CN115089047A - Household dust collector equipped with silencing cavity - Google Patents
Household dust collector equipped with silencing cavity Download PDFInfo
- Publication number
- CN115089047A CN115089047A CN202210210159.0A CN202210210159A CN115089047A CN 115089047 A CN115089047 A CN 115089047A CN 202210210159 A CN202210210159 A CN 202210210159A CN 115089047 A CN115089047 A CN 115089047A
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- China
- Prior art keywords
- sound
- absorbing element
- suction
- exhaust
- muffling chamber
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 title description 3
- 230000030279 gene silencing Effects 0.000 title description 2
- 230000001902 propagating effect Effects 0.000 claims abstract description 4
- 239000002699 waste material Substances 0.000 claims description 19
- 210000003462 vein Anatomy 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction 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
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
- A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Suction Cleaners (AREA)
Abstract
A household cleaner (2) comprises: a housing (3); a suction motor (16) for generating an air flow; an exhaust circuit (18) comprising at least one exhaust opening (19) arranged on the casing (3), through which exhaust opening (19) the air flow generated by the suction engine (16) is exhausted outside the household cleaner (2), and an exhaust duct (21) fluidly connecting the air outlet (17) of the suction device (12) to the at least one exhaust opening (19), said exhaust circuit (18) comprising a sound-absorbing chamber (22) and a sound-absorbing element (24) separating the sound-absorbing chamber (22) from the exhaust duct (21), said sound-absorbing element (24) and sound-absorbing chamber (22) being configured such that a portion of the sound waves coming from the suction device (12) and propagating in the exhaust duct (21) passes through the sound-absorbing element (24) and penetrates into the sound-absorbing chamber (22).
Description
Technical Field
The present invention relates to the field of household cleaners which allow to suck away dust and dirt on a surface to be cleaned, which may be for example a tile, a floor, a laminate, a carpet or a mat.
Background
A household cleaner, in particular a ski cleaner, comprising, in a known manner:
a housing including a garbage collection chamber and an engine chamber partitioned by a partition wall provided with a communication hole, a suction sleeve disposed on the housing, through which air carrying garbage can be sucked into the housing,
a suction device housed in the engine compartment of the outer casing, the suction device comprising an air inlet fluidly connected to the suction sleeve, an engine hood delimiting the inner casing, a suction engine arranged in the inner casing and configured to generate an air flow through the suction sleeve and the air inlet, and an air outlet, and
an exhaust circuit comprising at least one exhaust port provided on the housing and through which the airflow generated by the suction motor is exhausted to the exterior of the domestic cleaner, and an exhaust duct fluidly connecting the air outlet of the suction device to the at least one exhaust port.
When such a household cleaner is in operation, the suction device generates sound waves which propagate, in particular, in the exhaust circuit and cause noise and vibrations which are liable to disturb the user.
Disclosure of Invention
The present invention aims to overcome all or part of these disadvantages.
The technical problem on which the present invention is based consists in particular in providing a household cleaner which is structurally simple and economical, while significantly limiting the noise and vibrations generated by the household cleaner.
To this end, the invention relates to a household cleaner comprising:
the outer shell is provided with a plurality of grooves,
a suction sleeve arranged on the housing, through which air carrying the waste can be sucked into the housing,
a suction device housed in the engine compartment of the outer casing, the suction device comprising an air inlet fluidly connected to the suction sleeve, an engine hood delimiting the inner casing, a suction engine arranged in the inner casing and configured to generate an air flow through the suction sleeve and the air inlet, and an air outlet,
an exhaust circuit including at least one exhaust port provided on the housing and through which an air flow generated by the suction motor is exhausted to an outside of the household cleaner, and an exhaust duct fluidly connecting an air outlet of the suction device to the at least one exhaust port.
The exhaust circuit comprises a sound-absorbing chamber opening into the exhaust duct, and a sound-absorbing element made of a porous material and configured to separate the sound-absorbing chamber from the exhaust duct, the sound-absorbing element and the sound-absorbing chamber being configured such that, when the domestic vacuum cleaner is in operation, at least a part of the sound waves coming from the suction device and propagating in the exhaust duct pass through the sound-absorbing element and into the sound-absorbing chamber.
In the present invention, the porous material means a material having porosity to air.
This configuration of the exhaust circuit, and in particular of the acoustic path within the exhaust circuit, allows to significantly reduce the energy of the acoustic waves generated by the suction means, and thus the noise generated by the household cleaner, in a passive manner and without compromising the pneumatic performance of the household cleaner.
The domestic cleaner may also have one or more of the following features, alone or in combination.
According to one embodiment of the invention, the sound-absorbing element and the muffling chamber are configured such that sound waves penetrating into the muffling chamber are reflected on at least one inner wall of the muffling chamber and such that at least a part of the sound waves reflected on the at least one inner wall of the muffling chamber again pass through the sound-absorbing element and again into the exhaust duct. This reflection of the sound waves within the muffling cavity results in the destruction of some of the sound waves and a reduction in the amplitude (amplitude) of some of the sound waves. Furthermore, the fact that at least a part of the sound waves reflected on at least one inner wall of the muffling chamber again pass through the sound-absorbing element and again into the exhaust duct allows to intensify the reduction of the spectral amplitude of the sound waves. In particular, the exhaust circuit of the household cleaner according to the present invention allows to attenuate the amplitude of the sound waves over a wide frequency band.
According to one embodiment of the invention, the sound-absorbing element is made of a porous material having cavities, preferably open cavities.
According to one embodiment of the invention, the sound-absorbing element is acoustically porous and is advantageously made of an acoustically porous material.
According to one embodiment of the invention, the sound-absorbing element is an acoustic foam.
According to one embodiment of the invention, the sound-absorbing element is located in the exhaust duct. The sound-absorbing element can extend over part of the width of the exhaust-gas duct cross section or over the entire width of the exhaust-gas duct cross section. Advantageously, the sound-absorbing element extends over only part of the width of the exhaust-gas duct cross section, and preferably over approximately half of the width of the exhaust-gas duct cross section.
According to one embodiment of the invention, the sound-absorbing chamber comprises a passage opening into the exhaust duct, the sound-absorbing element covering the passage opening. Advantageously, the passage opening is closed by the sound-absorbing element.
According to one embodiment of the invention, the housing contains a waste collection compartment upstream of the suction device, the waste collection compartment and the engine compartment being separated by a partition wall provided with communication holes.
According to one embodiment of the invention, the domestic cleaner further comprises a waste collection device arranged in the waste collection chamber and configured to retain waste conveyed by the airflow.
According to one embodiment of the invention, the waste collection device is a waste collection bag or a waste separation and collection device, for example of the cyclone type.
According to one embodiment of the invention, the sound-absorbing element comprises a first surface oriented towards the sound-absorbing chamber and a second surface opposite the first surface, the exhaust duct comprising air veins (veine) partially delimited by the second surface of the sound-absorbing element for circulating at least a portion of the air flow therein.
According to one embodiment of the invention, the air vein extends substantially parallel to the second surface of the sound-absorbing element.
According to one embodiment of the invention, the first and second surfaces of the sound-absorbing element are substantially parallel.
According to one embodiment of the invention, the sound-absorbing element is a parallelepiped.
According to one embodiment of the invention, the sound-absorbing element extends substantially vertically when the domestic vacuum cleaner rests on a horizontal surface, for example with a plurality of wheels thereof.
According to one embodiment of the invention, the suction engine has an engine axis intersecting the sound-absorbing element. Advantageously, the engine axis intersects the muffling chamber.
According to one embodiment of the invention, the engine axis extends substantially horizontally when the domestic cleaner is resting on a horizontal surface, for example with a plurality of wheels thereof.
According to one embodiment of the invention, the exhaust circuit further comprises a filter element arranged in the exhaust duct upstream, e.g. directly upstream, of the at least one exhaust opening and configured to filter the airflow flowing through the exhaust duct.
According to one embodiment of the invention, the exhaust circuit further comprises a flow-guiding element partially delimiting the exhaust duct and arranged downstream of the sound-absorbing element, the flow-guiding element being configured to direct the airflow towards the at least one exhaust opening.
According to one embodiment of the invention, the flow guiding element comprises a curved and concave flow guiding surface.
According to one embodiment of the invention, the flow guiding element comprises a plurality of flow guiding fins arranged in the exhaust duct and extending substantially parallel to each other. Advantageously, each guide fin extends from the guide surface.
According to one embodiment of the invention, the exhaust circuit comprises an additional sound-absorbing element, for example porous, against which the flow-guiding element bears.
According to one embodiment of the invention, each guide fin comprises a longitudinal edge which abuts against the additional sound-absorbing element.
According to one embodiment of the invention, the filter element is arranged between the flow-guiding element and the at least one air outlet.
According to one embodiment of the invention, the at least one exhaust port opens into an upper outer surface of the housing.
According to one embodiment of the invention, the air outlet is provided in the lower part of the engine cover.
According to one embodiment of the invention, the suction sleeve is arranged in the front part of the housing.
According to one embodiment of the invention, the muffling chamber is arranged in the housing, for example in the rear part of the housing.
According to one embodiment of the invention, the sound-absorbing element is located behind the suction device, for example behind the suction engine.
According to one embodiment of the invention, the at least one exhaust port is located above the suction device, for example above the suction engine.
According to one embodiment of the invention, the household cleaner comprises a holding device configured to hold the sound-absorbing element in place in the exhaust duct.
According to one embodiment of the invention, the passage opening of the muffling chamber is oriented towards the suction engine. This configuration of the muffling chamber allows to further reduce the noise generated by the household cleaner.
According to one embodiment of the invention, the muffling chamber has a central axis substantially parallel to the engine axis. This configuration of the muffling chamber allows to further reduce the noise generated by the household cleaner.
According to one embodiment of the invention, the sound-absorbing element extends partially inside the sound-damping chamber. In this case, the part of the sound-absorbing element which extends partially inside the muffling chamber does not extend to the bottom of the muffling chamber and is at a distance from the bottom of the muffling chamber in order to preserve the empty volume in the muffling chamber.
According to one embodiment of the invention, the domestic cleaner is a ski cleaner.
Drawings
The invention will be better understood from the following description with reference to the accompanying drawings, which show, by way of non-limiting example, two embodiments of the vacuum cleaner.
Fig. 1 is a longitudinal sectional view of a home cleaner according to the present invention.
Fig. 2 is a longitudinal sectional view of the home cleaner of fig. 1, showing an air flow path in the home cleaner and a sound wave path in the home cleaner.
Detailed Description
Fig. 1 and 2 show a household cleaner 2, for example a ski-type cleaner, which comprises, in particular, a casing 3, i.e. a cleaner body, which casing 3 comprises, in a known manner, a waste collection chamber 4 and, downstream of the waste collection chamber 4, an engine chamber 5. The refuse collection chamber 4 and the engine chamber 5 are partitioned by a partition wall 6 provided with a communication hole 7. The waste collection chamber 4 is intended to receive waste collection means (not shown in the figures), such as a waste collection bag or a waste separation and collection device, for example of the cyclone type, allowing the sucked waste to be retained in the housing 3.
The domestic cleaner 2 further comprises a suction sleeve 8 arranged in the front of the housing 3, through which suction sleeve 8 dirt-laden air is sucked into the housing 3.
The housing 3 is advantageously equipped with a plurality of wheels 11 to secure the movement of the household cleaner 2.
The household cleaner 2 may further comprise a flexible hose (not shown in the figures), preferably detachably connected to the suction sleeve 8, and a suction attachment (not shown in the figures), such as a rigid telescopic tube comprising a first end fluidly connected to the flexible tube and a second end fluidly connected to a suction head (not shown in the figures).
The household cleaner 2 further comprises a suction device 12 housed in the engine compartment 5. The suction device 12 comprises a hood 13 delimiting an inner shell 14. According to the embodiment shown in the figures, the bonnet 13 comprises a front fairing 13.1 and a rear fairing 13.2 assembled to each other, for example by means of screw or snap fastening.
The suction device 12 further comprises an air intake 15 in fluid connection with the suction sleeve 8, and a suction motor 16, also called motor-fan, which suction motor 16 is placed in the inner casing 14 of the bonnet 13 and is configured to generate an air flow through the suction sleeve 8 and the air intake 15. In a known manner, the suction motor 16 comprises a fan and an electric motor configured to drive the fan in rotation.
According to the embodiment shown in the figures, the suction motor 16 has a motor axis a which extends substantially horizontally when the household cleaner 2 rests on a horizontal surface with its plurality of wheels 11.
The suction device 12 further comprises an air outlet 17 through which the air flow will leave the suction device 12. The air outlet 17 may be provided, for example, in a lower portion of the engine hood 13.
The domestic cleaner 2 further comprises an exhaust circuit 18, the exhaust circuit 18 comprising an exhaust opening 19 into an upper outer surface of the housing 3, and the airflow generated by the suction motor 16 being exhausted outside the domestic cleaner 2 through the exhaust opening 19.
The exhaust circuit 18 further comprises an exhaust duct 21 fluidly connecting the air outlet 17 of the suction device 12 to the exhaust port 19.
The exhaust circuit 18 also contains an anechoic chamber 22, also referred to as an inner chamber, which contains a passage opening 23 into the exhaust duct 21. Advantageously, the passage opening 23 is oriented towards the suction engine 16. The muffling chamber 22 further comprises a bottom wall 22.1 opposite the passage opening 23 and a side wall 22.2 extending from the bottom wall 22.1.
Advantageously, the muffling chamber 22 is arranged in the rear portion of the casing 3, the engine axis a intersecting the muffling chamber 22. According to the embodiment shown in the figures, the muffling chamber 22 has a central axis B substantially parallel to the engine axis a.
The exhaust circuit 18 further comprises a sound-absorbing element 24, the sound-absorbing element 24 being located within the exhaust duct 21 and being configured to separate the muffling chamber 22 from the exhaust duct 21. The sound-absorbing element 24 is more particularly configured to cover and close the passage opening 23.
The sound-absorbing element 24 is made of a porous material, for example a porous material with open cavities, more particularly an acoustically porous material. The sound-absorbing element 24 is, for example, an acoustic foam. Advantageously, the sound-absorbing element 24 has a thickness of 5 to 40 mm. Advantageously, the sound-absorbing element 24 extends only over a portion of the width of the section of the exhaust duct 21.
According to the embodiment shown in the figures, the sound-absorbing element 24 is parallelepiped and comprises a first surface 24.1 oriented towards the muffling chamber 22 and a second surface 24.2 opposite the first surface 24.1 and oriented towards the suction means 12. The first and second surfaces 24.1, 24.2 of the sound-absorbing element 24 are substantially parallel.
According to the embodiment shown in the figures, when the household cleaner 2 rests on a horizontal surface with its plurality of wheels 11, the sound-absorbing element 24 extends substantially vertically, and the sound-absorbing element 24 is located at the rear of the suction engine 16, more particularly arranged between the engine hood 13 and the muffling chamber 22. Advantageously, the engine axis a intersects the sound-absorbing element 24.
The household cleaner 2 comprises a holding device 25, the holding device 25 being configured to hold the sound-absorbing element 24 in place in the exhaust duct 21. The retaining means 25 may for example comprise a plurality of retaining lugs spaced apart from each other to allow the airflow to flow through the exhaust duct 21.
According to the embodiment shown in the figures, the exhaust duct 21 comprises a gas vein 26, which gas vein 26 is partially delimited by the second surface 24.2 of the sound-absorbing element 24 and in which the gas flow circulates. Advantageously, the air vein 26 extends substantially parallel to the second surface 24.2 of the sound-absorbing element 24 and is also delimited in part by the bonnet 13.
The exhaust circuit 18 further comprises a filter element 27, which filter element 27 is arranged in the exhaust duct 21 upstream of the exhaust opening 19, for example directly upstream of the exhaust opening 19, and is configured to filter the gas flow flowing through the exhaust duct 21.
The exhaust circuit 18 further comprises a flow-guiding element 28, which flow-guiding element 28 partially delimits the exhaust duct 21 and is arranged downstream of the sound-absorbing element 24. The flow guide element 28 is configured to guide the air flow towards the filter element 27. Advantageously, the filter element 27 is arranged between the flow-guiding element 28 and the exhaust opening 19.
According to the embodiment shown in the figures, the flow guiding element 28 comprises a curved and concave flow guiding surface 28.1 and a plurality of flow guiding fins 28.2 extending from the flow guiding surface 28.1 and arranged in the exhaust duct 21. Advantageously, the guide fins 28.2 extend substantially parallel to one another.
According to the embodiment shown in the figures, the exhaust circuit 18 comprises an additional sound-absorbing element 29, which additional sound-absorbing element 29 is arranged in the exhaust duct 21 and against which additional sound-absorbing element 29 the lower longitudinal edges of the guide fins 28.2 abut. Advantageously, the additional sound-absorbing element 29 is porous and is, for example, an acoustic foam.
The operation of the household cleaner 2 will now be described. When the suction motor 16 is powered, it establishes a low pressure, in particular in the waste collection device, so that an air flow comprising waste is sucked in through the suction sleeve 8.
The air flow then flows through the communication hole 7 and the air inlet 15 of the suction device 12 in this order.
The gas flow then flows through the gas outlet 17 and along the gas discharge line 21, in particular in the gas vein 26 and through the flow-guiding element 28 and the filter element 27, and then escapes in the direction of the gas discharge opening 19.
During operation of the domestic cleaner 2, the suction motor 16 generates sound waves which propagate in the exhaust duct 21. The sound-absorbing element 24 and the muffling chamber 22 are configured such that:
at least a part of the sound waves propagating in the exhaust duct 21 pass through the sound-absorbing element 24 and into the muffling chamber 22,
the sound wave having passed into the muffling chamber 22 is reflected on at least one inner wall of the muffling chamber 22, and
at least a part of the sound waves reflected on at least one inner wall of the muffling chamber 22 pass again through the sound-absorbing element 24 and again into the exhaust duct 21.
This configuration of the exhaust circuit 18, and in particular of the acoustic path within the exhaust circuit 18, allows to significantly reduce the energy of the acoustic waves generated by the suction device 12, and thus the noise generated by the household cleaner 2, in a passive manner and without compromising the aerodynamic performance of the household cleaner 2.
Furthermore, the reflection of the sound waves within the muffling chamber 22 results in a reduction of the amplitude of some of the sound waves, and the fact that at least a part of the sound waves reflected in the muffling chamber 22 again pass through the sound-absorbing element 24 and again into the exhaust duct 21 allows to intensify the reduction of the spectral amplitude of the sound waves.
The invention is of course in no way limited to the described and illustrated embodiments which are given by way of example only. Modifications are still possible, in particular from the point of view of the composition of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.
In the embodiment shown in the figures, the sound-absorbing element 24 is arranged completely outside the muffling chamber 22. The sound-absorbing element 24 may in a variant embodiment extend partly inside the muffling chamber 22, while remaining within the scope of protection of the present invention. In this case, the part of the sound-absorbing element which extends partly inside the muffling chamber does not extend to the bottom of the muffling chamber and is at a distance from the bottom of the muffling chamber to leave an empty volume between the bottom of the muffling chamber and the sound-absorbing element.
Claims (10)
1. A household vacuum cleaner (2) comprising:
a shell (3) which is provided with a plurality of grooves,
a suction sleeve (8) arranged on the housing (3), through which suction sleeve (8) air carrying the waste can be sucked into the housing (3),
a suction device (12) housed in the engine compartment (5) of the outer casing (3), the suction device (12) comprising an air inlet (15) fluidly connected to the suction sleeve (8), an engine hood (13) delimiting the inner casing (14), a suction engine (16) arranged in the inner casing (14) and configured to generate an air flow through the suction sleeve (8) and the air inlet (15), and an air outlet (17),
an exhaust circuit (18) comprising at least one exhaust opening (19) provided on the casing (3) and through which the air flow generated by the suction motor (16) is exhausted outside the household cleaner (2), and an exhaust duct (21) fluidly connecting the air outlet (17) of the suction device (12) to the at least one exhaust opening (19),
characterized in that said exhaust circuit (18) comprises an muffling chamber (22) opening into the exhaust duct (21), and a sound-absorbing element (24) made of porous material and configured to separate the muffling chamber (22) from the exhaust duct (21), said sound-absorbing element (24) and said muffling chamber (22) being configured such that, when the household cleaner (2) is in operation, at least part of the sound waves coming from the suction means (12) and propagating in the exhaust duct (21) pass through the sound-absorbing element (24) and penetrate into the muffling chamber (22).
2. A household vacuum cleaner (2) as claimed in claim 1, wherein the sound-absorbing element (24) and the muffling chamber (22) are configured such that sound waves penetrating into the muffling chamber (22) are reflected on at least one inner wall of the muffling chamber (22) and such that at least a part of the sound waves reflected on the at least one inner wall of the muffling chamber (22) again pass through the sound-absorbing element (24) and again penetrate into the exhaust duct (21).
3. A household vacuum cleaner (2) as claimed in claim 1 or 2, wherein the sound-absorbing element (24) is an acoustic foam.
4. A household vacuum cleaner (2) as claimed in any one of claims 1 to 3, wherein the sound-absorbing element (24) is located in the exhaust duct (21).
5. A household vacuum cleaner (2) as claimed in any one of claims 1 to 4, wherein the muffling chamber (22) comprises a passage opening (23) into the exhaust duct (21), the sound-absorbing element (24) covering the passage opening (23).
6. A household vacuum cleaner (2) as claimed in any one of claims 1 to 5, wherein the muffling chamber (22) is arranged in the housing (3).
7. A household vacuum cleaner (2) as claimed in any one of claims 1 to 6, wherein the sound-absorbing element is located at the rear of the suction device (12).
8. A household vacuum cleaner (2) as claimed in any one of claims 1 to 7, wherein the sound-absorbing element (24) comprises a first surface (24.1) oriented towards the muffling chamber (22) and a second surface (24.2) opposite the first surface (24.1), the exhaust circuit (18) comprising an air vein (26) partially delimited by the second surface (24.2) of the sound-absorbing element (24) for circulating an air flow in the air vein (26).
9. A household vacuum cleaner (2) as claimed in claim 8, wherein the air vein (26) extends substantially parallel to the second surface (24.2) of the sound-absorbing element (24).
10. A household vacuum cleaner (2) as claimed in any one of claims 1 to 9, wherein the suction engine (16) has an engine axis (a) intersecting the sound-absorbing element (24).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2102224A FR3120296B1 (en) | 2021-03-08 | 2021-03-08 | Household vacuum cleaner equipped with a sound attenuation cavity |
| FR2102224 | 2021-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115089047A true CN115089047A (en) | 2022-09-23 |
Family
ID=75850313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210210159.0A Pending CN115089047A (en) | 2021-03-08 | 2022-03-04 | Household dust collector equipped with silencing cavity |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4056087B1 (en) |
| CN (1) | CN115089047A (en) |
| FR (1) | FR3120296B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3143309A1 (en) * | 2022-12-16 | 2024-06-21 | Seb S.A. | Suction device for domestic vacuum cleaner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2944749A1 (en) * | 1979-11-06 | 1981-05-14 | Rommag P. Wörwag & Co., Romanshorn | VACUUM CLEANER |
| JPH03272721A (en) * | 1990-03-20 | 1991-12-04 | Matsushita Electric Ind Co Ltd | Vacuum cleaner |
| DE10247550A1 (en) * | 2002-10-11 | 2004-04-22 | Werner, Jürgen | Radial fan for leaf and waste vacuum, leaf blower or Laubladegeräte |
| FR2906449B1 (en) * | 2006-09-29 | 2008-11-07 | Seb Sa | VACUUM EQUIPPED WITH A NOISE MITIGATION DEVICE |
| FR2967882B1 (en) * | 2010-11-25 | 2013-08-23 | Seb Sa | PRINCIPAL VACUUM BODY |
| DE102018118776A1 (en) * | 2018-08-02 | 2020-02-06 | Miele & Cie. Kg | vacuum cleaner |
-
2021
- 2021-03-08 FR FR2102224A patent/FR3120296B1/en active Active
-
2022
- 2022-03-02 EP EP22159745.3A patent/EP4056087B1/en active Active
- 2022-03-04 CN CN202210210159.0A patent/CN115089047A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP4056087A1 (en) | 2022-09-14 |
| EP4056087C0 (en) | 2023-12-13 |
| FR3120296B1 (en) | 2023-02-10 |
| EP4056087B1 (en) | 2023-12-13 |
| FR3120296A1 (en) | 2022-09-09 |
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