US20140020204A1 - Vacuum Cleaner - Google Patents

Vacuum Cleaner Download PDF

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Publication number
US20140020204A1
US20140020204A1 US14/000,360 US201214000360A US2014020204A1 US 20140020204 A1 US20140020204 A1 US 20140020204A1 US 201214000360 A US201214000360 A US 201214000360A US 2014020204 A1 US2014020204 A1 US 2014020204A1
Authority
US
United States
Prior art keywords
dust
collecting container
vacuum cleaner
dust collecting
separating device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US14/000,360
Other languages
English (en)
Inventor
Anders Haegermarck
Håkan Miefalk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrolux AB
Original Assignee
Electrolux AB
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 Electrolux AB filed Critical Electrolux AB
Assigned to AKTIEBOLAGET ELECTROLUX reassignment AKTIEBOLAGET ELECTROLUX ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HAEGERMARCK, ANDERS, MIEFALK, HAKAN
Publication of US20140020204A1 publication Critical patent/US20140020204A1/en
Abandoned legal-status Critical Current

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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
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1625—Multiple arrangement thereof for series flow
    • 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
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1641—Multiple arrangement thereof for parallel flow
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • 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
    • A47L9/106—Dust removal
    • A47L9/108—Dust compression means
    • 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
    • A47L9/1658—Construction of outlets
    • 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
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1691—Mounting or coupling means for cyclonic chamber or dust 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
    • A47L9/19—Means for monitoring filtering operation
    • 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
    • A47L9/32—Handles
    • A47L9/327—Handles for suction cleaners with hose between nozzle and casing

Definitions

  • the present invention relates to a vacuum cleaner, and more particularly, to a bagless vacuum cleaner.
  • the invention is intended for use particularly but not exclusively in a bagless vacuum cleaner comprising one or more dust separating steps wherein the dust separation takes place in one or more cyclone separation units.
  • a vacuum cleaner includes a suction nozzle for sucking air and dust while the suction nozzle moves along a surface, a main body with a motor and a fan for generating air suctioning force through the suction nozzle and a dust collecting unit.
  • a vacuum cleaner of a cyclone type is disclosed.
  • a dust collector is detachably attached to the main body of the vacuum cleaner and includes a first cyclone unit and a dust storage chamber receiving dust separated by the first cyclone.
  • a rotating dust compressing arrangement is arranged in the dust storage chamber for compressing dust between a first and a second pressing member.
  • a driving unit positioned in the bottom of the dust storage chamber rotates at least one of the pressing members for compressing dust in the dust storage chamber.
  • a drawback with the system described in WO2009/011478A1 is that it requires a further driving unit to compact dust in the dust storage container in addition to the driving unit or motor for generating air suctioning force. Also, the system comprises many constructional parts, which makes it both expensive and sensitive for failure in one of the parts. Furthermore, when the dust storage chamber needs to be emptied it involves several steps for the user as both a top cover as well as the first cyclone has to be removed before the dust can be removed through the top.
  • US2006/0123749A1 discloses a dust collecting unit of a bagless vacuum cleaner.
  • the dust collecting unit is separated into a dust separating compartment provided with a separating filter and a dust storing compartment for receiving separated dust.
  • the two compartments are divided by a plate having an opening through which dust or foreign substance may fall into the dust storing compartment.
  • the dust collecting unit For compressing dust in the storing compartment, the dust collecting unit must be removed from the vacuum cleaner and a handle is then used for moving the plate downwards in the dust collecting unit for compressing the dust. It is a drawback with the described device that the dust cannot be compressed during operation of the vacuum cleaner.
  • An object of the present invention is to overcome at least one of the above mentioned drawbacks.
  • a further object is to provide an effective and yet robust solution for dust separation, dust collection and compression of dust in a bagless vacuum cleaner.
  • a still further object is to provide an improved solution for emptying of dust from a bagless vacuum cleaner that is quick and at the same time easy and convenient for the user to perform.
  • a vacuum cleaner comprising a dust separating device, provided with a dust outlet, for separating dust from an incoming air flow, and a dust collecting container being arranged at the dust separating device for receiving dust via the dust outlet from the dust separating device.
  • the dust separating device comprises a first part and a second part being releasably connectable to each other, wherein the second part of the dust separating device is arranged to be movable in the dust collecting container after being released from the first part of the dust separating device for compressing dust received in the dust collecting container.
  • the first and second part of the dust separating device are releasably connectable to each other, a both space saving and effective construction for dust separation, dust collection and compression of dust in a bagless vacuum cleaner may be obtained.
  • the first and second part of the dust separating device are disconnected from each other, they are divided in a point where dust separating device is relatively clean, i.e. the dividing point is selected to a place where a minimum of dust can or will be accumulated. Therefore, the risk that dust is present to disturb either the dust compressing in the dust collecting container or the sealing between the dust collecting container and the dust separating device is minimized.
  • the second part of the dust separating device is attached to a cover plate providing a top cover in the dust collecting container.
  • the second part of the dust separating device at least partly constitutes the cover plate.
  • the cover plate has an outer periphery provided with a sealing member for sealing against an inner wall of the dust collecting container.
  • a rim is provided on the inner wall of the dust collecting container that cooperates with the sealing member during operation of the vacuum cleaner.
  • the sealing member comprises a first sealing portion sealing against the rim providing a vacuum seal for a vacuum produced in the dust collecting container during operation of the vacuum cleaner. Furthermore, the sealing member comprises a second sealing portion providing scraping against the inner wall of the dust collecting container when the cover plate together with the second part of the dust separating device moves in the dust collecting container in a direction away from the rim.
  • an actuator is being arranged at the dust collecting container and is arranged for actuating the second part of the dust separating device to be moved in the dust collecting container for compressing dust received therein. Also, the actuator is arranged to be movable between a locked position and an actuating position by pivoting about a pivoting axis.
  • the actuator comprises a handle comprising a handle bar and at least one arm being slidably arranged relatively a longitudinal side of the dust collecting container.
  • the actuator comprises a locking arrangement for locking the dust collecting container and dust separating device to the vacuum cleaner in the locked position.
  • the handle bar of the actuator is designed to be actuated by a user of the vacuum cleaner. Unlocking of the actuator and compression of dust in the dust collecting container may be done during operation of the vacuum cleaner. This is an advantage as the dust compression operation is booth easy and quickly performed. After the dust has been compressed in the dust collecting container, the actuator is brought back to the locked position and the user may continue the cleaning business.
  • the dust collecting container together with the second part of the dust separating device is removable from the vacuum cleaner.
  • the compression of dust can also be made when the dust collecting container together with the second part of the dust separating device has been removed from the vacuum cleaner. It would then be advantageous if holding the dust collecting container together with the second part of the dust separating device and the compression of the dust were arranged to be performable with only one hand. In this way the dust collecting container may comfortably be emptied in a dust bin or the like without causing any spillage or swirling of dust to the surrounding.
  • the compression movement as such would also facilitate the emptying of the dust collecting container (whether or not compression has been performed prior to the emptying procedure).
  • the dust collecting container comprises an openable bottom plate arranged to be hingedly connected to the dust collecting container.
  • the bottom plate comprises an opening and closing arrangement attached to the outside wall of the dust collecting container at a distance from the bottom plate in a direction parallel to a longitudinal axis of the dust collecting container. Further, the opening and closing arrangement comprises at least one arm hingedly connected to the bottom plate and slidable arranged at the outside wall of the dust collecting container such that a controlled opening of the bottom plate is obtained.
  • the dust may be pushed out through the opening provided by the openable bottom plate.
  • the opening and closing of the bottom plate is controlled by the opening and closing arrangement. Accordingly, the user may empty the dust collecting container smoothly. The user does not need to touch the bottom plate or the dust itself during the procedure of emptying the dust collecting container and reclosing it again. It is therefore possible for a user to control how fast the dust is leaving the container by controlling the speed on the actuator that is pushing out the dust and controlling the opening angle on the bottom plate. Furthermore, the flying up of dust and/or dust spillage is prevented or at least minimized with the described features of the vacuum cleaner.
  • FIG. 1 a is a perspective front view of a vacuum cleaner according to an embodiment of the present invention
  • FIG. 1 b is a perspective front view of a vacuum cleaner according to an embodiment of the present invention
  • FIG. 2 a shows a side view of a dust separating device and a dust collecting container according to an embodiment
  • FIG. 2 b shows a perspective cross sectional view of the dust separating device and the dust collecting container of FIG. 2 a
  • FIG. 3 a - 3 b show cross sectional views of the dust separating device and the dust collecting container when a second part of the dust separating device has been released from a first part of the dust separating device
  • FIG. 4 illustrates a perspective view of the dust collecting container and a second part of the dust separating device according an embodiment when the dust collecting container is removed from the vacuum cleaner
  • FIG. 5 illustrates a perspective view of the dust collecting container and a second part of the dust separating device according an embodiment when removed from the vacuum cleaner for ejecting dust
  • FIG. 6 a illustrates a dust separating device and a dust collecting container according to another embodiment
  • FIGS. 6 b - 6 c show cross sectional views of the dust collecting container according to FIG. 6 a removed from the vacuum cleaner.
  • FIGS. 1 a and 1 b a vacuum cleaner 1 according to embodiments are shown.
  • the vacuum cleaner comprises a main body 3 , a dust separating device 5 and a dust collecting container 7 .
  • a suction motor (not shown) is disposed in the main body for generating a suction force at an air inlet 9 .
  • a hose system and nozzle can be connected to the air inlet 9 for performing the cleaning. Basically, any known hose system and nozzle is feasible.
  • a first air passage 11 leads incoming air to the dust separating device 5 .
  • a second air passage 13 then leads the incoming air out from the dust separating device 5 after dust has been removed from the air. After the incoming air has passed through the second air passage 13 , the incoming air leaves the vacuum cleaner through the main body via the suction motor, at least one filter and out to the surrounding air.
  • the vacuum cleaner 1 comprises one or several stages of dust separation, whether each stage comprises one or multiple separation devices, and whether one or more dust collecting containers is utilised.
  • the invention can thus be implemented in any type of combination of the above.
  • the vacuum cleaner 1 further comprises a grip 17 such that the vacuum cleaner may be lifted and/or carried by a user.
  • the grip 17 is arranged on an extension member 18 of the dust collecting container 7 .
  • the grip may be formed as a separate member attached to the dust collecting container.
  • the grip 17 may further be used for removing the dust collecting container 7 from the vacuum cleaner for emptying the dust collecting container.
  • An actuator 19 is provided at an outer side of the dust collecting container. The dust separating device 5 and the dust collecting container 7 are in use locked to the main body of the vacuum cleaner 1 by the actuator 19 .
  • the actuator 19 will be described in more detail further below.
  • the grip 17 is positioned below the dust collecting container and above the air inlet 9 and above the first air passage 11 .
  • the grip 17 extends on both sides of the dust collecting container and is attached at the sides of the vacuum cleaner body 3 .
  • the tube of the first air passage 11 has been removed as to view the connection of the grip 17 to the body 3 .
  • the first air passage 11 is in this embodiment arranged similar to the arrangement in FIG. 1 a .
  • the actuator 19 is attached onto the dust collecting container 7 as described herein below.
  • FIG. 2 a the dust separating device 5 is shown being engaged to the dust collecting container 7 in a locked position.
  • the actuator 19 is locked to the main body of the vacuum cleaner when a locking groove 21 on the actuator is engaged to a corresponding locking member (not shown) on the main body of the vacuum cleaner. In this state the vacuum cleaner is operable and dust is separated from the air coming in through the first air passage.
  • the actuator 19 has the form of a handle, having two side arms 19 a , 19 b and a handle bar 20 .
  • the side arms 19 a , 19 b are arranged to the extension member 18 of the dust collecting container at two points arranged opposite each other.
  • the two side arms each have a longitudinal opening 23 .
  • the longitudinal openings are each coupled to a pin member 25 or protrusion on the extension member of the dust collecting container.
  • the actuator is further arranged to the extension member of the dust collecting container via two substantially parallel slots 27 arranged in the two points respectively on the extension member of the dust collecting container.
  • the provision of the longitudinal opening 23 in each side arm 19 a , 19 b of the actuator together with each arm's connection to the extension member via the two substantially parallel slots 27 makes it possible for the actuator to move from the locked position to an actuating position. From the actuating position the actuator is moveable to compress dust in the dust collecting container.
  • the compression sequence or performance is shown in FIGS. 3 a - b.
  • the actuator may also be devised to be placed in an additional third position (not shown in the figures).
  • the third position could be located next to the locked position (a small angular distance about the same pivot) and can carry the functionality of freeing the dust collecting container and second part of the dust separating device.
  • the dust container structure in the first position the dust container structure is locked to the vacuum cleaner body (normal use), in the third position the dust container structure is un-locked (and can be removed from the vacuum cleaner body if the user wishes to do so) and in the second position, compression of dust inside the dust collection container and/or emptying of the container is possible (emptying is only possible if the dust container structure has been removed from the vacuum cleaner body, whereas compression can be made irrespective of this).
  • the dust separating device 5 comprises a first part 5 a and a second part 5 b .
  • the air flow in the first part 5 a and the second part 5 b of the dust separating device 5 is illustrated with block arrows.
  • the incoming air flow enters the first part 5 a of the dust separating device 5 .
  • the first part 5 a and second part 5 b of the dust separating device 5 constitute a cyclone unit. In the cyclone unit the incoming air flow flows along the inner surfaces of the first and second part of the dust separating device.
  • the dust outlet 29 is provided in the side wall of the second part 5 b of the dust separating device 5 .
  • the bottom of the second part 5 b of the dust separating device 5 is provided with a cone shape. At the bottom of the second part 5 b of the dust separating device the air flow turns around and flows back towards the first part 5 a of the dust separating device 5 and into the second air passage 13 . This is illustrated by the arrow in the middle of the cyclone unit with a direction away from the cone shaped bottom.
  • the first and second parts 5 a,b of the dust separating device 5 are releasable connected to each other and are sealed against each other in the locked position by a sealed connection 31 between the first and second part 5 a,b of the dust separating device 5 .
  • the second part 5 b of the dust separating device is attached to a cover plate 33 .
  • the cover plate 33 acts as a cover in the dust collecting container 7 .
  • the dust outlet 29 extends through the cover plate 33 providing communication between the second part 5 b of the dust separating device and the dust collecting container 7 .
  • the sealed connection 31 is disconnected and the second part 5 b of the dust separating device 5 and the cover plate 33 can together be moved in the dust collecting container 7 to compress dust therein against a bottom plate 32 of the dust collecting container 7 .
  • the grey dotted arrow illustrates dust and other foreign particles that have been separated from the air being ejected through the dust outlet 29 into the dust collecting container 7 .
  • FIG. 3 a the actuator 19 has been unlocked from the main body of the vacuum cleaner. Unlocking the actuator 19 from the main body also releases the second part 5 b of the dust separating device from the first part 5 a of the dust separating device. By moving the actuator 19 away from the main body 3 about a pivot axis around the pin member 25 or protrusion, the actuator 19 reaches an actuating position shown in FIG. 3 b . As the second part 5 b of the dust separating device has been released from the first part 5 a of the dust separating device it is now possible to move the second part 5 b into the dust collecting container 7 . A joining member 35 connects the second part 5 b and the actuator 19 such that when the actuator 19 is moved downwards with respect to the dust collecting container the second part 5 b and the cover plate 33 are moved downwards in the dust collecting container 7 , see FIG. 4 b.
  • This process can be performed with the dust collecting container still in place on the vacuum cleaner and even with the vacuum cleaner switched on.
  • the air flow generated by the motor will then mainly result in air flowing into the first part 5 a at the separation point with the second part 5 b .
  • any dust that may swirl upwards in the dust collecting container 7 will be sucked into the first part 5 a instead of the surrounding.
  • the cover plate 33 defines a cover for the dust collecting container.
  • the second part 5 b of the dust separating device is connected to the cover plate 33 .
  • the cover plate 33 has an outer periphery provided with a sealing member 37 .
  • the sealing member 37 seals against the inner walls of the dust collecting container 7 .
  • the sealing member 37 comprises a first sealing portion 37 a and second sealing portion 37 b .
  • the first sealing portion 37 a provides a vacuum seal against a rim 39 arranged around the inner wall of the dust collecting container 7 when the second part 5 b of the dust separating device is in the locked position connected to the first part 5 a of the dust separating device.
  • the first sealing portion 37 a is also released from sealing against the rim 39 .
  • the second sealing portion 37 b provides scraping of the inner walls of the dust collecting container 7 as the cover plate 33 is moved in the dust collecting container 7 .
  • the second sealing portion 37 b is always in contact with the inner walls of the dust collecting container 7 . The provision of the second sealing portion 37 b prevents dust from disturbing the first sealing portion 37 a.
  • FIGS. 4 and 5 show the dust collecting container 7 when it has been removed from the vacuum cleaner.
  • the dust collecting container 7 is removed from the vacuum cleaner together with the second part 5 b of the dust separating device and the actuator 19 .
  • the bottom plate 32 has to be opened to let the dust out.
  • the bottom plate 32 is connected to the dust collecting container via at least one hinge 41 .
  • the bottom plate 32 is opened by operating an opening and closing arrangement 43 , 45 positioned on the outside of the dust collecting container 7 .
  • the opening and closing arrangement 43 , 45 comprises a handle 43 and a connecting bar 45 , see FIG. 4 .
  • the connecting bar 45 connects the handle 43 with the bottom plate 32 .
  • the connecting bar 45 is hingedly connected to the bottom plate 32 .
  • the handle 43 is connected to the connecting bar and the handle is slidably arranged along a flange 47 on the outside of the dust collecting container.
  • FIG. 5 the dust collecting container is shown with the bottom plate 32 in an open position.
  • the actuator 19 has been pushed downwards such that the second part 5 b of the dust separating device together with the cover plate 33 has removed all dust through the open bottom of the dust collecting container.
  • the function of the cover plate 33 and the second sealing portion 37 b ensures that a complete emptying will take place anyway.
  • the actuator 19 and extension member 18 are preferably configured to allow a user to hold the dust collecting container in one hand and with the same hand push the actuator towards the bottom opening while controlling the opening of the bottom plate 32 with the other hand.
  • This provides the user with complete control over the emptying process in applying any suitable compression/emptying pressure on the actuator 19 and at the same time control the degree of opening/closing of the bottom plate 32 . In this way, a controlled opening and closing of the bottom plate 32 may be obtained and utilised.
  • FIGS. 6 a - c show another embodiment of the dust separating device 7 , dust collecting container and actuator adapted to be arranged in a vacuum cleaner of the type described in FIGS. 1 a and 1 b .
  • a second part 5 b of a dust separating device 5 constitutes at least partly a cover plate.
  • the dust outlet 29 is provided in the bottom of the second part 5 b of the dust separating device 5 .
  • the actuator 19 is arranged on the inside wall of the dust collecting container.
  • the actuator is locked to the main body of the vacuum cleaner. The actuator may be unlocked and the second part of the dust separating device is released from the first part of the dust separating device according to the same principles as for the embodiment according to FIGS.
  • the actuator is positioned in the actuating position.
  • the actuator comprises at least one side arm connected to the first part of the dust separating device and being arranged within the inner walls of the dust collecting container.
  • the cover plate 33 which in this embodiment partly consists of the bottom of the second part of the dust separating device, has an outer periphery provided with a sealing member for sealing against the inner walls of the dust collecting container.
  • the first and second sealing portion in this embodiment works in the same way as described in relation to the embodiment of FIGS.
  • the dust collecting container together with the second part of the dust separating device is removed from the vacuum cleaner by lifting in the handle bar of the actuator.
  • a side handle 49 is provided on the outer wall of the dust collecting container.
  • FIGS. 1-6 An exemplary operation of the vacuum cleaner 1 will herein below be described with reference to FIGS. 1-6 .
  • the suction motor operates to generate a suction force. Due to the generated suction force, air and dust is sucked through a suction nozzle (not shown) and into the main body 3 through the air inlet 9 .
  • the air inlet 9 is connected to the dust separating device 5 via the first air passage 11 .
  • the first air passage 11 leads air and dust into the dust separating device 5 and dust separated here falls into the dust collection container 7 .
  • the air continues into a second air passage 13 which leads the air via the suction motor and at least one filter out of the vacuum cleaner to the surrounding air.
  • the second air passage 13 leads into a further dust separating step.
  • this further dust separating step at least a second cyclone unit performs the further dust separation step before the air enters the suction motor and at least one filter on its way out of the vacuum cleaner.
  • dust collected in the dust collecting container may come close to the dust outlet 29 . If collected dust comes too close to the dust outlet, the separating efficiency of the dust separating device in the vacuum cleaner declines.
  • the actuator 19 may be unlocked from the main body and the second part 5 b of the dust separating device is moved into the dust collecting container 7 for compressing dust received therein.
  • the vacuum cleaner may be turned off and the dust collecting container removed from the vacuum cleaner for performing the dust compression and thereafter emptying of the dust collecting container.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
US14/000,360 2011-02-22 2012-02-22 Vacuum Cleaner Abandoned US20140020204A1 (en)

Applications Claiming Priority (3)

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PCT/EP2011/000844 WO2012113414A1 (en) 2011-02-22 2011-02-22 Vacuum cleaner
EPPCTEP201100844 2011-02-22
PCT/EP2012/052980 WO2012113814A1 (en) 2011-02-22 2012-02-22 Vacuum cleaner

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US20140020204A1 true US20140020204A1 (en) 2014-01-23

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US14/000,360 Abandoned US20140020204A1 (en) 2011-02-22 2012-02-22 Vacuum Cleaner
US14/000,372 Abandoned US20140020203A1 (en) 2011-02-22 2012-02-22 Vacuum Cleaner
US14/000,368 Abandoned US20140026356A1 (en) 2011-02-22 2012-02-22 Vacuum Cleaner
US14/000,381 Abandoned US20140053366A1 (en) 2011-02-22 2012-02-22 Vacuum Cleaner Dust Container and a Vacuum Cleaner

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US14/000,372 Abandoned US20140020203A1 (en) 2011-02-22 2012-02-22 Vacuum Cleaner
US14/000,368 Abandoned US20140026356A1 (en) 2011-02-22 2012-02-22 Vacuum Cleaner
US14/000,381 Abandoned US20140053366A1 (en) 2011-02-22 2012-02-22 Vacuum Cleaner Dust Container and a Vacuum Cleaner

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US (4) US20140020204A1 (ja)
JP (4) JP2014506515A (ja)
KR (4) KR20140017576A (ja)
CN (4) CN103476313B (ja)
AU (4) AU2012219632A1 (ja)
CA (4) CA2825035A1 (ja)
WO (5) WO2012113414A1 (ja)

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US20190231157A1 (en) * 2018-02-01 2019-08-01 Jason Yan Dust gathering box
WO2020246740A3 (ko) * 2019-06-05 2021-01-28 엘지전자 주식회사 청소기
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JP2014505565A (ja) 2014-03-06
WO2012113814A1 (en) 2012-08-30
JP2014506516A (ja) 2014-03-17
KR20140017576A (ko) 2014-02-11
WO2012113414A1 (en) 2012-08-30
CN103458753A (zh) 2013-12-18
KR20140004203A (ko) 2014-01-10
WO2012113840A1 (en) 2012-08-30
CN103476313B (zh) 2015-11-25
AU2012219643A1 (en) 2013-08-01
JP2014506515A (ja) 2014-03-17
CA2825686A1 (en) 2012-08-30
WO2012113821A1 (en) 2012-08-30
US20140026356A1 (en) 2014-01-30
CA2825601A1 (en) 2012-08-30
CA2825685A1 (en) 2012-08-30
KR20140009340A (ko) 2014-01-22
AU2012219632A1 (en) 2013-08-01
CN103476313A (zh) 2013-12-25
US20140020203A1 (en) 2014-01-23
AU2012219521A1 (en) 2013-08-01
WO2012113839A1 (en) 2012-08-30
KR20140009338A (ko) 2014-01-22
CN103476312B (zh) 2016-08-10
CN103476312A (zh) 2013-12-25
JP2014506517A (ja) 2014-03-17
CN103476311A (zh) 2013-12-25
AU2012219519A1 (en) 2013-08-01
US20140053366A1 (en) 2014-02-27

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