EP2998663A2 - Dispositif de fermeture pour un canal d'air et système de bâtiment correspondant - Google Patents

Dispositif de fermeture pour un canal d'air et système de bâtiment correspondant Download PDF

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Publication number
EP2998663A2
EP2998663A2 EP15173281.5A EP15173281A EP2998663A2 EP 2998663 A2 EP2998663 A2 EP 2998663A2 EP 15173281 A EP15173281 A EP 15173281A EP 2998663 A2 EP2998663 A2 EP 2998663A2
Authority
EP
European Patent Office
Prior art keywords
closure
channel
flaps
closed position
elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15173281.5A
Other languages
German (de)
English (en)
Other versions
EP2998663B1 (fr
EP2998663A3 (fr
Inventor
Hans-Joachim Naber
Lennart Simon Friebel
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.)
Naber Holding GmbH and Co KG
Original Assignee
Naber Holding GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Naber Holding GmbH and Co KG filed Critical Naber Holding GmbH and Co KG
Priority to SI201530153T priority Critical patent/SI2998663T1/en
Publication of EP2998663A2 publication Critical patent/EP2998663A2/fr
Publication of EP2998663A3 publication Critical patent/EP2998663A3/fr
Application granted granted Critical
Publication of EP2998663B1 publication Critical patent/EP2998663B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1486—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by bearings, pivots or hinges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F2007/0025—Ventilation using vent ports in a wall

Definitions

  • the invention relates to a closure arrangement for an air duct and a corresponding building arrangement.
  • the ventilation of buildings is often realized with the help of wall openings, in which optionally closable and openable wall boxes are used.
  • these wall boxes are closed by means of back pressure flaps, which automatically open during ventilation of the building due to the air flow occurring, or which can be moved by motor driven between a closed and an open position.
  • a generic ventilation flap is from the DE 20 2010 003 340 U1 known.
  • a wall box in which a closure lid between an open position and a closed position driven by a pressure difference between the air pressure inside and outside the building against a self-adjusting mechanism provided by a restoring force automatically opens and closes.
  • the known wall boxes often have the disadvantage that they represent a thermal bridge between the building interior and the building environment.
  • it is from the DE 20 2006 006 327 U1 known to use in a wall box a motor displaceable between a closed and open position shutter which has an insulating body which has an outer contour which substantially corresponds to the inner contour of a ventilation duct.
  • the adjusting mechanism is designed to displace the insulating body in a linear movement between the open and the closed position.
  • the closure system is thus formed comparatively complex and in particular does not allow the automatic opening of the closure due to an incipient air flow, as generated for example by hoods for the removal of fumes.
  • the closure arrangement according to the invention has a channel and at least two closure elements arranged therein, wherein the closure elements are pivotable between an open position in which they release a cross-section of the channel and a closed position in which they sealingly abut an inner circumference of the channel.
  • the closure elements are arranged spaced along the longitudinal axis of the channel and in an air flow direction through the channel by a distance, so that in the closed position between the closure elements, a fluid-sealed space is formed.
  • the closure arrangement according to the invention thus makes use of the significantly lower thermal conductivity of air compared to most solids.
  • the enclosed between each two adjacent closure elements air volume acts just like a thermal barrier.
  • the closure arrangement according to the invention is not restricted to a specific number of the closure elements used. Already two closure elements are sufficient to form the thermal barrier according to the invention in the form of a closed volume of air. Investigations have shown, however, that closure arrangements can be realized on the basis of the teaching according to the invention, which already have a heat transfer value of only about 1 W / (m 2 K) using three closure elements.
  • the closure elements each have two flaps which have along their circumference a hinge side whose length corresponds to an inner dimension of the channel, and otherwise have a sealing contour which is adapted to a contour of the inner circumference of the channel.
  • the flaps can be designed, for example, as one-sided hinged plastic flaps. If the channel is a round channel, can the flaps have substantially the shape of half a circular disc, wherein the straight side of the flap forms the hinge side.
  • the two flaps of each closure element are arranged adjacent to each other with their hinge sides. This allows the flaps in the open position to assume a position in which they are folded on one another and extend along the longitudinal axis of the channel or parallel to it. Alternatively, in the open position, the flaps may also extend at an angle to the longitudinal axis of the channel. Basically, the position of the flaps in the open position should be selected according to the fact that the flaps in the open position represent the lowest possible flow resistance. This in turn depends on the geometry of the flaps. In principle, the flaps in the open position are to be arranged in such a way that they have the smallest possible cross-section in relation to the air flow flowing in the direction of air flow.
  • the flaps have a dimension perpendicular to their respective hinge side, which is greater than the distance of the closure elements to each other, so that in the closed position in each case one of the flaps of a first closure element of the closure elements with one of the flaps of at least one further closure element of Closing elements overlap. It has been found that the volume of air trapped between the closure elements in the closed position of the closure arrangement in the longitudinal direction of the channel can only have a comparatively small dimension, which may for example also be smaller than the radius of a used circular channel.
  • the overlapping flap sections of the adjoining closure elements are to be arranged such that the closure arrangement forms as low a flow resistance as possible in the open position.
  • the flaps each have a step which extends spaced from the hinge side and parallel to the hinge side by the distance between the closure elements, so that the flaps lie in an overlapping region of the flaps and thus due their compact arrangement only have a very small cross section for the air flowing through the channel.
  • the flaps are arranged as close to each other as possible in the open position and to largely suppress rattling of the flaps due to turbulence in the open position, at least a first of the closure elements, for example their side facing the hinge side having a spoiler having a raised portion via a step, which is arranged in the open position flaps in the overlapping region at a distance from a flap of another of the closure elements, which is arranged downstream of the first closure element is, so that the overlapping flaps are pressed against each other via an output of the flap having the spoiler, when the closure elements are flowed in the open position of an air flow.
  • a first of the closure elements for example their side facing the hinge side having a spoiler having a raised portion via a step, which is arranged in the open position flaps in the overlapping region at a distance from a flap of another of the closure elements, which is arranged downstream of the first closure element is, so that the overlapping flaps are pressed against each other via an output of the flap having the spoiler
  • the flaps are designed as cavity profiles which have an enclosed gas volume.
  • the flaps themselves can for example be made of a plastic material, in particular of a plastic material with a low coefficient of thermal conductivity, for example by injection molding.
  • the adjoining hinge sides of the flaps of each closure element are interconnected via an airtight web, wherein the airtight web may comprise a spring-actuated return element which, in the open position of the flaps, provides a restoring moment in the closed position.
  • the restoring element can be designed, for example, in the form of an elastic rubber spring element, in which the hinge sides of the flaps are inserted at opposite longitudinal grooves. If the flaps are flown by an air flow, the flaps move under bias of the return spring element in the open position. If the air flow stops, the flaps are moved back into the closed position due to the restoring moment of the preloaded spring element.
  • the flaps have a curved contour with a convex outer side and a concave inner side. Especially if the flaps partially overlap adjacent closure elements in the open position, the above-described curved contour of the flaps has the advantage that the closure assembly forms only a low flow resistance.
  • the sealing contour comprises a compression seal, such as a rubber lip or a foam element, or a brush element, so that in the closed position between the inner circumference of the channel and the sealing contour, an impact gap is formed instead of an impact gap.
  • the channel has an inner contour with varying diameter in the channel longitudinal direction, wherein the inner contour has chamfers along which the flaps are guided during their movement from the open position to the closed position with compression of the compression seal.
  • the run-up slopes thus also have the function of forming a stop for the flaps in their movement between the open position and the closed position.
  • an adjusting drive on the movement of the closure elements between the open position and the closed position
  • this can be realized according to an embodiment of the invention such that the adjustment acts on the flaps of the rearmost in the air flow direction closure element, wherein the overlapping flaps with each other via coupling elements coupled together.
  • the adjusting drive can then be surrounded in the open position by the flaps of the rearmost element in the air flow direction, or be in the slipstream of the closure elements.
  • the adjustment is not only aerodynamically arranged, but also effectively protected from contamination, such as those contained in the vapors of a cooker hood.
  • the coupling elements as a coupling rod, a Coupling rod or a coupling thread are formed, or have such elements, which extends at an angle 0 ° ⁇ ⁇ ⁇ 90 ° to the longitudinal axis of the channel and is thus connected at a different distance to the hinge sides with the overlapping flaps.
  • an embodiment in which the closure arrangement is of modular design, in order to enable, at the discretion of the user and depending on a specific application situation, an efficient adaptability of the closure arrangement to the conditions encountered. It is provided that the channel is divided longitudinally into a plurality of channel sections which are releasably connected to each other, wherein in each of the channel sections of the closure elements is received. This embodiment makes it possible for any number of the channel sections with closure elements accommodated therein to be combined to form a closure arrangement according to the invention.
  • the closure arrangement according to the invention can in particular also be used for retrofitting in already existing exhaust air duct systems. It is often the case that an already found wall box in a wall breakthrough of a building wall has an air passage cross-section with a deviating from the standard geometry. For example, an inserted in the wall breakthrough channel due to its installation situation have rounding, which makes the installation of a closure assembly for standardized pipe cross-sectional geometries difficult.
  • the closure elements via an adjustment between the open position and the closed position are movable back and forth, wherein the adjustment Has at least one spring element which exerts a closing moment in the closed position on the closure elements.
  • the closing moment exerted by the spring element on the closure elements is degressive, increases in the direction of the closed position and is maximum in the closed position.
  • the flaps of the closure element have a coating, foliation, or coating to reduce the transmission of heat radiation, for example an aluminum foil coating.
  • the channel has on its inner circumference per closure element has a circumferential spoiler, the extends from a channel inside and forms a local channel cross-sectional constriction, wherein the closure elements in the closed position abut against a free end edge of the respective spoiler, which forms a stop.
  • this relates to a building arrangement with a building wall having a wall opening into which a wall box having an air passage cross-sectional geometry is inserted, wherein a closure arrangement of the type described above is inserted into the wall box.
  • the channel has an outer geometry, which differs from the Lucas miclassqueritessgeometrie.
  • a diameter compensation element for example a circumferential, elastic sealing element is arranged, which is designed to compensate for the deviation between the channel outer geometry and the Lucas miclassgeometrie.
  • the outer dimensions of the channel are slightly undersized, in which case the required, fluidly sealed closure between the channel and the wall box is ensured by means of the compensating element.
  • FIG. 1 shows in longitudinal cross section a simplest embodiment of the invention in a schematic representation.
  • the left-hand opening of the channel 1 in the illustration forms the air inflow side, and accordingly the right-hand opening in the illustration is the air outflow side of the channel 1.
  • the direction of air flow is indicated by the arrows R.
  • the in FIG. 1 shown channel 1 is a circular channel and thus the drawn longitudinal axis X and the axis of symmetry of the channel.
  • each closure element 2 has two opposing flaps 3, which are articulated via a hinge side extending perpendicular to the plane of the drawing.
  • the hinge sides are perpendicular to the longitudinal axis X, so that the hinge sides of the opposing flaps 3 of each closure element 2 coincide.
  • the hinges are provided in the form of an airtight web 9. This can for example be formed as a rubber-elastic component, in which the ends of the opposing flaps of each closure element 2 embedded are.
  • the elastic webs 9 are biased so that they act in the open position as a return spring element, which exerts a restoring moment in the direction of the closed position on the flaps 3.
  • closure element 2 engages an adjustment 10, with which the flaps 3 can be transferred against the bias of the webs 9 from the closed position to the open position.
  • Adjacent flaps of adjacent closure elements are operatively coupled to each other via coupling elements 11.
  • the flaps 3 are formed as hollow profiles and thus have over solid material flaps improved thermal insulation properties.
  • the flaps 3 are shaped so that they are in the in FIG. 2 illustrated open position of the closure assembly represent the lowest possible air resistance and shield the adjusting member 10 to avoid air vortices and its contamination. Due to the curved outer contour of the flaps 3, the closure assembly forms an outer geometry in the open position, which has a low air resistance.
  • the flaps 3 of the closure elements 2 are optimized in such a way that the closure arrangement in the open position, on the one hand, forms the least possible air resistance and, on the other hand, rattling of the flaps 3 is effectively suppressed due to turbulence on the closure arrangement.
  • the FIG. 3 it can be seen that the closure assembly 1 is divided into three similar segments, each comprising a channel portion in which one of the closure elements 2 is accommodated. The channel sections can be freely combined with each other in order to combine any number of closure elements 2 according to a specific application, if necessary.
  • FIG. 4 shows the closure elements 2 of the embodiment according to FIG. 3 in the open position.
  • the channel 1 is not shown.
  • the flaps 3 of the different closure arrangements overlap in the open position, wherein the flaps each have a step 6, which is formed at a distance from the hinge side 4 of the respective flap, which corresponds to the distance between the closure elements 2. This makes it possible for the flaps 3 to lie flat against one another in the overlapping region 7 of the flaps 3.
  • the flaps 3 of the closure elements 2 have on their side opposite the hinge side 4 each have a spoiler 8, which has a raised paragraph over a step, which is located in the open position flaps 3 in the overlap region 7 at a distance to the flap 3 of each next, downstream arranged closure element 2 is arranged.
  • the spoiler 8 produces an output, so that the flaps 3 are pressed against each other to avoid rattling and to bring the closure assembly 2 in a compact design as possible.
  • the FIG. 5 clearly shows that due to the stage 6, the closure elements 2 in the open position can take a very compact design in which they represent a low air resistance.
  • the channel 1 on its inner side an inner contour 12, with varying in the channel length X diameter.
  • the inner contour 12 has chamfers, along which the flaps are guided in their movement between the open position and the closed position under compression of a compression seal on the outer periphery of the flaps.
  • a spoiler 8 is formed on the inner circumference of the channel 1 per closure arrangement 2 and flap pair 3, extending from the inside of the channel 1 and extending circumferentially on the inside of the channel 1.
  • Each spoiler 8 has a free end edge or spoiler edge, which forms a stop for the flaps 3.
  • the flaps 3 are provided at their sealing edge, with which they rest in the closed position on the inside of the channel 1, with a fold to form a sealing ridge over which the flaps 3 sealingly abut against the inside of the channel 1.
  • the sealing bar has the task of increasing the sealing area between the flap 3 and the channel 1.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air-Flow Control Members (AREA)
  • Duct Arrangements (AREA)
EP15173281.5A 2014-09-12 2015-06-23 Dispositif de fermeture pour un canal d'air et système de bâtiment correspondant Active EP2998663B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201530153T SI2998663T1 (en) 2014-09-12 2015-06-23 Closure assembly for air duct and appropriate building structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014113210.6A DE102014113210A1 (de) 2014-09-12 2014-09-12 Verschlussanordnung für einen Luftkanal und eine entsprechende Gebäudeanordnung

Publications (3)

Publication Number Publication Date
EP2998663A2 true EP2998663A2 (fr) 2016-03-23
EP2998663A3 EP2998663A3 (fr) 2016-05-04
EP2998663B1 EP2998663B1 (fr) 2017-12-06

Family

ID=53793937

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15173281.5A Active EP2998663B1 (fr) 2014-09-12 2015-06-23 Dispositif de fermeture pour un canal d'air et système de bâtiment correspondant

Country Status (6)

Country Link
EP (1) EP2998663B1 (fr)
DE (1) DE102014113210A1 (fr)
DK (1) DK2998663T3 (fr)
ES (1) ES2655653T3 (fr)
NO (1) NO3132707T3 (fr)
SI (1) SI2998663T1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11363909B2 (en) 2020-04-15 2022-06-21 Air Products And Chemicals, Inc. Sensor device for providing control for a food processing system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015104520A1 (de) 2015-03-25 2016-09-29 Naber Holding Gmbh & Co. Kg Anordnung für die Volumenstromregulierung in einem Fluidkanal
DE102016220897A1 (de) 2016-10-25 2018-04-26 Wilhelm Bruckbauer Mauerkasten und Lüftungssystem mit einem Mauerkasten
DE102018205935A1 (de) 2018-04-18 2019-10-24 Wilhelm Bruckbauer Mauerkasten und Lüftungssystem mit einem Mauerkasten
DE102018215410A1 (de) 2018-09-11 2020-03-12 Wilhelm Bruckbauer Mauerkasten-System für ein Lüftungssystem
DE102022120007A1 (de) 2022-08-09 2024-02-15 Volkswagen Aktiengesellschaft Doppelklappenarmatur für einen Direct-Air-Capture-Reaktor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006006327U1 (de) 2006-04-19 2006-08-24 Berbel Ablufttechnik Gmbh Mauerkasten
DE102007040731A1 (de) 2006-11-11 2009-03-05 Naber Holding Gmbh & Co. Kg Mauerkasten
DE202010003340U1 (de) 2010-03-09 2010-07-29 Staubach, Manfred Lüftungsklappe mit Magnetverschluss

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1470262A (en) * 1921-09-16 1923-10-09 Henriksen Oscar Ventilator
FR1438716A (fr) * 1965-06-15 1966-05-13 Licentia Gmbh Chambre de sas
FR2770411B1 (fr) * 1997-10-30 2000-01-21 Strulik Sa Clapet pare-feu pour conduit d'aeration
DE202006004839U1 (de) * 2006-03-15 2006-06-29 Maico Elektroapparate-Fabrik Gmbh Rückschlagklappenvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006006327U1 (de) 2006-04-19 2006-08-24 Berbel Ablufttechnik Gmbh Mauerkasten
DE102007040731A1 (de) 2006-11-11 2009-03-05 Naber Holding Gmbh & Co. Kg Mauerkasten
DE202010003340U1 (de) 2010-03-09 2010-07-29 Staubach, Manfred Lüftungsklappe mit Magnetverschluss

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11363909B2 (en) 2020-04-15 2022-06-21 Air Products And Chemicals, Inc. Sensor device for providing control for a food processing system

Also Published As

Publication number Publication date
EP2998663B1 (fr) 2017-12-06
ES2655653T3 (es) 2018-02-21
NO3132707T3 (fr) 2018-03-24
SI2998663T1 (en) 2018-04-30
DK2998663T3 (en) 2018-01-15
DE102014113210A1 (de) 2016-03-17
EP2998663A3 (fr) 2016-05-04

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