EP1727957B1 - Luftstrombegrenzungs-vorrichtung für ein zwangsbelüftetes fenster - Google Patents

Luftstrombegrenzungs-vorrichtung für ein zwangsbelüftetes fenster Download PDF

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Publication number
EP1727957B1
EP1727957B1 EP05716951A EP05716951A EP1727957B1 EP 1727957 B1 EP1727957 B1 EP 1727957B1 EP 05716951 A EP05716951 A EP 05716951A EP 05716951 A EP05716951 A EP 05716951A EP 1727957 B1 EP1727957 B1 EP 1727957B1
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EP
European Patent Office
Prior art keywords
ventilation flap
limiting device
ventilation
closing
window
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP05716951A
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German (de)
English (en)
French (fr)
Other versions
EP1727957A1 (de
Inventor
Reinhard Herzog
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Profine GmbH
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Profine GmbH
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Publication date
Application filed by Profine GmbH filed Critical Profine GmbH
Publication of EP1727957A1 publication Critical patent/EP1727957A1/de
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Publication of EP1727957B1 publication Critical patent/EP1727957B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B7/10—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses by special construction of the frame members

Definitions

  • the invention relates to a device for limiting the air flow of a forced-ventilated window.
  • the DE 199 29 133 C2 relates to a wing and frame plastic window having a window fold between an outer frame 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 fold. It is in the Novafalz provided at least one folding fan, which has an air guide chamber and a flow restrictor.
  • the aforementioned air flow restriction device for a forced ventilation window generate an unpleasant impact sound every time the ventilation door is closed, which considerably reduces the comfort of such a device.
  • 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 further has a second sealing lip, which is elastically, 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 opposite the inside of the window, the air passage openings at least partially closed become.
  • Object of the present invention is therefore to provide a device for limiting the air flow of a forced ventilation window available, which can be produced with little effort, precisely even at low pressure differences the ventilation throttles and a stop or rattling noise is at least largely suppressed.
  • the invention solves this problem by an airflow limiting device for a forced ventilation window according to claim 1.
  • an air flow limiting device for a forced-ventilated window is used with a pivotally mounted about a rotation axis ventilation flap, which can assume a first, a ventilation path releasing basic position and a second, closing the ventilation path position, wherein a spaced from the axis of rotation stop edge of the ventilation flap on a Stop surface comes sealingly to the system, wherein the air flow limiting device comprises a spring or soft elastic, spaced from the stop surface damping element to which the ventilation flap strikes when closing the ventilation flap, wherein the damping element is subjected to bending of the further closing of the ventilation flap and the Closing movement of the ventilation flap dampens.
  • a forced ventilated window for the use of an airflow limiting device preferably has a known to those skilled in the art, composed of window frames profile frame and a corresponding, formed from sash profiles wing frame.
  • 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 is used when using the frame as a fixed glazing - ie without wings - for recording the glass strip that holds the fixed glazing. When using the frame together with a wing, so without fixed glazing, this receiving groove is normally used only for receiving closing parts.
  • this receiving groove for attachment of the air flow limiting device.
  • the forced-ventilated window typically 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.
  • the device according to the invention for limiting the air flow is provided, wherein this air flow limiting device preferably has a base body and a ventilation flap mounted in a swinging manner in the base body.
  • 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 axis of rotation about which this ventilation flap can oscillate extends according to a particularly preferred embodiment of the invention within the receiving groove for receiving a glass strip.
  • the device for limiting the airflow is arranged in the rebate area of the closed window such that the air flowing from the window outer side to the room side is guided past the ventilation flap.
  • the ventilation flap which is preferably held only by its gravity in the rest position, is pivoted out of the rest position and initially strikes against the spring-elastic or soft-elastic damping element according to the invention. before the ventilation flap is completely closed.
  • the spring or soft elastic damping element Upon further closing of the ventilation flap, the spring or soft elastic damping element is subjected to bending and dampens the further closing movement of the closure device before it abuts against a stop surface, whereby the further air supply is throttled or preferably at least 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 preferably has a straight, symmetrical cross-sectional shape without counterweights, etc.
  • the base body has a stop surface on which the pendulum-mounted ventilation flap rests sealingly 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 production is then preferably carried out in the two-component injection molding process known to those skilled in the art.
  • the spring-loaded or soft-elastic damping element used according to the invention consists of a particularly cylindrical, pin-shaped, soft-elastic material which absorbs only very small forces when subjected to bending stress.
  • the cross-sectional area is preferably 0.5 to 2.5 mm 2 , preferably 0.7 to 1.5 mm 2, the length 2 to 15 mm, preferably 3 to 8 mm, and the Shore hardness 25 to 70, in particular 30 to 60.
  • the damping element is preferably arranged so that the gap between the ventilation flap and the stop surface at the moment of the first contact of the ventilation flap with the damping element is about 0.3 to 1.2 mm, preferably 0.4 to 0.8 mm.
  • the invention uses according to a preferred embodiment of the invention, a special effect that can be observed when closing the ventilation flap: when a certain pressure difference between the outside of the room and the interior of the room is exceeded, the flap starts - driven by the air flowing past - with their automatic closing movement. If the ventilation flap exceeds a certain closing angle, it is in an unstable state, which leads to an accelerated further closing of the ventilation flap. After closing the ventilation flap, the pressure difference must initially drop slightly again until the ventilation flap then suddenly opens completely (hysteresis).
  • the inventively used spring or soft elastic damping element is set sufficiently soft, causes this hysteresis effect that the ventilation flap, even in air pressure differences that are in the range of critical air pressure difference when closing the vent, not in an intermediate position persists, but either largely opened or completely closed.
  • the spring characteristic of the spring-elastic or soft-elastic damping element can also be chosen so that the ventilation flap gradually closes after the first contact with the damping element only with increasing pressure difference. The flow cross section then becomes smaller with increasing pressure difference, so that the air volume flow passing through can be kept approximately constant over a larger pressure difference until the ventilation flap completely closes when a certain pressure difference is exceeded.
  • FIG. 1 illustrated forced ventilation window consists essentially of the frame 1, which is composed of frame profiles 2 made of hard PVC, the sash 3, the is composed of the sash profiles 4, and the air flow restriction device 10th
  • the air flow restriction device 10 is in the 6 and 7 shown in section. It consists essentially of the main body 11, which was made by injection molding of ABS, and the ventilation flap 12, which also consists of ABS.
  • the main body 11, in Fig. 3 shown in a perspective view, has on its upper side, the locking 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 21 which serves as a suspension with the rotation axis 15 in the base body 11.
  • the ventilation flap 12 is thus between a vertical basic position ( Fig. 1 ) and a "closed position" ( Fig. 2 and Fig. 7 ) versatile.
  • the flowing air moves the ventilation flap 12, held only by its gravitational force in a vertical position, until it stops against the stop nub 18 and then against the stop surface 16 of the main body 11 ( Fig. 3 ) and thus seals the ventilation path.
  • the stop knobs 18, in Fig. 5 shown enlarged, consists of an elastomer with a Shore A hardness of 40 and has a diameter of 1.2 mm and a free length of 4 mm. It is thus set so soft elastic that it is claimed upon impact of the ventilation flap 12 on bending ( Fig. 6, 7 ) until the flap 12 finally comes to the stop surface 16 sealingly to the plant.
  • the force with which the stop nubs 18 acts on the ventilation flap 12 is so small that the flap is initially in the closed position due to the air pressure difference between the window outer side 8 and the room side (FIG. Fig. 7 ) remains until the air pressure has fallen back a little. Nevertheless, the stop knob 18 dampens the closing movement of the ventilation flap 12 so far that rattling noises are reliably suppressed.
  • the base body 11 In order to seal the base body 11 relative to the casement 3 and to avoid an influx of air between the base body 11 and the stop chamber 6, the base body 11 has a seal 14 on three sides.
  • this seal 14 is integrally connected to the main body (two-shot injection molding). In the view from the room side 9, 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 seal 14 is made of the same material as the stop nub 18, namely a thermoplastic elastomer having a Shore hardness of 40.
  • the base body 11 of the air flow limiting device 10 on its side facing the space two spacers 19, which in turn have small nubs 20 of soft elastic material on the room side.
  • the stop chamber 6 of the sash comes to rest when closing the window, the spacers 19 on the one hand ensure a defined joint width between the frame 1 and sash 3 and on the other hand, the body 11, the necessary Has stiffness to form a straight stop surface 16 for the vent flap 12.
  • the axis of rotation 15 of the air flow restriction device 10 arranged so that they are in the installed state ( Fig. 1, Fig. 2 ) is still within the glass retaining strip receiving groove 5, that is above the lower edge of the glass retaining strip receiving groove 5.
  • the ventilation flap 12 When pivoting the ventilation flap 12 in the closed position ( Fig. 2 In this case, 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.
  • FIG. 1 and 2 show window with the dimensions 1.15 m by 1.40 m was equipped with two of the air flow limiting devices 10 in the upper horizontal rail and with respect to the air flow rate ("air loss") depending on the differential pressure between the window outside 8 and room side 9 measured.
  • the result is in Fig. 8 played.
  • Approximately at 20 Pa pressure difference, in Fig. 8 The geometry of the stop stop 18 together with its Shore hardness causes a further increase in the pressure difference, a gradual closing of the ventilation flap 12, so that the flow over a relatively wide Areas up to about 200 Pa almost constant at about 1 m 3 / h per m joint length remains.
  • the ventilation flap 12 is completely closed.
EP05716951A 2004-03-12 2005-03-08 Luftstrombegrenzungs-vorrichtung für ein zwangsbelüftetes fenster Active EP1727957B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410012644 DE102004012644A1 (de) 2004-03-12 2004-03-12 Luftstrombegrenzungs-Vorrichtung für ein zwangsbelüftetes Fenster
PCT/EP2005/051023 WO2005088058A1 (de) 2004-03-12 2005-03-08 Luftstrombegrenzungs-vorrichtung für ein zwangsbelüftetes fenster

Publications (2)

Publication Number Publication Date
EP1727957A1 EP1727957A1 (de) 2006-12-06
EP1727957B1 true EP1727957B1 (de) 2013-02-27

Family

ID=34895402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05716951A Active EP1727957B1 (de) 2004-03-12 2005-03-08 Luftstrombegrenzungs-vorrichtung für ein zwangsbelüftetes fenster

Country Status (4)

Country Link
EP (1) EP1727957B1 (ru)
DE (1) DE102004012644A1 (ru)
RU (1) RU2374415C2 (ru)
WO (1) WO2005088058A1 (ru)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008016714U1 (de) * 2008-12-18 2009-03-05 Siegenia-Aubi Kg Lüftungsvorrichtung für ein Fenster oder eine Tür
DE102009013474B4 (de) * 2009-03-19 2011-05-12 Enbema Becks Gbr (Vertreten Durch Christel Becks) Fensterfalzlüfter mit Dämpfungsfeder
RU183259U1 (ru) * 2017-10-17 2018-09-14 Сергей Борисович Лоншаков Оконный блок с устройством вентиляции
RU192882U1 (ru) * 2019-08-08 2019-10-04 Андрей Юрьевич Баннов Вентиляционный клапан приточной вентиляции

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0741226A2 (de) * 1995-05-05 1996-11-06 ALCO-Systeme GmbH Fenster od dgl.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19610428C2 (de) * 1996-03-16 2000-07-06 Huels Troisdorf Zwangsbelüftetes Fenster
DE19646842C2 (de) * 1996-11-13 2002-11-28 Fickenscher Gealan Werk Gmbh Fenster mit in der Beschlagnut des Flügelrahmens pendelnd gelagerter Lüftungsklappe
DE19929133C2 (de) * 1998-06-25 2001-06-28 Christel Becks Kunststofffenster aus Flügel und Blendrahmen
DE29818312U1 (de) * 1998-10-13 1999-01-07 Pohl Benedikt Fensterelement
EP1063384A3 (de) * 1999-06-21 2002-09-04 Siegenia-Frank Kg Lüftungsvorrichtung
DE20115414U1 (de) * 2001-09-18 2002-06-13 Becks Heinz Fensterfalzlüfter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0741226A2 (de) * 1995-05-05 1996-11-06 ALCO-Systeme GmbH Fenster od dgl.

Also Published As

Publication number Publication date
WO2005088058A1 (de) 2005-09-22
RU2374415C2 (ru) 2009-11-27
RU2006135930A (ru) 2008-04-20
DE102004012644A1 (de) 2005-09-29
EP1727957A1 (de) 2006-12-06

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