in the receiving groove. Possibly. In addition, an attachment can be made by one or more screws.

Die Drehachse, um die diese Lüftungsklappe pendeln kann, verläuft nach der Erfindung innerhalb der Aufnahmenut zur Aufnahme einer Glasleiste.The axis of rotation about which this ventilation flap can swing, runs according to the invention within the receiving groove for receiving a glass strip.

Die Vorrichtung zur Luftstrombegrenzung ist so im Falzbereich des geschlossenen Fensters angeordnet, dass die von der Fensteraußenseite zur Raumseite strömende Luft an der Lüftungsklappe vorbeigeleitet wird. Bei Überschreiten einer definierten Strömungsgeschwindigkeit, was mit einer Überschreitung einer definierten Druckdifferenz zwischen Fensteraußenseite und dem Rauminneren einhergeht, wird die bevorzugt ausschließlich durch ihre Schwerkraft in der Ruheposition gehaltene Lüftungsklappe aus der Ruheposition geschwenkt und schlägt dabei an eine Anschlagfläche an, wodurch die weitere Luftzufuhr gedrosselt oder bevorzugt weitgehend unterbrochen wird. Solange die Luftdruckdifferenz zwischen Fensteraußenseite und dem Rauminneren einen definierten Betrag übersteigt, bleibt die Lüftungsklappe in dieser "Geschlossenposition". Nach Unterschreiten eines bestimmten Differenzdruckes schwenkt die Lüftungsklappe durch ihr Eigengewicht wieder zurück in die senkrechte Ruhestellung und gibt den Lüftungsweg damit wieder frei.The device for limiting the airflow is arranged in the rebate area of the closed window so that the air flowing from the window outside to the room side is guided past the ventilation flap. When a defined flow rate is exceeded, which is accompanied by exceeding a defined pressure difference between the window outside and the interior of the room, the ventilation flap preferably held exclusively by its gravity in the rest position is pivoted out of the rest position and strikes against a stop surface, whereby the further air supply throttled or preferably is largely interrupted. As long as the air pressure difference between the window outside and the interior of the room exceeds a defined amount, the ventilation flap remains in this "closed position". After falling below a certain differential pressure, the ventilation flap pivots by its own weight back into the vertical rest position and thus releases the ventilation path again.

Durch Wahl der Länge der Lüftungsklappe und ihres Gewichtes sowie des zur Erreichung der Schließstellung notwendigen Anstellwinkels kann der Differenzdruck, bei dem die Luftstrombegrenzungs-Vorrichtung die Lüftung begrenzt oder unterbricht, in weiten Bereichen eingestellt werden. Die Lüftungsklappe weist eine gerade, symmetrische Querschnittsform bevorzugt ohne Gegengewichte etc. auf.By selecting the length of the ventilation flap and its weight as well as the angle of attack necessary to reach the closed position, the differential pressure at which the airflow limiting device limits or interrupts the ventilation can be adjusted within wide limits. The ventilation flap has a straight, symmetrical cross-sectional shape, preferably without counterweights etc.

Es stellt dabei einen besonderen Vorteil der erfindungsgemäßen Luftstrombegrenzungs-Vorrichtung dar, dass diese so konzipiert werden kann, dass bereits bei sehr geringen Differenzdrücken, insbesondere 10 bis 60 Pa, insbesondere 25 bis 45 Pa, die Lüftungsklappe in die "Geschlossenstellung" ausgelenkt wird.It represents a particular advantage of the airflow limiting device according to the invention that it can be designed so that even at very low differential pressures, in particular 10 to 60 Pa, in particular 25 to 45 Pa, the ventilation flap is deflected into the "closed position".

Nach einer bevorzugten Ausführungsform der Erfindung weist der Grundkörper eine Anschlagfläche auf, an die die pendelnd gelagerte Lüftungsklappe in der Geschlossenstellung dichtend anliegt. Nach einer alternativen Ausführungsform der Erfindung dient die falzseitige Oberfläche der Flügelanschlagskammer als Anschlagsfläche für die Lüftungsklappe.According to a preferred embodiment of the invention, the base body has a stop surface on which the pendulum-mounted ventilation flap sealingly abuts in the closed position. According to an alternative embodiment of the invention, the fold-side surface of the wing stop chamber serves as a stop surface for the ventilation flap.

Bei geschlossenem Fenster wird der Grundkörper der erfindungsgemäßen Luftstrombegrenzungs-Vorrichtung bevorzugt gegen den Flügelrahmen durch eine Dichtung abgedichtet. Diese Dichtung kann gemäß einer besonders bevorzugten Ausführung der Erfindung einstückig mit dem Grundkörper verbunden sein. Die Herstellung erfolgt dann bevorzugt im dem Fachmann bekannten Zweikomponenten-Spritzgussverfahren.When the window is closed, the main body of the air flow limiting device according to the invention is preferably sealed against the sash by a seal. This seal can be integrally connected to the main body according to a particularly preferred embodiment of the invention. The preparation is then preferably carried out in the two-component injection molding process known to those skilled in the art.

Kurze Beschreibung der ZeichnungShort description of the drawing

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels sowie der Zeichnung näher erläutert. Es zeigen dabei:

Fig. 1
einen Querschnitt durch ein erfindungsgemäßes Fenster (offener Luftdurchgang)
Fig. 2
Fenster wie in Fig. 1 in Geschlossenstellung
Fig. 3
Querschnitt durch die Luftstrombegrenzungs-Vorrichtung
Fig. 4
perspektivische Ansicht der Luftstrombegrenzungs-Vorrichtung
Fig. 5
Diagramm Fugendichtigkeit
The invention will be explained in more detail with reference to an embodiment and the drawing. It shows:
Fig. 1
a cross section through an inventive window (open air passage)
Fig. 2
Window as in Fig. 1 in the closed position
Fig. 3
Cross section through the air flow restriction device
Fig. 4
Perspective view of the air flow restriction device
Fig. 5
Diagram of joint leakage

Bester Weg zur Ausführung der ErfindungBest way to carry out the invention

Das in Fig. 1 dargestellte, erfindungsgemäße zwangsbelüftete Fenster besteht im wesentlichen aus dem Blendrahmen 1, der aus Blendrahmenprofilen 2 aus Hart-PVC zusammengesetzt ist, dem Flügelrahmen 3, der aus den Flügelrahmenprofilen 4 zusammengesetzt ist, und der Luftstrombegrenzungs-Vorrichtung 10.The illustrated in Fig. 1, inventive forced ventilation window consists essentially of the frame 1, which is composed of frame profiles 2 made of hard PVC, the sash 3, which is composed of the sash profiles 4, and the air flow limiting device 10th

Die Luftstrombegrenzungs-Vorrichtung 10 ist in Fig. 3 im Schnitt und in Fig. 4 in perspektivischer Ansicht vergrößert dargestellt. Sie besteht im wesentlichen aus dem Grundkörper 11, der im Spritzgussverfahren aus ASA hergestellt wurde, und der Lüftungsklappe 12, die ebenfalls aus ASA besteht. Der Grundkörper 11 weist an seiner Oberseite die Rastmittel 13 auf, so dass er in die Glashalteleisten-Aufnahmenut 5 des oberen waagerechten Blendrahmenprofils 2 eingeklipst werden kann.The airflow limiting device 10 is shown enlarged in Fig. 3 in section and in Fig. 4 in a perspective view. It consists essentially of the main body 11, which was produced by injection molding of ASA, and the ventilation flap 12, which also consists of ASA. The base body 11 has on its upper side the latching means 13, so that it can be clipped into the glass retaining strip receiving groove 5 of the upper horizontal frame profile 2.

Die Lüftungsklappe 12 weist an beiden Stirnseiten je einen runden Lagerstift auf, der als Aufhängung in dem Grundkörper 11 dient. Die Lüftungsklappe 12 ist somit zwischen einer senkrechten Grundposition (Fig. 1) und einer "Geschlossenstellung" (Fig. 2) frei beweglich.The ventilation flap 12 has on both end faces each have a round bearing pin which serves as a suspension in the base body 11. The ventilation flap 12 is thus between a vertical Basic position (Fig. 1) and a "closed position" (Fig. 2) freely movable.

Bei Luftdruckdifferenzen zwischen der Fensteraußenseite 8 und der Raumseite 9 von unter 30 Pa kann die Luft, wie in Fig. 1 durch entsprechende Pfeile angedeutet, aus der Falzkammer 7 durch den zwischen der Lüftungsklappe 12 und der Anschlagkante 16 des Grundkörpers 11 sowie einen Spalt zwischen Blendrahmen 1 und der Anschlagskammer 6 des Flügelrahmens in das Rauminnere 9 strömen. Damit die Frischluft von der Fensteraußenseite 8 in die Falzkammer 7 gelangen kann, sind im Bereich der vertikalen Seiten des Fensters Ausnehmungen in der äußeren Anschlagdichtung 17 in dem Fachmann an sich bekannter Weise vorgenommen worden (in den Fig. nicht dargestellt).At air pressure differences between the window outer side 8 and the room side 9 of less than 30 Pa, the air, as indicated in Fig. 1 by corresponding arrows, from the folding chamber 7 through the between the ventilation flap 12 and the stop edge 16 of the base body 11 and a gap between the frame 1 and the stop chamber 6 of the casement in the space 9 to flow. So that the fresh air from the window outside 8 can get into the folding chamber 7, recesses in the outer stop seal 17 have been made in the conventional manner in the field of vertical sides of the window (not shown in the figures).

Übersteigt der Differenzdruck zwischen Fensteraußenseite 8 und Raumseite 9 einen Wert von ca. 30 Pa, bewegt die strömende Luft die nur durch ihre Schwerkraft in vertikaler Position gehaltene Lüftungsklappe 12 so weit, bis sie an die Anschlagkante 16 des Grundkörpers 11 (Fig. 3) anschlägt und damit den Lüftungsweg abdichtet. Um Klappergeräusche beim Anschlagen der Lüftungsklappe 12 an die Anschlagkante 16 zu vermeiden, weist die Lüftungsklappe 12 kleine Anschlagnoppen 18 aus TPE auf, die geringfügig gegenüber der Lüftungsklappe 12 vorstehen und somit den Anschlag dämpfen.If the differential pressure between the window outer side 8 and the room side 9 exceeds a value of approximately 30 Pa, the flowing air moves the ventilation flap 12 held only by its gravity in a vertical position until it abuts against the stop edge 16 of the main body 11 (FIG. 3) and thus seals the ventilation path. To avoid rattling noises when hitting the ventilation flap 12 to the stop edge 16, the ventilation flap 12 has small stop knobs 18 made of TPE, which protrude slightly with respect to the ventilation flap 12 and thus damp the stop.

Um den Grundkörper 11 gegenüber dem Flügelrahmen 3 abzudichten und ein Einströmen von Luft zwischen Grundkörper 11 und Anschlagskammer 6 zu vermeiden, weist der Grundkörper 11 eine Dichtung 14 auf. Im dargestellten Ausführungsbeispiel ist diese Dichtung 14 einstückig mit dem Grundkörper verbunden (Zweischuss-Spritzgussverfahren). In der Ansicht von der Raumseite ist diese Dichtung 14 U-förmig. In dem Bereich, in dem der Grundkörper 11 bzw. die Dichtung 14 den Flügelrahmen 3 berührt, ist die ansonsten umlaufende innere Anschlagdichtung des Flügelrahmens 3 ausgeklinkt.In order to seal the base body 11 relative to the casement 3 and to prevent an influx of air between the base body 11 and the stop chamber 6, the base body 11 has a seal 14. In the illustrated embodiment, this seal 14 is integrally connected to the main body (two-shot injection molding). In the view from the room side, this seal 14 is U-shaped. In the region in which the base body 11 and the seal 14 touches the casement 3, the otherwise circumferential inner stop seal of the casement 3 is notched.

Wie in Fig. 1 ersichtlich, ist die Drehachse 15 der erfindungsgemäßen Luftstrombegrenzungs-Vorrichtung 10 so angeordnet, dass sie im eingebauten Zustand (Fig. 1, Fig. 2) noch innerhalb der Glashalteleisten-Aufnahmenut 5, also oberhalb der unteren Kante der Glashalteleisten-Aufnahmenut 5, liegt. Beim Schwenken der Lüftungsklappe 12 in die Geschlossenstellung (Fig. 2) berührt dabei die Lüftungsklappe 12 gerade die raumseitige untere Kante der Aufnahmenut 5, so dass ein Einströmen von Luft aus der Aufnahmenut 5 durch den Spalt zwischen dieser raumseitigen unteren Kante der Aufnahmenut 5 und der Lüftungsklappe 12 weitgehend vermieden wird.As can be seen in Fig. 1, the axis of rotation 15 of the air flow restriction device 10 according to the invention is arranged so that in the installed state (FIG. 1, FIG. 2), it is still within the glass retaining strip receiving groove 5, ie above the lower edge of the glass retaining strip receiving groove 5. When the ventilation flap 12 is pivoted into the closed position (FIG. 2), the ventilation flap 12 just touches the room-side lower edge of the receiving groove 5, so that an inflow of air from the receiving groove 5 through the gap between this room-side lower edge of the receiving groove 5 and the Ventilation flap 12 is largely avoided.

In der Grafik in Fig. 5 ist die Abhängigkeit der Luftdurchgangsmenge in m3/h für ein mit einer erfindungsgemäßen Luftstrombegrenzungs-Vorrichtung 10 ausgestattetes Fenster mit einer Fugenlänge von 5,1 m in Abhängigkeit von der Luftdruckdifferenz zwischen Fensteraußenseite 8 und Raumseite 9 in Pa dargestellt. Bis zu einer Druckdifferenz von ca. 30 Pa steigt die ausgetauschte Luftmenge etwa linear bis auf einen Wert von 2 m3/h an. Bei weiter steigendem Druck schließt die Lüftungsklappe 12, die Luftdurchgangsmenge fällt auf ca. 0,35 m3/h ab. Bei weiterem Anstieg des Drucks steigt die Luftdurchgangsmenge dann wieder annähernd linear an bis auf Werte von ca. 1,3 m3/h bei 600 Pa.In the graph in Fig. 5, the dependence of the air flow rate in m 3 / h for a equipped with an inventive air flow limiting device 10 window with a joint length of 5.1 m depending on the air pressure difference between the window outside 8 and room side 9 in Pa is shown , Up to a pressure difference of about 30 Pa, the exchanged air quantity increases approximately linearly up to a value of 2 m 3 / h. If the pressure continues to rise, the ventilation flap 12 closes, the air flow rate drops to about 0.35 m 3 / h. As the pressure increases further, the air flow rate then increases again approximately linearly to values of approximately 1.3 m 3 / h at 600 Pa.

LegendeLegend

1.1.
Blendrahmenframe
2.Second
BlendrahmenprofilFrame profile
3.Third
Flügelrahmencasement
4.4th
FlügelrahmenprofilCasement profile
5.5th
Aufnahmenutreceiving groove
6.6th
Anschlagskammerstop chamber
7.7th
Falzkammerrebate chamber
8.8th.
FensteraußenseiteOutside of windows
9.9th
Raumseiteroom side
10.10th
Luftstombegrenzungs-VorrichtungLuftstombegrenzungs device
11.11th
Grundkörperbody
12.12th
Lüftungsklappeventilation flap
13.13th
Rastmittellatching means
14.14th
Dichtungpoetry
15.15th
Drehachseaxis of rotation
16.16th
Anschlagkantestop edge
17.17th
äußere Anschlagdichtungouter stop seal
18.18th
Anschlagnoppenstop knobs

Claims (7)

  1. Force-ventilated window comprising
    - an outer frame (1) formed from outer frame profiles (2), wherein at least the upper horizontal outer frame profile (2) has a mounting groove (5) for mounting a glass-retaining strip,
    - a sash frame (3) formed from sash frame profiles (4), wherein the sash frame (3) has a room-side sash stop formed by a stop chamber (6),
    - a rebate chamber (7) formed between the outer frame (1) and sash frame (3),
    - a ventilation path which allows an air flow from the outside (8) of the window to the room side (9) and which is at least partially routed through the rebate chamber (7), and
    - an air flow-limiting device (10) for limiting the air flow from the outside (8) of the window to the room site (9),
    wherein the air flow-limiting device (10)
    - is arranged in the rebate chamber (7) and
    - has a basic body (11) and a ventilation flap (12) which is mounted in the basic body (11) such that it can swing about an axis of rotation (15), and
    - wherein the basic body (11) has latching means (13) for fastening in the mounting groove (5),
    characterized in that the ventilation flap (12) has a rectilinear symmetrical cross section, and in that the axis of rotation of the ventilation flap (12) extends within the mounting groove (5).
  2. Force-ventilated window according to Claim 1, characterized in that the basic body (11) has a stop edge (16) against which the ventilation flap (12) butts when limiting the air flow.
  3. Force-ventilated window according to either of Claims 1 and 2, characterized in that the basic body (11) bears in a sealing manner against the sash frame (3) when the window is closed.
  4. Force-ventilated window according to one of Claims 1 to 3, characterized in that a peripheral inner seal is arranged between the sash frame (3) and outer frame (1), this inner seal being interrupted only in the region of the air flow-limiting device (10).
  5. Air flow-limiting device (10) for fastening to an outer frame profile (2), comprising the following features:
    - the air flow-limiting device (10) has a basic body (11) and
    - a ventilation flap (12) which is mounted in the basic body (11) such that it can swing about an axis of rotation (15),
    - wherein the basic body (11) has latching means (13) for fastening in a mounting groove (5) of the outer frame profile (2),
    characterized in that the ventilation flap (12) has a rectilinear symmetrical cross section.
  6. Air flow-limiting device (10) according to Claim 5, characterized in that the swing-mounted ventilation flap (12) pivots under its own weight into a vertical rest position once a differential pressure has dropped below a value of 10 to 60 Pa.
  7. Air flow-limiting device (10) according to either of Claims 5 and 6, characterized in that the basic body (11) has a stop edge (16) against which the ventilation flap (12) butts when limiting the air flow.
EP04103452A 2003-07-24 2004-07-20 Device for limiting air flow in a forced ventilated window Expired - Lifetime EP1500773B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10333849 2003-07-24
DE10333849A DE10333849A1 (en) 2003-07-24 2003-07-24 Forced ventilation window with airflow limitation and airflow limitation device

Publications (2)

Publication Number Publication Date
EP1500773A1 EP1500773A1 (en) 2005-01-26
EP1500773B1 true EP1500773B1 (en) 2008-01-23

Family

ID=33483060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04103452A Expired - Lifetime EP1500773B1 (en) 2003-07-24 2004-07-20 Device for limiting air flow in a forced ventilated window

Country Status (3)

Country Link
EP (1) EP1500773B1 (en)
AT (1) ATE384850T1 (en)
DE (2) DE10333849A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005006010A1 (en) * 2005-02-10 2006-08-24 Rehau Ag + Co. Frame assembly and air flow limiting device for this purpose
DE102005018929B4 (en) * 2005-04-22 2009-08-27 Heinz Becks Wing overlap fan
DE202006004712U1 (en) * 2006-03-22 2006-06-22 Aluplast Gmbh Window or door with ventilation
DE102007023538A1 (en) * 2007-05-18 2008-11-27 Enbema Becks Gbr (Vertreten Durch Christel Becks) Windows or doors, particularly aluminum or plastic window or aluminum or plastic doors, have middle seal, which are arranged one behind other in window or door rabbet formed between blind frame and leaf of window
DE102015014268A1 (en) 2015-11-05 2017-05-11 Albert Regensburger Window element with optimized arrangement of forced ventilation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19610428C2 (en) * 1996-03-16 2000-07-06 Huels Troisdorf Ventilated window
DE19646842C2 (en) * 1996-11-13 2002-11-28 Fickenscher Gealan Werk Gmbh Windows with a ventilation flap suspended in the hardware groove of the casement
DE29713821U1 (en) * 1997-08-02 1997-10-02 KBE Vertriebsgesellschaft für Kunststoffprodukte GmbH, 66763 Dillingen Wooden windows with forced ventilation
DE19929133C2 (en) * 1998-06-25 2001-06-28 Christel Becks Plastic window made of sash and frame
FR2798954A1 (en) * 1999-09-27 2001-03-30 Tryba Ventilation device for frame/window assembly consists of joint portion comprising valve part displaced by air flow passing between frame and window
DE20115414U1 (en) * 2001-09-18 2002-06-13 Becks, Heinz, 47608 Geldern Fensterfalzlüfter
DE10209696A1 (en) * 2002-03-06 2003-09-18 Kbe Profilsysteme Gmbh Forced ventilation window with airflow limitation
DE10244932A1 (en) * 2002-09-25 2004-04-08 Profine Gmbh Automatically vented window with air flow restrictor which has base body with flap to release ventilation path until closing same by bearing against stop face of centre seal in event of exceeding predetermined pressure difference

Also Published As

Publication number Publication date
DE502004006011D1 (en) 2008-03-13
EP1500773A1 (en) 2005-01-26
DE10333849A1 (en) 2005-03-31
ATE384850T1 (en) 2008-02-15

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