EP2964066B1 - Arrangement in a vacuum cleaner for reducing noise - Google Patents
Arrangement in a vacuum cleaner for reducing noise Download PDFInfo
- Publication number
- EP2964066B1 EP2964066B1 EP13707851.5A EP13707851A EP2964066B1 EP 2964066 B1 EP2964066 B1 EP 2964066B1 EP 13707851 A EP13707851 A EP 13707851A EP 2964066 B1 EP2964066 B1 EP 2964066B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- baffle body
- vacuum cleaner
- dust bag
- chamber
- air passage
- 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.)
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Links
- 239000000428 dust Substances 0.000 claims description 44
- 238000005192 partition Methods 0.000 claims description 11
- 239000011358 absorbing material Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 239000003570 air Substances 0.000 description 35
- 239000000463 material Substances 0.000 description 4
- 230000000284 resting effect Effects 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process 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
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/12—Dry filters
- A47L9/122—Dry filters flat
-
- 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
Definitions
- the present invention relates to an arrangement in a vacuum cleaner for reducing noise emitted from said vacuum cleaner, a filter grille comprised in such an arrangement, and a vacuum cleaner comprising such an arrangement according to the preambles of the independent claims.
- Elevated noise levels in general may be disturbing, cause annoyance and may sometimes create stress.
- sound levels even as low as 40 dB(A), about as loud as a refrigerator may be disturbing.
- a vacuum cleaner An example of a home appliance which affects the sound levels in indoor environment, and which may generate noise levels which may be disturbing, is a vacuum cleaner.
- a source of noise is the fan and the motor.
- the bag chamber comprising the dust bag and the fan and motor chamber, comprising a motorized fan, are connected via an intake air passage, such that intake air from the dust bag chamber may pass into the motor and fan chamber.
- a filter may be arranged, which is adapted to filter the intake air, and also function as a disaster filter protecting the motor if the dust bag would break.
- the motor chamber comprises an exhaust air outlet through which the exhaust air may travel out from the motor chamber to the ambient air outside the vacuum cleaner.
- a disadvantage with the intake air passage opening is that noise emitted from the motor and fan chamber may travel out through the intake and the filter, which may cause increased noise levels.
- EP 2374394 A1 shows a vacuum cleaner which has a holding grid, holding a motor protection filter, arranged between a dust chamber and motor chamber in a swivelable manner.
- a locking unit locks the holding grid in a swiveling position.
- the locking unit is arranged in an area in a hinged side of the holding grid.
- a resting nose and a recess serve as the locking unit for locking the holding grid, where the recess corresponds to the resting nose.
- the recess has a projection that is contactable by the resting nose. The projection protrudes over a surface, in which the recess is formed.
- Document JPH10211128 discloses a vacuum cleaner with a noise reduction means.
- the noise reduction means comprises a conical cone with noise absorbing material. The noise is reflected by the side face of the cone and thereby attenuated.
- vacuum cleaners are often designed to be optimized from different points of view e.g. noise.
- noise levels often are a concern in indoor environment, e.g. in households, the inventors of the present invention have identified a need for a vacuum cleaner which is further improved with respect to noise levels.
- an object of the present invention is to provide an arrangement for reducing the noise emitted from a vacuum cleaner, which arrangement is inexpensive, easy and straight forward to manufacture.
- a further object of the present invention is to provide a vacuum cleaner which provides an overall reduced noise level.
- the arrangement in a vacuum cleaner for reducing noise emitted from a motor chamber in said vacuum cleaner comprises a dust bag chamber, adapted to enclose a dust bag, and a motor chamber, adapted to comprise at least a motorized fan.
- the arrangement further comprises an intake air passage opening arranged between said dust bag chamber and said motor chamber, through which intake air is adapted to travel from said dust bag chamber into said motor chamber.
- the dust bag chamber and said motor chamber being integrated in said vacuum cleaner.
- a baffle body, adapted to redirect said emitted noise, is arranged in said dust bag chamber such that said baffle body at least partly covers said intake air passage opening.
- the present invention relates to a filter grille for a vacuum cleaner comprised in an arrangement for reducing noise emitted from a motor chamber in said vacuum cleaner.
- the present invention relates to a vacuum cleaner comprising an arrangement for reducing noise emitted from a motor chamber in said vacuum cleaner.
- the word upper refers to the part located furthest away from a supporting surface, e.g. a floor, when the vacuum cleaner is placed horizontally on the floor (as shown in Figure 1 ).
- the word lower refers to the part located closest to the supporting surface.
- FIG. 1 shows a partially cutaway view, of the arrangement 1 in a vacuum cleaner 2 for reducing noise emitted from a motor chamber 3 in the vacuum cleaner 2, according to one embodiment of the present invention.
- the arrangement 1 comprises a dust bag chamber 4, adapted to enclose a dust bag, and a motor chamber 3, adapted to comprise at least a motorized fan (not shown).
- An intake air passage opening 5 is arranged between the dust bag chamber 4 and the motor chamber 3, through which intake air is adapted to travel from the dust bag chamber 4 into the motor chamber 3.
- the dust bag chamber 4 and the motor chamber 3 are integrated in the vacuum cleaner 2.
- a baffle body 6, adapted to redirect the emitted noise, is arranged in the dust bag chamber 4 such that the baffle body 6 at least partly covers the intake air passage opening 5.
- the baffle body 6 is arranged such that it is adapted to redirect the emitted noise travelling through the air passage opening 5, and as a consequence, the baffle body 6 reduces the propagation of sound waves in the vacuum cleaner 2.
- the baffle body 6 is adapted to cover at least an upper portion 7 of the air passage opening 5.
- the baffle body 6 is adapted to redirect the noise partly in a direction towards a lower portion 8 of the air passage opening 5 and partly in a direction back into the motor chamber 3.
- redirecting the emitted noise prevents or at least reduces the propagation of sound waves in the vacuum cleaner 2, wherein the emitted noise from the vacuum cleaner is reduced.
- the baffle body reduces the noise level emitted from the vacuum cleaner about 0,3-0,5 dB(A).
- the air passage opening 5 has an area, and the baffle body 6 covers approximately 5 - 50% of the area.
- the area is approximately 1300-4500 mm 2 .
- the intake air passage opening 5 may have any shape, such as an elongated square-shape, or a circular shape, or any other suitable shape.
- the baffle body 6 is hollow and forms a passageway 9, through which passageway 9 the intake air is adapted to travel.
- the passageway 9 ensures that the intake air may freely travel from the dust bag chamber 4 into the motor chamber. Furthermore, the sound waves are reflected inside the passageway, wherein the emitted noise is redirected, and advantageously reduces the noise level. Naturally, the intake air also travels through the intake air passage opening 5 through other portions of the opening 5 not being covered by the baffle body 6.
- the baffle body 6 is arranged such that it extends from an upper edge 10 of the air passage opening 5 and downwards in a direction towards an opposite lower portion 8 of the air passage opening 5.
- the baffle body 6 is preferably made from any hard plastic, or any other similar material, suitable for redirecting emitted sound.
- the baffle body 6 comprises an attachment portion 11 attached at least along the upper edge 10.
- the baffle body 6 may be detachable, or may be integrated with any other suitable feature, such as the partition wall 18 between the dust bag chamber 4 and the motor chamber 3.
- the baffle body 6 is preferably tightly attached to the partition wall 18 or a filter grille 13, such that emitted noise, at least partially, is restricted from entering the dust bag chamber 4.
- a detachable baffle body 6 provides more flexibility for the user and facilitates cleaning of the inside of the vacuum cleaner 2.
- the baffle body 6 is provided with a bend 12 and wherein a bending angle ⁇ of the bend 12 is approximately 10 - 90°.
- the bent baffle body 6 reflects the sound waves in a desired direction, and thus redirects the emitted noise, wherein the noise level is reduced.
- the bending angle ⁇ is approximately 90°. This is advantageous in that parts of the emitted noise, i.e. parts of the sound waves, is reflected back into the motor chamber and parts of the noise is reflected such that it is directed in a direction towards a lower part 17 of the dust bag chamber 4.
- the baffle body 6 has an inner side 15, directed towards the passageway 9, and wherein the inner side 15 is provided with a sound absorbing material (not shown).
- the material may be any sound absorbing plastic material, e.g. T-Plasztik Item number 30301 with 100% PES fibers.
- the thickness of the material is preferably 4 - 6 mm.
- the sound absorbing material is advantageous in that it reduces propagation of sound waves and thus further reduces the noise levels from the vacuum cleaner 2.
- the present invention relates to a filter grille 13 for a vacuum cleaner 2 comprised in an arrangement 1 as described above.
- the filter grille 13 is adapted to be arranged in the dust bag chamber 4 such that it essentially covers the intake air passage opening 5 arranged between the dust bag chamber 4 and the motor chamber 3.
- the baffle body 6 is attached to the filter grille 13 along at least one filter grille edge 14 of the filter grille 13, such that the baffle body 6, which is adapted to redirect the emitted noise, at least partly covers the intake air passage opening 5.
- the baffle body 6 being attached to a filter grille 13 is advantageous in that a conventional filter grille 13, arranged in a conventional filter grille holder, may easily be changed into a filter grille 13 provided with a baffle body 6, according to the present invention.
- the baffle body 6 being attached to a filter grille 13 facilitates mounting of the baffle body 6 in the vacuum cleaner 2.
- the baffle body 6 is integrated with the filter grille 13.
- the filter grille 13 has a filter grille area, and the baffle body 6 covers approximately 5-50% of the filter grille area.
- FIG 3 shows a side view of the filter grille 13 comprising a baffle body 6 shown in Figure 2 .
- the baffle body 6 has an inner side 15, directed towards the passageway 9, and the inner side 15 may be provided with a sound absorbing material, adapted to absorb the emitted noise.
- the inner side 15 of the baffle body 6 and the front side 19 of the filter grille 13 are arranged at a distance D from each other.
- the distance D is preferably between 10-30 mm, and more preferably 15 mm.
- the baffle body 6 redirects the emitted noise partly in a direction towards an opposite filter grille edge 16, and partly back into the motor chamber 3.
- the present invention relates to a vacuum cleaner 2 comprising an arrangement 1 as described above, and as illustrated in Figure 1 .
- the vacuum cleaner 2 comprises a dust bag chamber 4, adapted to enclose a dust bag, and a motor chamber 3 comprising at least a motorized fan (not shown).
- the vacuum cleaner 2 further comprises an intake air passage opening 5, through which intake air is adapted to travel from the dust bag chamber 4 to the motor chamber 3.
- the chambers 3, 4 are integrated in the vacuum cleaner 2.
- the baffle body 6, being adapted to redirect the emitted noise, is arranged in the dust bag chamber 4 such that the baffle body 6 at least partly covers the intake air passage opening 5.
- the vacuum cleaner 2 being provided with such an arrangement provides an overall reduced noise level emitted from the vacuum cleaner 2, since the overall reduced noise level emitted from the vacuum cleaner 2, since the arrangement redirects the emitted noise such that less noise reaches the outside of the vacuum cleaner 2.
- the vacuum cleaner 2 comprises a partition wall 18 arranged between the dust bag chamber 4 and the motor chamber 3, the partition wall 18 comprising the intake air passage opening 5.
- the dust bag chamber 4 is adapted to comprise a dust bag (not shown).
- the filter grille 13 comprising the baffle body 6 is attached to the partition wall 18, the filter grille 13 is arranged such that the filter grille 13 essentially covers the intake air passage opening 5.
- the baffle body 6 is integrated with the filter grille 13.
- the baffle body 6 is attached to the partition wall 18, i.e. the baffle body 6 is attached directly to the partition wall 18 and a separate filter grille is arranged to essentially cover the intake air passage opening 5.
- the baffle body 6 is arranged such that it covers approximately 5-50% of the intake air passage opening 5. Consequently, the baffle body 6 then also partly covers the filter grille.
- the baffle body 6 is hollow and forms a passageway 9, through which passageway 9 the intake air is adapted to travel.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Suction Cleaners (AREA)
Description
- The present invention relates to an arrangement in a vacuum cleaner for reducing noise emitted from said vacuum cleaner, a filter grille comprised in such an arrangement, and a vacuum cleaner comprising such an arrangement according to the preambles of the independent claims.
- Elevated noise levels in general may be disturbing, cause annoyance and may sometimes create stress. For example, in an indoor environment, sound levels even as low as 40 dB(A), about as loud as a refrigerator, may be disturbing.
- An example of a home appliance which affects the sound levels in indoor environment, and which may generate noise levels which may be disturbing, is a vacuum cleaner. In vacuum cleaners, a source of noise is the fan and the motor. Commonly, the bag chamber comprising the dust bag and the fan and motor chamber, comprising a motorized fan, are connected via an intake air passage, such that intake air from the dust bag chamber may pass into the motor and fan chamber. In connection with the intake air passage a filter may be arranged, which is adapted to filter the intake air, and also function as a disaster filter protecting the motor if the dust bag would break.
- Furthermore, the motor chamber comprises an exhaust air outlet through which the exhaust air may travel out from the motor chamber to the ambient air outside the vacuum cleaner. A disadvantage with the intake air passage opening is that noise emitted from the motor and fan chamber may travel out through the intake and the filter, which may cause increased noise levels.
- An example of a bagged vacuum cleaner is disclosed in
EP 2374394 A1 , which shows a vacuum cleaner which has a holding grid, holding a motor protection filter, arranged between a dust chamber and motor chamber in a swivelable manner. A locking unit locks the holding grid in a swiveling position. The locking unit is arranged in an area in a hinged side of the holding grid. A resting nose and a recess serve as the locking unit for locking the holding grid, where the recess corresponds to the resting nose. The recess has a projection that is contactable by the resting nose. The projection protrudes over a surface, in which the recess is formed. - Document
JPH10211128 - Today, vacuum cleaners are often designed to be optimized from different points of view e.g. noise. However, since noise levels often are a concern in indoor environment, e.g. in households, the inventors of the present invention have identified a need for a vacuum cleaner which is further improved with respect to noise levels.
- Thus, an object of the present invention is to provide an arrangement for reducing the noise emitted from a vacuum cleaner, which arrangement is inexpensive, easy and straight forward to manufacture.
- A further object of the present invention is to provide a vacuum cleaner which provides an overall reduced noise level.
- The above-mentioned objects are achieved by the present invention according to the independent claims.
- Preferred embodiments are set forth in the dependent claims.
- The arrangement in a vacuum cleaner for reducing noise emitted from a motor chamber in said vacuum cleaner, in accordance with the present invention, comprises a dust bag chamber, adapted to enclose a dust bag, and a motor chamber, adapted to comprise at least a motorized fan. The arrangement further comprises an intake air passage opening arranged between said dust bag chamber and said motor chamber, through which intake air is adapted to travel from said dust bag chamber into said motor chamber. The dust bag chamber and said motor chamber being integrated in said vacuum cleaner. A baffle body, adapted to redirect said emitted noise, is arranged in said dust bag chamber such that said baffle body at least partly covers said intake air passage opening.
- In another aspect, the present invention relates to a filter grille for a vacuum cleaner comprised in an arrangement for reducing noise emitted from a motor chamber in said vacuum cleaner.
- In a further aspect, the present invention relates to a vacuum cleaner comprising an arrangement for reducing noise emitted from a motor chamber in said vacuum cleaner.
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Figure 1 shows a bagged vacuum cleaner comprising an arrangement for reducing noise emitted from a motor chamber in said vacuum cleaner, according to one embodiment of the present invention. -
Figure 2 shows a filter grille comprised in an arrangement for reducing noise emitted from a motor chamber in said vacuum cleaner, said filter grille comprising a baffle body, according to one embodiment of the present invention. -
Figure 3 shows a side view of the filter grille shown inFigure 2 , according to one embodiment of the present invention. -
Figure 4 shows a dust bag chamber and a filter grille covering an intake air passage in a partition wall arranged between the dust bag chamber and the motor chamber, according to one embodiment of the present invention. - Throughout the application, the word upper refers to the part located furthest away from a supporting surface, e.g. a floor, when the vacuum cleaner is placed horizontally on the floor (as shown in
Figure 1 ). The word lower refers to the part located closest to the supporting surface. -
Figure 1 shows a partially cutaway view, of thearrangement 1 in avacuum cleaner 2 for reducing noise emitted from amotor chamber 3 in thevacuum cleaner 2, according to one embodiment of the present invention. Thearrangement 1 comprises adust bag chamber 4, adapted to enclose a dust bag, and amotor chamber 3, adapted to comprise at least a motorized fan (not shown). An intakeair passage opening 5 is arranged between thedust bag chamber 4 and themotor chamber 3, through which intake air is adapted to travel from thedust bag chamber 4 into themotor chamber 3. Thedust bag chamber 4 and themotor chamber 3 are integrated in thevacuum cleaner 2. Abaffle body 6, adapted to redirect the emitted noise, is arranged in thedust bag chamber 4 such that thebaffle body 6 at least partly covers the intake air passage opening 5. Thebaffle body 6 is arranged such that it is adapted to redirect the emitted noise travelling through the air passage opening 5, and as a consequence, thebaffle body 6 reduces the propagation of sound waves in thevacuum cleaner 2. - In one embodiment, as shown in
Figure 1 , thebaffle body 6 is adapted to cover at least an upper portion 7 of the air passage opening 5. Thebaffle body 6 is adapted to redirect the noise partly in a direction towards a lower portion 8 of the air passage opening 5 and partly in a direction back into themotor chamber 3. Advantageously, redirecting the emitted noise prevents or at least reduces the propagation of sound waves in thevacuum cleaner 2, wherein the emitted noise from the vacuum cleaner is reduced. Approximately, the baffle body reduces the noise level emitted from the vacuum cleaner about 0,3-0,5 dB(A). - According to one embodiment, as illustrated in
Figure 1 , the air passage opening 5 has an area, and thebaffle body 6 covers approximately 5 - 50% of the area. The area is approximately 1300-4500 mm2. Furthermore, the intakeair passage opening 5 may have any shape, such as an elongated square-shape, or a circular shape, or any other suitable shape. - In one embodiment, as shown in
Figure 1 , thebaffle body 6 is hollow and forms apassageway 9, through whichpassageway 9 the intake air is adapted to travel. Thepassageway 9 ensures that the intake air may freely travel from thedust bag chamber 4 into the motor chamber. Furthermore, the sound waves are reflected inside the passageway, wherein the emitted noise is redirected, and advantageously reduces the noise level. Naturally, the intake air also travels through the intake air passage opening 5 through other portions of the opening 5 not being covered by thebaffle body 6. - According to one embodiment, as also shown in
Figure 1 , thebaffle body 6 is arranged such that it extends from anupper edge 10 of the air passage opening 5 and downwards in a direction towards an opposite lower portion 8 of the air passage opening 5. Thebaffle body 6 is preferably made from any hard plastic, or any other similar material, suitable for redirecting emitted sound. - In one embodiment, shown in
Figure 1 , thebaffle body 6 comprises anattachment portion 11 attached at least along theupper edge 10. Thebaffle body 6 may be detachable, or may be integrated with any other suitable feature, such as thepartition wall 18 between thedust bag chamber 4 and themotor chamber 3. Thebaffle body 6 is preferably tightly attached to thepartition wall 18 or afilter grille 13, such that emitted noise, at least partially, is restricted from entering thedust bag chamber 4. Advantageously, adetachable baffle body 6 provides more flexibility for the user and facilitates cleaning of the inside of thevacuum cleaner 2. - In one embodiment, as shown in
Figure 1 , thebaffle body 6 is provided with abend 12 and wherein a bending angle α of thebend 12 is approximately 10 - 90°. Thebent baffle body 6 reflects the sound waves in a desired direction, and thus redirects the emitted noise, wherein the noise level is reduced. - According to one embodiment, as shown in
Figure 1 , the bending angle α is approximately 90°. This is advantageous in that parts of the emitted noise, i.e. parts of the sound waves, is reflected back into the motor chamber and parts of the noise is reflected such that it is directed in a direction towards alower part 17 of thedust bag chamber 4. - According to one embodiment (see
Figure 3 ), thebaffle body 6 has aninner side 15, directed towards thepassageway 9, and wherein theinner side 15 is provided with a sound absorbing material (not shown). The material may be any sound absorbing plastic material, e.g. T-Plasztik Item number 30301 with 100% PES fibers. The thickness of the material is preferably 4 - 6 mm. The sound absorbing material is advantageous in that it reduces propagation of sound waves and thus further reduces the noise levels from thevacuum cleaner 2. - In another aspect, as shown in
Figure 2 , the present invention relates to afilter grille 13 for avacuum cleaner 2 comprised in anarrangement 1 as described above. In the embodiment shown inFigure 2 , thefilter grille 13 is adapted to be arranged in thedust bag chamber 4 such that it essentially covers the intakeair passage opening 5 arranged between thedust bag chamber 4 and themotor chamber 3. Thebaffle body 6 is attached to thefilter grille 13 along at least onefilter grille edge 14 of thefilter grille 13, such that thebaffle body 6, which is adapted to redirect the emitted noise, at least partly covers the intakeair passage opening 5. Thebaffle body 6 being attached to afilter grille 13 is advantageous in that aconventional filter grille 13, arranged in a conventional filter grille holder, may easily be changed into afilter grille 13 provided with abaffle body 6, according to the present invention. Thus, thebaffle body 6 being attached to afilter grille 13 facilitates mounting of thebaffle body 6 in thevacuum cleaner 2. - In the embodiment shown in
Figure 2 , thebaffle body 6 is integrated with thefilter grille 13. Thefilter grille 13 has a filter grille area, and thebaffle body 6 covers approximately 5-50% of the filter grille area. -
Figure 3 , shows a side view of thefilter grille 13 comprising abaffle body 6 shown inFigure 2 . As also mentioned above, thebaffle body 6 has aninner side 15, directed towards thepassageway 9, and theinner side 15 may be provided with a sound absorbing material, adapted to absorb the emitted noise. Thus, theinner side 15 of thebaffle body 6 and thefront side 19 of thefilter grille 13 are arranged at a distance D from each other. The distance D is preferably between 10-30 mm, and more preferably 15 mm. Thebaffle body 6 redirects the emitted noise partly in a direction towards an oppositefilter grille edge 16, and partly back into themotor chamber 3. - In a further aspect, the present invention relates to a
vacuum cleaner 2 comprising anarrangement 1 as described above, and as illustrated inFigure 1 . - In one embodiment, the
vacuum cleaner 2 comprises adust bag chamber 4, adapted to enclose a dust bag, and amotor chamber 3 comprising at least a motorized fan (not shown). Thevacuum cleaner 2 further comprises an intakeair passage opening 5, through which intake air is adapted to travel from thedust bag chamber 4 to themotor chamber 3. Thechambers vacuum cleaner 2. Thebaffle body 6, being adapted to redirect the emitted noise, is arranged in thedust bag chamber 4 such that thebaffle body 6 at least partly covers the intakeair passage opening 5. Thevacuum cleaner 2 being provided with such an arrangement provides an overall reduced noise level emitted from thevacuum cleaner 2, since the overall reduced noise level emitted from thevacuum cleaner 2, since the arrangement redirects the emitted noise such that less noise reaches the outside of thevacuum cleaner 2. - In one embodiment, as illustrated in
Figure 4 , thevacuum cleaner 2 comprises apartition wall 18 arranged between thedust bag chamber 4 and themotor chamber 3, thepartition wall 18 comprising the intakeair passage opening 5. Thedust bag chamber 4 is adapted to comprise a dust bag (not shown). - In the embodiment shown in
Figure 4 , thefilter grille 13 comprising thebaffle body 6 is attached to thepartition wall 18, thefilter grille 13 is arranged such that thefilter grille 13 essentially covers the intakeair passage opening 5. Thebaffle body 6 is integrated with thefilter grille 13. - In another embodiment, the
baffle body 6 is attached to thepartition wall 18, i.e. thebaffle body 6 is attached directly to thepartition wall 18 and a separate filter grille is arranged to essentially cover the intakeair passage opening 5. Thebaffle body 6 is arranged such that it covers approximately 5-50% of the intakeair passage opening 5. Consequently, thebaffle body 6 then also partly covers the filter grille. In a similar manner, as in the case where thebaffle body 6 is integrated with thefilter grille 13, thebaffle body 6 is hollow and forms apassageway 9, through whichpassageway 9 the intake air is adapted to travel.
Claims (14)
- Arrangement (1) in a vacuum cleaner (2) for reducing noise emitted from a motor chamber (3) in said vacuum cleaner (2), said arrangement comprising:- a dust bag chamber (4), adapted to enclose a dust bag;- a motor chamber (3), adapted to comprise at least a motorized fan;- an intake air passage opening (5) arranged between said dust bag (4) chamber and said motor chamber (3), through which intake air is adapted to travel from said dust bag chamber (4) into said motor chamber (3);said dust bag chamber (4) and said motor chamber (3) being integrated in said vacuum cleaner (2), characterised in the arrangement comprising a baffle body (6), adapted to redirect said emitted noise, is arranged in said dust bag chamber (4) such that said baffle body (6) at least partly covers said intake air passage opening (5) and is adapted to cover at least an upper portion (7) of said air passage opening (5).
- Arrangement according to claim 1, wherein said air passage opening (5) has an area, and wherein said baffle body (6) covers approximately 5-50 % of said area.
- Arrangement according to any of claims 1-2, wherein said baffle body (6) is hollow and forms a passageway (9), through which passageway (9) said intake air is adapted to travel.
- Arrangement according to any of claims 1-3, wherein said baffle body (6) is arranged such that it extends from an upper edge (10) of said air passage opening (5) and downwards in a direction towards an opposite lower portion (8) of said air passage opening (5).
- Arrangement according to claim 4, wherein said baffle body (6) comprises an attachment portion (11) attached at least along said upper edge (10).
- Arrangement according to any of claims 1-5, wherein said baffle body (6) is provided with a bend (12) and wherein a bending angle α of said bend is approximately 10-90°.
- Arrangement according to claim 6, wherein said bending angle α is approximately 90°.
- Arrangement according to any of claims 1-7, wherein said baffle body (6) has an inner side (15), directed towards said passageway (9), and wherein said inner side (15) is provided with a sound absorbing material.
- Filter grille (13) for vacuum cleaner (2), comprised in an arrangement (1) according to any of the preceding claims, said filter grille (13) being adapted to be arranged in said dust bag chamber (4) such that it essentially covers said intake air passage opening (5), arranged between said dust bag chamber (4) and said motor chamber (3), wherein said baffle body (6) is attached to said filter grille (13) along at least one filter grille edge (14) of said filter grille (13), such that said baffle body (6), being adapted to redirect said emitted noise, at least partly covers said intake air passage opening (5).
- Filter grille according to claim 9, wherein said baffle body (6) is integrated with said filter grille (13).
- Filter grille according to any of claims 9-10, wherein said filter grille (13) has a filter grille area, and wherein said baffle body (6) covers 5-50% of said filter grille area.
- Vacuum cleaner (2) comprising an arrangement according to claims 1-8, wherein said vacuum cleaner (2) comprises:- a dust bag chamber (4), adapted to enclose a dust bag;- a motor chamber (3) comprising at least a motorized fan;- an intake air passage opening (5), through which intake air is adapted to travel from said dust bag chamber (4) to said motor chamber (3), and wherein said chambers (3, 4) are integrated in said vacuum cleaner (2), wherein said baffle body (6), being adapted to redirect said emitted noise, is arranged in said dust bag chamber (4) such that said baffle body (6) at least partly covers said intake air passage opening (5).
- Vacuum cleaner according to claim 12, wherein said vacuum cleaner (2) comprises a partition wall (18) arranged between said dust bag chamber (4) and said motor chamber (3), said partition wall comprising said intake air passage opening (5), and wherein said baffle body (6) is attached to said partition wall.
- Vacuum cleaner according to claim 12, wherein said vacuum cleaner (2) comprises a filter grille (13) essentially covering said intake air passage opening (5) and wherein said baffle body (6) is integrated with said filter grille (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20156616.3A EP3682782B1 (en) | 2013-03-04 | 2013-03-04 | Arrangement in a vacuum cleaner for reducing noise emitted by the vacuum cleaner, vacuum cleaner comprising such an arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2013/054282 WO2014135192A1 (en) | 2013-03-04 | 2013-03-04 | Arrangement in a vacuum cleaner for reducing noise |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20156616.3A Division EP3682782B1 (en) | 2013-03-04 | 2013-03-04 | Arrangement in a vacuum cleaner for reducing noise emitted by the vacuum cleaner, vacuum cleaner comprising such an arrangement |
Publications (2)
Publication Number | Publication Date |
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EP2964066A1 EP2964066A1 (en) | 2016-01-13 |
EP2964066B1 true EP2964066B1 (en) | 2020-02-12 |
Family
ID=47833056
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20156616.3A Active EP3682782B1 (en) | 2013-03-04 | 2013-03-04 | Arrangement in a vacuum cleaner for reducing noise emitted by the vacuum cleaner, vacuum cleaner comprising such an arrangement |
EP13707851.5A Active EP2964066B1 (en) | 2013-03-04 | 2013-03-04 | Arrangement in a vacuum cleaner for reducing noise |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20156616.3A Active EP3682782B1 (en) | 2013-03-04 | 2013-03-04 | Arrangement in a vacuum cleaner for reducing noise emitted by the vacuum cleaner, vacuum cleaner comprising such an arrangement |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP3682782B1 (en) |
CN (1) | CN105007792B (en) |
WO (1) | WO2014135192A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017153277A1 (en) * | 2016-03-08 | 2017-09-14 | Arcelik Anonim Sirketi | A vacuum cleaner |
CN107280577B (en) | 2016-03-31 | 2020-11-03 | 康塔有限公司 | Vacuum cleaner with a vacuum cleaner head |
CN109171551A (en) * | 2018-08-17 | 2019-01-11 | 莱克电气股份有限公司 | Air duct assembly of dust collector |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4547927A (en) * | 1983-12-08 | 1985-10-22 | Shop-Vac Corporation | Compact vacuum cleaner |
JPH10211128A (en) * | 1997-01-30 | 1998-08-11 | Sanyo Electric Co Ltd | Vacuum cleaner |
CN1951302A (en) * | 2005-10-17 | 2007-04-25 | 乐金电子(天津)电器有限公司 | Dust collector of vacuum cleaner |
CN101999865A (en) * | 2009-09-02 | 2011-04-06 | 乐金电子(天津)电器有限公司 | Filtering system for dust collector |
EP2374394B1 (en) | 2010-04-06 | 2012-07-18 | Miele & Cie. KG | Vacuum cleaner with a holder grid for a motor protection filter |
JP2011250973A (en) * | 2010-06-02 | 2011-12-15 | Panasonic Corp | Vacuum cleaner |
CN203942385U (en) * | 2014-03-14 | 2014-11-12 | 江苏美的春花电器股份有限公司 | Motor cover and there is its dust catcher |
-
2013
- 2013-03-04 EP EP20156616.3A patent/EP3682782B1/en active Active
- 2013-03-04 EP EP13707851.5A patent/EP2964066B1/en active Active
- 2013-03-04 WO PCT/EP2013/054282 patent/WO2014135192A1/en active Application Filing
- 2013-03-04 CN CN201380074184.XA patent/CN105007792B/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
CN105007792B (en) | 2017-07-04 |
WO2014135192A1 (en) | 2014-09-12 |
EP2964066A1 (en) | 2016-01-13 |
CN105007792A (en) | 2015-10-28 |
EP3682782A1 (en) | 2020-07-22 |
EP3682782B1 (en) | 2023-01-25 |
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