WO2003075732A1 - Device for a vaccum cleaner - Google Patents

Device for a vaccum cleaner Download PDF

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Publication number
WO2003075732A1
WO2003075732A1 PCT/SE2003/000315 SE0300315W WO03075732A1 WO 2003075732 A1 WO2003075732 A1 WO 2003075732A1 SE 0300315 W SE0300315 W SE 0300315W WO 03075732 A1 WO03075732 A1 WO 03075732A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
collecting container
cassette
air
cyclone
Prior art date
Application number
PCT/SE2003/000315
Other languages
French (fr)
Inventor
Göran Sjöberg
Håkan MIEFALK
Fredrik Bergling
Original Assignee
Aktiebolaget 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 Aktiebolaget Electrolux filed Critical Aktiebolaget Electrolux
Priority to JP2003574014A priority Critical patent/JP4426312B2/en
Priority to EP03705632A priority patent/EP1485004B1/en
Priority to AU2003206581A priority patent/AU2003206581A1/en
Priority to US10/505,812 priority patent/US7419523B2/en
Priority to DE60320238T priority patent/DE60320238T2/en
Publication of WO2003075732A1 publication Critical patent/WO2003075732A1/en

Links

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
    • A47L9/1683—Dust collecting chambers; Dust collecting receptacles
    • 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
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1418—Impermeable dust collecting bags
    • 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
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1481—Means for removing bags in suction cleaners, e.g. ejecting means; Means for exchanging bags
    • 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
    • A47L9/19—Means for monitoring filtering operation

Definitions

  • This invention relates to a device for a vacuum cleaner comprising a cyclone chamber and a collecting container arranged in association with the cyclone chamber for particles separated by the cyclone, the cyclone chamber comprising an inlet for dust laden air and an outlet for particles separated by the cyclone as well as an outlet for cleaned air the lastmentioned outlet being connected to a vacuum source and the particle outlet via a tube ending in the collecting container.
  • the invention also relates to a cassette to be used at the device.
  • Vacuum cleaners in which the particles are separated by means of cyclone action are previously l ⁇ iown, see for instance US 4463748.
  • conventional filter bags in which the particles are separated and collected are not used.
  • These vacuum cleaners are instead provided with a container to which the particles are successively distributed when the air/particle flow is rotated in a cylindrical separation chamber the particles by influence of the centrifugal forces being thrown towards the periphery of the chamber where the inlet of the container is placed .
  • the container When the container has been filled it is removed from the vacuum cleaner and is emptied in a dust bin or the like.
  • this is from an hygienic point of view not particullarly satisfying and consequently other arrangements have been proposed, see US 6168641.
  • the collecting container encloses a bag, for instance a plastic bag, in which the particles are collected.
  • a bag for instance a plastic bag
  • the bag is removed and thrown together with the content. This means a more hygienic handling of the dust bag with its content than the previously l ⁇ iown arrangements.
  • the purpose of this invention is to achieve an improved bag replacement system for a so called cyclone vacuum cleaner and this is achieved by means of a device having the characteristics mentioned in the claims.
  • Fig. 1 schematically shows a verticla section through a part of a cyclone vacuum cleaner whereas Fig. 2 is a section on the line II- II in Fig. 1.
  • the vacuum cleaner according to the invention comprises a cyclone chamber 10 which is limited by a cylindrical side wall 11 and a first and second end wall 12 and 13 resp.
  • the cyclone chamber has a preferably tangentially directed inlet 14 that is connected to a vacuum cleaner nozzle or the like, not shown, through which dust laden air flows into the cyclone chamber.
  • the cyclone chamber 10 is also provided with an air outlet 15 that is centrally placed and that via a passage 16 is connected to a vacuum source, not shown, such as an electrically driven fan unit.
  • a vacuum source not shown, such as an electrically driven fan unit.
  • the passage 16 is coaxial with the cyclone chamber and extends somewhat into the chamber at the central part of the first end wall 12.
  • the cyclone chamber also has a peripheral particle outlet 17 arranged close to the second end wall 13.
  • the screw conveyor 22 that preferably is made of plastic is flexible in the radial direction and is shaped such that it has an outer diameter that is considerably less than the inner diameter of the tube part 18 which means that the periphery of the screw conveyor has a comparatively large play with respect to the surrounding tube wall and also a certain play to the ridge 25.
  • the collecting container 21 comprises two tube halves 26 each having a first and second end wall 27, 28 the tube halves each being supported by a hinge 29 arranged at the outside of the tube part 18.
  • the two first end walls 27 are shaped such that they surrond the tube part 18 whereas the the second end walls 28 together form a bottom in the collecting container.
  • the tube halves 26 can thus be turned from and towards one another in order to admit insertion and removal of a cassette 30 containing a folded tube 31 of a non air permeable material such as plastic.
  • the cassette 30 has two coaxial sleeve shaped parts 32 and 33 with different diameters the parts at one of their ends being connected to one another by means of an end wall 34 whereby an annular chamber is created between the sleeve shaped parts in which the folded tube is stored. Also at the other end of the sleeves there is an and wall 35 this however being shaped such that a circular slot 36 is formed through which the tube is pulled out in order to form a bag 37 in the collecting container 21. Between the cassette 30 and the tube part 18 there is an annular sealing 38 such that the inside of the bag is sealed from the space 39 outside the bag. The lastmentioned space is also via a tubular conduit 40 connected to the passage 16.
  • the tube halves 26 which jointly form the collecting container 21 comprise a sealing and separating device 41 which is placed in the partition plane between the second end walls 28.
  • the lastmentioned device preferably comprises a heat creating means that when the bag is changed forms a welding joint 42 of a new bag 37 at the same time as a welding joint 43 closing the opening of a used bag 37a is created and which also separates the bags 37 and 37a from one another.
  • the device operates in the following manner.
  • dust laden air will be sucked in tangentially through the inlet 14 into the cyclone chamber 10 thereby creating a vortex which means that the particles in the air will be thrown towards the periphery of the cyclone chamber and leave through the particle outlet 17 whereas the air being free from particles leaves through the air outlet 15 towards the fan unit from which the air, possibly via one or several conventional filters leaves to atmosphere.
  • the separated particles, which from the particle outlet 17 are distributed into the tube part 18, will by means of the rotating screw conveyor 22 successively be moved into the bag 37a where they are collected on the bottom of the bag.
  • the ridge 25 and the radial flexibility of the screw conveyor increases the possibility for larger objects to pass through the system to the bag.
  • the screw conveyor When the bag 37a is successively filled the screw conveyor will compact the content in the bag whereby the screw conveyor 22 is exposed to an increased turning resistance which means that the current or power demand of the electric motor 23 increases.
  • the fill condition of the bag can be indicated and might be connected to the functions of the vacuum cleaner and for example turn off the vacuum cleaner.
  • the dust bag 37a When the dust bag 37a has been filled the tube halves 26 are turned from one another after which the bag 37a is pulled out such that it is placed immediately outside the collecting container. This means that a part of the tube 31 is pulled out of the cassette 30. Then the two tube halves 26 are closed the and sealing and separating device 41 is activated which means that the opening of the bag 37a and the bottom of the bag 37 will be sealed at the same time as the two bags are separated from one another.
  • the vacuum cleaner can then again be activated which means that the subatmospheric pressure created in the tube connection 16, which is greater than the subatmospheric pressure in the bag 37 and which is separated from it by means of the sealing 38, will pull the bag out towards the surrounding walls in the collecting container 21 before the bag again starts to be filled with particles.
  • the complete cassette 30 is pulled out from the collecting container 21 and a new cassette is pushed on the tube part 18 after which a suitable length of the tube 31 is pulled out and is sealed at its end by activating the sealing means 41.
  • the welding arrangement described above can be replaced by other types of sealing arrangements for instance by means of tape or clips, sealing by means of mechanical deformation of the plastic material (toggle joint) these devices preferably being combined with a knife for separating the filled bag.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Cyclones (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Abstract

This invention relates to a device for a vacuum cleaner comprising a cyclone chamber (10) and a collecting container (21) arranged in association with the cyclone chamber for particles separated by the cyclone. The cyclone chamber comprises an inlet (14) for dust laden air, a particle outlet (17) for particles separated by the cyclone and on outlet (15) for cleaned air. The lastmentioned outled is connected to a vacuum source and the particle outlet (15) for cleaned air. The lastmentioned outled is connecte to a vacuum source and the particle outlet (17) is via a tube (18) ending in the collecting container (21). The collecting container comprises a dust bag (37) for collecting the dust particles which is a part of a continius tube (31) of non air pervious material intended to create several bags. The invention also relates to a cassette intended to be used at the device.

Description

Device for a vacuum cleaner
This invention relates to a device for a vacuum cleaner comprising a cyclone chamber and a collecting container arranged in association with the cyclone chamber for particles separated by the cyclone, the cyclone chamber comprising an inlet for dust laden air and an outlet for particles separated by the cyclone as well as an outlet for cleaned air the lastmentioned outlet being connected to a vacuum source and the particle outlet via a tube ending in the collecting container. The invention also relates to a cassette to be used at the device.
Vacuum cleaners in which the particles are separated by means of cyclone action are previously lαiown, see for instance US 4463748. For such vacuum cleaners conventional filter bags in which the particles are separated and collected are not used. These vacuum cleaners are instead provided with a container to which the particles are successively distributed when the air/particle flow is rotated in a cylindrical separation chamber the particles by influence of the centrifugal forces being thrown towards the periphery of the chamber where the inlet of the container is placed . When the container has been filled it is removed from the vacuum cleaner and is emptied in a dust bin or the like. However, this is from an hygienic point of view not particullarly satisfying and consequently other arrangements have been proposed, see US 6168641. At the lastmentioned arrangement the collecting container encloses a bag, for instance a plastic bag, in which the particles are collected.. When the bag has been filled it is removed and thrown together with the content. This means a more hygienic handling of the dust bag with its content than the previously lαiown arrangements.
For conventional vacuum cleaners, i.e. such vacuum cleaners where separation takes place because the air flow is directed through the filter material of the bag it has previously been suggested, see EP322387, to use a tube shaped, folded filter web placed about an inlet tube in a separate chamber adjacent a bag space. By pulling out the free end of the filter web and closing it by means of a closing device at the same time as the the web is cut off a new bag is formed each time a new bag is to be replaced. Even if such an arrangement gives a simplified handling when changing the bag at conventional vacuum cleaners there is disadvantages with respect to the hygiene since the bag is air permeable which means that dust particles will deposite at the outside of the bag and hence make the operator dirty when handling the bag.
The purpose of this invention is to achieve an improved bag replacement system for a so called cyclone vacuum cleaner and this is achieved by means of a device having the characteristics mentioned in the claims.
An embodiment of the invention will now be described with reference to the accompanying drawing on which Fig. 1 schematically shows a verticla section through a part of a cyclone vacuum cleaner whereas Fig. 2 is a section on the line II- II in Fig. 1. As appears from the figures the vacuum cleaner according to the invention comprises a cyclone chamber 10 which is limited by a cylindrical side wall 11 and a first and second end wall 12 and 13 resp. The cyclone chamber has a preferably tangentially directed inlet 14 that is connected to a vacuum cleaner nozzle or the like, not shown, through which dust laden air flows into the cyclone chamber. The cyclone chamber 10 is also provided with an air outlet 15 that is centrally placed and that via a passage 16 is connected to a vacuum source, not shown, such as an electrically driven fan unit. Thus, the air which has been freed from particles leave through the air outlet 15. The passage 16 is coaxial with the cyclone chamber and extends somewhat into the chamber at the central part of the first end wall 12. The cyclone chamber also has a peripheral particle outlet 17 arranged close to the second end wall 13.
The particle outlet 17 continues into a cylindrical tube part 18 that is paralell to the cyclone chamber 10 and is closed at one of its ends by means of a wall part 19 whereas its second free end 20 extends into a collecting container 21 surrounding the tube part 18. The tube part 18 encloses a screw conveyor 22 driven by an electric motor 23 via a shaft 24 extending through the wall part 19. The current or power of the electric motor is sensed and influences in a suitable way the electric circuit, not shown, of the vacuum cleaner. The tube part also has an axially extending ridge 25 streching between the particle outlet 17 and the free end 20 of the tube part 18. The screw conveyor 22, that preferably is made of plastic is flexible in the radial direction and is shaped such that it has an outer diameter that is considerably less than the inner diameter of the tube part 18 which means that the periphery of the screw conveyor has a comparatively large play with respect to the surrounding tube wall and also a certain play to the ridge 25. The collecting container 21 comprises two tube halves 26 each having a first and second end wall 27, 28 the tube halves each being supported by a hinge 29 arranged at the outside of the tube part 18. The two first end walls 27 are shaped such that they surrond the tube part 18 whereas the the second end walls 28 together form a bottom in the collecting container. The tube halves 26 can thus be turned from and towards one another in order to admit insertion and removal of a cassette 30 containing a folded tube 31 of a non air permeable material such as plastic.
The cassette 30 has two coaxial sleeve shaped parts 32 and 33 with different diameters the parts at one of their ends being connected to one another by means of an end wall 34 whereby an annular chamber is created between the sleeve shaped parts in which the folded tube is stored. Also at the other end of the sleeves there is an and wall 35 this however being shaped such that a circular slot 36 is formed through which the tube is pulled out in order to form a bag 37 in the collecting container 21. Between the cassette 30 and the tube part 18 there is an annular sealing 38 such that the inside of the bag is sealed from the space 39 outside the bag. The lastmentioned space is also via a tubular conduit 40 connected to the passage 16.
The tube halves 26 which jointly form the collecting container 21 comprise a sealing and separating device 41 which is placed in the partition plane between the second end walls 28. The lastmentioned device preferably comprises a heat creating means that when the bag is changed forms a welding joint 42 of a new bag 37 at the same time as a welding joint 43 closing the opening of a used bag 37a is created and which also separates the bags 37 and 37a from one another.
The device operates in the following manner. When the fan unit is started dust laden air will be sucked in tangentially through the inlet 14 into the cyclone chamber 10 thereby creating a vortex which means that the particles in the air will be thrown towards the periphery of the cyclone chamber and leave through the particle outlet 17 whereas the air being free from particles leaves through the air outlet 15 towards the fan unit from which the air, possibly via one or several conventional filters leaves to atmosphere. The separated particles, which from the particle outlet 17 are distributed into the tube part 18, will by means of the rotating screw conveyor 22 successively be moved into the bag 37a where they are collected on the bottom of the bag. The ridge 25 and the radial flexibility of the screw conveyor increases the possibility for larger objects to pass through the system to the bag. When the bag 37a is successively filled the screw conveyor will compact the content in the bag whereby the screw conveyor 22 is exposed to an increased turning resistance which means that the current or power demand of the electric motor 23 increases. By sensing this the fill condition of the bag can be indicated and might be connected to the functions of the vacuum cleaner and for example turn off the vacuum cleaner. When the dust bag 37a has been filled the tube halves 26 are turned from one another after which the bag 37a is pulled out such that it is placed immediately outside the collecting container. This means that a part of the tube 31 is pulled out of the cassette 30. Then the two tube halves 26 are closed the and sealing and separating device 41 is activated which means that the opening of the bag 37a and the bottom of the bag 37 will be sealed at the same time as the two bags are separated from one another. The vacuum cleaner can then again be activated which means that the subatmospheric pressure created in the tube connection 16, which is greater than the subatmospheric pressure in the bag 37 and which is separated from it by means of the sealing 38, will pull the bag out towards the surrounding walls in the collecting container 21 before the bag again starts to be filled with particles.
When the tube 31 is finished the complete cassette 30 is pulled out from the collecting container 21 and a new cassette is pushed on the tube part 18 after which a suitable length of the tube 31 is pulled out and is sealed at its end by activating the sealing means 41. It should be pointed out that the welding arrangement described above can be replaced by other types of sealing arrangements for instance by means of tape or clips, sealing by means of mechanical deformation of the plastic material (toggle joint) these devices preferably being combined with a knife for separating the filled bag.

Claims

Claims
1. Device for a vacuum cleaner comprising a cyclone chamber (10) and a collecting container (21) arranged in association with the cyclone chamber for particles separated by the cyclone, the cyclone comprising an inlet (14) for dust laden air, a particle outlet (17) for particles separated by the cyclone and an outlet (15) for cleaned air the lastmentioned outlet being connected to a vacuum source and the particle outlet (17) via a tube part (18) ending in the collecting container (21) characterized in that the collecting container comprises a dust bag (37) for collecting the dust particles which is a part of a continius, flexible tube (31) of non air pervious material intended to create several bags.
2. Device according to claim 1 characterized in that a main part of the tube (31) is supported by means of a removable cassette (30) arranged at one end of the collecting container (21) the tube (31) and the cassette (30) surrounding a part of the tube part (18) that extends into the collecting container (21).
3. Device according to claim 2 characterized in that the cassette (30) is formed by means of two sleeve shaped parts (32,33) that at one of their ends are connected to one another by means of an end wall (34) whereby an annular chamber enclosing a major part of the tube (31) is created.
4. Device according to claim 2 or 3 characterized in that the part of the cassette (30) that faces the other end of the collecting container (21) is provided with an opening (36) through which the continious tube (31) extends.
5. Device according to any of claims 2-4 characterized in that the part of the cassette (30) that faces the tube part (18) is provided with a sealing (38) that surrounds the tube part and prevents air from entering between the cassette and the tube part.
6. Device according to any of claims 1-5 characterized in that the bottom of the vacuum cleaner dust bag (37) on which the particles are collected is a sealed end of the continious tube, which end for instance by welding is sealed by means of a sealing device (41) arranged at the collecting container.
7. Device according to claim 6 characterized in that the sealing device (41) is provided with means for simultaneously sealing and separating a tube portion from the end of the tube and to seal that end of the tube portion which is closest the sealing device when the tube portion has been pulled out from the collecting container whereby the tube portion together with its content forms a sealed bag.
8. Device according to any of the preceding claims characterized in that the collecting container (21) by means of an air passage (40) communicates with the air flowing to the vacuum source at a point up-stream the outlet (15) for cleaned air in the cyclone chamber (10).
9. Device according to any of the preceding claims characterized in that said tube part (18) encloses a screw conveyor (22).
10. Device according to claim 9 characterized in that the screw conveyor (22) is driven by an electric motor (23) the current or power demand of the electric motor being used to indicate the fill state in the collecting container (21).
11. Cassette for use at the device mentioned in claim 1 characterized in that it comprises a housing having two sleeve shaped parts (32,33) that at one or both ends is provided with an end wall (34,35) where at least one of the end walls (34) connects the two sleeves with one another whereas the cassette close to the other end wall is provided with an opening (36) through which a tube (31), stored between the sleeves, of non air pervious material can be pulled out from the cassette.
PCT/SE2003/000315 2002-03-08 2003-02-26 Device for a vaccum cleaner WO2003075732A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2003574014A JP4426312B2 (en) 2002-03-08 2003-02-26 Vacuum cleaner equipment
EP03705632A EP1485004B1 (en) 2002-03-08 2003-02-26 Device for a vacuum cleaner
AU2003206581A AU2003206581A1 (en) 2002-03-08 2003-02-26 Device for a vaccum cleaner
US10/505,812 US7419523B2 (en) 2002-03-08 2003-02-26 Device for a vacuum cleaner
DE60320238T DE60320238T2 (en) 2002-03-08 2003-02-26 DEVICE FOR A VACUUM CLEANER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0200767A SE521474C2 (en) 2002-03-08 2002-03-08 Device at a vacuum cleaner and cartridge for use with the device
SE0200767-2 2002-03-08

Publications (1)

Publication Number Publication Date
WO2003075732A1 true WO2003075732A1 (en) 2003-09-18

Family

ID=20287259

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2003/000315 WO2003075732A1 (en) 2002-03-08 2003-02-26 Device for a vaccum cleaner

Country Status (9)

Country Link
US (1) US7419523B2 (en)
EP (1) EP1485004B1 (en)
JP (1) JP4426312B2 (en)
CN (1) CN1305431C (en)
AT (1) ATE391448T1 (en)
AU (1) AU2003206581A1 (en)
DE (1) DE60320238T2 (en)
SE (1) SE521474C2 (en)
WO (1) WO2003075732A1 (en)

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US7332005B2 (en) 2003-02-28 2008-02-19 The Hoover Company Filtration bag replacement system for a floor care appliance
WO2008154274A2 (en) * 2007-06-06 2008-12-18 Applied Magnetics Lab, Inc. Vacuum cleaners with self-cleaning filtration, other self-cleaning filters, self-cleaning valves for use in vacuum cleaners and other self-cleaning valves
CZ300969B6 (en) * 2004-12-06 2009-09-30 Machala@Petr Vacuum cleaner with technology combination
DE102010041832A1 (en) 2010-09-30 2012-04-05 BSH Bosch und Siemens Hausgeräte GmbH Vacuum cleaner, has dust collection container whose bottom surface is formed by flat film, and package device that forms dust bag for accommodating dust from dust collection container while emptying dust collection container from flat film
EP2387928A3 (en) * 2008-12-17 2013-08-14 Vorwerk & Co. Interholding GmbH Method for operating a vacuum cleaner and vacuum cleaner operated by electric motor and tubular filter material supply
US8991003B2 (en) 2012-10-18 2015-03-31 Bissell Homecare, Inc. Vacuum cleaner with filter cartridge

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US10631697B2 (en) 2014-02-14 2020-04-28 Techtronic Industries Co. Ltd. Separator configuration
KR101627637B1 (en) * 2014-06-10 2016-06-07 주식회사 중정 vacuum cleaner
KR101627639B1 (en) 2014-06-27 2016-06-07 주식회사 중정 vacuum cleaner
KR101642024B1 (en) 2014-07-17 2016-07-29 주식회사 중정 vacuum cleaner
WO2016065148A2 (en) 2014-10-22 2016-04-28 Techtronic Industries Co. Ltd. Vacuum cleaner having cyclonic separator
CN107205603B (en) 2014-10-22 2020-10-13 创科实业有限公司 Vacuum cleaner with cyclone separator
CN107072453B (en) 2014-10-22 2019-08-30 创科实业有限公司 Hand-held vacuum cleaner
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JP6808189B2 (en) * 2016-04-28 2021-01-06 株式会社カワタ Recovery device, drying device and recovery method
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WO2008154274A2 (en) * 2007-06-06 2008-12-18 Applied Magnetics Lab, Inc. Vacuum cleaners with self-cleaning filtration, other self-cleaning filters, self-cleaning valves for use in vacuum cleaners and other self-cleaning valves
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DE102010041832A1 (en) 2010-09-30 2012-04-05 BSH Bosch und Siemens Hausgeräte GmbH Vacuum cleaner, has dust collection container whose bottom surface is formed by flat film, and package device that forms dust bag for accommodating dust from dust collection container while emptying dust collection container from flat film
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US7419523B2 (en) 2008-09-02
AU2003206581A1 (en) 2003-09-22
CN1305431C (en) 2007-03-21
SE521474C2 (en) 2003-11-04
ATE391448T1 (en) 2008-04-15
SE0200767D0 (en) 2002-03-08
DE60320238D1 (en) 2008-05-21
JP2005519664A (en) 2005-07-07
DE60320238T2 (en) 2009-05-14
EP1485004B1 (en) 2008-04-09
CN1638681A (en) 2005-07-13
JP4426312B2 (en) 2010-03-03
SE0200767L (en) 2003-09-09
US20050125943A1 (en) 2005-06-16
EP1485004A1 (en) 2004-12-15

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