EP2510854B2 - Agencement silencieux de soufflage d'air évacué - Google Patents
Agencement silencieux de soufflage d'air évacué Download PDFInfo
- Publication number
- EP2510854B2 EP2510854B2 EP12163370.5A EP12163370A EP2510854B2 EP 2510854 B2 EP2510854 B2 EP 2510854B2 EP 12163370 A EP12163370 A EP 12163370A EP 2510854 B2 EP2510854 B2 EP 2510854B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- foam
- filter
- foam filter
- exhaust air
- 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
Links
- 239000006260 foam Substances 0.000 claims description 143
- 238000011144 upstream manufacturing Methods 0.000 claims description 24
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 239000003570 air Substances 0.000 description 92
- 239000000428 dust Substances 0.000 description 20
- 238000007664 blowing Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 241000238876 Acari Species 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010407 vacuum cleaning Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/12—Dry filters
- A47L9/122—Dry filters flat
-
- 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
- F24F13/082—Grilles, registers or guards
- F24F13/085—Grilles, registers or guards including an air filter
-
- 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
- Embodiments of the present invention relate to a concept for blowing out an exhaust air stream in household appliances, such as vacuum cleaners, in particular, but not exclusively, can be used.
- Such exhaust air filter assemblies generally include an air or particle filter arranged in a filter housing. Often two or three filter stages are arranged in series in a filter arrangement or assembly in order to maximize an amount of dust caught or filtered out by the filter assembly.
- Known exhaust air filter types include, for example, a foam filter that is placed directly in the exhaust air flow and already has a relatively high dust retention capacity.
- An electrical and/or HEPA (High Efficiency Particulate Airfilter) filter capable of capturing very small dust particles, particularly particles smaller than 1 ⁇ m, can then be placed downstream of the foam filter, to retain or filter out the residual dust from the exhaust air flow that escaped the upstream foam filter.
- known filter devices can also improve the smell of the exhaust air from a vacuum cleaner.
- dust picked up when vacuuming for example, even the smallest organisms, such as e.g. B. bacteria or dust mites get into the dust filter of a vacuum cleaner, especially in the dust filter bag.
- a massive accumulation of all impurities in the dust filter bag and possibly also in the after-air or exhaust air filter accelerates and intensifies the growth and multiplication of mites and bacteria, as well as their formation of excrement, which can adversely increase the moisture content in the filters with the additional formation of a warm, humid atmosphere.
- an unpleasant odor can develop, especially in the dust filter bag, which can pollute the ambient air when vacuuming.
- sucked-in air after passing through the dirt pickup and the dust and/or odor filter, is generally fed via a blow-out duct to a plurality of housing slots arranged adjacent to one another, as is the case, for example, in the documents JP 03272721A , DE 198 43 719 A1 and U.S. 7,434,293 B2 is shown.
- Considerable flow velocities can be reached when the exhaust air emerges from the housing slots, which in turn can produce unpleasant blow-out noises.
- efforts are made to make the exhaust channel and an exit point in the area of the housing of the household appliance as large as possible in order to obtain low exhaust resistance, as is the case, for example, in DE 33 11 494 A1 will be shown.
- a vacuum cleaner which can measure the degree to which the dust filter bag is filled with dust using an arrangement which carries out a pressure measurement in the accumulation area of an air flow before it enters a dust bag.
- the arrangement is arranged between a motor/fan unit and a filter device—here a dust filter bag—connected downstream in the flow direction of the air.
- the pent-up air is guided through openings in a perforated lattice-shaped cylinder - which serves as the inlet to the filter bag - through a foam filter into a pressure chamber which is closed off by an elastic membrane.
- the foam filter serves to hold back dust particles that can lead to blockages and thus impairment of the measurement in the pressure chamber.
- Part of a main air flow is guided into the pressure chamber via a partially airtight baffle. When the dynamic pressure in the stagnation area of the air flow decreases, air that has accumulated in the pressure chamber is routed back to the cylinder into the main air flow.
- One finding of embodiments of the present invention is an exhaust air blowout area with a noise-insulating or sound-absorbing medium, such as B. to provide a sound-absorbing and air-permeable foam.
- a noise-insulating or sound-absorbing medium such as B. to provide a sound-absorbing and air-permeable foam.
- a so-called impact screen or impact surface is installed downstream (ie viewed in the direction of an exhaust air flow) from the sound-absorbing foam intended.
- This impact surface which is arranged downstream of the foam filter, can prevent exhaust air flowing in from the upstream direction from flowing directly through the foam and then exiting again unhindered on an opposite side of the foam.
- the baffle surface arranged downstream of the foam filter forms a resistance for the flow of exhaust air and thereby ensures that the exhaust air is deflected within the sound-absorbing foam to the lateral air outlet surfaces of the foam filter.
- the exhaust air cannot flow through the sound-absorbing foam over the shortest path by means of the baffle surface arranged on the downstream side of the foam filter.
- the exhaust air is deflected to the side within the foam, ie before it emerges from the foam filter, essentially transversely to its inflow direction. This lengthens the flow path of the exhaust air within the sound-absorbing foam, which in turn can contribute to a significant noise reduction in the outlet area of a household appliance.
- Embodiments of the present invention provide an arrangement for blowing out an exhaust air flow, in particular from a household appliance such. B. a vacuum cleaner ready.
- a blow-out arrangement comprises an air-permeable and sound-absorbing foam or foam filter, on the upstream side of which the exhaust air stream can flow essentially with a main flow direction into the sound-absorbing foam.
- an air-impermeable impact surface that at least partially covers it and is designed to deflect the exhaust air flow from its main flow direction before it exits in the sound-absorbing foam.
- the air-permeable and sound-absorbing foam of the foam filter can be, for example, a polyurethane foam (PU foam) or a melamine foam.
- PU foam polyurethane foam
- melamine foam a polyurethane foam
- the baffle is configured to impart a transverse flow to the exhaust airflow within the sound absorbing foam upstream of the baffle, having a directional component that is substantially parallel to the baffle. With an appropriately shaped and arranged impact surface, this can therefore lead to a transverse flow that is essentially perpendicular to the main flow direction of the exhaust air. With embodiments of the present invention, it is therefore possible to prevent a direct flow through the foam filter (i.e. using the shortest route) and instead to deflect the exhaust air flow within the foam filter essentially transversely to the main or inflow direction. As a result, the exhaust air no longer flows on a direct, i. H.
- the impact screen or baffle has an air-impermeable middle section and air-permeable side sections arranged laterally to the middle section, in order, by means of the air-permeable side sections of the baffle, for exhaust air flowing transversely upstream to the middle section in the foam to have a laterally offset air outlet from the foam essentially again in the main flow direction to allow.
- the air-permeable side sections are laterally offset on a side of the foam filter that is opposite to the inflowing exhaust air.
- An air filter (e.g. HEPA filter) is arranged in a holding frame upstream of the air-permeable, sound-absorbing foam, the holding frame having a grid between the air filter and the air-permeable and sound-absorbing foam, on which the foam can be supported. It is therefore a cascade of an air filter, a foam filter arranged downstream of it, and an impact screen or impact surface arranged downstream of it. The foam filter can then be arranged so that it is pressed between the grid and the impact surface.
- HEPA filter e.g. HEPA filter
- the baffle is preferably arranged downstream immediately after the air-permeable and sound-absorbing foam, so that the baffle and the foam are in direct contact with one another.
- the baffle can thus directly on the downstream side of the sound absorbing foam.
- the impact surface can be glued to the foam, for example, in order to additionally fix the foam.
- the baffle can also be an air-impermeable layer applied to one side of the foam, e.g. B. a paint finish or the like.
- the decisive factor is that it ensures that a flow of exhaust air flowing on a side of the foam opposite the impact surface cannot flow through the foam via the shortest path, but is deflected in it essentially parallel to the impact surface in order to close the flow path of the exhaust air flow through the foam extend and thus calm the exhaust air before it exits the foam.
- the impact surface can form part of an outer housing of the household appliance together with its air-permeable side sections.
- the impact surface or impact screen can have, for example, an injection molded plastic part, which can form a visible part of the outer housing.
- the impact surface can additionally have latching elements according to exemplary embodiments. These can be in the form of hooks and/or eyes, for example.
- FIG. 1 For exemplary embodiments of the present invention, also include a method for blowing out an exhaust air flow, in particular from a household appliance, with a step of arranging an air-permeable and sound-absorbing foam filter, on the upstream side of which the exhaust air flow can flow into the air-permeable and sound-absorbing foam filter essentially with a main flow direction, arranging, on a downstream side of the air-permeable and sound-absorbing foam filter, an air-impermeable baffle at least partially covering the foam filter, so that the exhaust air flow can be deflected from its main flow direction due to the baffle in the sound-absorbing foam filter, and a step of arranging upstream of the foam filter , An air filter located in a holding frame, the holding frame having a grid between the air filter and the foam filter on which can support the foam filter.
- FIGS. 1a to 1c 10 show various exemplary embodiments of arrangements 10a, 10b and 10c for blowing out an exhaust air stream 11.
- Such arrangements are used in household appliances such as e.g. B. vacuum cleaners, for blowing out filtered or unfiltered exhaust air.
- Arrangements 10a, 10b and 10c shown each have an air-permeable and sound-absorbing foam filter 12, on whose upstream side 13 (ie, those shown in Figs Figures 1a to 1c bottom side) the exhaust air flow 11 can flow into the foam filter 12 essentially with a main flow direction.
- the main flow direction can run essentially perpendicular (ie, for example, in an angular range of 70° to 110°) to a surface of the upstream side 13 .
- all of the assemblies 10a, 10b and 10c shown each have one on a downstream side 14 (ie, those shown in Figs Figures 1a to 1c upper side) of the foam filter 12 and this at least partially covering air-impermeable baffle 15 on.
- the baffle 15 is designed or arranged in such a way to deflect the exhaust air flow 11 within the foam filter 12 from the main flow direction and, for example, to convert it into a cross flow that has a directional component 16 that is essentially is parallel to the impact surface 15, ie, encloses an angle in an angular range of -20° to 20° with this, for example.
- the air-permeable and sound-absorbing foam of the foam filter 12 can be a polyurethane foam (PU foam) or a melamine foam, each of which has particularly good sound-absorbing properties.
- PU foam polyurethane foam
- melamine foam a polyurethane foam
- the exhaust air flow 11 can be calmed down when flowing through such a sound-absorbing foam, so that air outlet noises can be reduced by the provision of such a sound-absorbing foam.
- the highest possible soundproofing is achieved by a corresponding thickness or strength of the foam in the main flow direction.
- exemplary embodiments allow the use of sound-absorbing foams 12, which have a relatively small thickness or height h compared to the prior art (see e.g. Fig. 1a ) exhibit.
- This is achieved by the air-impermeable baffle 15 arranged downstream of the foam 12, which is designed according to exemplary embodiments to direct the exhaust air flow 11 in the foam 12 in a direction towards the side (left and right in the Fig. 1a-c ) to the impact surface 15 located air outlet surfaces 17 of the foam 12 off or deflect.
- the lateral air outlet surfaces 17 can either be on the downstream side 14 of the foam filter 12 (see Fig. 1a, b ).
- the lateral air outlet surfaces 17 can lie on lateral peripheral surfaces of the foam 12 which are not covered by the impact surface 15.
- the baffle surface 15 can have an air-impermeable middle section and air-permeable side sections 18 arranged laterally to the middle section, in order, by means of the air-permeable side sections 18 of the baffle surface 15, for exhaust air 11 flowing transversely upstream to the middle section 15 in the foam 12 to allow air to escape from the foam 12 the downstream side 14 of the foam 12.
- the baffle surface 15 can be designed in such a way that, after the exhaust air flow 11 has been deflected or deflected in the foam 12 , the exhaust air 11 can flow out of the downstream side 14 of the foam filter 12 , offset relative to an inflow area.
- the impact surface 15 can, for example, be made less wide than the foam 12 located upstream of it (see FIG Fig. 1a ).
- the impact surface 15 can also have recesses or lattice arrangements located laterally to the air-impermeable central section, which form the air-permeable side sections 18 (see FIG Fig. 1b ).
- Embodiments are also conceivable in which the impact surface 15 completely covers the foam filter 12 located upstream of it or its downstream side 14, ie also over its entire width.
- the exhaust air flow 11 is deflected within the foam 12 until it can exit again at the lateral foam or air outlet surfaces 17 that are not covered by the impact surface 15 (see 1c , left- and right-hand foam surfaces).
- the impact surface 15 is preferably arranged downstream immediately after the air-permeable and sound-absorbing foam 12, so that the impact surface 15 and the foam 12 are in contact with one another.
- the baffle 15 may be in direct contact with the downstream side 14 of the foam 12 . In this way, the deflection of the exhaust air flow 11 within the foam 12 can be configured particularly efficiently.
- the baffle surface can be, for example, a plastic plate, a metal or sheet metal plate, or an air-impermeable layer that rests directly on the downstream side 14 of the foam filter 12 .
- the direct contact between the foam 12 and the impact surface 15 can be produced in various ways. For example, it can be a pressure contact, which comes about by pressing the foam 12 against the impact surface 15 .
- the foam 12 and the impact surface 15 can also be glued together, for example, in order to obtain an additional fixation of the foam 12 and the impact surface 15 relative to one another.
- the 2 shows a detailed view of a section through a housing arrangement 20 for blowing out an exhaust air flow 11 according to an exemplary embodiment, as can be used, for example, in a canister vacuum cleaner.
- the 2 12 shows an exemplary embodiment of a blow-out arrangement 10 made of air-permeable and sound-absorbing foam 12 and a baffle 15 located downstream (above) thereto, the blow-out arrangement 10 shown forming part of a vacuum cleaner outer housing.
- the arrangement 10 is captively coupled or latched to a further vacuum cleaner housing part 21 , for which purpose the impact surface 15 has latching elements 22 which reach through the foam 12 and which can latch or snap with counterparts of the vacuum cleaner housing part 21 provided for this purpose.
- the upper impact surface 15 thus forms a part of the vacuum cleaner housing that is visible from the outside, so that the impact surface 15 can also be referred to as the so-called design surface of the vacuum cleaner.
- the baffle surface 15 can have, in addition to an air-impermeable central area, also air-permeable side sections 18 which are arranged on the left and right and which form lateral exhaust air blow-out areas.
- the air-permeable and sound-absorbing foam 12 is arranged below (upstream) the impact surface 15 and, again seen upstream, is coupled to an air filter 24 arranged in a holding frame 23 .
- the holding frame 23 has a grid 25 between the air filter 24 (eg a HEPA filter) and the sound-absorbing foam 12, on which the air-permeable and sound-absorbing foam 12 can be supported.
- the foam 12 can therefore rest directly on the grid 25 with its upstream side 13 so that it is pressed between the grid 25 and the impact surface 15 in the assembled state. Parts of the foam 12 that are below the air-permeable side sections 18 of the baffle 15 can be visible to the outside and thus contribute to the design of the vacuum cleaner.
- the blow-out air 11 deflected by the action of the impact surface 15 flows through the foam 12 in the transverse direction essentially perpendicular to its main inflow direction. Due to the deflection, the flow path of the exhaust air 11 through the foam 12 is lengthened compared to conventional exhaust arrangements, so that the exhaust air flow 11 is additionally calmed.
- the blowing speed of the exhaust air flow 11 can thus be reduced by means of exemplary embodiments of the present invention, which is accompanied by an advantageous and pleasant reduction in noise.
- the impact surface 15 and the lateral blow-out areas 18 become a design surface of the household appliance that is visible from the outside.
- the 3 a plan view of a vacuum cleaner 30, in the housing of which a recess 31 is provided, into which the in 2 Blow-out assembly 10 shown in the sectional view with impact surface 15 and foam filter 12 can be introduced as shown.
- the baffle 15 and the lateral exhaust air outlets 18 are visible from the outside in the assembled state, so that the surface, ie the baffle 15 of the arrangement 10 forms a design surface of the vacuum cleaner 30.
- the lateral blow-out surfaces visible from the outside 18 and the impact panel 15 are in the 3 indicated by the dashed areas.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Electric Suction Cleaners (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Claims (9)
- Appareil ménager (30) comprenant un agencement (10, 10a, 10b, 10c) comportant :un filtre en mousse (12) perméable à l'air et absorbant le son, sur le côté amont (13) duquel un flux d'air sortant (11) peut s'écouler essentiellement dans une direction d'écoulement principale dans le filtre en mousse (12), etune surface de déflexion (15) imperméable à l'air agencée sur un côté aval (14) du filtre en mousse (12) et recouvrant au moins en partie celui-ci, qui est configurée de manière à dévier le flux d'air sortant (11) dans le filtre en mousse (12) de sa direction principale d'écoulement, dans lequel un filtre à air (24) placé dans un cadre de support (23) est disposé en amont du filtre en mousse (12), le cadre de support (23) comportant une grille (25) entre le filtre à air (24) et le filtre en mousse (12), sur laquelle le filtre en mousse (12) peut s'appuyer,et dans lequel l'agencement (10, 10a, 10b, 10c) est configuré de manière à éjecter le flux d'air sortant (11) dans une zone de soufflage (18) visible de l'extérieur et à réduire le bruit de soufflage du flux d'air sortant (11), caractérisé en que ce, la surface de déflexion (15) est visible de l'extérieur, et comprend une partie centrale imperméable à l'air et des parties latérales (18) perméables à l'air disposées de chaque côté de la partie centrale imperméable à l'air, dans lequel les parties latérales (18) forment la zone de soufflage (18), afin de permettre, pour l'air sortant s'écoulant en amont transversalement à la partie centrale dans le filtre de mousse (12), une sortie d'air depuis le filtre en mousse (12) essentiellement dans la direction principale d'écoulement, via les parties latérales perméables à l'air (18) de la surface de déflexion (15).
- Appareil ménager (30) selon la revendication 1, caractérisé en ce que la surface de déflexion (15) est configurée de manière à modifier le flux d'air sortant (11) dans le filtre en mousse (12) en amont de la surface de déflexion (15) pour former un flux transversal comprenant une composante de direction qui est essentiellement parallèle à la surface de déflexion (15).
- Appareil ménager (30) selon la revendication 1 ou 2, caractérisé en ce que la surface de déflexion (15) est configurée de manière à dévier le flux d'air sortant (11) dans le filtre en mousse (12) dans une direction vers des surfaces de sortie d'air (17) latérales du filtre en mousse (12) se trouvant sur une périphérie du filtre en mousse (12).
- Appareil ménager (30) selon l'une des revendications précédentes, caractérisé en ce que la surface de déflexion (15) est disposée en aval immédiatement après le filtre en mousse (12) de manière à ce que la surface de déflexion et le côté aval (14) du filtre en mousse (12) soient en contact.
- Appareil ménager (30) selon l'une des revendications précédentes, caractérisé en ce que le filtre en mousse (12) comprend une mousse de polyuréthane ou une mousse de mélamine.
- Appareil ménager (30) selon l'une des revendications 1 à 5, caractérisé en ce que la surface de déflexion (15) est configurée de façon à former une partie visible du boîtier extérieur (21) de l'alpppareil ménager (30).
- Appareil ménager (30) selon la revendication 6, caractérisé en ce que la surface de déflexion (15) comprend des éléments d'encliquetage (22) qui sont configurés pour encliqueter la surface de déflexion (15) avec une partie du boîtier extérieur (21) de l'appareil ménager (30) de façon inamovible.
- Appareil ménager (30) selon la revendication 6 ou 7, caractérisé en ce que l'appareil ménager (30) est un aspirateur.
- Procédé pour un appareil ménager (30) selon l'une des revendications 1 à 8, comprenant les étapes consistant à :agencer un filtre en mousse (12) perméable à l'air et absorbant le son, sur le côté amont (13) duquel le flux d'air sortant (11) peut s'écouler essentiellement dans une direction d'écoulement principale dans le filtre en mousse (12) perméable à l'air et absorbant le son, etagencer une surface de déflexion (15) imperméable à l'air sur un côté aval (14) du filtre en mousse (12) et recouvrant au moins en partie celui-ci, qui est configurée de manière à ce que le flux d'air sortant (15) dans le filtre en mousse (12) puisse être dévié de sa direction principale d'écoulement, etagencer un filtre à air (24) placé dans un cadre de support (23) en amont du filtre en mousse (12), le cadre de support (23) comportant une grille (25) entre le filtre à air (24) et le filtre en mousse (12), sur laquelle le filtre en mousse (12) peut s'appuyer,dans lequel au moyen du procédé, l'agencement (10, 10a, 10b, 10c) éjecte le flux d'air sortant (11) dans une zone de soufflage (18) visible de l'extérieur et réduit le bruit de soufflage du flux d'air sortant (11), caractérisé en ce que la surface de déflexion (15) est visible de l'extérieur, et comprend une partie centrale imperméable à l'air et des parties latérales (18) perméables à l'air disposées de chaque côté de la partie centrale imperméable à l'air, dans lequel les parties latérales (18) forment la zone de soufflage (18), afin de permettre, pour l'air sortant s'écoulant en amont transversalement à la partie centrale dans le filtre de mousse (12), une sortie d'air depuis le filtre en mousse (12) essentiellement dans la direction principale d'écoulement, via les parties latérales perméables à l'air (18) de la surface de déflexion (15).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011007204A DE102011007204A1 (de) | 2011-04-12 | 2011-04-12 | Geräuscharme Abluftausblasanordnung |
Publications (4)
Publication Number | Publication Date |
---|---|
EP2510854A2 EP2510854A2 (fr) | 2012-10-17 |
EP2510854A3 EP2510854A3 (fr) | 2017-04-12 |
EP2510854B1 EP2510854B1 (fr) | 2019-06-12 |
EP2510854B2 true EP2510854B2 (fr) | 2022-09-07 |
Family
ID=46025475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12163370.5A Active EP2510854B2 (fr) | 2011-04-12 | 2012-04-05 | Agencement silencieux de soufflage d'air évacué |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2510854B2 (fr) |
DE (1) | DE102011007204A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR112017005652B1 (pt) * | 2014-09-19 | 2023-01-10 | Close Comfort Pty Ltd | Unidade condicionadora de ar, sistema de condicionador de ar e dispositivo de resfriamento localizado |
DE102018201143B4 (de) | 2018-01-25 | 2024-04-18 | BSH Hausgeräte GmbH | Filteranordnung zur schallreduzierung für einen staubsauger |
DE102018251706A1 (de) | 2018-12-27 | 2020-07-02 | Robert Bosch Gmbh | Arbeitsgerät |
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US4533370A (en) † | 1982-03-30 | 1985-08-06 | Sharp Kabushiki Kaisha | Electric cleaner with minimum noise |
JPH03272721A (ja) † | 1990-03-20 | 1991-12-04 | Matsushita Electric Ind Co Ltd | 電気掃除機 |
JPH04285518A (ja) † | 1991-03-14 | 1992-10-09 | Tokyo Electric Co Ltd | 電気掃除機 |
JPH07124081A (ja) † | 1993-11-08 | 1995-05-16 | Matsushita Electric Ind Co Ltd | 電気掃除機 |
EP1048259A1 (fr) † | 1999-04-22 | 2000-11-02 | Pierre Orban | Appareil d'aspiration de particules |
US20050050674A1 (en) † | 2003-09-09 | 2005-03-10 | Samsung Gwangju Electronics Co., Ltd. | Vacuum cleaner |
WO2005051155A1 (fr) † | 2003-11-28 | 2005-06-09 | Aktiebolaget Electrolux | Systeme de filtration pour aspirateur |
US20080010958A1 (en) † | 2007-01-30 | 2008-01-17 | Bissell Homecare, Inc. | Filter for a vacuum cleaner |
JP2009045317A (ja) † | 2007-08-22 | 2009-03-05 | Mitsubishi Electric Corp | 電気掃除機 |
US20100242421A1 (en) † | 2009-03-13 | 2010-09-30 | G.B.D. Corp. | Filter apparatus |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3027701A1 (de) * | 1980-07-22 | 1982-02-11 | Progress-Elektrogeräte Mauz & Pfeiffer GmbH & Co, 7000 Stuttgart | Staubsauger |
DE8232270U1 (de) * | 1982-11-18 | 1983-04-07 | Vorwerk & Co Interholding Gmbh, 5600 Wuppertal | Einrichtung zur anzeige des fuellgrades des filterbeutels bei handstaubsaugern |
DE4100858A1 (de) * | 1991-01-14 | 1992-07-16 | Siemens Ag | Staubsauger mit einem geblaeseaggregat |
DE4315712A1 (de) * | 1993-05-11 | 1994-11-17 | Siemens Ag | Staubsauger |
KR100233513B1 (ko) * | 1997-09-23 | 1999-12-01 | 구자홍 | 진공청소기의 공기유로구조 |
-
2011
- 2011-04-12 DE DE102011007204A patent/DE102011007204A1/de not_active Withdrawn
-
2012
- 2012-04-05 EP EP12163370.5A patent/EP2510854B2/fr active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4533370A (en) † | 1982-03-30 | 1985-08-06 | Sharp Kabushiki Kaisha | Electric cleaner with minimum noise |
JPH03272721A (ja) † | 1990-03-20 | 1991-12-04 | Matsushita Electric Ind Co Ltd | 電気掃除機 |
JPH04285518A (ja) † | 1991-03-14 | 1992-10-09 | Tokyo Electric Co Ltd | 電気掃除機 |
JPH07124081A (ja) † | 1993-11-08 | 1995-05-16 | Matsushita Electric Ind Co Ltd | 電気掃除機 |
EP1048259A1 (fr) † | 1999-04-22 | 2000-11-02 | Pierre Orban | Appareil d'aspiration de particules |
US20050050674A1 (en) † | 2003-09-09 | 2005-03-10 | Samsung Gwangju Electronics Co., Ltd. | Vacuum cleaner |
WO2005051155A1 (fr) † | 2003-11-28 | 2005-06-09 | Aktiebolaget Electrolux | Systeme de filtration pour aspirateur |
US20080010958A1 (en) † | 2007-01-30 | 2008-01-17 | Bissell Homecare, Inc. | Filter for a vacuum cleaner |
JP2009045317A (ja) † | 2007-08-22 | 2009-03-05 | Mitsubishi Electric Corp | 電気掃除機 |
US20100242421A1 (en) † | 2009-03-13 | 2010-09-30 | G.B.D. Corp. | Filter apparatus |
Also Published As
Publication number | Publication date |
---|---|
DE102011007204A1 (de) | 2012-10-18 |
EP2510854B1 (fr) | 2019-06-12 |
EP2510854A3 (fr) | 2017-04-12 |
EP2510854A2 (fr) | 2012-10-17 |
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