WO2016150463A1 - Aspirateur et ensemble d'aspirateurs ainsi que procédé de fabrication d'aspirateurs - Google Patents

Aspirateur et ensemble d'aspirateurs ainsi que procédé de fabrication d'aspirateurs Download PDF

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Publication number
WO2016150463A1
WO2016150463A1 PCT/EP2015/055949 EP2015055949W WO2016150463A1 WO 2016150463 A1 WO2016150463 A1 WO 2016150463A1 EP 2015055949 W EP2015055949 W EP 2015055949W WO 2016150463 A1 WO2016150463 A1 WO 2016150463A1
Authority
WO
WIPO (PCT)
Prior art keywords
vacuum cleaner
wall portion
air inlet
housing part
cyclone separator
Prior art date
Application number
PCT/EP2015/055949
Other languages
English (en)
Inventor
Johan WADELIUS
Original Assignee
Ab Electrolux
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 Ab Electrolux filed Critical Ab Electrolux
Priority to PCT/EP2015/055949 priority Critical patent/WO2016150463A1/fr
Publication of WO2016150463A1 publication Critical patent/WO2016150463A1/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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1608—Cyclonic chamber constructions
    • 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
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/165—Construction of inlets

Definitions

  • the present invention relates to a vacuum cleaner. Further, the present invention relates to a set of at least two vacuum cleaners. Moreover, the present invention relates to a method of manufacturing a set of at least two vacuum cleaners.
  • a particular category of vacuum cleaners are vacuum cleaners comprising a cyclone separator.
  • the cyclone separator is utilised for separating dust and debris from a dust and debris containing airflow.
  • the cyclone separator comprises a cylindrical and/or frustoconical chamber.
  • An air inlet of the cyclone separator is arranged to produce a substantially tangentially directed airflow into the chamber.
  • An air outlet from the chamber is arranged centrally on a centre axis of the chamber.
  • a suction producing unit of the vacuum cleaner produces an airflow through the chamber. Due to the tangentially directed air inlet, the air flowing into the chamber creates a vortex inside the chamber.
  • Dust and debris contained in the inflowing air is thus, propelled outwardly towards an inner circumferential wall of the chamber.
  • Air relieved of dust and debris flows out of the chamber through the centrally arranged air outlet.
  • a separate outlet for dust and debris leading to a receptacle for dust and debris is emptied from time to time.
  • the separated dust and debris remain in the cylindrical and/or frustoconical chamber, which accordingly has to be emptied from time to time.
  • a vacuum cleaner comprising a cyclone separator
  • the diameter of the chamber and an area of the air inlet together with the flow rate of air flowing through the chamber determine the speed of the vortex inside the chamber.
  • the vortex affects dust and debris separation efficiency of the cyclone separator.
  • a too low or too high airflow does not create any usable vortex inside the chamber.
  • a particular cyclone separator is operable within a certain air flow rate range.
  • Vacuum cleaners are labelled according to their energy consumption levels.
  • a vacuum cleaner with low energy consumption a lower powered suction producing unit is used than in a vacuum cleaner with high energy consumption.
  • a high powered suction producing unit may produce a higher flow rate of air than a low powered suction producing unit.
  • various design parameters have to be considered.
  • the cyclone separator of a vacuum cleaner has to be adapted to the specific suction producing unit used in the vacuum cleaner.
  • a small air inlet area of the cyclone separator creates a faster vortex inside the chamber of the cyclone separator than a large air inlet area of the cyclone separator.
  • a faster vortex entails a higher noise level of the vacuum cleaner.
  • either cleaning efficiency or noise level may be prioritised.
  • a vacuum cleaner comprising a cyclone separator and a suction producing unit, the cyclone separator comprising a cylindrical and/or frustoconical chamber with a substantially tangentially directed air inlet and a centrally arranged air outlet.
  • the suction producing unit is arranged in fluid communication with the air outlet and is configured to draw air through the cyclone separator from the air inlet to the air outlet.
  • the cyclone separator at the air inlet comprises an arc-shaped wall portion forming part of an inner surface of the chamber.
  • the cyclone separator comprises at least a first housing part and a second housing part forming the chamber and the air inlet. A first wall portion adjacent a first circumferential end of the arc- shaped wall portion at the air inlet is formed by the first housing part, and a second wall portion of the arc-shaped wall portion is formed by the second housing part.
  • the arc-shaped wall portion being formed by at least two separate housing parts, different length arc-shaped wall portions may be provided in the vacuum cleaner by exchanging only the first housing part.
  • the cyclone separator is tuneable to alter at least one vacuum cleaner characteristic. Accordingly, a vacuum cleaner characteristic such as separation efficiency and/or noise level are easily changed. As a result, the above mentioned object is achieved.
  • the cyclone separator is utilised for separating dust and debris from a dust and debris containing airflow.
  • the air inlet being substantially tangentially directed entails that inflowing air into the chamber is directed from the air inlet along the inner surface of the chamber.
  • the cyclone separator comprising a cylindrical and/or frustoconical chamber entails that at least a portion of the inner surface of the chamber is substantially cylindrical and/or substantially frustoconical.
  • a vortex is formed by the air being draw into the chamber through the air inlet. Accordingly, the arc-shaped wall portion forms part of the inner surface. Dust and debris contained in the air is propelled outwardly towards the inner surface of the chamber by the vortex. Air relieved of dust and debris flows out of the chamber through the centrally arranged air outlet.
  • the suction producing unit may comprise a fan and an electric motor.
  • the first housing part is substantially smaller than the second housing part.
  • Such a smaller first housing part is substantially cheaper to manufacture in different versions than one large housing part which includes the entire arc-shaped wall portion.
  • Such a large housing part would have to be manufactured in different versions with differently formed arc- shaped wall portions to provide different vacuum cleaning characteristics.
  • vacuum cleaners with different suction and/or dust separation characteristics may be provided at low cost by using different kinds of first housing parts in different vacuum cleaners.
  • the first housing part may form at least a portion of the air inlet.
  • the first wall portion may be provided together with at least a portion of the air inlet.
  • different first housing parts may provide differently sizes air inlets, e.g. for adapting the cyclone separator to different suction producing units.
  • a resilient sealing may be arranged between the first housing part and the second housing part. In this manner an air tight seal between the first and second housing parts may be ensured. Thus, the air flowing into the chamber may not be disturbed by any air leaking into the air inlet.
  • the vacuum cleaner may comprise a receptacle for dust and debris
  • the cyclone separator may comprise an outlet for dust and debris arranged at an end of the chamber opposite to the air inlet, the outlet for dust and debris being arranged in communication with the receptacle for dust and debris.
  • dust and debris may be collected in a receptacle, which is separate from the chamber of the cyclone separator.
  • the efficiency of the cyclone separator is not reduced by dust and debris accumulating over time in the chamber of the cyclone separator.
  • the above-mentioned object is achieved by a set of at least two vacuum cleaners comprising a first vacuum cleaner and a second vacuum cleaner.
  • Each of the first and second vacuum cleaners comprises a cyclone separator and a suction producing unit.
  • the cyclone separator comprises a cylindrical and/or frustoconical chamber with a substantially tangentially directed air inlet and a centrally arranged air outlet.
  • the suction producing unit is arranged in fluid communication with the air outlet and is configured to draw air through the cyclone separator from the air inlet to the air outlet.
  • the cyclone separator at the air inlet comprises an arc-shaped wall portion forming part of an inner surface of the chamber.
  • Each of the cyclone separators of the first and second vacuum cleaners comprises at least a first housing part and a second housing part forming the respective chambers and air inlets.
  • a first wall portion adjacent a first circumferential end of the arc-shaped wall portion at the air inlet is formed by the first housing part.
  • a second wall portion of the arc-shaped wall portion is formed by the second housing part.
  • the second housing parts of the first and second vacuum cleaners are identical.
  • the first wall portion of the first housing part of the first vacuum cleaner has a larger area than any first wall portion of the first housing part of the second vacuum cleaner such that the air inlet of the cyclone separator of the first vacuum cleaner has a smaller area than the air inlet of the cyclone separator of the second vacuum cleaner.
  • arc-shaped wall portion being formed by at least two separate housing parts
  • different length arc-shaped wall portions are provided in the cyclone separators of the first and second vacuum cleaners by the use of different first housing parts in the first and second vacuum cleaners, the first housing parts comprising first wall portions of different sizes, or the first housing part of the first vacuum cleaner comprising a first wall portion while the first housing part of the second vacuum cleaner does not comprise any first wall portion, whereas other parts, such as the second housing parts of the cyclone separators, are identical.
  • the first and second vacuum cleaners are easily achieved in the first and second vacuum cleaners by tuning the first and second vacuum cleaners with different first housing parts.
  • the cyclone separators of the first and second vacuum cleaners are tuned to different vacuum cleaner characteristics such as suction producing unit power, conduit system dimensions, etc. by being provided with different first housing parts.
  • Different vacuum cleaner characteristics may entail that the first and second vacuum cleaners have different energy consumption levels, which may entail that suction producing units of different power ratings are used in the first and second vacuum cleaners.
  • the air speed in the vortex formed in the chamber may be tuned to the air flow rate through the chamber provided by the relevant suction producing unit of the first and second vacuum cleaners by the provision of the air inlets having different areas through the use of different first housing parts in the first and second vacuum cleaners.
  • the same size of chamber may be used in cyclone separators of vacuum cleaners comprising differently powered suction producing units, and that it is sufficient to provide differently sized inlet areas of the air inlet, only through the use of different first housing parts, to tune a cyclone separator to be used with differently powered suction producing units.
  • a suitable vortex is formed in the chamber.
  • the first vacuum cleaner may be a vacuum cleaner according to any one aspect and/or embodiment discussed herein and the second vacuum cleaner is a vacuum cleaner according to any aspect and/or embodiment discussed herein.
  • the above mentioned object is achieved by a method of manufacturing a set of at least two vacuum cleaners comprising a first and a second vacuum cleaner, each of the first and second vacuum cleaners comprising a cyclone separator and a suction producing unit.
  • the cyclone separator comprising a cylindrical and/or frustoconical chamber with a substantially tangentially directed air inlet and a centrally arranged air outlet.
  • the suction producing unit is arranged in fluid communication with the air outlet and is configured to draw air through the cyclone separator from the air inlet to the air outlet.
  • the cyclone separator at the air inlet comprises an arc-shaped wall portion forming part of an inner surface of the chamber.
  • Each of the cyclone separators of the first and second vacuum cleaners comprises at least a first housing part and a second housing part forming the respective chambers and air inlets.
  • a first wall portion adjacent a first circumferential end of the arc-shaped wall portion at the air inlet is formed by the first housing part.
  • a second wall portion of the arc-shaped wall portion is formed by the second housing part.
  • the method comprises:
  • the first wall portion of the first housing part of the first vacuum cleaner is larger than any first wall portion of the first housing part of the second vacuum cleaner such that the air inlet of the first vacuum cleaner has a smaller area than the air inlet of the second vacuum cleaner.
  • Fig. 1 a illustrates a vacuum cleaner according to embodiments
  • Fig. 1 b illustrates a set of at least two vacuum cleaners according to embodiments
  • Fig. 2 illustrates an exploded view of a cyclone separator according to embodiments
  • Figs. 3, 4a and 4b illustrate cross sections through the cyclone separator of Fig. 2,
  • Fig. 4c illustrates a cross section through a cyclone separator
  • Fig. 5 illustrates a method of manufacturing a set of at least two vacuum cleaners.
  • Fig. 1 a illustrates a vacuum cleaner 2 according to embodiments.
  • the vacuum cleaner 2 comprises a cyclone separator 4, a suction producing unit 6 (schematically illustrated), and a receptacle 8 for dust and debris.
  • the cyclone separator 4 comprises a cylindrical chamber with an air inlet as will be discussed further below, inter alia with reference to Figs. 3, 4a, and 4b.
  • the cyclone separator 4 comprises at least a first housing part and a second housing part forming the chamber and the air inlet.
  • the receptacle 8 is arranged in open connection with the chamber of the cyclone separator 4 for receiving dust and debris separated in the cyclone separator 4.
  • the suction producing unit 6 may comprise an electric motor and a fan, wherein the electric motor has a power consumption within a range of 400 - 2000 W.
  • Fig. 1 b illustrates a set of at least two vacuum cleaners according to embodiments.
  • the set of vacuum cleaners comprises a first vacuum cleaner 2 and a second vacuum cleaner 2'.
  • the first and second vacuum cleaners 2, 2' are both vacuum cleaners comprising cyclone separators 4, 4' of the same kind as the vacuum cleaner 2 discussed in connection with Fig. 1 a.
  • the first and second vacuum cleaners 2, 2' have different vacuum cleaner characteristics, and thus, differ from each other in at least one aspect.
  • the electric motors of the suction producing units of the first and second vacuum cleaners 2, 2' may have electric motors with different power ratings
  • the first and second vacuum cleaners 2, 2' may be designed for different air flow rates
  • the cyclone separators 4, 4' of the first and second vacuum cleaners 2, 2' may be designed for different vortex speeds
  • the conduit systems in the first and second vacuum cleaners 2, 2' may have different dimensions
  • the noise levels of the first and second vacuum cleaners 2, 2' may be different, etc.
  • the second housing parts of the cyclone separators of the first and second vacuum cleaners 2, 2' are identical, whereas the first housing part of the cyclone separator of the first vacuum cleaners 2 differs from the first housing part of the cyclone separator of the second vacuum cleaners 2'.
  • the cyclone separators 4, 4' of each of the first and second vacuum cleaners 2, 2' may be tuned to vacuum cleaner characteristics of the first and second vacuum cleaners 2, 2', and/or the cyclone separators 4, 4' of each of the first and second vacuum cleaners 2, 2' may tune the first and second vacuum cleaners 2, 2' to provide different vacuum cleaner characteristics in the first and second vacuum cleaners 2, 2'.
  • the first vacuum cleaner 2 may be a vacuum cleaner according to any one aspect and/or embodiment discussed herein and the second vacuum cleaner 2' may be a vacuum cleaner according to any aspect and/or embodiment discussed herein.
  • Fig. 2 illustrates an exploded view of a cyclone separator 4 according to embodiments.
  • the cyclone separator 4 may be used in a vacuum cleaner of the canister type as disclosed in Figs. 1 a and 1 b, or in a different kind of vacuum cleaner such a vacuum cleaner of the stick type, or of the upright type.
  • the cyclone separator 4 comprises a cylindrical chamber 10 with a substantially tangentially directed air inlet 12 and a centrally arranged air outlet.
  • a suction producing unit 6 of a related vacuum cleaner is arranged in fluid communication with the air outlet and is configured to draw air through the cylindrical chamber 10 of the cyclone separator 4, from the air inlet 12 to the air outlet.
  • the cyclone separator 4 comprises at least a first housing part 14 and a second housing part 16 forming the chamber 10 and the air inlet 12.
  • the receptacle 8 for dust and debris is connected to the chamber 10.
  • At least one portion of the chamber 10 may have a diameter within a range of 30 - 250 mm, preferably within a range of 30 - 160 mm, more preferably within a range of 70 - 120 mm, and wherein the suction producing unit 6 may produce an airflow of up to 40 litres/second through the cyclone separator 4.
  • the air inlet 12 has a cross sectional area extending perpendicularly to the air flow into the chamber 10, see Fig. 4b.
  • the first housing part 14 forms a portion of the air inlet 12, see Figs. 4a and 4b.
  • different cross sectional areas of the air inlet 12 may be provided in combination with the second housing part 16.
  • the first housing part 14, which forms a portion of the air inlet 12 is substantially smaller than the second housing part 16.
  • a resilient sealing 17 is arranged between the first housing part 14 and the second housing part 16.
  • the resilient sealing 17 may be formed by e.g. an extruded round sealing or a lip sealing.
  • the resilient sealing 17 may be made e.g. from rubber or from a thermoplastic elastomer.
  • Fig. 3 illustrates a cross section through the cyclone separator 4 of Fig. 2.
  • the cylindrical chamber 10 extends in an axial direction 18.
  • the air inlet 12 directs inflowing air containing dust and debris in a tangential direction at an axial end of the cylindrical chamber 10 to form a vortex 22 along the inner surface of the chamber 10, as indicated by the arrows in the Fig. 3.
  • the cyclone separator 4 comprises an outlet 24 for dust and debris arranged at an axial end of the chamber 10 opposite to the air inlet 12.
  • the outlet 24 for dust and debris is arranged in communication with the receptacle 8 for dust and debris.
  • the air, relieved from dust and debris flows out of the chamber 10 through the centrally arranged air outlet 20.
  • the receptacle 8 may be separated from the cyclone separator 4 and the relevant vacuum cleaner to be emptying from collected dust and debris.
  • the chamber 10 may comprise a frustoconical section, as indicated with broken lines 25 in Fig. 3.
  • the entire chamber 10 may be frustoconically shaped, or the chamber 10 may comprise two frustoconical sections.
  • Figs. 4a and 4b illustrate cross sections through the cyclone separator 4 illustrated in Figs. 2 and 3, along line IV - IV shown in Fig. 3.
  • the cyclone separator 4 comprises an arc-shaped wall portion 26 forming part of the substantially cylindrical inner surface of the cylindrical chamber 10.
  • the cyclone separator 4 comprises a first housing part 14 and a second housing part 16.
  • the first and second housing parts 14, 16 form at least part of the chamber 10 and the air inlet 12.
  • a first wall portion 28 of the arc-shaped wall portion 26 is formed by the first housing part 14.
  • the first wall portion 28 is arranged adjacent a first circumferential end 30 of the arc- shaped wall portion 26.
  • the first wall portion 28 is arranged at the air inlet 12, i.e. the first circumferential end 30 is arranged adjacent the air inlet 12.
  • a second wall portion 32 of the arc-shaped wall portion 26 is formed by the second housing part 16.
  • the first wall portion 28 is arranged adjacent to the second wall portion 32.
  • the second wall portion 32 extends from the first wall portion 28 to a second circumferential end 34 of the arc-shaped wall portion 26 at the air inlet 12.
  • the second circumferential end 34 is arranged at an end of the arc-shaped wall portion 26 opposite to the first circumferential end 30.
  • the first wall portion 28 extends from the air inlet 12 in a direction opposite to a rotation direction of a vortex 22 formed in the chamber 10 during use of a relevant vacuum cleaner.
  • a position of the air inlet 12 in relation to the cylindrical chamber 10, is defined by the first circumferential end 30 of the first wall portion 28.
  • the cross sectional area of the air inlet 12 is measured at an angle to the first circumferential end 30, which provides the smallest area.
  • the air inlet 12 extends approximately perpendicularly to an air inlet direction 36, which is schematically illustrated with an arrow in Fig. 4b. That is, the air flowing into the chamber 10 via the air inlet 12 flows along the air inlet direction 36.
  • the cross sectional area of the air inlet 12 is indicated with a broken line 38 in Fig. 4b, and extends perpendicularly to the plane of Fig.
  • the air inlet 12 may be delimited by the first and/or second housing parts 14, 16.
  • FIG. 4c illustrates a cross section through a cyclone separator 4 corresponding to the cross section shown in Fig. 4b.
  • the cyclone separator 4 in the embodiments of Fig. 4c corresponds in much to the cyclone separator 4 of the embodiments illustrated in Fig. 4b.
  • the second housing part 16 of the embodiments of Fig. 4b is identical with the second housing part 16 of the embodiments of Fig. 4c.
  • the first wall portion 28 of the first housing part 14 has a larger area than the first wall portion 28' of the first housing part 14 of the embodiments of Fig. 4c. Accordingly, the air inlet 12 of the cyclone separator 4 of the embodiments of Fig. 4b has a smaller area than the air inlet 12' of the cyclone separator 4 of the embodiments of Fig. 4c.
  • each first housing part 14, 14' forms at least a portion of the air inlet 12, 12', and the first wall portion 28, 28', differently sized air inlets 12, 12' may be provided in the cyclone separators 4, 4' simply by the use of different first housing parts 14, 14', in order to tune a relevant cyclone separator 4, 4'.
  • first wall portions 28, 28' of the two first housing parts 14, 14' have different circumferential lengths to provide the differently sized air inlets 12, 12'.
  • first wall portion may additionally, or alternatively, extend over different lengths in the axial direction of the cyclone separation 4 to provide differently sized air inlets in different first housing parts 14.
  • the first vacuum cleaner 2 may comprise a cyclone separator 4 provided with a first housing part 14 as illustrated in Fig. 4b
  • the second vacuum cleaner 2' may comprise a cyclone separator 4' provided with a first housing part 14' as illustrated in Fig. 4c.
  • a set of at least two vacuum cleaners comprising a first vacuum cleaner 2 and a second vacuum cleaner 2', wherein the first and second vacuum cleaners 2, 2' have different vacuum cleaner characteristics is easily achieved by the use of the different first housing parts 14, 14'.
  • each of the first and second vacuum cleaners 2, 2' comprises a cyclone separator 4, 4' and a suction producing unit.
  • the cyclone separator 4, 4' comprises a cylindrical and/or frustoconical chamber 10 with a substantially tangentially directed air inlet 12 and a centrally arranged air outlet 20.
  • the suction producing unit is arranged in fluid communication with the air outlet 20 and is configured to draw air through the cyclone separator 4, 4' from the air inlet 12 to the air outlet 20.
  • the cyclone separator 4, 4' at the air inlet 12 comprises an arc-shaped wall portion forming part of an inner surface of the chamber 10.
  • Each of the cyclone separators 4, 4' of the first and second vacuum cleaners 2, 2' comprises at least a first housing part 14, 14' and a second housing part forming the respective chambers 10 and air inlets 12, 12'.
  • a first wall portion 28 adjacent a first circumferential end 30 of the arc-shaped wall portion at the air inlet 12 is formed by the first housing part 14.
  • a second wall portion 32 of the arc-shaped wall portion is formed by the second housing part 16.
  • the second housing parts 16 of the first and second vacuum cleaners 2, 2' are identical.
  • the first wall portion 28 of the first housing part 14 of the first vacuum cleaner 2 has a larger area than any first wall portion 28' of the first housing part 14' of the second vacuum cleaner 2' such that the air inlet 12 of the cyclone separator 4 of the first vacuum cleaner 2 has a smaller area than the air inlet 12' of the cyclone separator 4' of the second vacuum cleaner 2'.
  • the first housing part 14' of the second vacuum cleaner does not comprise any first wall portion.
  • the suction producing unit of the first vacuum cleaner 2 may have a lower power rating than the suction producing unit of the second vacuum cleaner 2'. Due to the differently sized air inlets 12, 12' of the first and second vacuum cleaners 2, 2' the respective cyclone separators 4, 4' may be tuned to the respective suction producing units.
  • Fig. 5 illustrates a method 100 of manufacturing a set of at least two vacuum cleaners.
  • the set of at least two vacuum cleaners may be a set comprising a first and a second vacuum cleaner as illustrated in Fig. 1 b.
  • each of the first and second vacuum cleaners comprises a cyclone separator and a suction producing unit.
  • the cyclone separator comprises a cylindrical and/or frustoconical chamber with a substantially tangentially directed air inlet and a centrally arranged air outlet.
  • the suction producing unit is arranged in fluid communication with the air outlet and is configured to draw air through the cyclone separator from the air inlet to the air outlet.
  • the cyclone separator at the air inlet comprises an arc- shaped wall portion forming part of an inner surface of the chamber.
  • Each of the cyclone separators of the first and second vacuum cleaners comprises at least a first housing part and a second housing part forming the respective chambers and air inlets.
  • a first wall portion adjacent a first circumferential end of the arc-shaped wall portion at the air inlet is formed by the first housing part.
  • a second wall portion of the arc-shaped wall portion is formed by the second housing part.
  • the method comprises: - installing 102 identical second housing parts in the first and second vacuum cleaners,
  • the first wall portion of the first housing part of the first vacuum cleaner is larger than any first wall portion of the first housing part of the second vacuum cleaner such that the air inlet of the first vacuum cleaner has a smaller area than the air inlet of the second vacuum cleaner.
  • the vacuum cleaner may comprise a cyclone separator wherein the separated dust and debris remains in the cylindrical and/or frustoconical chamber, which accordingly has to be emptied from time to time. Therefore, it is to be understood that the foregoing is illustrative of various example embodiments and that the invention is defined only by the appended claims.

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

Abstract

La présente invention concerne un aspirateur comprenant un séparateur à cyclone (4). Le séparateur à cyclone (4) comprend une partie de paroi en forme d'arc, au niveau d'une entrée d'air associée (12), formant une partie d'une surface interne de la chambre (10). Le séparateur à cyclone (4) comprend au moins une première partie (14) de boîtier et une seconde partie (16) de boîtier formant la chambre (10) et l'entrée d'air (12). Une première partie de paroi (28), adjacente à une première extrémité circonférentielle (30) de la partie de paroi en forme d'arc au niveau de l'entrée d'air (12), est formée par la première partie (14) de boîtier, et une seconde partie de paroi (32), de la partie de paroi en forme d'arc, est formée par la seconde partie (16) de boîtier. L'invention concerne également un ensemble d'aspirateurs et un procédé de fabrication d'un ensemble d'aspirateurs.
PCT/EP2015/055949 2015-03-20 2015-03-20 Aspirateur et ensemble d'aspirateurs ainsi que procédé de fabrication d'aspirateurs WO2016150463A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/EP2015/055949 WO2016150463A1 (fr) 2015-03-20 2015-03-20 Aspirateur et ensemble d'aspirateurs ainsi que procédé de fabrication d'aspirateurs

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Application Number Priority Date Filing Date Title
PCT/EP2015/055949 WO2016150463A1 (fr) 2015-03-20 2015-03-20 Aspirateur et ensemble d'aspirateurs ainsi que procédé de fabrication d'aspirateurs

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112401741A (zh) * 2019-08-22 2021-02-26 慈溪市梦森电器有限公司 吸尘装置和使用方法以及气流流向方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB469539A (en) * 1936-01-04 1937-07-27 British Thomson Houston Co Ltd Improvements in and relating to apparatus for separating dust from air
US20050091945A1 (en) * 2001-12-05 2005-05-05 Fabien David Waste separating device for vacuum cleaner
DE102012211245A1 (de) * 2012-06-29 2014-01-02 BSH Bosch und Siemens Hausgeräte GmbH Staubsauger mit Wirbelabscheider

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB469539A (en) * 1936-01-04 1937-07-27 British Thomson Houston Co Ltd Improvements in and relating to apparatus for separating dust from air
US20050091945A1 (en) * 2001-12-05 2005-05-05 Fabien David Waste separating device for vacuum cleaner
DE102012211245A1 (de) * 2012-06-29 2014-01-02 BSH Bosch und Siemens Hausgeräte GmbH Staubsauger mit Wirbelabscheider

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112401741A (zh) * 2019-08-22 2021-02-26 慈溪市梦森电器有限公司 吸尘装置和使用方法以及气流流向方法

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