EP0093364B1 - Sound absorbing and heat insulating compound window with a ventilating device - Google Patents

Abstract

1. Sound-damping and heat-insulating composite window ; with a blind frame (11) ; and with a composite wing (12) consisting of at least one individually glazed subsidiary wing (17, 17a) ; the window being equipped with a sound-damping ventilating device which has angled air-channels communicating with the inner and outer faces of the window and with the space (24) between the window panes ; the communication taking place in a horizontal ventilating device (18a, 18b) comprising a longitudinal housing (60) with adjustable air-passages (31, 33) ; one of the ventilating devices (18a, 18b) being located in the lower portion (16A) and one in the upper portion (16B) of the main wing ; each ventilating device (18a, 18b) having a mobile core with at least two longitudinal rows of air-channels (41, 43) ; the two ventilating devices being connected together mechanically in such a way that when one of them is rotated, for the purpose of adjustment, the other rotates synchronously with it, characterized in that the main wing (16) of the composite window (12) has, in its lower wing (16A) and in its upper wing (16B), a channel-section member (60) approximately U-shaped in cross-section, the U being open to the space (24) between the two glass planes of the window ; the U containing the adjustable core (40) of the sound-damping ventilating device (18a or 18b) ; the core being sealed stripwise or area-wise over its entire length between the air-passages (31, 33) which communicate with the outer face (10a) and the inner face (10b) of the window ; the open mouth of the U of the channel-section member (60) being closed by a cover-strip (61) which also acts as bearing surface for the core (40) of each ventilating device (18a, 18b), the cover-strip (61) being inserted into place after the manufacture of the window ; the cover-strip (61) having air-passages (32) which communicate with the space (24) between the window panes, the air-passages (32) being located between strip-seals or area-seals (62b, 62c) for the core (40).

Description

The invention relates to a sound and heat insulating composite window according to the preamble of claim 1 and aims to further improve such composite windows with sound insulation ventilation.

In such a composite window according to the not previously published DE-A No. 3043783 by the applicant, each of the two ventilation units, which consists of a core or a rotatable roller and a surrounding jacket or housing, must on the lower wing and upper wing of the main wing through an end opening in the Corner area of the main wing can be inserted lengthways. This requires an additional manufacturing and processing effort, and it is also difficult to accommodate in the space between the provided reflector, blackout or the like, which can also be designed as snap blinds or blind inserts, in a simple and space-saving manner so that the blinds can be easily operated that two roller blinds arranged side by side in parallel in the space between the panes can be used both for additional thermal insulation and for the use of the different temperature influences acting on the outside and inside of the window to improve ventilation and heat recovery, and that the incidence of light when the blinds are open is impaired as little as possible .

A ventilation device with a rotary valve provided with air flow openings and an external profile equipped with air flow openings for windows, doors, facades or the like is already known (DE-OS No. 3000720), in which the rotary valves have labyrinthine ventilation channels with opposite stepped boundary surfaces which prevents direct airborne sound transmission and thus a corresponding sound insulation should be achieved. The stepped, opposite boundary surfaces of the ventilation ducts can be provided with sound-absorbing means in the form of a coating or a film, but the distance between the opposite, stepped boundary surfaces is so large that a straight-line sound passage is nevertheless possible between opposite gradations, so that the sound insulation is not in the desired mass is present.

The rotary valves of this ventilation device also have only two diametrically opposed air passages, namely an inlet air opening on one circumferential side of the rotary valve and an exhaust air opening on the opposite circumferential side, so that only an air passage from the outside of the window to the inside of the window or vice versa, but not to the space between the glazing of a composite window is possible. This ventilation device is therefore not to be installed in composite wing constructions of normal design. Although it has two side-by-side rotary valves that can be operated in the same direction and synchronously, such ventilation devices on windows and doors can only be installed below and above, without a common actuation of such lower and upper ventilation devices.

The invention has for its object to further simplify and improve the construction of such sound and heat insulating composite windows with sound insulation ventilation in their construction.

According to the invention, this object is essentially achieved by the characterizing part of claim 1: while particularly advantageous developments of the invention are characterized in claims 2 to 9.

The invention has the advantage that the core of each of the two ventilation units is mounted directly on the shaft profile which forms the lower wing part and the upper wing part of the main joint and is open towards the space between the panes and does not require an additional jacket or housing. During assembly, the core can be simply inserted from the open cross-sectional side into the shaft section that is U-shaped in cross-section and open to the space between the panes, which is then closed by a cover, which is also a counter-bearing for the core or for the rotatable roller forms each ventilation unit and has the air vents to the space between the panes.

In order to make the U-shaped shaft profiles forming the wing lower part and the upper wing part of the main wing as versatile as possible, a strip-shaped support bearing for the core can be retrofitted to the bottom of each shaft profile.

To further simplify the ventilation units, only two longitudinal rows of air ducts are arranged on the core of each ventilation unit at an angle of approximately 90 ° to 150 °, preferably approximately 120 ° to 130 °, to the longitudinal axis of the core, with the ventilation position that does not exist Outside of the window, the inside of the window and the space between the panes at the same time. However, this ventilation position has not proven to be necessary.

In a further improvement of the invention, which also contributes to a simpler manufacture of the core of the ventilation units, the core between the air ducts can have a meandering air slot which is continuous over its entire length and has several folds in cross-section, according to a further feature of the invention Side walls of the air slot between the side air channels do not run parallel to each other, but have different curvatures. In this way, the sound entering the core or the roller is diffracted several times by structurally particularly simple measures, with the sound waves being dispersed particularly well is ensured that the side walls of the louvre run through the different curvatures at alternating mutual distances from one another and are curved several times. The cross-sectional changes or swellings of the slot formed in this way also have a sound-reducing effect on the frequencies and the changing length of the passage, so that the intensity of the sound is reduced accordingly. The length of the sound path from the entrance to the exit is multiplied compared to the diameter of the core.

A further improvement of composite windows of this type also results if the two wing side pieces of the main wing also consist of the same U-shaped shaft profiles as the wing lower and wing upper pieces, which are open towards the pane space. It can then be arranged without constructive changes in the wing side pieces of the main wing horizontally extendable roller blind inserts, two parallel longitudinal guides for the roller blinds of the two roller blind inserts in which the can be provided on the cover for the wing upper and lower wing pieces on both sides of the row of air passages to the space between the panes Roller blinds can be moved horizontally past each other from the two opposite wing side pieces past each other to the closed position.

In addition to the simple operability of such horizontally extendable blinds, depending on whether a single blind or both blinds are pulled out at the same time, there is optimal additional heat or cold protection and a possibility of blackout.

The use of the shaft profiles also for the wing side pieces of the main wing results in the further advantage that, in order to avoid the turn-tilt position of window sashes, which is questionable in terms of ventilation technology, the air passages already present on the shaft profiles can be used as permanent ventilation, filter strips being arranged between the air passages in the wing side pieces could be. In addition, there is a particularly space-saving and easy-to-assemble arrangement of the chain or toothed belt drives provided for the joint adjustment of the upper and lower ventilation units in the shaft profiles between the air passages, the adjustment of the ventilation units being able to be designed in a particularly user-friendly manner by means of a slide that is adjustable relative to a scale.

Finally, according to a further feature of the invention, in addition to the inward-opening secondary wing, a second, outward-opening secondary wing can also be attached to the main wing, which results in various advantages:

In the event of wind pressure, the outer secondary wing is pressed into the seal on the main wing, thereby ensuring driving rain resistance and joint impermeability in a particularly simple manner. The side wing opening outwards also makes it easier to clean the glazing from the inside and outside and therefore allows completely new window combinations. For cleaning, the secondary sashes can be opened alternately with respect to the main sash, and “window glazing” of one of the two secondary sashes is also possible if there is access through the secondary sash on the opposite side of the window. In the case of combinations of window sashes, larger, fixed main sashes can be used because the outer side sashes can be opened outwards and folded over so that they can be cleaned from the neighboring window. Furthermore, “fixed-glazed” window parts that can be cleaned from the inside can be combined without restriction, which can also be economically interesting for the design of window walls and their use as solar collectors in conjunction with the sound insulation ventilation according to the invention. Otherwise, the composite window according to the invention with sound insulation ventilation offers the possibility of setting up the window sashes only for single glazing. The amount of glass on the window sashes can be reduced as a result, and ventilation of the glass rebate can be omitted, since so-called wet glazing can easily be provided for economic reasons. The necessary filtering of the outside and additionally the inside air, which is transported through the ventilation devices, has also been improved by using dry-film filters that can be washed out or used as a disposable filter with the secondary wings open on the outside and inside as a band on the main wing and in the event of contamination are functional again by simply shifting one ventilation hole width.

• Fig. 1 ein Verbundfenster mit Schalldämmlüftung von der Fensterinnenseite,
• Fig. 2 einen Schnitt durch das Verbundfenster gemäss Schnittlinie II - 11 von Fig. 1,
• Fig. 3 einen weiteren Schnitt durch das Verbundfenster gemäss Schnittlinie 111 - 111 von Fig. 1,
• Fig. 4 einen gegenüber Fig. 1 vergrösserten senkrechten Schnitt durch das Verbundfenster gemäss Schnittlinie IV- IV,
• Fig. 5 einen Fig. 4 entsprechenden Teilschnitt durch das Verbundfenster bei der Montage der Schalldämmlüftung, und
• Fig. 6 eine vergrösserte Darstellung des Ausschnittes VI von Fig. 3, während
• Fig. 7 bis 9 das Verbundfenster schematisch vereinfacht in drei verschiedenen Lüftungsstellungen zeigen.

Preferred embodiments of the invention are shown schematically in the drawing. Show it

• 1 is a composite window with sound insulation ventilation from the inside of the window,
• 2 shows a section through the composite window according to section line II-11 of FIG. 1,
• 3 shows a further section through the composite window according to section line 111-111 of FIG. 1,
• 4 is an enlarged vertical section through FIG. 1 through the composite window according to section line IV-IV,
• Fig. 5 is a Fig. 4 corresponding partial section through the composite window when installing the sound insulation, and
• Fig. 6 is an enlarged view of section VI of Fig. 3, while
• 7 to 9 show the composite window schematically simplified in three different ventilation positions.

The sound and heat insulating composite window 10 is formed with a frame 11 and a composite sash 12, which consists of two separately glazed window sashes. The compound window has a main wing 16 and two secondary wings 17, 17a, of which are attached to it which only the secondary wing 17 opens inwards, while the second secondary wing 17a can be opened to the outside of the window 10a. Both secondary wings 17, 17a can be provided with single glazing.

On the lower wing part 16A and on the upper wing part 16B of the main wing 16 there is a sound insulation ventilation 18a, 18b with an adjustable core 40 with angled air passages 31, 33 between the outside of the window 10a and the inside of the window 10b, the soundproofing ventilation each having an adjustable ventilation unit 18a, 18b is formed, which has meandering shaped air channels, which can be connected to the outside and inside of the window 10a, 1 Ob and to the window space 24. The main wing 16 has on its wing lower section 16A and on its wing upper section 16B a shaft profile 60 which is approximately U-shaped in cross section and is open to the space between the panes 24, on which the core 40 of each ventilation unit 18a, 18b at 62a over its entire length between the air passages 31 , 33 is mounted in a strip-like, sealed manner to the outside of the window 10a and to the inside of the window 10b.

Each of the two U-shaped shaft profiles 60 is closed on the lower wing section 16A and on the upper wing section 16B on its open cross-sectional side by a cover 61 which can be inserted later and which also forms a counter-bearing for the core 40 or for the rotatable roller of each ventilation unit 18a, 18b and which Has air passages 32 to the disc space 24, which are arranged between strip-shaped seals 62b, 62c with respect to the core.

At the bottom of each shaft profile 60, a strip-shaped support bearing 63 for the core 40 or for the rotatable roller of each ventilation unit 18a, 18b is retrofitted.

As can also be seen in FIG. 4, there are only two longitudinal rows of air channels 41, 43 at the core 40 of each ventilation unit 18a, 18b at an angle 40a of approximately 90 ° to approximately 150 °, preferably approximately 120 ° to 130 °, to the longitudinal axis 40b of the core 40 is arranged in such a way that a displacement or rotation of the core 40 of each ventilation unit 18a, 18b selectively brings the window outside 10a and the pane gap 24, the pane gap 24 and the window inside 10b or the window outside 10a and the window inside 10b into ventilation connection can, as shown in the illustrations of FIGS. 7 to 9 described below, using various ventilation positions. Depending on the position, the outside or inside air flowing through the ventilation units is cleaned from suspended matter by the band-shaped dry-film filter 52 arranged in a ring between the main wing 16 and each of the two secondary wings 17, 17a along the side air passages 31, 33.

The core 40 or the rotatable roller can moreover be produced in a particularly simple manner from an extrudable material, such as plastic or light metal, since the air channels 41, 43 on the core 40 are meandering through a continuous lengthwise transverse to the longitudinal extent of the core 40 shaped and cross-sectionally bent air slot 49 are connected. The row of air channels 41, 43 can be subsequently drilled from the outside into the inner air slot 49 of the core 40.

The side walls 49a, 49b of the air slot 49 do not otherwise run parallel to one another between the side air channels 41, 43, but have different curvatures and are differently curved from one another, so that the sound waves entering the air slot 49 are not uniformly from one of the adjacent slot walls 49a or 49b reflected to the opposite wall 49b or 49a, but deflected differently and refracted several times.

As can also be seen in the drawing, the two wing side pieces 16C, 16D of the main wing 16 also consist of the same U-shaped shaft profiles 60, which are open towards the window space 24 as the lower and upper wing pieces 16A, 16B, and in the two shaft profiles 60 two mutually opposite, horizontally extendable blind inserts 19A, 19B are arranged, the blind webs 19a, 19b of which are guided in two parallel longitudinal guides 19c on the horizontal covers 61 of the lower and upper wing parts 16A, 16B on both sides of the row of air passages 32 to the space between the panes 24 such that the two roller blinds 19a, 19b can be moved alternately in the horizontal direction past one another by the two opposite wing side pieces 16C, 16D until they close, as is shown in detail in FIG. 6 with the enlarged detail VI from FIG. 3.

The air passages 31, 33 on the U-shaped shaft profiles 60 of the wing side pieces 16C, 16D serve as permanent ventilation, and filter strips 64 are arranged between the air passages. In addition, the two trains or sections of the circulating chain or toothed belt drive 50 for the joint adjustment of the upper and lower ventilation units 18a, 18b are guided on the side main wing pieces 16C, 16D on both sides of the filter strip 64, the train or section lying to the inside of the window 10b over a slide 66 projecting through a slot guide on the inside of the relevant wing side piece 16C and adjustable relative to a scale 65 can be actuated in a simple manner.

Since in addition to the inward opening secondary wing 17 struck on the main wing 16, a second secondary wing 17a opening outward is also struck, glazing on the main wing 16 can be dispensed with. Single glazing 25, 26 in the two secondary wings 17, 17a are sufficient. Between the two glazings 25, 26 there is an approximately 8 cm wide air space, and due to the special design of the open ones From here, shaft profiles 60 are accessible to the ventilation chamber of approximately 40 mm in width and approximately 40 mm in depth with the core arranged therein or with the entire length of the rotatable roller. The static effectiveness of the profile walls is only fully achieved by the cover 61 serving as a closure piece.

7 to 9 show in detail how the heat incidence from the outside of the window 10a and / or from the inside of the window 10b can be used for ventilation.

In Fig. 7 the sound insulation ventilation is in the ventilation position "summer". In the lower ventilation unit 18a, the rotatable core 40 with its two air channels 41, 43 connects the air passages 33 on the inside of the window 10b with the air openings 32 to the window space 24, and the core 40 of the upper ventilation unit 18b is in a position in which it Inter-pane space 24 connects to the window outside 10a. The roller blind 19b of the roller blind insert 19B, that is to say that the roller blind located near the inner glazing 26 is pulled out and absorbs through its special coating the solar radiation incident through the outer glazing 25 in such a way that it is converted into heat radiation in the middle infrared range and because there is glass in it Radiation area is impermeable to heat radiation, is not released again to the outside. The result is a so-called greenhouse effect, by means of which the air in the inter-pane space 24 is heated up more and an additional buoyancy is generated, which ensures appropriate ventilation on the inside of the window 10b. At the same time, the extended roller blind 19b, which has a special coating reflecting heat radiation on the side facing the interior, in conjunction with the inner glazing 26 constitutes thermal insulation similar to an inner insulating glazing. The used room air is thus extracted from the room to be ventilated through the soundproofing ventilation, and, in addition, the extended blind sheet 19b prevents heating of the inside of the window 10b by the warm air present on the outside of the window 10a.

8 shows a ventilation position “winter” in which the lower ventilation unit 18a connects the window outer side 10a to the window space 24 and the upper ventilation unit 18b connects the window space 24 to the window inner side 1 Ob. Here, too, the roller blind 19b located next to the inner glazing 26 is extended, so that winter sunlight from the outside of the window can be used in the manner just described for the supply of fresh air to the inside of the window 10b. There is a so-called sun trap. In addition, the blind sheet 19b in connection with the inner glazing 26 also serves as thermal insulation similar to an inner insulating glazing and prevents the transfer of room heat and thus the loss to the outside of the window.

9, too, the sound insulation is in the ventilation position of FIG. 8, however, not the inner blind sheet, but rather the blind sheet 19a of the blind insert 19A which is closer to the outer glazing 25 and which has a coating reflecting heat radiation on both sides .

In this case, thermal insulation in the manner of insulating glazing is achieved towards the outside of the window 10a, while the transmission heat entering from the inside of the window 26 through the inner glazing 26 into the space 24 between the panes hits the inside of the blind sheet 19a, reflects there, and partly in the form of heat recovery for the person Buoyancy of the supplied fresh air in the intermediate space 24 is made available.

By appropriately adjusting the two ventilation units 18a, 18b of the sound insulation ventilation and by optionally pulling out the roller blinds 19a, 19b of the two roller blind inserts 19A, 19B, numerous other ventilation positions are possible while avoiding condensation on the glazing, both with heat recovery and with thermal insulation to prevent heat transfer or the transition from cold to the inside of the window or vice versa.

Claims (9)

1. Sound-damping and heat-insulating composite window; with a blind frame (11); and with a composite wing (12) consisting of at least one individually glazed subsidiary wing (17, 17a); the window being equipped with a sound-damping ventilating device which has angled air-channels communicating with the inner and outer faces of the window and with the space (24) between the window panes; the communication taking place in a horizontal ventilating device (18a, 18b) comprising a longitudinal housing (60) with adjustable air-passages (31, 33); one of the ventilating devices (18a, 18b) being located in the lower portion (16A) and one in the upper portion (16B) of the main wing; each ventilating device (18a, 18b) having a mobile core with at least two longitudinal rows of air-channels (41, 43); the two ventilating devices being connected together mechanically in such a way that when one of them is rotated, for the purpose of adjustment, the other rotates synchronously with it, characterized in that the main wing (16) of the composite window (12) has, in its lower wing (16A) and in its upper wing (16B), a channel-section member (60) approximately U-shaped in cross-section, the U being open to the space (24) between the two glass panes of the window; the U containing the adjustable core (40) of the sound-damping ventilating device (18a or 18b); the core being sealed stripwise or area-wise over its entire length between the air-passages (31, 33) which communicate with the outer face (10a) and the inner face (10b) of the window; the open mouth of the U of the channel-section member (60) being closed by a cover-strip (61 ) which also acts as bearing surface for the core (40) of each ventilating device (18a, 18b), the cover-strip (61) being inserted into place after the manufacture of the window; the cover-strip (61) having air-passages (32) which communicate with the space (24) between the window panes, the air-passages (32) being located between strip-seals or area-seals (62b, 62c) for the core (40).

2. Sound-damping and heat-insulating window as claimed in Claim 1, characterized in that onto the floor of the U of each channel-section member (60) there is inserted, after the window has been manufactured, a supporting strip (63) to act as a bearing for the core (40).

3. Sound-damping and heat-insulating window as claimed in Claim 1 or 2, characterized in that the core (40) of each ventilating device (18a, 18b) has only two longitudinal rows of air-channels (41, 43), making an angle (40a) of approximately 90° to 150°, preferably approximately 120° to 130° between them, centred on the longitudinal axis (40b) of the core (40).

4. Sound-damping and heat-insulating window as claimed in Claims 1 to 3, characterized in that between the air-channels (41, 43) the core (40) has, extending over its entire length, a continuous meandering slot for the passage of air, the slot having several cross-sectional kinks.

5. Sound-damping and heat-insulating window as claimed in Claim 4, characterized in that the side-walls (49a, 49b) of the air-slot (49) do not run parallel to each other between the lateral air-channels (41, 43), but have different curvatures.

6. Sound-damping and heat-insulating window as claimed in one of the Claims 1 to 5, characterized in that the two side-wing portrons (16C, 16D) of the main wing (16) consist of the same channel-section members (60), whose U-shaped cross section is open towards the space (24) between the glass panes, as the lower and upper wings (16A, 16B).

7. Sound-damping and heat-insulating window as claimed in Claim 6, characterized in that the side-wing portions (16C, 16D) of the main wing (16) contain roller-blind spools (19A, 19B) for horizontally extending roller blinds; the cover- strips (61 ) for the lower and upper wings (16A, 16B) each having two parallel longitudinal guides (19c), one on each side of the row of air-passages communicating with the space (24) between the glass panes, the guides (19c) serving for guiding the roller blinds (19a, 19b) of the two roller-blind spools (19A, 19B); so that the roller blinds (19a, 19b) can be drawn horizontally in opposite directions across the window from the two side-wing portions (16C, 16D), as far as the closed position.

8. Sound-damping and heat-insulating window as claimed in one of the Claims 1 to 7, with an inwards opening subsidiary wing rebated onto the main wing, characterized in that a further outwards opening subsidiary wing (17a) is rebated onto the main wing (16).

9. Sound-damping and heat-insulating window as claimed in one of the Claims 1 to 8, characterized in that strip-like dry-layer filters (52) are mounted in annular fashion along the lateral air-passages (31, 33) between the main wing (16) and each of the subsidiary wings (17, 17a).

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