EP2236724B1 - Foldable window ventilator with dampening spring - Google Patents

Foldable window ventilator with dampening spring Download PDF

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Publication number
EP2236724B1
EP2236724B1 EP10156980.4A EP10156980A EP2236724B1 EP 2236724 B1 EP2236724 B1 EP 2236724B1 EP 10156980 A EP10156980 A EP 10156980A EP 2236724 B1 EP2236724 B1 EP 2236724B1
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EP
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Prior art keywords
flap
air
fensterfalzlüfter
spring element
window
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German (de)
French (fr)
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EP2236724A2 (en
EP2236724A3 (en
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Heinz Becks
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00Special arrangements or measures in connection with doors or windows
    • E06B7/02Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B7/10Special 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

Definitions

  • the invention is directed to a Brefalzlformater with at least one air guide chamber in which a flow restrictor in the form of at least one pivotally mounted in the air guide chamber flap, which comprises a closure element and a counterweight forming return element, is arranged, wherein the return element and the closure element formurchurchmmbare surfaces , And the restoring element on its side facing the air duct chamber wall facing side has at least one cooperating with the wall and the flap in its open position driving spring element.
  • a Novafalzlmediaer is from the DE 199 29 133 C2 known.
  • This Novafalzlformater consists of an air duct chamber in which a flow restrictor is arranged in the form of a pivotally mounted flap.
  • This pivotally mounted flap consists of a light bent formed closure element and an integrally formed in the form of a return element counterweight. The counterweight pushes the flap in its open position and the flap is moved at a sufficiently high air flow against the force of the counterweight in its closure position closing the air guide chamber.
  • a Novafalzlmediaer which can be arranged operatively in vertically or approximately vertically arranged picnicfalzabêten a window element or a door element, is from the WO 2006/074839 A1 known.
  • This known Novafalzlformater has a hinged flap, which is provided on its one of the air guide chamber delimiting wall facing side with a spring element which is permanently in contact with this wall and presses the flap in its open position.
  • This embodiment is constructed so that the flap closes the air flow path inside the air guide chamber, which occurs because the apertured return element is applied to a wall bounding the air guide chamber.
  • the invention is therefore based on the object to provide a solution which makes it possible to obtain in a generic Recfalzlmediaer without affecting the air flow path and the maximum possible volume flow for a given size of its full functionality both when installed in a horizontal and vertical installation position ,
  • this object is achieved in that the at least one spring element is formed in a formed in this page, bottom closed trough interchangeable by means of a releasable latching connection to the return element.
  • the spring element-bearing wall or side of the return element in the form of a trough, it is possible, embedded therein and thus at least partially recessed, to arrange a spring element, which bounding to the adjacent and the air supply chamber Wall rests and drives the pendulum flap in its open position.
  • the return element can be tight against the limiting wall of the ventilation chamber.
  • the at least one spring element is replaceable attached to the return element. This makes it possible to replace the spring element, but this also in the production process after production of the pendulum flap to attach to this. It is also possible to decide whether a Novafalzlformater should have a spring element or not. As a result, only one body of the flow restrictor is needed, which can then be flexibly equipped with a spring element.
  • a particularly advantageous possibility of connection between spring element and restoring element consists largely in that the at least one spring element is fastened by means of a releasable latching connection to the return element.
  • the invention further provides that the at least one spring element made of metal or plastic.
  • the Fig. 1 shows a schematic representation of the view of a window element from the inside of an interior ago.
  • the window element is shown with its frame 1 and the window wing 2 arranged pivotally therein.
  • the sealing the window seam 5 on the building exterior side between the window frame 1 and sash 2 seal is in the lower part of the window at two positions 3a, 3b removed, so that there as shown by the arrows 4, from the outside air can flow into the window seam 5.
  • the air then flows as in Fig. 1 represented by arrows to a Novafalzlformater 6, from which the air then flows in the direction of the arrows 7 in the space provided with the window element interior. It is also possible that in the reverse direction and air from the interior reaches the building exterior.
  • the Destalzlmediaer 6 is in the also from the FIGS. 5 and 6 apparent position in the upper, transverse Novafalz Stud the window element arranged. It comprises an air-guiding chamber 8 in which a volume flow limiter 9 in the form of a flap pivotably mounted about an axis 10 is arranged. This flap comprises a slightly curved designed closure element 11 and a counterweight forming return element 12. As from the FIGS. 5 and 6 it can be seen, the closure element 11 in the in Fig.
  • the trough 16 is dimensioned such that the spring element 15 in the in Fig. 6 shown closure position of the flap completely immersed in the trough 16 and thus has substantially no over this top of the return element protruding areas, so that the pivoting region of the Volumenstrombeskyrs 9 between the gap-shaped opening 14 completely opening opening position Fig. 5 and the gap-shaped opening 14 occluding closure position according to Fig. 6 remains pivotable about the same angle and way, as a same size, but without spring element 15 trained Novafalzlformater.
  • the trough 16 is bottom-side, i. closed on its side facing the closure element 11 side.
  • a first provided therein latching opening 17 may be closed with a locking foot 18 of the spring element 15 to form a releasable latching connection.
  • the spring element 15 is thereby replaceably mounted in the trough 16 or on the return element 12.
  • the spring element 15 has the shape of a bending elastic biased rod or tongue-like element and is preferably made of plastic, but may also be made of metal.
  • the spring element 15 drives and forces the flow restrictor 9 in the in Fig. 5 illustrated Opening position, wherein the spring force counteracts a flowing from outside to inside airflow. If there is no air flow or an air flow flowing from the inside to the outside, the spring force of the spring element 15 forces the volume flow limiter into the air flow limiter Fig. 5 illustrated opening position. On the other hand, the spring element 15 acts at sufficiently high, in the air guide chamber 8 from the outside of the building entering air volume flow as a damper or damping element, the all too violent and sudden pivoting of the flow restrictor 9 in the in Fig. 6 shown closure position prevents.
  • the embodiment relates to a window, so the Novafalzlformater is equally between a door frame and a door leaf or a door wing circumferentially formed fold to be arranged.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Air-Flow Control Members (AREA)
  • Air-Conditioning For Vehicles (AREA)

Description

Die Erfindung richtet sich auf einen Fensterfalzlüfter mit mindestens einer Luftführungskammer in der ein Volumenstrombegrenzer in Form mindestens einer in der Luftführungskammer schwenkbeweglich gelagerten Klappe, die ein Verschlusselement und ein dazu ein Gegengewicht ausbildendes Rückstellelement umfasst, angeordnet ist, wobei das Rückstellelement und das Verschlusselement undurchströmbare Oberflächen ausbilden, und das Rückstellelement auf seiner einer die Luftführungskammer begrenzenden Wand zugewandten Seite mindestens ein mit der Wand zusammenwirkendes und die Klappe in ihre Öffnungsstellung treibendes Federelement aufweist.The invention is directed to a Fensterfalzlüfter with at least one air guide chamber in which a flow restrictor in the form of at least one pivotally mounted in the air guide chamber flap, which comprises a closure element and a counterweight forming return element, is arranged, wherein the return element and the closure element formurchurchmmbare surfaces , And the restoring element on its side facing the air duct chamber wall facing side has at least one cooperating with the wall and the flap in its open position driving spring element.

Um die ausreichende Belüftung von Innenräumen auch bei geschlossenen Fenstern oder Türen sicherzustellen, sind sogenannte Fensterfalzlüfter bekannt, die in den Fensterfalz zwischen Blendrahmen und Fensterrahmen oder in den Türfalz zwischen Türrahmen und Türblatt oder Türrahmen eingebaut werden. Zur Ausbildung eines durch den jeweiligen Fensterfalzlüfter führenden Belüftungsweges von der Gebäudeaußenseite zu dem jeweiligen Innenraum hin und zurück, werden Teile der Dichtung zwischen Blendrahmen und Fensterflügel oder Türrahmen und Türflügel oder Türblatt entfernt, so dass sich ein Luftführungsweg und Luftströmungsweg ausbildet, der einen Luftaustausch zwischen der Gebäudeaußenseite und dem jeweiligen Innenraum ermöglicht.In order to ensure adequate ventilation of interiors even with closed windows or doors, so-called Fensterfalzlüfter known, which are installed in the Fensterfalz between window frame and window frame or in the door rebate between the door frame and door leaf or door frame. To form a leading through the respective Fensterfalzlüfter ventilation path from the building exterior to the respective interior back and forth, parts of the seal between the frame and casement or door frame and door or door leaf are removed, so that an air guide path and air flow path is formed, an air exchange between the Outside of the building and the respective interior allows.

Ein Fensterfalzlüfter ist aus der DE 199 29 133 C2 bekannt. Dieser Fensterfalzlüfter besteht aus einer Luftführungskammer in der ein Volumenstrombegrenzer in Form einer schwenkbeweglich gelagerten Klappe angeordnet ist. Diese schwenkbeweglich gelagerte Klappe besteht aus einem leicht gebogen ausgebildeten Verschlusselement und einem daran in Form eines Rückstellelementes angeformten Gegengewicht. Das Gegengewicht drückt die Klappe in ihre Öffnungsstellung und die Klappe wird bei einem ausreichend hohen Luftstrom gegen die Kraft des Gegengewichtes in ihre die Luftführungskammer verschließende Verschlussposition bewegt. Derartige Fensterfalzlüfter haben sich in der Praxis erfolgreich bewährt. Sie sind allerdings mit dem konstruktionsbedingten Nachteil behaftet, dass zur Ermöglichung der Wirkung des Gegengewichtes die Schwenkachse der Pendelklappe quer zur Wirkungsrichtung der Erdanziehungskraft ausgerichtet sein muss. Dies führt dazu, dass derartige Fensterfalzlüfter in den oberen oder unteren quer verlaufenden Fensterfalzen eines Fensterelementes oder eines Türelementes eingebaut werden müssen. In den senkrecht verlaufenden Abschnitten eines Fensterfalzes oder eines Türfalzes wirkt die Erdanziehungskraft zumindest im Wesentlichen parallel zur Schwenkachse der Pendelklappe, so dass das Gegengewicht keine Bewegung der Pendelklappe in Richtung ihrer Öffnungsstellung bewirkt.A Fensterfalzlüfter is from the DE 199 29 133 C2 known. This Fensterfalzlüfter consists of an air duct chamber in which a flow restrictor is arranged in the form of a pivotally mounted flap. This pivotally mounted flap consists of a light bent formed closure element and an integrally formed in the form of a return element counterweight. The counterweight pushes the flap in its open position and the flap is moved at a sufficiently high air flow against the force of the counterweight in its closure position closing the air guide chamber. Such Fensterfalzlüfter have proven successful in practice. However, they are subject to the design-related disadvantage that to enable the effect of the counterweight, the pivot axis of the pendulum flap must be aligned transversely to the direction of action of the gravitational force. As a result, such Fensterfalzlüfter must be installed in the upper or lower transverse Fensterfalzen a window element or a door element. In the vertical sections of a window rebate or a door rebate, the force of gravity acts at least substantially parallel to the pivot axis of the pendulum flap so that the counterweight does not cause the pendulum flap to move in the direction of its open position.

Ein Fensterfalzlüfter, der auch in senkrecht oder annähernd senkrecht angeordneten Fensterfalzabschnitten eines Fensterelementes oder eines Türelementes funktionsfähig angeordnet werden kann, ist aus der WO 2006/074839 A1 bekannt. Dieser bekannte Fensterfalzlüfter weist eine schwenkbare Klappe auf, die auf ihrer einer die Luftführungskammer begrenzenden Wand zugewandten Seite mit einem Federelement versehen ist, das permanent mit dieser Wand in Kontakt steht und die Klappe in ihre Öffnungsstellung drückt. Diese Ausführungsform ist so konstruiert, dass die Klappe den Luftströmungsweg im Inneren der Luftführungskammer verschließt, was dadurch geschieht, dass sich das mit Durchbrechungen versehene Rückstellelement an eine die Luftführungskammer begrenzende Wand anlegt. In dieser Anlage des Rückstellelementes oder Regelelementes an der die Luftführungskammer begrenzenden Wand ist dann der durch in dem Rückstellelement oder Regelelement ausgebildete Durchbrechungen führende Luftströmungsweg unterbrochen. Aufgrund dieses Luftströmungsweges bildet sich bei diesem Fensterfalzlüfter hinter den Durchbrechungen zwischen der luftführungskammerinnenseitigen Seite des Rückstellelementes oder Regelelementes und der dazu benachbarten, die Luftzuführungskammer begrenzenden Wand ein Luftpolster oder eine Verwirbelung, die die Öffnungsbewegung der Klappe dämpft. Da in diesem Rückstellelement oder Regelelement Durchbrechungen vorhanden sind, werden auch die Federelemente in Form von in der Wand des Rückstell- oder Regelelementes beweglichen Zungen ausgebildet, die durch entsprechende Einschnitte und eine lediglich einseitige Anlenkung des jeweiligen Federelementes an das Rückstell- oder Regelelement gebildet werden.A Fensterfalzlüfter, which can be arranged operatively in vertically or approximately vertically arranged Fensterfalzabschnitten a window element or a door element, is from the WO 2006/074839 A1 known. This known Fensterfalzlüfter has a hinged flap, which is provided on its one of the air guide chamber delimiting wall facing side with a spring element which is permanently in contact with this wall and presses the flap in its open position. This embodiment is constructed so that the flap closes the air flow path inside the air guide chamber, which occurs because the apertured return element is applied to a wall bounding the air guide chamber. In this plant of the return element or control element on the wall bounding the air duct chamber is then interrupted by the formed in the return element or control element openings leading air flow path. Due to this air flow path is formed in this Fensterfalzlüfter behind the openings between the luftführungskammerinnenseite the return element or control element and the adjacent thereto, the air supply chamber bounding wall an air cushion or a swirling, which dampens the opening movement of the flap. Since openings are provided in this return element or control element, the spring elements are also designed in the form of movable in the wall of the restoring or control element tongues, which are formed by corresponding cuts and only one-sided articulation of the respective spring element to the restoring or control element.

Bei gattungsgemäßen Fensterfalzlüftern, wie sie beispielsweise der DE 10 2007 023 538 A1 bekannt sind, ist das Umströmungsprinzip der Pendelklappe des Volumenstrombegrenzers aber ein anderes. Dort wird das Verschlusselement lediglich auf seiner der Pendelklappenschwenkachse gegenüberliegenden Längskantenseite umströmt, die in der den Luftströmungsweg verschließenden Verschlussposition der Pendelklappe in Anlage an Bereiche der Luftzuführungskammer gelangt. Ein Durchströmen des Verschlusselementes oder des Rückstellelementes ist bei diesen Ausführungsformen nicht vorgesehen. Sowohl Durchbrechungen im Verschlusselement als aber auch im als Gegengewicht ausgebildeten Rückstellelement würden bei diesem Typ von Fensterfalzlüfter entweder zu Undichtigkeiten und einem Nichtfunktionieren der Pendelklappe führen oder aber störende und die Wirkungsweise beeinträchtigende Luftzirkulationen oder Verwirbelungen in der Einbauposition beim Gebrauch dieses Fensterfalzlüfters führen. Aus diesem Grunde ist es nicht möglich, dort im Rückstellelement Federelemente in Form von durch Einschnitte in der Wand des Rückstellelementes ausgebildeten Federzungen vorzusehen. Andererseits ist es hier auch nicht möglich, ausreichend Platz zwischen der die Luftzuführungskammer begrenzenden Wand und dem Rückstellelement beispielsweise dadurch herzustellen, dass die Neigung des Rückstellelementes im Verhältnis zum Verschlusselement verändert wird. Beispielsweise würde ein spitzerer Winkel zwischen Verschlusselement und Rückstellelement dazu führen, dass das Rückstellelement weiter in den Luftströmungsweg hineinragen und als Strömungshindernis von dem Luftstrom während des Gebrauchs des Fensterfalzlüfters erfasst würde. Dies hätte zur Folge, dass die Pendelklappe von dem Luftstrom früher in ihre Verschlussposition bewegt würde, als dies ggf. gewünscht ist. Sobald der Luftstrom unterbrochen wäre, würde das Gegengewicht die Pendelklappe wieder in ihre Öffnungsposition bewegen und der Luftstrom erneut durch den Fensterfalzlüfter strömen. Bei einer solchen Maßnahme wäre also ein unerwünschtes häufiges Pendeln der Pendelklappe zu erwarten, das zu unerwünschten Klappergeräuschen führen würde.In generic Fensterfalzlüftern how they, for example, the DE 10 2007 023 538 A1 are known, the flow around principle of the pendulum flap of the flow restrictor but another. There, the closure element is flowed around only on its longitudinal edge side opposite the pendulum flap pivot axis, which comes into contact with areas of the air supply chamber in the closure position of the pendulum flap closing the air flow path. A flow through the closure element or the return element is not provided in these embodiments. Both perforations in the closure element as well as in the formed as a counterweight restoring element would either lead to leaks and non-functioning of the pendulum flap in this type of Fensterfalzlüfter or disturbing and impair the effect of air circulation or turbulence in the installed position when using this window rebate fan. For this reason, it is not possible to provide spring elements there in the restoring element in the form of spring tongues formed by cuts in the wall of the restoring element. On the other hand, it is also not possible here to make sufficient space between the air supply chamber bounding wall and the return element, for example, characterized in that the inclination of the return element is changed in relation to the closure element. For example, a sharper angle between the closure element and the return element would cause the return element to protrude further into the air flow path and be detected as a flow obstacle by the air flow during use of the window rebate fan. This would result in the pendulum flap being moved earlier into its closed position by the airflow than might be desired. Once the airflow was interrupted, the counterweight would move the shuttle flap back to its open position and the airflow would again flow through the window folding fan. In such a measure, therefore, an undesirable frequent oscillation of the pendulum flap would be expected, which would lead to unwanted rattling noises.

Insbesondere aber würde eine solche geänderte Anordnung des Gegengewichtes relativ zum Verschlusselement dazu führen, dass dieses "früher", d.h. nach einer Schwenkbewegung aus der Verschlussstellung des Verschlusselementes in eine Öffnungsposition nach Überstreichen eines geringeren Winkels, bei einer Öffnungsbewegung der Pendelklappe auf einer Bodenfläche der Luftführungskammer aufliegt, als dies sonst bei einem Fensterfalzlüfter gleicher Baugröße der Fall ist. Dies hätte dann aber zur Konsequenz, dass der maximal mögliche Luftspalt zwischen dem Verschlusselement und der Luftführungskammer kleiner würde, was dazu führt, dass dadurch der maximal durch den Fensterfalzlüfter hindurchführbare Volumenstrom geringer würde.In particular, however, such an altered arrangement of the counterweight relative to the closure element would result in this "earlier", ie after a pivoting movement from the closure position of the closure element to an opening position after passing over a smaller angle, resting on a bottom surface of the air conduction chamber during an opening movement of the pendulum flap , as is otherwise the case with a Fensterfalzlüfter the same size. However, this would have the consequence that the maximum possible air gap between the closure element and the air guide chamber would be smaller, which leads to as a result, the maximum volume flow that can be passed through the window folding fan would be lower.

Diese vorstehend beschriebenen Probleme weist der gattungsgemäße, aus der DE 10 2007 023 538 A1 bekannte Fensterfalzlüfter auf. Dort ist auf der einer die Luftführungskammer begrenzenden Wand zugewandten Seite des Rückstellelementes ein Federelement angeordnet. Dieses steht aus der entsprechenden Rückseite des Rückstellelementes hervor. Würde beispielsweise der aus der DE 199 29 133 C2 bekannte Fensterfalzlüfter auf diese Art und Weise mit einem Federelement ausgestattet, so würde das Federelement verhindern, dass das Verschlusselement und das Rückstellelement in ihre Verschlusslage gelangen.These problems described above, the generic, from the DE 10 2007 023 538 A1 known Fensterfalzlüfter on. There, a spring element is arranged on the side facing the air guide chamber wall facing the return element. This is apparent from the corresponding back of the return element. Would, for example, from the DE 199 29 133 C2 known Fensterfalzlüfter equipped in this way with a spring element, the spring element would prevent the closure element and the return element get into its closed position.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Lösung zu schaffen, die es ermöglicht, bei einem gattungsgemäßen Fensterfalzlüfter ohne Beeinträchtigung des Luftströmungsweges und des bei einer vorgegebenen Baugröße maximal möglichen Volumenstroms dessen volle Funktionsfähigkeit sowohl bei einem Einbau in waagerechter als auch in senkrechter Einbauposition zu erhalten.The invention is therefore based on the object to provide a solution which makes it possible to obtain in a generic Fensterfalzlüfter without affecting the air flow path and the maximum possible volume flow for a given size of its full functionality both when installed in a horizontal and vertical installation position ,

Bei einem Fensterfalzlüfter der eingangs näher bezeichneten Art wird diese Aufgabe erfindungsgemäß dadurch gelöst, dass das mindestens eine Federelement in einer in dieser Seite ausgebildeten, bodenseitig verschlossenen Mulde auswechselbar mittels einer lösbaren Rastverbindung an dem Rückstellelement befestigt ist.In a Fensterfalzlüfter of the type described in more detail, this object is achieved in that the at least one spring element is formed in a formed in this page, bottom closed trough interchangeable by means of a releasable latching connection to the return element.

Durch die erfindungsgemäße Ausgestaltung der das Federelement tragenden Wand oder Seite des Rückstellelementes in Form einer Mulde ist es möglich, darin eingelassen und somit zumindest zum Teil versenkt, ein Federelement anzuordnen, das an der benachbarten und die Luftzuführungskammer begrenzenden Wand anliegt und die Pendelklappe in ihre Öffnungsstellung treibt. Auf diese Weise kann die Winkelstellung zwischen dem das Gegengewicht ausbildenden Rückstellelement und dem Verschlusselement gegenüber einer Ausführungsform gleicher Baugröße ohne Federelement beibehalten und damit der bei einer gegebenen Baugröße maximal mögliche, durch den Fensterfalzlüfter führbare Luftvolumenstrom unverändert beibehalten werden. Außerdem kann sich das Rückstellelement eng an die begrenzende Wand der Lüftungskammer anlegen. Insbesondere ist es dank des Federelementes möglich, den Fensterfalzlüfter senkrecht in den senkrecht verlaufenden seitlichen Fensterfalzbereichen eines Fensters oder einer Türe einzubauen. Ohne Federelement würde das Rückstellelement in dieser Position keine Wirkung entfalten.Due to the inventive design of the spring element-bearing wall or side of the return element in the form of a trough, it is possible, embedded therein and thus at least partially recessed, to arrange a spring element, which bounding to the adjacent and the air supply chamber Wall rests and drives the pendulum flap in its open position. In this way, the angular position between the counterweight forming the restoring element and the closure element with respect to an embodiment of the same size without spring element maintained and thus the maximum possible for a given size, feasible through the Fensterfalzlüfter air volume flow can be maintained unchanged. In addition, the return element can be tight against the limiting wall of the ventilation chamber. In particular, it is possible thanks to the spring element to install the Fensterfalzlüfter perpendicular to the vertical lateral Fensterfalzbereichen a window or door. Without a spring element, the restoring element would have no effect in this position.

Da das Federelement einem Verschleiß unterworfen ist, aber auch, um das Federelement und die Pendelklappe fertigungstechnisch als separate Bauteile fertigen zu können, ist das mindestens eine Federelement auswechselbar an dem Rückstellelement befestigt. Dadurch ist es möglich, das Federelement auszuwechseln, dieses aber auch im Produktionsprozess nach Herstellung der Pendelklappe an dieser zu befestigen. Ebenso ist es möglich zu entscheiden, ob ein Fensterfalzlüfter ein Federelement aufweisen soll oder nicht. Hierdurch wird nur ein Grundkörper des Volumenstrombegrenzers benötigt, der dann flexibel mit einem Federelement ausgestattet werden kann.Since the spring element is subject to wear, but also to manufacture the spring element and the pendulum flap manufacturing technology as separate components, the at least one spring element is replaceable attached to the return element. This makes it possible to replace the spring element, but this also in the production process after production of the pendulum flap to attach to this. It is also possible to decide whether a Fensterfalzlüfter should have a spring element or not. As a result, only one body of the flow restrictor is needed, which can then be flexibly equipped with a spring element.

Eine besonders vorteilhafte Verbindungsmöglichkeit zwischen Federelement und Rückstellelement besteht weitgehend darin, dass das mindestens eine Federelement mittels einer lösbaren Rastverbindung an dem Rückstellelement befestigt ist.A particularly advantageous possibility of connection between spring element and restoring element consists largely in that the at least one spring element is fastened by means of a releasable latching connection to the return element.

Um das Federelement an unterschiedliche Umgebungsbedingungen, sowohl hinsichtlich seiner Beständigkeit, wie beispielsweise Korrosionsbeständigkeit, als auch hinsichtlich seiner Federkraftwirkung, anpassen zu können, sieht die Erfindung weiterhin vor, dass das mindestens eine Federelement aus Metall oder Kunststoff besteht.To the spring element to different environmental conditions, both in terms of its durability, such as Corrosion resistance, as well as in terms of its spring force effect to be able to adapt, the invention further provides that the at least one spring element made of metal or plastic.

Die Erfindung ist nachstehend anhand einer Zeichnung beispielhaft näher erläutert. Diese zeigt in

Fig. 1
in Aufsicht schematisch ein Fensterelement,
Fig. 2
eine Aufsicht auf einen erfindungsgemäßen Fensterfalzlüfter,
Fig. 3
in schematischer Darstellung einen Längsschnitt durch eine Pendelklappe,
Fig. 4
eine Seitenansicht der Pendelklappe gemäß Fig. 3 von der schmalen Kopfseite her betrachtet,
Fig. 5
in schematischer Schnittdarstellung die Anordnung eines Fensterfalzlüfters in einem Fensterfalz mit einer Pendelklappe in Öffnungsposition und in
Fig. 6
die Darstellung entsprechend Fig. 6 mit der Pendelklappe in ihrer Verschlussstellung oder -position.
The invention is explained in more detail below by way of example with reference to a drawing. This shows in
Fig. 1
schematically a window element in plan view,
Fig. 2
a plan view of a Fensterfalzlüfter invention,
Fig. 3
in a schematic representation of a longitudinal section through a pendulum flap,
Fig. 4
a side view of the pendulum flap according to Fig. 3 viewed from the narrow side of the head,
Fig. 5
in a schematic sectional view of the arrangement of a Fensterfalzlüfters in a Fensterfalz with a pendulum flap in the opening position and in
Fig. 6
the presentation accordingly Fig. 6 with the pendulum flap in its closed position or position.

Die Fig. 1 zeigt in schematischer Darstellung die Ansicht auf ein Fensterelement von der Innenseite eines Innenraumes her. Das Fensterelement ist mit seinem Blendrahmen 1 und dem darin verschwenkbar angeordneten Fensterflügel 2 dargestellt. Die den Fensterfalz 5 auf der gebäudeaußenseitigen Seite zwischen Blendrahmen 1 und Fensterflügel 2 abdichtende Dichtung ist im unteren Bereich des Fensters an zwei Positionen 3a, 3b entfernt, so dass dort wie durch die Pfeile 4 dargestellt, von der Außenseite Luft in den Fensterfalz 5 einströmen kann. In dem Fensterfalz 5 strömt die Luft dann wie in Fig. 1 durch Pfeile dargestellt zu einem Fensterfalzlüfter 6, aus welchem die Luft dann in Richtung der Pfeile 7 in den mit dem Fensterelement versehenen Innenraum einströmt. Ebenso ist es möglich, dass in umgekehrter Richtung auch Luft aus dem Innenraum auf die Gebäudeaußenseite gelangt.The Fig. 1 shows a schematic representation of the view of a window element from the inside of an interior ago. The window element is shown with its frame 1 and the window wing 2 arranged pivotally therein. The sealing the window seam 5 on the building exterior side between the window frame 1 and sash 2 seal is in the lower part of the window at two positions 3a, 3b removed, so that there as shown by the arrows 4, from the outside air can flow into the window seam 5. In the window rebate 5, the air then flows as in Fig. 1 represented by arrows to a Fensterfalzlüfter 6, from which the air then flows in the direction of the arrows 7 in the space provided with the window element interior. It is also possible that in the reverse direction and air from the interior reaches the building exterior.

Der Fensterfalzlüfter 6 ist in der auch aus den Fig. 5 und 6 ersichtlichen Position im oberen, quer verlaufenden Fensterfalzbereich des Fensterelementes angeordnet. Er umfasst eine Luftführungskammer 8 in der ein Volumenstrombegrenzer 9 in Form einer um eine Achse 10 schwenkbeweglich gelagerten Klappe angeordnet ist. Diese Klappe umfasst ein leicht gewölbt ausgebildetes Verschlusselement 11 und ein dazu ein Gegenwicht ausbildendes Rückstellelement 12. Wie aus den Fig. 5 und 6 ersichtlich ist, schlägt das Verschlusselement 11 in der in Fig. 6 dargestellten Verschlussposition des Volumenstrombegrenzers 9 mit seinem unteren, der Achse 10 gegenüberliegenden Längsrand an einen Wandabschnitt der Luftführungskammer 8 an, so dass eine in der Lufteintrittskammer 8 vorhandene Lufteintrittsöffnung durch das vollflächig und durchgehend profilierte, und somit eine undurchströmbare Oberfläche ausbildende Verschlusselement 11 verschlossen ist. In dieser Verschlussposition liegt das Rückstellelement 12 an einer die Luftführungskammer 8 begrenzenden Wand 13 an. In der in Fig. 5 dargestellten Öffnungsposition des Volumenstrombegrenzers 9 oder des Fensterfalzlüfters 6 liegt das ebenfalls eine undurchströmbare Oberfläche ausbildende Rückstellelement 12, das aber nicht den gesamten Strömungsquerschnitt verschließt, mit einem Teilbereich auf einer bodenseitigen Wand der Luftführungskammer 8 auf, so dass dadurch eine spaltförmige Öffnung 14 ausgebildet ist, durch welche hindurch Luft in die Luftführungskammer 8 eintreten, aber in entgegengesetzter Richtung auch aus dieser ausströmen kann. Auf seiner der die Luftführungskammer 8 begrenzenden Wand 13 zugewandten Seite ist das Rückstellelement 12 mit einem Federelement 15 versehen, das luftführungskammerinnenseitig an der Wand 13 sowohl in der Öffnungsposition als auch in der Verschlussposition der Klappe oder des Volumenstrombegrenzers 9 anliegt. Das Federelement 15 ist in einer in der Oberseite oder Oberfläche der der Wand 13 zugewandten Seite des Rückstellelementes 12 ausgebildeten Mulde 16 angeordnet. Die Mulde 16 ist dabei derart dimensioniert, dass das Federelement 15 in der in Fig. 6 dargestellten Verschlussposition der Klappe vollständig in die Mulde 16 eintaucht und somit im Wesentlichen keine über diese Oberseite des Rückstellelementes überstehenden Bereiche aufweist, so dass der Verschwenkbereich des Volumenstrombegrenzers 9 zwischen der die spaltförmige Öffnung 14 vollständig öffnenden Öffnungsposition gemäß Fig. 5 und der diese spaltförmige Öffnung 14 verschließenden Verschlussposition gemäß Fig. 6 um denselben Winkel und Weg verschwenkbar bleibt, wie ein größengleich, aber ohne Federelement 15 ausgebildeter Fensterfalzlüfter.The Fensterfalzlüfter 6 is in the also from the FIGS. 5 and 6 apparent position in the upper, transverse Fensterfalzbereich the window element arranged. It comprises an air-guiding chamber 8 in which a volume flow limiter 9 in the form of a flap pivotably mounted about an axis 10 is arranged. This flap comprises a slightly curved designed closure element 11 and a counterweight forming return element 12. As from the FIGS. 5 and 6 it can be seen, the closure element 11 in the in Fig. 6 illustrated closure position of the Volumenstrombegrenzers 9 with its lower, the axis 10 opposite longitudinal edge of a wall portion of the air guide chamber 8, so that an existing in the air inlet chamber 8 air inlet opening is closed by the full surface and continuously profiled, and thus an immustable surface forming closure element 11. In this closed position, the restoring element 12 bears against a wall 13 bounding the air-guiding chamber 8. In the in Fig. 5 shown opening position of the flow restrictor 9 or the Fensterfalzlüfters 6 is also an impenetrable surface forming return element 12, but not the entire flow cross-section, with a portion on a bottom wall of the air guide chamber 8, so that thereby a gap-shaped opening 14 is formed by which enter air in the air guide chamber 8, but in opposite Direction can also emanate from this. On its side facing the air duct 8 wall 13 facing the restoring element 12 is provided with a spring element 15, the air guide chamber inside the wall 13 in both the open position and in the closed position of the flap or the Volumenstrombegrenzers 9 abuts. The spring element 15 is arranged in a recess 16 formed in the top or surface of the wall 13 of the return element 12. The trough 16 is dimensioned such that the spring element 15 in the in Fig. 6 shown closure position of the flap completely immersed in the trough 16 and thus has substantially no over this top of the return element protruding areas, so that the pivoting region of the Volumenstrombegrenzers 9 between the gap-shaped opening 14 completely opening opening position Fig. 5 and the gap-shaped opening 14 occluding closure position according to Fig. 6 remains pivotable about the same angle and way, as a same size, but without spring element 15 trained Fensterfalzlüfter.

Die Mulde 16 ist bodenseitig, d.h. auf ihrer dem Verschlusselement 11 zugewandten Seite verschlossen. Hierbei kann eine darin zunächst vorgesehene Rastöffnung 17 mit einem Rastfuß 18 des Federelementes 15 zur Ausbildung einer lösbaren Rastverbindung verschlossen sein. Das Federelement 15 ist dadurch auswechselbar in der Mulde 16 oder an dem Rückstellelement 12 befestigt. Das Federelement 15 hat die Form eines biegeelastisch vorgespannten Stabes oder zungenartigen Elementes und besteht vorzugsweise aus Kunststoff, kann aber auch aus Metall bestehen.The trough 16 is bottom-side, i. closed on its side facing the closure element 11 side. Here, a first provided therein latching opening 17 may be closed with a locking foot 18 of the spring element 15 to form a releasable latching connection. The spring element 15 is thereby replaceably mounted in the trough 16 or on the return element 12. The spring element 15 has the shape of a bending elastic biased rod or tongue-like element and is preferably made of plastic, but may also be made of metal.

Das Federelement 15 treibt und zwingt den Volumenstrombegrenzer 9 in die in Fig. 5 dargestellte Öffnungsstellung, wobei der Federkraft ein von außen nach innen entgegenströmender Luftstrom entgegenwirkt. Ist kein Luftstrom oder ein von innen nach außen strömender Luftstrom vorhanden, zwingt die Federkraft des Federelementes 15 den Volumenstrombegrenzer in die in Fig. 5 dargestellte Öffnungsposition. Andererseits wirkt das Federelement 15 bei ausreichend hohem, in die Luftführkammer 8 von der Gebäudeaußenseite eintretendem Luftvolumenstrom als Dämpfer oder Dämpfelement, das ein allzu heftiges und plötzliches Verschwenken des Volumenstrombegrenzers 9 in die in Fig. 6 dargestellte Verschlussposition verhindert.The spring element 15 drives and forces the flow restrictor 9 in the in Fig. 5 illustrated Opening position, wherein the spring force counteracts a flowing from outside to inside airflow. If there is no air flow or an air flow flowing from the inside to the outside, the spring force of the spring element 15 forces the volume flow limiter into the air flow limiter Fig. 5 illustrated opening position. On the other hand, the spring element 15 acts at sufficiently high, in the air guide chamber 8 from the outside of the building entering air volume flow as a damper or damping element, the all too violent and sudden pivoting of the flow restrictor 9 in the in Fig. 6 shown closure position prevents.

Aufgrund des Federelementes 15, das den Volumenstrombegrenzer 9 in seine Öffnungsstellung treibt, ist es möglich, den Fensterfalzlüfter 6 - anders als im Ausführungsbeispiel, in welcher er in einer waagerechten Position angeordnet ist - auch in einer senkrechten Position und damit in den senkrecht verlaufenden Abschnitten eines Fensterfalzes 5 anzuordnen. Damit kann der Fensterfalzlüfter 6 im Prinzip an jeder gewünschten Position des zwischen Blendrahmen 1 und Fensterflügel 2 umlaufenden Fensterfalzes angeordnet werden. Auch wenn das Ausführungsbeispiel sich auf ein Fenster bezieht, so ist der Fensterfalzlüfter genauso zwischen einem Türrahmen und einem Türblatt oder einem Türflügel umlaufend ausgebildeten Falz anzuordnen.Due to the spring element 15, which drives the flow restrictor 9 in its open position, it is possible, the Fensterfalzlüfter 6 - unlike the embodiment in which it is arranged in a horizontal position - in a vertical position and thus in the vertical sections of a Window fold 5 to order. Thus, the Fensterfalzlüfter 6 can be arranged in principle at any desired position of the between window frame 1 and window sash 2 encircling Fensterfalzes. Although the embodiment relates to a window, so the Fensterfalzlüfter is equally between a door frame and a door leaf or a door wing circumferentially formed fold to be arranged.

Claims (2)

  1. Window rebate ventilator comprising at least one airflow chamber (8) in which a volumetric flow rate limiting device (9) is arranged in the form of at least one flap which is pivotably mounted in the airflow chamber (8) and comprises a locking element (11) and a restoring element (12) which forms a counterweight thereto, said restoring element (12) and locking element (11) forming impervious surfaces and said restoring element (12) comprising on its side facing a wall (13) delimiting the airflow chamber (8) at least one spring element (15) which interacts with the wall (13) and drives the flap into its open position, characterised in that, in a replaceable manner by means of a removable snap-on connection, the at least one spring element (15) is fixed to the restoring element (12) in a cavity (16) formed in this side and closed on the underside.
  2. Window rebate ventilator according to claim 1, characterised in that the at least one spring element (15) is composed of metal or plastics material.
EP10156980.4A 2009-03-19 2010-03-19 Foldable window ventilator with dampening spring Active EP2236724B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10156980T PL2236724T3 (en) 2009-03-19 2010-03-19 Foldable window ventilator with dampening spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009013474A DE102009013474B4 (en) 2009-03-19 2009-03-19 Window rebate fan with damping spring

Publications (3)

Publication Number Publication Date
EP2236724A2 EP2236724A2 (en) 2010-10-06
EP2236724A3 EP2236724A3 (en) 2012-12-26
EP2236724B1 true EP2236724B1 (en) 2013-09-18

Family

ID=42237422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10156980.4A Active EP2236724B1 (en) 2009-03-19 2010-03-19 Foldable window ventilator with dampening spring

Country Status (3)

Country Link
EP (1) EP2236724B1 (en)
DE (1) DE102009013474B4 (en)
PL (1) PL2236724T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013100985A1 (en) * 2013-01-25 2014-07-31 REGEL-air Becks GmbH & Co. KG window fans
DE202021104016U1 (en) * 2021-07-28 2021-09-13 Siegenia-Aubi Kg Ventilation device for a window or a door

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19929133C2 (en) * 1998-06-25 2001-06-28 Christel Becks Plastic window made of sash and frame
DE29818312U1 (en) * 1998-10-13 1999-01-07 Pohl, Benedikt, 26871 Papenburg Window element
DE102004012644A1 (en) * 2004-03-12 2005-09-29 Profine Gmbh Air flow restriction device for a forced ventilation window
DE502005008076D1 (en) * 2005-01-13 2009-10-15 Siegenia Aubi Kg VENTILATION DEVICE
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

Also Published As

Publication number Publication date
DE102009013474B4 (en) 2011-05-12
EP2236724A2 (en) 2010-10-06
DE102009013474A1 (en) 2010-09-23
PL2236724T3 (en) 2014-02-28
EP2236724A3 (en) 2012-12-26

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