WO2016113195A1 - Appareil de nettoyage et procédé de réduction du bruit sur un appareil de nettoyage - Google Patents

Appareil de nettoyage et procédé de réduction du bruit sur un appareil de nettoyage Download PDF

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Publication number
WO2016113195A1
WO2016113195A1 PCT/EP2016/050277 EP2016050277W WO2016113195A1 WO 2016113195 A1 WO2016113195 A1 WO 2016113195A1 EP 2016050277 W EP2016050277 W EP 2016050277W WO 2016113195 A1 WO2016113195 A1 WO 2016113195A1
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WO
WIPO (PCT)
Prior art keywords
cleaning device
perforated plate
wall
noise source
chamber
Prior art date
Application number
PCT/EP2016/050277
Other languages
German (de)
English (en)
Inventor
Florian EBERT
Felix BENSING
Simon Jetter
Gabór PEFLOF
Dominik Scholl
Original Assignee
Alfred Kärcher Gmbh & Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kärcher Gmbh & Co. Kg filed Critical Alfred Kärcher Gmbh & Co. Kg
Publication of WO2016113195A1 publication Critical patent/WO2016113195A1/fr

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Classifications

    • 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
    • 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
    • A47L9/20—Means for cleaning filters

Definitions

  • the present application claims priority of German Application No. 10 2015 100 426.7 of January 13, 2015. The content of said German patent application is incorporated by reference in its entirety and for all purposes.
  • the invention relates to a cleaning device comprising at least one noise source with a noise emission in a frequency range below 2000 Hz.
  • the invention relates to a method for noise reduction in a cleaning device, which has a noise source that generates noise in a frequency range below 2000 Hz.
  • a silencer device for a vacuum cleaner which comprises a plurality of elongate tubes.
  • an electric fan and an electric vacuum cleaner with a corresponding fan is known in which a motor is arranged in a soundproof housing. There is provided an exhaust passage, are arranged on which sound-absorbing materials. A sound absorbing material is disposed on a film or a porous plate.
  • EP 1 303 209 B1 is a suction device with noise reduction means in one or more air flow channels for reducing the noise emission from an air flow generator or The like is known, wherein at least one air flow channel is provided with a plurality of depressions, which are arranged one behind the other in the direction of the air flow, wherein the depressions have a predetermined depth, which extend substantially perpendicular to the general direction of the noise in the channel.
  • the recesses are formed by providing on at least one side of the flow channel protruding wall parts, which wall parts are integrally formed in housing parts of the suction device, which define the air flow channel.
  • a sound-absorbing glass component or transparent plastic glass component is known.
  • a cleaning device which has a pump and a suction unit, wherein the pump and the
  • Suction unit are held in a separate housing which is insertable in the form of a slot in a frame of the cleaning device.
  • the invention has for its object to provide a cleaning device of the type mentioned, in which with respect to noise in a frequency range below 2000 Hz effective noise reduction is achieved.
  • At least one perforated plate resonator provided is, which is associated with the at least one noise source, wherein the at least one perforated plate resonator comprises a chamber having a chamber space and a chamber wall and at least one perforated plate which covers the chamber space, and wherein the at least one perforated plate is acoustically connected to the at least one noise source.
  • a perforated plate resonator (perforated plate absorber) has a resonator space over the chamber space, which is bounded on one side in particular by a perforated plate.
  • sound absorption takes place on a perforated plate resonator by the friction of an oscillating air column at an opening wall of holes of the at least one perforated plate of the perforated plate resonator.
  • the at least one perforated plate is a plate which is provided with a plurality of openings. This is acoustically connected to the at least one noise source, that is, sound waves of the noise source propagate in the direction of the perforated plate. Sound absorption with effective noise reduction can then be achieved at the perforated plate resonator.
  • the chamber may have one or more subspaces. It has been found that, for example, noise in a vacuum cleaner, which are generated by a filter cleaning over external air, can be attenuated so that a noise reduction in the maximum level of more than 2.5 dB and in particular of about 5 dB or more can be achieved.
  • a perforated plate resonator is in particular determined by its resonance frequency (center frequency), the geometric dimensions of the chamber space, the geometric dimensions of the openings in the perforated plate, and the arrangement of the openings on the perforated plate, in particular via the ratio of the area of an opening on the perforated plate to the total area of the perforated plate.
  • the specified frequency range for the noise emission does not mean that noises are emitted only in this frequency range. There may also be higher-frequency noise.
  • the at least one perforated plate resonator is used to attenuate the low-frequency noise below 2000 Hz. Other means may be provided for attenuating higher-frequency noises.
  • the at least one perforated plate is arranged on the chamber wall and in particular a (lateral) wall of the chamber wall is supported on the perforated plate.
  • a perforated plate resonator as a type of box, which can be positioned in a simple manner on a cleaning device such as, for example, a vacuum cleaner.
  • the at least one perforated plate of the at least one perforated plate resonator has a first side which faces the chamber space and has a second side which lies opposite the first side, wherein a plurality of openings is provided in the at least one perforated plate which are continuous between the first page and the second page. This can be an effective
  • the first side and / or the second side are flat.
  • a corresponding perforated plate can be produced in a simple manner.
  • the first side and the second side are parallel to each other.
  • the openings on the first side open into the chamber space and are facing on the second side of the at least one noise source. It can thereby penetrate sound into the chamber space to effect an effective sound absorption.
  • the openings on the second side open into a channel which is acoustically connected to the at least one noise source. Due to the friction of an oscillating air column at an opening wall of a hole of the at least one perforated plate, an effective sound absorption can take place.
  • At least one sound-conducting channel which leads from the at least one noise source to the at least one perforated plate. It can then be derived from a sound source of sound to effect effective absorption.
  • the at least one perforated plate resonator can be arranged optimally on a cleaning device and, in particular, also at a distance from the at least one
  • the at least one perforated plate forms a housing, within which the at least one noise source is arranged.
  • This can achieve a "large-scale” noise reduction.
  • sound propagation from the at least one noise source can achieve effective noise reduction on all sides.
  • the chamber wall of the at least one perforated plate resonator at least partially forms a housing wall of the cleaning device. This results in a maschineminimierender structure of the cleaning device.
  • the chamber wall has a cover wall which faces the at least one perforated plate, and has a (Lateral-) wall, which lies between the top wall and the at least one perforated plate.
  • the (lateral) wall forms side walls which laterally surround the chamber space.
  • the at least one perforated plate and the top wall are aligned in parallel.
  • a corresponding perforated plate resonator can also be calculated in a simple manner with regard to its sound absorption properties. For the same reason, it is favorable if the chamber space a
  • the chamber wall comprises a first transverse wall, a second transverse wall, a first longitudinal wall, a second longitudinal wall and a top wall, wherein the first
  • the corresponding perforated plate resonator has a box shape. Such a perforated plate resonator can be easily accommodated on a cleaning device. For the same reason, it is favorable if the first transverse wall and the second transverse wall are oriented in parallel and / or the first longitudinal wall and the second longitudinal wall are oriented in parallel. It can thereby realize a perforated plate resonator, which has a cuboid chamber space.
  • the absorption properties of a perforated plate resonator can be easily calculated in such a design. This in turn allows a simple adaptation to given conditions in a cleaning device and in particular a frequency adjustment in a simple manner. It is advantageous if the chamber wall is at least partially made of a reverberant material.
  • a reverberant material is understood to mean a material with a reflectance of at least 94%. A reverberant material has a low sound absorption. It is then provided for an effective noise reduction.
  • a sound absorption material such as mineral fiber wool is arranged in the chamber space. This results in a more effective sound absorption.
  • the at least one noise source has a low-frequency noise emission, and a noise emission in a frequency range below 1000 Hz or less.
  • an external air valve device for cleaning a filter device of a vacuum cleaner generates noises with a frequency below 1000 Hz, for example at approximately 700 Hz.
  • the at least one noise source produces blast noises, that is to say generates noises with a relatively short duration, for example of 50 ms or less.
  • a perforated plate resonator which is assigned to such a noise source, can effectively dampen pops.
  • the at least one perforated plate resonator with respect to its geometric dimensions and arrangement and formation of openings in the at least one perforated plate with respect to the at least one noise source is dimensioned so that through the at least one perforated plate resonator, a noise reduction in the maximum level of at least 2.5 dB he follows.
  • the at least one noise source generates, for example, bang noise due to a pressure change, wherein the pressure change is in particular greater than 50 mbar, and generates the pressure change, in particular in a period of less than 0.05 s.
  • the cleaning device is designed as a vacuum cleaner.
  • the vacuum cleaner (in particular vacuum cleaner) comprises, for example, a suction unit, a dirt collecting container and a filter device, wherein the dirt collecting container is in flow connection with the suction unit via the filter device.
  • the sucker also has a cleaning device for the filter device, wherein the at least one perforated plate resonator is assigned to the cleaning device.
  • the cleaning device comprises an external air valve device.
  • the external air causes a sudden pressure change, which leads to filter cleaning. This sudden pressure change also causes blasts of noise.
  • an effective noise reduction is achieved with respect to such bang noises.
  • the at least one perforated plate resonator with the at least one perforated plate is in this case arranged opposite the cleaning device, in particular, wherein in particular a sound-conducting channel is arranged between the discharge device and the cleaning device. cleaning device and the at least one perforated plate is arranged. This achieves effective noise reduction.
  • a dispensing device for a cleaning fluid which comprises at least one pump, wherein the at least one perforated plate resonator is associated with the at least one pump.
  • the pump can be a source of low-frequency noise. Over the at least one perforated plate resonator, an effective noise reduction can be achieved.
  • a cleaning device is for example a high-pressure cleaner or a steam cleaner.
  • the at least one perforated plate houses the at least one pump. It can thereby achieve an all-round sound absorption by the at least one perforated plate resonator.
  • a perforated plate resonator is used for noise reduction on a cleaning device, wherein the cleaning device comprises at least one noise source that generates noise in a frequency range below 2000 Hz (and in particular of 1000 Hz or less).
  • Figure 1 is a schematic sectional view of an embodiment of a (dust) teat as an example of a cleaning device; an enlarged view of an external air valve device of the nipple according to Figure 1; a partial perspective view of the teat according to Figure 1 with a perforated plate resonator; a sectional view of the perforated plate resonator according to Figure 3; and a schematic sectional view of an embodiment of a high-pressure cleaner as an example of a clean ing device.
  • FIG. 1 An embodiment of a (dust) vacuum cleaner 10 as an example of a cleaning device, which is shown schematically in Figure 1 in a sectional view, has a dirt collecting container 12, on which a suction head 14 is placed.
  • the vacuum cleaner 10 is an example of a vacuum cleaner and designed as a stand-alone device (as an autonomous device).
  • the dirt collecting container 12 has a suction inlet 16 to which a suction hose 18 can be connected in the usual way.
  • the suction head 14 seals the dirt collecting container 12 on the upper side and forms a suction outlet 20, on which a filter device 21 with (at least) a filter 22 is held.
  • the filter 22 is followed by a suction line 24, via which the dirt collecting container 12 with a suction unit 26 in flow Connection stands.
  • the suction unit 26 comprises an electric motor device 25 with (at least) an electric motor 27 and a rotationally driven by the electric motor 27 blower 28.
  • the dirt collecting 12 is acted upon by the vacuum unit 26 during operation of the vacuum cleaner 10 with negative pressure, so that in Figure 1 by the arrows 30 illustrated suction flow forms.
  • suction air loaded with dirt can be sucked in via the suction inlet 16 into the dirt collecting container 12, which can then be sucked off by the suction unit 26.
  • the suction air can be discharged from the suction unit 26 via exhaust ports 29 ( Figure 7) of the suction head 14 to the environment.
  • a cleaning device which is designed as an external air valve device 33, with (at least) an external air valve 34 is disposed above the filter 22 in the suction head 14 (shown enlarged in Figure 2). It comprises a stationary in the suction head 14 arranged valve holder 36 which forms a valve seat for a movable valve body in the form of a valve disk 38.
  • the valve disk 38 is by means of a
  • Closing spring 40 is acted upon by a closing force in the direction of the valve holder 36.
  • the closing spring 40 is clamped between a plate-like, a plurality of flow passages, fixedly arranged in the suction head 14 filter holder 42 and the valve plate 38.
  • the filter holder 42 carries a resilient stop element in the form of a stop spring 44.
  • This particular (preferably as well as the closing spring 40) has a linear characteristic. It is for example designed as a helical spring.
  • the stopper spring 44 in the closed position of the valve plate 38 is not under tension.
  • valve plate 38 Only when the valve disk 38 lifts from the valve seat of the valve holder 36, the stopper spring 44 comes to rest on the underside of the valve disk 38 and is slightly compressed in a further movement of the valve plate 38. It thus exerts an increasing restoring force on the valve disk 38 and accelerates the movement of the valve disk 38 from its closed valve position (shown in FIG. 2) back to the closed valve position via an open valve position. In the open valve position, the valve plate 38 takes a distance to the valve holder 36, which forms the valve seat.
  • the valve holder 36 has a plurality of passage openings, not shown in the drawing, whose mouth areas are closed by the valve disk 38 when it assumes its closed valve position.
  • the suction head 14 has a lateral opening 46. Via the lateral opening 46, foreign air can flow into the passage openings of the valve holder 36. If the valve disk 36 has its open valve position spaced from the valve holder 36, the lateral opening 46 is in fluid communication with the suction line 24 via the passage openings of the valve holder 36 and the clean side 48 of the filter 22 facing away from the dirt collecting container 12 can act on it. If the valve disk 38 assumes its closed valve position, the flow connection between the lateral opening 46 and the suction line 24 is interrupted.
  • the valve holder 36 carries an electromagnet 50.
  • the electromagnet 50 In the circumferential direction of the electromagnet 50 is surrounded by an annular space 52, in which a molded upper side of the valve plate 38 guide sleeve 54 dips.
  • the guide sleeve 54 receives a magnetizable element, for example in the form of an iron plate 56, which abuts in the closed valve position of the valve disk 38 at a free end edge 58 of the electromagnet 50 and 50 forms a closed magnetic circuit in combination with the electromagnet.
  • the electromagnet 50 is connected via a power supply line with an arranged in the suction head 14 (electronic) control device 62 in electrical connection.
  • the solenoid 50 is acted upon during the normal suction operation of the vacuum cleaner 10 with a supply current. Due to the forming magnetic field of the valve plate 38 is reliably held in its closed position. The holding force of the electromagnet 50 is determined by the spring force of
  • the filter 22 is flowed through in the counter-current direction, that is, contrary to the prevailing during the normal suction operation flow direction 30, from external air. This results in an effective cleaning of the filter 22.
  • the energy supply of the vacuum cleaner 10 is carried out in one embodiment by means of a rechargeable battery device.
  • a rechargeable battery device This includes, for example, two rechargeable batteries.
  • the battery device comprises, for example, one or more lithium-ion batteries. These are arranged laterally next to the suction unit 26 in a battery compartment 68 of the suction head 14.
  • the battery compartment 68 is accessible via an outwardly pivotable flap 70 the user to replace the batteries.
  • the electronic control device 62 is arranged above the suction unit 26 in the suction head 14 and is connected via supply lines to the batteries 64 in electrical connection.
  • a user-actuated push-button 82 which is arranged on the upper side of the suction head 14, is connected to the control device 62. By pressing the button 82, the user can (manually) trigger a filter cleaning.
  • the external air valve device 33 in the vacuum cleaner 10 is a source of noise for low-frequency noise and in particular blast noise.
  • the sudden ("sudden") pressure change which leads to a mechanical vibration of the filter 22, leads to low-pitched pop noise. These are usually well below 1000 Hz or less.
  • the pressure reduction is abrupt and has a duration of less than 0.05 s.
  • the pressure change is in particular 50 mbar (5 kPa) or more.
  • the sucker 10 is provided with a perforated plate resonator 84 (FIGS. 1, 3, 4).
  • the perforated plate resonator 84 is assigned to the external air valve device 33 as a noise source and connected to it in a sound-effective manner.
  • the perforated plate resonator 84 has (FIG. 4) a chamber 85 with a chamber wall 86. This chamber wall 86 limits one
  • Chamber chamber 88 The chamber chamber 88 is closed by a perforated plate 90.
  • the orifice plate 90 is supported on the chamber wall 86 and is disposed thereon.
  • the chamber wall 86 is connected to the perforated plate 90.
  • the chamber wall 86 includes a top wall 92. This top wall 92 is spaced from the orifice plate 90 and this opposite. Between the lid wall 92 and the perforated plate 90, the chamber space 88 is formed.
  • the perforated plate 90 and the lid wall 92 are parallel to each other.
  • the perforated plate 90 has a first side 94.
  • the first side 94 is the
  • the perforated plate 90 further includes a second side 96.
  • the second side 96 faces the first side 94. Between the first side 94 and the second side 96, the perforated plate 90 extends.
  • the second side 96 of the perforated plate 90 is acoustically effective facing the noise source (in the vacuum cleaner 10 of the external air valve device 33). Sound waves can propagate from this noise source to the perforated plate 90 and enter the chamber space 88 through openings ("holes") in the perforated plate 90.
  • the first side 94 and the second side 96 are parallel to each other.
  • the perforated plate 90 is then formed correspondingly flat.
  • the orifice plate resonator 84 includes a first transverse wall 98 and a second transverse wall 100. These are spaced apart from each other.
  • the apertured plate resonator 84 includes a first longitudinal wall 102 and a second longitudinal wall 104.
  • the first longitudinal wall 102 and the second longitudinal wall 104 are spaced apart from each other and toward one another.
  • the first longitudinal wall 102 and the second longitudinal wall 104 are formed, for example, parallel to each other.
  • the first longitudinal wall 102 and the second longitudinal wall 104 are seated on the
  • the first longitudinal wall 102 and the second longitudinal wall 104 are transverse to the first transverse wall 98 and the second transverse wall 100.
  • the first transverse wall 98, the second transverse wall 100, the first longitudinal wall 102, and the second longitudinal wall 104 form a (lateral) wall 106. which sits on the top wall 92 and closes the chamber space 98 laterally.
  • the perforated plate 90 is arranged on this wall 106 and is supported, in particular, on end faces of this wall 106.
  • first transverse wall 98, the second transverse wall 100, the first longitudinal wall 102, and the second longitudinal wall 104 are straight.
  • the transverse walls 98, 100 are formed at right angles to the longitudinal walls 102, 104.
  • the chamber space 88 has a hollow cuboid shape.
  • the chamber wall 96 is formed in particular of a reverberant material with a reflectance greater than 94%, which has a low absorption capacity for sound.
  • openings ("holes") 108 are arranged which are continuous between the first side 94 and the second side 96. At the first side 94, the openings open into the chamber space 88. At the second side 96, the openings 108 open into a channel 110 (FIG. 1), which is sound conducting.
  • the channel 110 is disposed between the noise source, that is, the external air valve device 33, and the orifice plate 90.
  • a plurality of openings 108 is formed on the perforated plate 90. These are especially arranged regularly. They are arranged in particular on grid points of a two-dimensional grid. Elementary cells of this grid are, for example, squares, rectangles, trapezoids, triangles, etc.
  • the openings 108 have a circular cross-section. As a result, they have a (hollow) cylindrical shape.
  • An extension direction 112 of an opening 108 is oriented, for example, parallel to the transverse walls 98, 100 or longitudinal walls 102, 104.
  • the extension direction 112 is oriented in particular perpendicular to the first side 94 and second side 96 of the perforated plate 90. It is also oriented in particular perpendicular to the top wall 92.
  • a sound-absorbing material 114 as mineral fiber wool.
  • the perforated plate resonator 84 is a perforated plate absorber having sound absorbing properties.
  • the dimensioning of the perforated plate resonator 84 with respect to its geometrical dimensions and the arrangement and dimension of the openings 108 determines the effective frequency range for the sound absorption.
  • I is the thickness of the perforated plate 90 between the first side 94 and the second side 96 plus an orifice correction
  • d is the height of the chamber space 88 between the first side 94 of the perforated plate 90 and an inner side of the cover wall 92
  • c is the speed of sound (see R. Lerch, G. Sessler, D. Wolf, “Technical Acoustics", Springer 2009, p. 296).
  • the above formula applies to circular openings 108 with a diameter 2r.
  • the opening area is the opening area (mouth area) of an opening 108.
  • the total area is the total area of the perforated plate 90 which is exposed to the noise source, that is, which is acted upon by sound waves.
  • the total area 10 corresponds to that area of the perforated plate 90 which assigns the channel 110.
  • the perforated plate resonator 84 is designed such that the center frequency f 0 is approximately 675 Hz.
  • a perforated plate resonator has the following characteristic variables: resonance frequency (center frequency), opening diameter, Resonator height (height of the chamber space), thickness of the perforated plate and hole spacing. For a specific application, these variables are set so that there is sufficient noise reduction for the relevant frequencies, for example at a maximum level of more than 2.5 dB.
  • a perforated plate resonator can also be used in conjunction with other cleaning devices that include low-frequency noise emission noise sources in a frequency range below 2000 Hz.
  • An exemplary embodiment of a further cleaning device is, as shown schematically in FIG. 5, a high-pressure cleaner 116.
  • This high-pressure cleaner comprises a discharge device 118 for cleaning fluid and in particular water.
  • a pump 120 is provided for high-pressure delivery of the fluid. This pump 120 can form a source of noise for low-frequency noise; in particular in connection with the switching on of the pump for fluid delivery.
  • an apertured plate resonator 122 which includes a chamber 129 having one or more apertured plates 124.
  • the perforated plate or plates 124 form a housing 126 for the noise source 120. Sound waves originating from the noise source 120 and radiated on all sides inevitably strike the perforated plate or plates 124.
  • the high-pressure cleaner 116 has a housing wall 128.
  • the housing wall 128 forms a chamber wall 130 of the chamber 129 of the perforated plate resonator 122, or the chamber wall 130 is located near the housing wall 128.
  • a chamber space 132 which is a resonator chamber, lies between the or the perforated plates 124 and the chamber wall 130 surrounds the noise source 120.
  • the perforated plate resonator 122 is designed and dimensioned with regard to its relevant variables in such a way that a relevant reduction in noise (in particular in the maximum level by more than 2.5 dB) is produced for resulting low-frequency noises.
  • the chamber space 132 has no cuboid shape. It is adapted to the formation of the housing wall 128 with a perforated plate housing of the pump 120.
  • the perforated plate resonator 122 basically functions the same as the perforated plate resonator 84.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

L'invention concerne un appareil de nettoyage qui comprend au moins une source de bruit (33) ayant une émission sonore dans une plage de fréquences au-dessous de 2 000 Hz et au moins un résonateur à plaque perforée (84) qui est associé à ladite source de bruit (33). Ledit résonateur à plaque perforée (84) possède une chambre (85), pourvue d'un espace de chambre (88) et d'une paroi de chambre (86), et au moins une plaque perforée (90) qui recouvre l'espace de chambre (88). Ladite plaque perforée (90) est reliée de manière acoustiquement active à ladite source de bruit (33).
PCT/EP2016/050277 2015-01-13 2016-01-08 Appareil de nettoyage et procédé de réduction du bruit sur un appareil de nettoyage WO2016113195A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015100426.7 2015-01-13
DE102015100426.7A DE102015100426A1 (de) 2015-01-13 2015-01-13 Reinigungsgerät und Verfahren zur Lärmminderung bei einem Reinigungsgerät

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WO2016113195A1 true WO2016113195A1 (fr) 2016-07-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019011313A1 (fr) * 2017-07-14 2019-01-17 美的集团股份有限公司 Aspirateur et module moteur associé
WO2019011314A1 (fr) * 2017-07-14 2019-01-17 美的集团股份有限公司 Aspirateur et module de moteur de celui-ci

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019117920A1 (de) * 2019-07-03 2021-01-07 Alfred Kärcher SE & Co. KG Saugvorrichtung und Verfahren zur Abreinigung eines Filters

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1765784A (en) * 1924-09-02 1930-06-24 Aldinger Otto Carpet dust cleaner
EP0399433A1 (fr) * 1989-05-23 1990-11-28 Matsushita Electric Industrial Co., Ltd. Tuyau d'aspiration pour aspirateur de poussières
JPH07250789A (ja) * 1994-03-15 1995-10-03 Toshiba Corp 電気掃除機の消音装置
US5517716A (en) * 1993-09-17 1996-05-21 Samsung Electronics Co., Ltd. Vacuum cleaner having sound dampening suction lead
JP3058764B2 (ja) * 1992-06-26 2000-07-04 東芝テック株式会社 電気掃除機
EP1120075A1 (fr) * 2000-01-27 2001-08-01 New Ermes Europe S.p.A. Turbo-brosse pour le nettoyage de surfaces
JP2007111308A (ja) * 2005-10-21 2007-05-10 Matsushita Electric Ind Co Ltd 消音装置およびそれを用いた電気掃除機
JP2007252938A (ja) * 2007-05-07 2007-10-04 Mitsubishi Electric Corp 騒音低減装置
WO2008014796A1 (fr) * 2006-07-29 2008-02-07 Alfred Kärcher Gmbh & Co. Kg Aspirateur
CN100372489C (zh) * 2003-06-23 2008-03-05 乐金电子(天津)电器有限公司 真空吸尘器
JP2009226101A (ja) * 2008-03-25 2009-10-08 Panasonic Corp 消音手段及びそれを用いた電気掃除機
DE102009054490A1 (de) * 2009-12-10 2011-06-16 Poroson Gmbh Staubsauger

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315759C1 (de) * 1993-05-11 1994-05-05 Fraunhofer Ges Forschung Schallabsorbierendes Glas- oder transparentes Kunstglasbauteil
DE19517197A1 (de) * 1995-05-11 1996-11-14 Manfred Butsch Selbstreinigender Staubsauger
DE19747318C1 (de) * 1997-10-27 1999-05-27 Kaercher Gmbh & Co Alfred Reinigungsgerät
EP1172059A1 (fr) * 2000-07-14 2002-01-16 Nilfisk Advance A/S Aspirateur de poussières avec des moyens de réduction de bruit
CN100423678C (zh) 2005-11-10 2008-10-08 苏州金莱克家用电器有限公司 吸尘器消音装置
JP2009100840A (ja) 2007-10-22 2009-05-14 Panasonic Corp 電動送風機およびそれを用いた電気掃除機
US8893851B2 (en) * 2010-12-21 2014-11-25 Yoshiharu Kitamura Soundproofing plate which does not obstruct airflow
DK2672870T3 (en) 2011-02-11 2015-03-02 Kaercher Gmbh & Co Kg Alfred Process for cleaning a filter in a vacuum cleaner and vacuum cleaner for carrying out the process

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1765784A (en) * 1924-09-02 1930-06-24 Aldinger Otto Carpet dust cleaner
EP0399433A1 (fr) * 1989-05-23 1990-11-28 Matsushita Electric Industrial Co., Ltd. Tuyau d'aspiration pour aspirateur de poussières
JP3058764B2 (ja) * 1992-06-26 2000-07-04 東芝テック株式会社 電気掃除機
US5517716A (en) * 1993-09-17 1996-05-21 Samsung Electronics Co., Ltd. Vacuum cleaner having sound dampening suction lead
JPH07250789A (ja) * 1994-03-15 1995-10-03 Toshiba Corp 電気掃除機の消音装置
EP1120075A1 (fr) * 2000-01-27 2001-08-01 New Ermes Europe S.p.A. Turbo-brosse pour le nettoyage de surfaces
CN100372489C (zh) * 2003-06-23 2008-03-05 乐金电子(天津)电器有限公司 真空吸尘器
JP2007111308A (ja) * 2005-10-21 2007-05-10 Matsushita Electric Ind Co Ltd 消音装置およびそれを用いた電気掃除機
WO2008014796A1 (fr) * 2006-07-29 2008-02-07 Alfred Kärcher Gmbh & Co. Kg Aspirateur
JP2007252938A (ja) * 2007-05-07 2007-10-04 Mitsubishi Electric Corp 騒音低減装置
JP2009226101A (ja) * 2008-03-25 2009-10-08 Panasonic Corp 消音手段及びそれを用いた電気掃除機
DE102009054490A1 (de) * 2009-12-10 2011-06-16 Poroson Gmbh Staubsauger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019011313A1 (fr) * 2017-07-14 2019-01-17 美的集团股份有限公司 Aspirateur et module moteur associé
WO2019011314A1 (fr) * 2017-07-14 2019-01-17 美的集团股份有限公司 Aspirateur et module de moteur de celui-ci
US11486282B2 (en) 2017-07-14 2022-11-01 Midea Group Co., Ltd. Vacuum cleaner and electric motor module thereof

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