EP2626644B1 - Composant d'aération comprenant un boîtier en forme de canal doté de parois de boîtier agencées de manière périphérique - Google Patents

Composant d'aération comprenant un boîtier en forme de canal doté de parois de boîtier agencées de manière périphérique Download PDF

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Publication number
EP2626644B1
EP2626644B1 EP12159323.0A EP12159323A EP2626644B1 EP 2626644 B1 EP2626644 B1 EP 2626644B1 EP 12159323 A EP12159323 A EP 12159323A EP 2626644 B1 EP2626644 B1 EP 2626644B1
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EP
European Patent Office
Prior art keywords
flow
sound
ventilation component
accordance
damping material
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
EP12159323.0A
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German (de)
English (en)
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EP2626644A1 (fr
Inventor
Thomas Wolters
Jochen Hampel
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.)
Gebrueder Trox GmbH
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Gebrueder Trox GmbH
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Priority to PL12159323T priority Critical patent/PL2626644T3/pl
Priority to EP12159323.0A priority patent/EP2626644B1/fr
Publication of EP2626644A1 publication Critical patent/EP2626644A1/fr
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Publication of EP2626644B1 publication Critical patent/EP2626644B1/fr
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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
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/664—Sound attenuation by means of sound absorbing material
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/242—Sound-absorbing material

Definitions

  • the invention relates to a ventilation component, comprising a channel-shaped housing with peripherally arranged housing walls, wherein in the housing at least one fan, in particular a centrifugal fan, and a fan seen in the flow direction upstream diaphragm are arranged, wherein the aperture an opening for the passage of the flowing medium Having the intake of the fan.
  • a centrifugal fan includes an impeller driven by a drive motor.
  • the impeller usually has a cover plate and a support disc, between which impeller blades are arranged.
  • the air is usually sucked parallel to the drive axis of the centrifugal fan and deflected by the rotation of the radial impeller by 90 ° and blown out radially.
  • the radial fans used in the present field do not have a housing disposed around the impeller.
  • the slotted silencer is mounted so that the distance between the diaphragm and the downstream side of the slotted silencer is at least half the diameter of the impeller.
  • this requires on the one hand a high housing length and on the other hand a higher sound power, which is not desirable.
  • the FR 2 505 416 describes a fan for the transport of dust-laden air, such. B. tunnel air.
  • US 2011/0002775 A1 is a fan for mounting in a false ceiling described.
  • the GB 2 362 926 A discloses a ventilation component having the features of the preamble of claim 1.
  • the object of the invention is to avoid the aforementioned disadvantages and to provide a ventilation component, which has a lower sound power.
  • the inventive design is the
  • the sound-deadening and / or sound-damping material may, for example, be an absorption material or another suitable material.
  • the housing preferably has a rectangular or square cross-section. The material may extend over the entire length or only over a portion of the diaphragm in the flow direction upstream housing walls.
  • the flow is accelerated before the orifice to the speed level in the region of the opening provided in the orifice (orifice flow). If, for example, the cross section of the flow channel decreases steadily in the flow direction, the flow in the flow channel is steadily accelerated. Thus, the fan can work more effectively, so that the efficiency of the fan is increased.
  • the sound insulation and / or sound damping material can be installed in a very little to no distance to the upstream side of the panel. In the latter case, the outflow side of the sound insulation and / or sound damping material is applied to the inflow side of the diaphragm. This reduces the sound power.
  • the ventilation component according to the invention comes with at least the same high sound attenuation and / or sound insulation to a lower pressure loss compared to known ventilation components.
  • At least one sound-damping and / or sound-damping material may have at least one inner surface delimiting the flow channel and an outer surface facing the inner side of the housing and / or the adjacent sound-deadening and / or sound-damping material, and the outer surface of this sound-deadening and / or sound-deadening material may be on the inner side of the housing and / or directly - or indirectly via another component, such as an intermediate wall - abut the adjacent sound insulation and / or sound damping material or forming a gap s from the inside of the housing and / or from the adjacent Schalldämm- and / or Soundproofing material or the other component to be spaced.
  • another component such as an intermediate wall - abut the adjacent sound insulation and / or sound damping material or forming a gap s from the inside of the housing and / or from the adjacent Schalldämm- and / or Soundproofing material or the other component to be spaced.
  • the downstream end of at least one sound-absorbing and / or sound-damping material is applied directly to the inflow side of the diaphragm or is spaced to form a gap a from the inflow side of the diaphragm.
  • the ventilation component has a particularly short housing length, so that the ventilation component according to the invention can also be used in small spaces.
  • the width of the gap a can be up to 40% of the material thickness of the element in the region of the downstream side, i. at the downstream end of the flow channel, amount.
  • the cross-section of at least one sound-damping and / or sound-damping material may be formed as a circumferentially one-piece element. Such an element is pushed into the housing through the free end of the housing.
  • the cross-section of at least one sound-damping and / or sound-damping material consists of at least two, preferably four, sub-elements.
  • the housing has, for example, a quadrangular cross-section, the individual elements can be bevelled on the edge side by 45 °. When inserted, the four sub-elements form a circumferential closed ring-like element.
  • two sub-elements can be used, which have the shape of an "L” or a "U".
  • adjacent elements can also butt against each other.
  • the width of the gap s may be approximately between 1/10 and 1/5 of the material thickness of an element in the region of the downstream side, i. at the downstream end of the flow channel, amount.
  • conventional scenes can be adapted to any housing size and / or to all conventional apertures.
  • a further improvement of the sound attenuation can be achieved by resonance effects.
  • the width of the gap s is preferably between 20 mm and 40 mm.
  • At least one element or at least one subelement may include absorption material in the region of the inner surface. But it is also quite possible that the element or the sub-element consists entirely of absorption material.
  • At least two opposite, between the flow channel forming inner surfaces may be aligned in parallel.
  • the cross-section of at least one flow channel decreases in the flow direction, in particular continuously.
  • the cross-section of at least one flow channel may be quadrangular at least in the region of the inflow side, preferably over the entire length between the inflow side and the outflow side.
  • the cross-section of at least one flow channel may be quadrangular at least in the area of the outflow side, preferably over the entire length between the inflow side and the outflow side.
  • the cross section of at least one flow channel changes from a quadrangular cross section in the region of the inflow side into a round cross section in the region of the outflow side.
  • a funnel-shaped inlet, in particular funnel-shaped in the flow direction, inlet nozzle is provided between the downstream side of the diaphragm and the fan.
  • the narrowest point of the cross-section of at least one flow channel in the region of the downstream side is not smaller than the inlet diameter of the inlet nozzle.
  • the narrowest point of the cross section of at least one flow channel in the region of the downstream side is not smaller than the diameter of the opening in the diaphragm.
  • the edge of the narrowest point of the cross section of at least one flow channel adjoins in the region of the downstream side directly to the edge of the opening in the aperture or the inlet diameter of the inlet nozzle and lies in particular on the edge of the opening.
  • the sound-deadening and / or sound-deadening material may have a round or bevelled transition (transitional area) to the inner surface on the inflow side in order to further reduce the pressure loss.
  • each side by side and / or superposed arrangements are each provided comprising a fan and sound insulation and / or sound damping material, each Schalldämm- and / or Schalldämpfungsmaterial circumferentially to form at least one, in particular central, flow channel is formed and wherein each sound insulation and / or sound damping material is provided in the upstream of the aperture in the flow direction of the housing walls.
  • Such a configuration can be arranged within an air-conditioning system so that a common inlet and a common outlet are provided.
  • the assemblies are disposed between the inlet and the outlet in the housing so that the air flowing into the housing is "split up" onto the various assemblies.
  • all fans can be assigned a common, consisting of sound insulation and / or sound damping material, circumferentially formed one-piece element.
  • the one-piece element has a plurality of flow channels.
  • each fan is assigned a separate from Schalldämm- and / or Schalldämpfungsmaterial existing circumferentially formed one-piece element.
  • intermediate wall Between two adjacent one-piece elements, at least one, preferably located with the inside of at least one housing wall in contact, intermediate wall can be provided.
  • Each intermediate wall divides the housing into two areas. Each area serves to receive a one-piece element. Furthermore, the stability of the housing is increased by the intermediate wall.
  • FIG. 1 is a side view of an inventive ventilation component shown, which has a rectangular channel-shaped housing with four circumferential housing walls 1.
  • a fan 2 is provided, which is driven by a motor 3.
  • the fan 2 is, viewed in the flow direction 4, disposed upstream of a diaphragm 5.
  • the fan 2 and the motor 3 are on the underside of a base 16 which is fastened by means of fastening elements 19, such as screws, on the inside of the housing walls 1.
  • an inlet nozzle 12 is arranged in the illustrated embodiments.
  • the outer edge of the inlet nozzle 12 is sealed by a seal, not shown, with respect to the diaphragm 5.
  • the aperture 5 has an opening 6 for the passage of the flowing medium through the inlet nozzle 12 to the intake of the fan 2.
  • the panel 5 is attached via two approximately triangular-shaped support members 17 on the base 16.
  • On each side of the inlet nozzle 12 is a support member 17.
  • the lower edge portion 18 and the standing with the panel 5 in contact edge region 13 of each support member 17 are formed bent.
  • the flow cross section of the inlet nozzle 12 tapers in the direction of flow 4 in the manner of a funnel.
  • the inlet nozzle 12 has two peripheral regions 14 and 15, arranged one behind the other in the flow direction 4, which differ from each other in their radius of curvature.
  • the diaphragm 5 Seen upstream in the flow direction 4, the diaphragm 5 is a soundproofing and / or sound damping material 7 for sound insulation and / or for soundproofing.
  • the soundproofing and / or sound damping material 7 may be made of rock wool, for example.
  • the surface of the rock wool is preferably laminated with a glass silk fabric to prevent unwanted extraction of rock wool particles.
  • Fig. 1 to 11 is the sound insulation and / or sound damping material 7 directly with the upstream side of the diaphragm 5 in contact.
  • the sound-absorbing and / or sound-damping material 7 leaves in the illustrated Embodiments a central flow channel 8 free.
  • the soundproofing and / or sound damping material 7 extends almost over the entire length of the housing walls 1, which are the upstream of the aperture 5 seen in the flow direction 4.
  • the end is understood that opposite to the flow direction 4 is directed.
  • the downstream side is the end facing in the flow direction 4, which is in contact with the diaphragm 5.
  • the cross-section of the sound insulation and / or sound damping material 7 is formed as a circumferentially one-piece element.
  • Fig. 1 As Fig. 1 can be seen, two recesses are provided in the front wall in this figure, which can be closed with doors not shown. Through these recesses, the fan 2 and the sound damping material 7 is accessible from the outside.
  • FIGS. 2 and 3 and FIGS. 5 and 6 show other embodiments.
  • the cross section of the sound insulation and / or sound damping material 7 is formed from four sub-elements.
  • each sub-element is beveled at a 45 ° angle, so that in the inserted state, the sub-elements form a circumferential and closed formed ring-like element.
  • FIGS. 4 to 6 are - as well as in FIG. 9 shown - the two opposite, between the flow channel 8 forming inner surfaces 9, aligned in parallel.
  • the sound insulation and / or sound damping material 7 with its outer surfaces 10 in direct contact with the inside of the housing walls first
  • FIGS. 2 and 3 decreases - as well as in the FIGS. 7 and 8th shown - the cross section of the flow channel 8, except in the rounded transition region 11 in the region of the inflow side A in the flow direction 4 seen continuously.
  • the sound damping and / or sound damping material 7 in the region of the inflow side A a rounded transition region 11 in order to reduce pressure losses.
  • the narrowest point of the cross section of the flow channel 8 in the region of the downstream side is greater than the inlet diameter 16 of the inlet nozzle 12.
  • the cross section of the flow channel 8 is quadrangular in each case in the region of the inflow side A and the outflow side.
  • FIGS. 6 and 10 a variant is shown in which the outer surface 10 of the sound-absorbing and / or sound-damping material 7 is spaced apart from the inside of the adjacent housing wall 1 to form a gap s.
  • Fig. 12 an embodiment is shown in which the sound insulation and / or the sound damping material 7 is not directly in contact with the upstream side of the aperture 5. Rather, the sound insulation and / or the sound damping material 7 is spaced by a gap a from the upstream side of the panel 5.
  • the aperture 5 extends over the entire cross section of the housing.
  • the aperture 5 with its downstream side sealingly in contact with the outer peripheral edge of the inlet nozzle 12.
  • the inlet nozzle 12 may be screwed, riveted or the like, for example, at its free edge with the panel 5.
  • the inlet nozzle 12 and the aperture 5 are integrally formed. In In this case, the edge of the inlet nozzle 12 would extend to the housing walls 1.
  • Fig. 12 clarifies again that the narrowest point of the cross section of the flow channel 8 in the region of the downstream side is greater than the inlet diameter 16 of the inlet nozzle 12th
  • a ventilation component which has a channel-shaped housing with peripherally arranged housing walls 1.
  • housing In the housing four seen in the flow direction 4 at the same height, juxtaposed and superposed fans 2 are provided.
  • four openings 6 are provided for the passage of the gas to the intake of the respective fan 2 in the aperture 5.
  • the direction of rotation of the four fans 2 is the same.
  • a common sound insulation and / or sound damping material 7 is assigned as a one-piece element.
  • the sound damping and / or sound damping material 7 therefore forms four flow channels 8. With its four sides, the sound insulation and / or sound damping material 7 directly adjoins the housing walls 1.
  • each fan 2 is a separate and thus separate from sound insulation and / or sound damping material 7 existing circumferentially formed one-piece element assigned.
  • Each sound damping and / or sound damping material 7 forms a flow channel 8.
  • the housing has on the inside two perpendicular to each other and located with the inside of opposite housing walls 1 in contact intermediate walls 20, which divide the housing into four areas.
  • Each area serves to receive a sound damping and / or sound damping material (7), which is designed as a circumferential one-piece element.
  • Each soundproofing and / or sound damping material 7 directly adjoins the housing walls 1 with two of its four sides.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Duct Arrangements (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Claims (18)

  1. Pièce structurelle de ventilation comportant un boîtier en forme de canal muni de parois (1) disposées périphériquement, ledit boîtier renfermant au moins un ventilateur (2), notamment un ventilateur radial (2), et au moins un matériau périphérique (7) d'atténuation acoustique et/ou d'isolation phonique, prévu pour l'atténuation acoustique et/ou l'isolation phonique, réserve au moins un canal d'écoulement (8) notamment central et est prévu, de préférence, directement sur les parois (1) du boîtier dans la région desdites parois (1) du boîtier qui est située en amont dudit ventilateur (2) en considérant dans la direction (4) de l'écoulement, caractérisée par le fait que dans le boîtier, un diaphragme (5) est en outre implanté en amont du ventilateur (2) en considérant dans la direction (4) de l'écoulement, ledit diaphragme (5) étant muni d'un orifice (6) affecté au passage du fluide en circulation vers la zone d'aspiration dudit ventilateur (2) ; par le fait que l'extrémité d'au moins un matériau (7) d'atténuation acoustique et/ou d'isolation phonique, située côté sortie, est en applique contre le côté afflux dudit diaphragme (5) ou est distante dudit côté afflux du diaphragme (5), avec formation d'un interstice (a) ; et par le fait que la section transversale d'au moins un canal d'écoulement (8) se réduit, notamment de manière continue, en considérant dans la direction (4) de l'écoulement.
  2. Pièce structurelle de ventilation selon la revendication précédente, caractérisée par le fait qu'au moins un matériau (7) d'atténuation acoustique et/ou d'isolation phonique comprend au moins une surface intérieure (9) délimitant le canal d'écoulement (8), et une surface extérieure (10) tournée vers la face interne du boîtier et/ou vers le matériau voisin (7) d'atténuation acoustique et/ou d'isolation phonique, et ladite surface extérieure (10) dudit matériau (7) d'atténuation acoustique et/ou d'isolation phonique est en applique contre ladite face interne dudit boîtier et/ou contre ledit matériau voisin (7) d'atténuation acoustique et/ou d'isolation phonique, ou bien est située à distance de ladite face interne dudit boîtier et/ou dudit matériau voisin (7) d'atténuation acoustique et/ou d'isolation phonique, avec formation d'un interstice s.
  3. Pièce structurelle de ventilation selon l'une des revendications précédentes, caractérisée par le fait que la section transversale d'au moins un matériau (7) d'atténuation acoustique et/ou d'isolation phonique est réalisée sous la forme d'un élément monobloc dans le sens périphérique.
  4. Pièce structurelle de ventilation selon l'une des revendications 1 à 3, caractérisée par le fait que la section transversale d'au moins un matériau (7) d'atténuation acoustique et/ou d'isolation phonique est composée d'au moins deux, préférentiellement de quatre éléments partiels.
  5. Pièce structurelle de ventilation selon l'une des revendications 2 à 4, caractérisée par le fait que la largeur de l'interstice s mesure environ entre 1/10 et 1/5 de l'épaisseur de matériau d'un élément.
  6. Pièce structurelle de ventilation selon l'une des revendications 3 à 5, caractérisée par le fait qu'au moins un élément, ou au moins un élément partiel, renferme un matériau absorbant dans la région de la surface intérieure (9).
  7. Pièce structurelle de ventilation selon l'une des revendications précédentes, caractérisée par le fait qu'au moins deux surfaces intérieures (9), opposées l'une à l'autre et formant entre elles le canal d'écoulement (8), sont orientées parallèlement.
  8. Pièce structurelle de ventilation selon l'une des revendications précédentes, caractérisée par le fait que la section transversale d'au moins un canal d'écoulement (8) est de réalisation rectangulaire au moins dans la région du côté afflux A, de préférence sur toute la longueur entre ledit côté afflux A et le côté sortie.
  9. Pièce structurelle de ventilation selon l'une des revendications 1 à 7, caractérisée par le fait que la section transversale d'au moins un canal d'écoulement (8) est de réalisation rectangulaire au moins dans la région du côté sortie, de préférence sur toute la longueur entre le côté afflux A et ledit côté sortie.
  10. Pièce structurelle de ventilation selon l'une des revendications précédentes, caractérisée par le fait que la section transversale d'au moins un canal d'écoulement (8) fusionne, en considérant dans la direction (4) de l'écoulement, d'une section transversale rectangulaire, dans la région du côté afflux A, à une section transversale circulaire dans la région du côté sortie.
  11. Pièce structurelle de ventilation selon l'une des revendications précédentes, caractérisée par le fait qu'une buse d'admission (12) à achèvement infundibuliforme, notamment à achèvement infundibuliforme en considérant dans la direction (4) de l'écoulement, est prévue entre le côté sortie du diaphragme (5) et le ventilateur (2).
  12. Pièce structurelle de ventilation selon la revendication précédente, caractérisée par le fait que la zone la plus étroite de la section transversale d'au moins un canal d'écoulement (8) n'est pas inférieure, dans la région du côté sortie, au diamètre d'entrée (16) de la buse d'admission (12).
  13. Pièce structurelle de ventilation selon l'une des revendications précédentes, caractérisée par le fait que la zone la plus étroite de la section transversale d'au moins un canal d'écoulement (8) n'est pas inférieure, dans la région du côté sortie, au diamètre de l'orifice (6) pratiqué dans le diaphragme (5).
  14. Pièce structurelle de ventilation selon la revendication 12, respectivement 13, caractérisée par le fait que le bord de la zone la plus étroite de la section transversale d'au moins un canal d'écoulement (8) se trouve respectivement, dans la région du côté sortie, dans la continuité directe du bord de l'orifice (6) pratiqué dans le diaphragme (5) ou du diamètre d'entrée (16) de la buse d'admission (12), et repose en particulier sur ce dernier.
  15. Pièce structurelle de ventilation selon l'une des revendications précédentes, caractérisée par le fait que le matériau (7) d'atténuation acoustique et/ou d'isolation phonique présente, côté afflux, une transition circulaire ou biseautée avec la surface intérieure (9).
  16. Pièce structurelle de ventilation selon l'une des revendications précédentes, caractérisée par le fait que le bord de l'orifice (6) pratiqué dans le diaphragme (5), situé côté afflux, est de réalisation arrondie ou biseautée.
  17. Pièce structurelle de ventilation selon l'une des revendications précédentes, caractérisée par le fait qu'au moins deux ensembles placés en juxtaposition et/ou en superposition, respectivement constitués d'un ventilateur (2) et d'un matériau d'atténuation acoustique et/ou d'isolation phonique, sont prévus dans le boîtier, sachant que chaque matériau (7) d'atténuation acoustique et/ou d'isolation phonique est de réalisation périphérique, avec formation d'au moins un canal d'écoulement (8) notamment central, et que chaque matériau (7) d'atténuation acoustique et/ou d'isolation phonique est prévu dans la région des parois (1) dudit boîtier qui est située en amont du diaphragme (5) en considérant dans la direction (4) de l'écoulement.
  18. Pièce structurelle de ventilation selon la revendication précédente rattachée à la revendication 3, caractérisée par le fait qu'au moins une paroi intermédiaire (20), de préférence en contact avec la face interne d'au moins une paroi (1) du boîtier, est prévue entre deux éléments monobloc voisins.
EP12159323.0A 2012-02-07 2012-03-13 Composant d'aération comprenant un boîtier en forme de canal doté de parois de boîtier agencées de manière périphérique Active EP2626644B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL12159323T PL2626644T3 (pl) 2012-02-07 2012-03-13 Element wentylacyjny, zawierający obudowę w postaci kanału z obwodowo rozmieszczonymi ścianami
EP12159323.0A EP2626644B1 (fr) 2012-02-07 2012-03-13 Composant d'aération comprenant un boîtier en forme de canal doté de parois de boîtier agencées de manière périphérique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12154288 2012-02-07
EP12159323.0A EP2626644B1 (fr) 2012-02-07 2012-03-13 Composant d'aération comprenant un boîtier en forme de canal doté de parois de boîtier agencées de manière périphérique

Publications (2)

Publication Number Publication Date
EP2626644A1 EP2626644A1 (fr) 2013-08-14
EP2626644B1 true EP2626644B1 (fr) 2018-10-03

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GB2501867B (en) * 2012-03-19 2019-03-20 Nuaire Ltd Acoustically attenuated ventilation system
ES2394332B1 (es) * 2012-08-02 2013-09-12 Soler & Palau Res Sl Caja de ventilacion
US11293664B2 (en) 2018-03-06 2022-04-05 Gulfstream Aerospace Corporation Dual tube silencer for separate gas flows
EP4174320A1 (fr) * 2021-10-28 2023-05-03 Wobben Properties GmbH Dispositif de guidage d'écoulement d'air destiné à l'acheminement optimisé au niveau du bruit et de la pression d'un écoulement d'air vers une buse d'entrée d'un ventilateur, d'un dispositif ventilateur, d'un générateur et d'une éolienne
CN114086679A (zh) * 2021-11-19 2022-02-25 南京光声超构材料研究院有限公司 通风隔声单元结构及通风声屏障

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GB2362926A (en) * 2000-02-22 2001-12-05 Robert Alan Gladden Ventilation system

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GB2362926A (en) * 2000-02-22 2001-12-05 Robert Alan Gladden Ventilation system

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PT2626644T (pt) 2019-01-17
ES2703506T3 (es) 2019-03-11
PL2626644T3 (pl) 2019-03-29
EP2626644A1 (fr) 2013-08-14
HUE040635T2 (hu) 2019-03-28
TR201820381T4 (tr) 2019-01-21
DK2626644T3 (en) 2019-01-21

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