WO2016096037A1 - Embout pour aspirateur et aspirateur - Google Patents

Embout pour aspirateur et aspirateur Download PDF

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Publication number
WO2016096037A1
WO2016096037A1 PCT/EP2014/078725 EP2014078725W WO2016096037A1 WO 2016096037 A1 WO2016096037 A1 WO 2016096037A1 EP 2014078725 W EP2014078725 W EP 2014078725W WO 2016096037 A1 WO2016096037 A1 WO 2016096037A1
Authority
WO
WIPO (PCT)
Prior art keywords
vacuum cleaner
brush roll
cleaner nozzle
brush
chamber
Prior art date
Application number
PCT/EP2014/078725
Other languages
English (en)
Inventor
Maeva SCHALLER
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 PCT/EP2014/078725 priority Critical patent/WO2016096037A1/fr
Publication of WO2016096037A1 publication Critical patent/WO2016096037A1/fr

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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor
    • 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
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
    • 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
    • A47L9/02—Nozzles
    • 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls
    • 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0494—Height adjustment of dust-loosening tools

Definitions

  • the present invention relates to a vacuum cleaner nozzle.
  • the present invention further relates to a vacuum cleaner comprising a vacuum cleaner nozzle.
  • a vacuum cleaner is provided with a vacuum cleaner nozzle, herein also referred to simply as a nozzle, through which dust and debris are sucked up into a container of the vacuum cleaner.
  • a vacuum cleaner nozzle herein also referred to simply as a nozzle
  • the nozzle may be provided with one or more rotating brush rolls.
  • US 2002/124346 discloses a vacuum cleaner having a suction nozzle comprising an agitator housing.
  • the agitator housing forms a downwardly disposed nozzle chamber divided into a right and left agitator chamber.
  • the right and left agitator chambers each have a front suction duct adjacent the front edges of the respective agitator chambers.
  • the right and left agitator chambers also have a rear suction duct adjacent the rear edges of the respective agitator chambers.
  • a front and a rear agitator in the form of brush rolls.
  • the two agitators rotate, they produce an airflow. Since two agitators are arranged in one agitator chamber, an interaction of the airflow from the two agitator creates a detrimental turbulent airflow, which may reduce dust pickup of the suction nozzle.
  • US 2004/216265 discloses a floor cleaning apparatus including a nozzle assembly including a housing and a cooperating hood defining an agitator cavity.
  • First and second agitators in the form of brush rolls are carried by the nozzle assembly in the agitator cavity.
  • the hood includes a wall and a baffle.
  • a first section of the wall and the baffle define a first channel that receives the first agitator.
  • a second section of the wall and the baffle define a second channel that receives the second agitator.
  • the baffle functions to reduce the detrimental interaction of the turbulent airflow produced by the two, separate agitators.
  • first and second agitators are arranged in one agitator cavity having one inlet opening for dust and debris, and one outlet opening for dust and debris.
  • the airflows from the first and second agitators affect each other.
  • a vacuum cleaner nozzle comprising, a housing, a first brush roll rotatable about a first rotation axis and arranged in the housing, and a second brush roll rotatable about a second rotation axis and arranged in the housing. At least a portion of the first brush roll extending in front of at least a portion of the second brush roll.
  • the housing comprises a first chamber and a second chamber separate from the first chamber.
  • the first brush roll is arranged in the first chamber and the second brush roll is arranged in the second chamber.
  • the first chamber is provided with a first inlet opening and a first outlet opening
  • the second chamber is provided with a second inlet opening and a second outlet opening.
  • each of the first and second chambers is provided with its own inlet opening and outlet opening, an airflow around the first brush roll is truly separate from an airflow around the second brush roll. Accordingly, the turbulence produced by the first brush roll inside the vacuum cleaner nozzle does not affect airflow in the second chamber, and vice versa. Thus, an airflow inside each of the first and second chambers and around the first and second brush rolls promotes an undisturbed transport of dust and debris from the respective inlet openings to the respective outlet openings. As a result, the above mentioned object is achieved.
  • the vacuum cleaner nozzle is configured to be moved along a surface to be cleaned, such as a floor.
  • the vacuum cleaner nozzle may be configured to be connected to a vacuum cleaner.
  • Each of the first and second brush rolls may be configured to make contact with the surface to be cleaned, at least on a soft surface, such as a carpet.
  • Each of the first and second inlet openings may be arranged at a side of the housing configured to face the surface to be cleaned, such as e.g. at lower side of the housing.
  • the first and second inlet openings may be configured for admitting dust and debris into the respective first and second chambers.
  • the first and second outlet openings may be connected to a suction producing unit of a relevant vacuum cleaner. An airflow produced by the suction producing unit may flow through the first inlet opening and via the first chamber to the first outlet opening.
  • an airflow produced by the suction producing unit may flow through the second inlet opening via the second chamber and through the second outlet opening. Dust and debris from the surface to be cleaned may be beat and propelled from the surface to be cleaned by the first and second brush rolls. The dust and debris may be transported by the airflow.
  • a distance between the first inlet opening and the second inlet opening may be within a range of 0,1 - 20 cm, preferably within a range of 0,2 - 10 cm, more preferably within a range of 0,2 - 5 cm .
  • the vacuum cleaner nozzle may comprise a common conduit.
  • the first and second outlet openings may be arranged in fluid communication with the common conduit.
  • the common conduit may be connectable to a suction producing unit of a vacuum cleaner. In this manner an airflow produced by the suction producing unit may be drawn both from the first chamber via the first outlet opening and from the second chamber via the second outlet opening.
  • the vacuum cleaner nozzle may comprise a valve configured to direct an airflow either through both the first and second outlet openings into the common conduit, or through only one of the first or second outlet opening into the common conduit. In this manner an airflow through the nozzle may be controlled, and distinctly different cleaning properties may be provided by one and the same vacuum cleaner nozzle.
  • the valve may comprise three valve settings. In addition to directing an airflow through both the first and second outlet openings in a first valve setting, the valve may be configured to direct an airflow through the first outlet opening and to close off the second outlet opening in a second valve setting, and to direct an airflow through the second outlet opening and close off the first outlet opening in a third valve setting.
  • valve may comprise only two valve settings.
  • the valve may be configured to direct an airflow through one of the first and second outlet openings and to close off the other of the first and second outlet openings in a second valve setting.
  • the valve may comprise a movable flap arranged inside the common conduit, the flap being configured to close off at least one of the first or second outlet opening.
  • the flap may be configured to achieve the airflows as discussed above in the different embodiments of the valve.
  • the vacuum cleaner nozzle may comprise a first drive unit configured to rotate the first brush roll and a second drive unit configured to rotate the second brush roll.
  • the rotation of the first and second brush rolls may be individually controllable. In this manner the cleaning properties of the nozzle may be controlled.
  • the first brush roll may be displaced along the first rotation axis in relation to the second brush roll.
  • the first drive unit may be connected to a first end of the first brush roll and the second drive unit may be connected to a second end of the second brush roll opposite to the first end of the first brush roll, such that the first and second brush rolls have different coverage in a direction perpendicularly to the first rotation axis. In this manner a broad cleaning coverage may be provided by the nozzle.
  • the first and second brush rolls may be individually driven and controlled.
  • the vacuum cleaner nozzle may comprise a common drive unit configured to rotate both the first brush roll and the second brush roll.
  • the first brush roll may be substantially similar to the second brush roll.
  • the first brush roll may differ from the second brush roll in at least one of brush roll diameter, brush roll length, brush roll shape, bristle length, bristle diameter, bristle material, bristle configuration, or use of elongated flexible strips. In this manner different cleaning properties may be provided by the two different brush rolls.
  • a vacuum cleaner comprising a suction producing unit and a container connected to the suction producing unit.
  • the vacuum cleaner comprises a vacuum cleaner nozzle according to any embodiment or aspect disclosed herein.
  • the vacuum cleaner may be of the upright type, the canister type, the stick type, or a robotic vacuum cleaner.
  • the suction producing unit may comprise a fan driven by an electric motor.
  • the container may comprise a replaceable bag, or the container may be removed from the vacuum cleaner to be emptied and subsequently repositioned in the vacuum cleaner.
  • the vacuum cleaner may comprise a hand operated portion being provided with at least one handgrip portion.
  • the second brush roll may be arranged closer to the hand operated portion than the first brush roll.
  • the first brush roll may be arranged in front of the hand operated portion seen in a direction of an operator of the vacuum cleaner. In this manner a larger downward force may be provided on the second brush roll than the first brush roll by the operator pressing downwardly by means of the hand operated portion.
  • the vacuum cleaner may comprise a control device configured for controlling the valve.
  • an operator of the vacuum cleaner may operate the control device to direct an airflow either past both the first and second brush rolls into the common conduit of the nozzle, or past only one of the first or second brush rolls into the common conduit of the nozzle.
  • the control device may be configured for controlling the rotation of the first and second brush rolls, and/or a height of the first and/or second brush rolls.
  • Figs. 1 a - 1 c illustrate various exterior and interior views of a vacuum cleaner nozzle according to embodiments
  • Figs. 2a - 2c illustrate cross sections through a vacuum cleaner nozzle according to embodiments
  • Figs 3a and 3b illustrate various embodiments of brush rolls
  • Fig. 4 illustrates schematically a first and a second brush roll of a vacuum cleaner nozzle according to embodiments
  • Fig. 5a - 5c illustrate a vacuum cleaner according to embodiments.
  • Figs. 1 a - 1 c illustrate various exterior and interior views of a vacuum cleaner nozzle 2 according to embodiments.
  • Fig. 1 a a perspective view of an upper side of the vacuum cleaner nozzle 2 is illustrated.
  • Fig. 1 b a perspective view of a bottom side of the vacuum cleaner nozzle 2 is illustrated.
  • Fig. 1 c an interior of the vacuum cleaner nozzle 2 is illustrated, with a portion of a housing 4 of the vacuum cleaner nozzle 2 removed.
  • the vacuum cleaner nozzle 2 is configured to be moved along a surface to be cleaned.
  • the vacuum cleaner nozzle 2 is configured to be connected to a vacuum cleaner.
  • the vacuum cleaner nozzle 2 comprises the housing 4, a first brush roll 6 rotatable about a first rotation axis 8, and a second brush roll 10 rotatable about a second rotation axis 12.
  • the first and second brush rolls 6, 10 are arranged in the housing 4.
  • the first brush roll 6 extends in front of the second brush roll 10 i.e. as seen by an operator of a relevant vacuum cleaner handling the vacuum cleaner nozzle 2 together with a relevant vacuum cleaner.
  • the first and second rotation axes 8, 12 may extend substantially in parallel.
  • the first brush roll 6 may extend substantially in parallel with the second brush roll 10.
  • the first and second brush rolls 6, 10 are provided with bristles and/or flexible elongated strips (not shown).
  • the first brush roll 6 is substantially similar to the second brush roll 10, but may alternatively be different from the second brush roll 10.
  • the vacuum cleaner nozzle 2 comprises a common drive unit 13 (schematically illustrated) configured to rotate both the first brush roll 6 and the second brush roll 10.
  • the first and second brush rolls 6, 10 may be rotated e.g. at a speed of up to 1500 - 6500 rpm, depending on the type of vacuum cleaner connected to the vacuum cleaner nozzle 2.
  • the common drive unit 13 may also drive e.g. a fan of a suction producing unit of a relevant vacuum cleaner.
  • the housing 4 comprises a first chamber 14 and a second chamber 16.
  • the first brush roll 6 is arranged in the first chamber 14 and the second brush roll 10 is arranged in the second chamber 16.
  • the first chamber 14 is separate from the second chamber 16. Accordingly, the first chamber 14 is provided with a first inlet opening 18 and a first outlet opening 22, and the second chamber 16 is provided with a second inlet opening 20 and a second outlet opening 24. The first inlet opening 18 is separate from the second inlet opening 20. The first outlet opening 22 is separate from the second outlet opening 24. Thus, an airflow through the first chamber 14 does not interfere with an airflow through the second chamber 16, and vice versa. An undisturbed transport of dust and debris through the first and second chambers 14, 16 is thus promoted.
  • the first and second inlet openings 18, 20 are arranged at a side of the housing 4 facing a surface to be cleaned during use of the vacuum cleaner nozzle 2.
  • a distance between the first inlet opening 18 and the second inlet opening 20 may be within a range of 0,1 - 20 cm, preferably within a range of 0,2 - 10 cm, more preferably within a range of 0,2 - 5 cm.
  • the distance between the first and second inlet openings 18, 20 affects the air flow around the first and second inlet openings 18, 20.
  • the distance between the first and second inlet openings 18, 20 further affects a length of the vacuum cleaner nozzle 2.
  • the first and second outlet openings 22, 24 may be connected to a suction producing unit of a relevant vacuum cleaner. An airflow produced by the suction producing unit may flow through the first inlet opening 18 and via the first chamber 14 to the first outlet opening 22. Similarly, an airflow produced by the suction producing unit may flow through the second inlet opening 20 via the second chamber 16 and through the second outlet opening 24.
  • Figs. 2a - 2c illustrate cross sections through a vacuum cleaner nozzle 2 according to embodiments.
  • the vacuum cleaner nozzle 2 in these embodiments resembles in much the vacuum cleaner nozzle 2 of the embodiments of Figs. 1 a - 1 c.
  • the first and second inlet openings 18, 20, the first and second chambers 14, 16, and the first and second outlet openings 22, 24 are clearly shown in Figs. 2a - 2c.
  • first and second inlet openings 18, 20 are arranged at a distance from each other.
  • the first and second inlet openings 18, 20 are delimited inter alia by first, second, third, and fourth wall portions 1 1 , 13, 15, 17 of the vacuum cleaner nozzle 2.
  • the first wall portion 1 1 defines a front portion of the first inlet opening 18.
  • a member 25 of the vacuum cleaner nozzle 2 is arranged between the first and second inlet openings 18, 20.
  • the member 25 forms the second wall portion 13 defining a trailing portion of the first inlet opening 18 and the third wall portion 15 defining a leading portion of the second inlet opening 20.
  • the fourth wall portion 17 defines a trailing portion of the second inlet opening 20.
  • the member 25 is positioned with at least one of the second and third wall portions 13, 15 at substantially a same level from the surface to be cleaned as at least one of the first and fourth wall portions 1 1 , 17, or at a level closer to the surface to be cleaned than at least one of the first and fourth wall portions 1 1 , 17.
  • the first and fourth wall portions 1 1 , 17 may be arranged at substantially a same level above the surface to be cleaned. Alternatively, the first and fourth wall portions 1 1 , 17 may be arranged at different levels above the surface to be cleaned.
  • the second and third wall portions 13, 15 may be arranged at substantially a same level above the surface to be cleaned. Alternatively, the second and third wall portions 13, 15 may be arranged at different levels above the surface to be cleaned.
  • the first brush roll 6 differs from the second brush roll 10.
  • the two brush rolls 6, 10 have different brush roll diameters.
  • the two brush rolls 6, 10 may differ with respect to further and/or other aspects of the brush rolls, such as brush roll length, brush roll shape, bristle length, bristle diameter, bristle material, bristle configuration, and use of elongated flexible strips.
  • Figs. 3a and 3b illustrate example embodiments of different brush rolls, which may be utilised as first and/or second brush roll in the vacuum cleaner nozzle discussed herein.
  • the brush roll illustrated in Fig. 3a comprise tufts of bristles 27 arranged in two helical lines, and two elongated flexible strips 29 helically arranged about the brush roll.
  • a brush roll may comprise only tufts of bristles, or only elongated flexible strips. Bristles may alternatively be arranged in continuous bristle lines instead of the illustrated discrete tufts of bristles.
  • bristles and/or elongated flexible strips may be arranged differently around the brush roll, e.g. in straight lines or irregularly. Elongated flexible strips may be considerably shorter than illustrated in Fig. 3a.
  • the brush roll illustrated in Fig. 3b comprises flexible strips 31 , which have been cut at regular intervals to form narrow flexible members.
  • the vacuum cleaner nozzle 2 comprises a common conduit 26.
  • the first and second outlet openings 22, 24 are arranged in fluid communication with the common conduit 26.
  • the fluid communication may be achieve by a conduit section, as e.g. by the conduit section 28 connecting the first outlet opening 22 with the common conduit 26, or directly with the relevant outlet opening, as at the second outlet opening 24.
  • the common conduit 26 is connectable, e.g. via a hose and/or a pipe, to a suction producing unit of a relevant vacuum cleaner.
  • the vacuum cleaner nozzle 2 comprises a valve 30 configured to direct an airflow either through both the first and second outlet openings 22, 24 into the common conduit 26, or through only one of the first or second outlet openings 22, 24 into the common conduit 26.
  • the valve 30 comprises a movable flap 32 arranged inside the common conduit 26.
  • the flap 32 is configured to close off an airflow via the first or second outlet opening 22, 24.
  • the valve 30 may be configured to be set to direct an airflow through both the first and second outlet openings 22, 24, as shown in Fig. 2a, through only the first outlet opening 22, as shown in Fig. 2c, or through only the second outlet opening 24, as shown in Fig. 2b.
  • the valve 30 may be configured to be set to direct an airflow through only one of the first and second outlet openings 22, 24, i.e. either as shown in Fig. 2b or as shown in Fig. 2c, in addition to directing an airflow through both the first and second outlet openings 22, 24, as shown in Fig. 2a.
  • the valve 30 may be controlled by a control unit, which in turn may be controlled by an operator of a relevant vacuum cleaner.
  • Fig. 4 illustrates schematically a first and a second brush roll 6, 10 of a vacuum cleaner nozzle 2 according to embodiments. At least a portion of the first brush roll 6 extends in front of at least a portion of the second brush roll 10.
  • the vacuum cleaner nozzle 2 comprises a first drive unit 33 configured to rotate the first brush roll 6 and a second drive unit 36 configured to rotate the second brush roll 10.
  • the first drive unit 33 comprises a first electric motor 38, which via a pulley and a drive belt 40 drives the first brush roll 6.
  • the second drive unit 34 comprises a second electric motor 42, which via a pulley and a drive belt 44 drives the second brush roll 10.
  • the second electric motor 42 may be configured to drive e.g. a fan of a suction producing unit of a relevant vacuum cleaner.
  • the rotation of the first and second brush rolls 6, 10 may be individually controllable.
  • a control unit of the vacuum cleaner nozzle 2, or of a relevant vacuum cleaner may thus control the cleaning properties of the vacuum cleaner nozzle 2.
  • each brush roll 6, 10 may be controlled, including stopping one or both brush rolls 6, 10 while an airflow through one or both of the inlet openings of the vacuum cleaner nozzle 2 is controlled.
  • Rotating the brush rolls 6, 10 in the same or opposite directions may be a further control option.
  • a height of each or both of the first and second brush rolls 6, 10 above a surface to be cleaned may be controlled. If the vacuum cleaner nozzle 2 is provided with a valve 30 as discussed in connection with Figs. 2a - 2c, also the airflow past the first and second brush rolls 6, 10 may be controlled.
  • the first brush roll 6 is displaced along the first rotation axis 8 in relation to the second brush roll 10.
  • the first drive unit 33 is connected to a first end 46 of the first brush roll 6.
  • the second drive unit 34 is connected to a second end 48 of the second brush roll 10 opposite to the first end 46 of the first brush roll 6. Accordingly, the first and second brush rolls 6, 10 have different coverage in a direction perpendicularly to the first rotation axis 8. Since the first brush roll 6 covers a surface portion to be cleaned at the second end 48 and the second brush roll 10 covers a surface portion to be cleaned at the first end 46, a broad cleaning coverage may be provided by the vacuum cleaner nozzle 2 with the drive units 33, 34 connected at ends of the brush rolls 6, 10. Fig.
  • Each vacuum cleaner 50 comprises a suction producing unit 52 and a container 54 connected to the suction producing unit 52, as shown in connection with Fig. 5a.
  • the suction producing unit 52 and the container 54 are arranged inside a body 56 of the vacuum cleaner.
  • the vacuum cleaner 50 comprises a vacuum cleaner nozzle 2 according to any embodiment or aspect disclosed herein.
  • the vacuum cleaner nozzle 2 is configured to be moved along a surface to be cleaned.
  • the suction producing unit 52 produces an airflow through the first and/or second inlet opening of the vacuum cleaner nozzle 2. Dust and debris are transported by the airflow, from the first and/or second inlet opening all the way into the container 54.
  • the suction producing unit 52 may comprise a fan driven by an electric motor.
  • the electric motor may optionally drive one or both brush rolls of the vacuum cleaner nozzle 2.
  • the vacuum cleaner 50 illustrated in Fig. 5a is of the upright type.
  • the vacuum cleaner 50 illustrated in Fig. 5b is of the canister type.
  • the vacuum cleaner 50 illustrated in Fig. 5c is of the stick type.
  • the first and/or second brush rolls may be rotated such that the bristles and/or elongated flexible strips beat dust and debris from the nap of a carpet, which forms a surface to be cleaned. That dust and debris is drawn along the respective brush roll into the respective first and second chamber by the negative air pressure generated by the suction producing unit 52 and then sucked smoothly and efficiently into the respective outlet opening. That air with entrained dust and debris is then drawn through the common conduit of the vacuum cleaner nozzle 2 to the container 54. Dust and debris is trapped in the container 54 while clean air is exhausted into the environment from the vacuum cleaner 50.
  • the vacuum cleaner 50 comprises a hand operated portion 58 being provided with at least one handgrip portion 60.
  • the second brush roll 10 is arranged closer to the hand operated portion 58 than the first brush roll 6, see e.g. Figs 2a - 2c wherein the hand operated portion would be arranged connected to the common conduit 26.
  • the first brush roll 6 is arranged in front of the hand operated portion 58 seen in a direction of an operator of the vacuum cleaner 50. If the operator of the vacuum cleaner presses the hand operated portion 58 downwardly towards the surface to be cleaned, a larger downward force thus, may be provided on the second brush roll 10 than on the first brush roll 6.
  • a larger downward force thus, may be provided on the second brush roll 10 than on the first brush roll 6.
  • the vacuum cleaner 50 e.g. in an upright vacuum cleaner as illustrated in Fig.
  • the same effect may be achieved by only the weight of the vacuum cleaner 50.
  • the vacuum cleaner nozzle 2 is controllable in a manner as discussed in connection with Figs. 2a - 2c and Fig. 4, the first brush roll 6 may be stopped and the valve 30 may be set to close the first outlet opening 22. In this manner a concentrated cleaning action may be provided at the second brush roll 10, which may be advantageous, e.g. for vacuum cleaning certain kinds of carpets.
  • the vacuum cleaner 50 may comprise a control device 62 configured for controlling the valve 30.
  • the control device 62 may be configured for controlling the rotation of the first and second brush rolls.
  • the control device 62 may comprise a microcomputer programmed in a suitable manner to control e.g. the rotation of the brush rolls 6, 10, the valve 30, and/or the suction producing unit 52, in various selectable cleaning settings.
  • the vacuum cleaner 50 may comprise a control panel 64, via which an operator of the vacuum cleaner 50 may select a suitable cleaning setting for cleaning a particular type of surface.
  • Figs. 1 a - 1 b may be controlled to a certain extent, such as e.g. the rotational speed and rotation direction thereof. 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)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

L'invention concerne un embout (2) pour aspirateur. L'embout (2) comprend un boîtier (4), un premier rouleau à brosse (6) et un second rouleau à brosse (10). Au moins une partie du premier rouleau à brosse (6) s'étend devant au moins une partie du second rouleau à brosse (10). Le boîtier (4) comprend une première chambre (14) et une seconde chambre (16) séparée de la première chambre (14). Le premier rouleau à brosse (6) est disposé dans la première chambre (14) et le second rouleau à brosse (10) est disposé dans la seconde chambre (16). La première chambre (14) est pourvue d'une première ouverture d'entrée (18) et d'une première ouverture de sortie (22), et la seconde chambre (16) est pourvue d'une seconde ouverture d'entrée (20) et d'une seconde ouverture de sortie (24). L'invention concerne également un aspirateur.
PCT/EP2014/078725 2014-12-19 2014-12-19 Embout pour aspirateur et aspirateur WO2016096037A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/078725 WO2016096037A1 (fr) 2014-12-19 2014-12-19 Embout pour aspirateur et aspirateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/078725 WO2016096037A1 (fr) 2014-12-19 2014-12-19 Embout pour aspirateur et aspirateur

Publications (1)

Publication Number Publication Date
WO2016096037A1 true WO2016096037A1 (fr) 2016-06-23

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PCT/EP2014/078725 WO2016096037A1 (fr) 2014-12-19 2014-12-19 Embout pour aspirateur et aspirateur

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2549147A (en) * 2016-04-08 2017-10-11 Dyson Technology Ltd A cleaner head for a vacuum cleaner
CN108158492A (zh) * 2017-12-26 2018-06-15 江苏美的清洁电器股份有限公司 用于清洁装置的地刷组件、吸尘器和吸尘器的控制方法
CN110464250A (zh) * 2018-05-10 2019-11-19 杭州萤石软件有限公司 一种扫地机器人及地面清扫方法
WO2020165049A1 (fr) * 2019-02-13 2020-08-20 Alfred Kärcher SE & Co. KG Buse de sol pour un appareil de nettoyage avec fonction d'aspiration, appareil de nettoyage et procédé pour l'aspiration d'une zone du sol
CN114472286A (zh) * 2022-02-11 2022-05-13 北京京运通科技股份有限公司 高效光伏发电装置
EP4311466A1 (fr) * 2022-07-29 2024-01-31 Seb S.A. Tête d'aspiration équipée d'une brosse rotative pourvue d'une lamelle de nettoyage

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US5077862A (en) * 1990-10-31 1992-01-07 Racine Industries, Inc. Carpet cleaning machine with edge-mounted vacuum nozzle
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GB2549147A (en) * 2016-04-08 2017-10-11 Dyson Technology Ltd A cleaner head for a vacuum cleaner
GB2549147B (en) * 2016-04-08 2018-09-19 Dyson Technology Ltd A cleaner head for a vacuum cleaner
CN108158492A (zh) * 2017-12-26 2018-06-15 江苏美的清洁电器股份有限公司 用于清洁装置的地刷组件、吸尘器和吸尘器的控制方法
CN110464250A (zh) * 2018-05-10 2019-11-19 杭州萤石软件有限公司 一种扫地机器人及地面清扫方法
WO2020165049A1 (fr) * 2019-02-13 2020-08-20 Alfred Kärcher SE & Co. KG Buse de sol pour un appareil de nettoyage avec fonction d'aspiration, appareil de nettoyage et procédé pour l'aspiration d'une zone du sol
CN114472286A (zh) * 2022-02-11 2022-05-13 北京京运通科技股份有限公司 高效光伏发电装置
EP4311466A1 (fr) * 2022-07-29 2024-01-31 Seb S.A. Tête d'aspiration équipée d'une brosse rotative pourvue d'une lamelle de nettoyage
WO2024023449A1 (fr) * 2022-07-29 2024-02-01 Seb S.A. Tête d'aspiration équipée d'une brosse rotative pourvue d'une lamelle de nettoyage
FR3138290A1 (fr) * 2022-07-29 2024-02-02 Seb S.A. Tête d’aspiration équipée d’une brosse rotative pourvue d’une lamelle de nettoyage

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