EP2191763A1 - Reinigungsvorrichtung mit Bürstenrollen - Google Patents

Reinigungsvorrichtung mit Bürstenrollen Download PDF

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Publication number
EP2191763A1
EP2191763A1 EP08166002A EP08166002A EP2191763A1 EP 2191763 A1 EP2191763 A1 EP 2191763A1 EP 08166002 A EP08166002 A EP 08166002A EP 08166002 A EP08166002 A EP 08166002A EP 2191763 A1 EP2191763 A1 EP 2191763A1
Authority
EP
European Patent Office
Prior art keywords
cleaning device
bristles
brush
spoiler
brushes
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.)
Ceased
Application number
EP08166002A
Other languages
English (en)
French (fr)
Inventor
designation of the inventor has not yet been filed The
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Priority to EP08166002A priority Critical patent/EP2191763A1/de
Priority to CA2753157A priority patent/CA2753157C/en
Priority to PCT/IB2009/054334 priority patent/WO2010041185A1/en
Priority to EP09787354.1A priority patent/EP2395894B1/de
Priority to EP09787355.8A priority patent/EP2395895B1/de
Priority to CA2753156A priority patent/CA2753156C/en
Priority to PCT/IB2009/054333 priority patent/WO2010041184A1/en
Publication of EP2191763A1 publication Critical patent/EP2191763A1/de
Ceased 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/32—Carpet-sweepers
    • A47L11/33—Carpet-sweepers having means for storing dirt
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4077—Skirts or splash guards

Definitions

  • the invention relates to a cleaning device for cleaning a surface, the cleaning device comprises at least one brush rotatable in a rotation direction and movable over the surface to be cleaned.
  • air will be expelled from the brush in the direction indicated by arrow P1 from the brush when contact is made with the surface to be cleaned.
  • the air will be expelled from position A to position B.
  • position B air will be sucked in a direction indicated by arrow P2 into the brush to compensate for the increasing volume between the bristles, until the bristles have lost contact with the surface (position C).
  • the airflow in the direction indicated by arrow P2 towards the brush aids the cleaning action of the brush.
  • the airflow in the direction indicated by arrow P1 away from the brush is detrimental to the cleaning action since dirt will be blown away.
  • the cleaning device comprises at least one spoiler pressing against the bristles of the brush at a location before the location where the bristles contact the surface to be cleaned.
  • the spoiler which can be attached to the housing of the cleaning device will also prevent water against the inside of the housing from dripping on the surface. Also water on the outside of the housing will flow in the direction of the spoiler and will be guided back into the brush. The water guided back into the brush by the spoiler will be used again for the cleaning action before moving upwards and away from the surface to be cleaned.
  • An embodiment of the cleaning device according to the invention is characterized in that the bristles are indented by the spoiler to an extend that suction between the bristles when losing contact with the spoiler is larger than expellation of air from between the bristles when contacting the surface to be cleaned.
  • the axle of the brush is kept at a certain predetermined distance from the floor, for example by means of wheels connected to a housing of the cleaning device.
  • Another embodiment of the cleaning device according to the invention is characterized in that the indention of the bristles by the spoiler is larger than the indention of the bristles by the surface to be cleaned.
  • a further embodiment of the cleaning device according to the invention is characterized in that the cleaning device comprises at least two brushes rotatable in opposite directions directed towards each other at the surface to be cleaned, whereby at least two spoilers are provided pressing against the bristles of the brushes, each spoiler is located on a side of a brush remote from the other brush.
  • a further embodiment of the cleaning device is characterized in that the spoiler is adjustable with respect to the brush. In this manner the pressure between the spoiler and the brush can be varied. Moreover one can compensate for possible wear of the bristles.
  • an embodiment of the cleaning device according to the invention is characterized in that the cleaning device is provided with at least one side spoiler pressing against the bristles of the brush located near an end of the brush.
  • Fig. 2 shows a perspective view of a cleaning device 1 according to the invention, comprising a housing 2 in which two brushes 3, 4 are rotatably mounted around axles 5, 6.
  • the brushes 3, 4 are driven by a motor (not shown).
  • the motor might be located on any suitable position whereby via gears of belts the brushes 3, 4 are being rotated with a speed of 5000-10,000 rotations per minute.
  • the diameter of the brushes for example is 4 cm à 6 cm.
  • the length of the brush is for example about 25 cm.
  • Brush 3 is rotatable in a clockwise direction, indicated by arrow P3 and brush 4 is rotatable in a counter clockwise direction, indicated by arrow P4 around the respective axles 5, 6.
  • the housing 2 is provided with wheels (not shown) keeping the axles 5, 6 at a predetermined distance of the surface to be cleaned.
  • the housing 2 is connected via a steering joint to a stick 7 which is provided on a side remote of the housing 2 with a handle 8.
  • the cleaning device 1 is furthermore provided with a tank 9 for water or other cleaning liquid.
  • a power cord 10 enters the handle 8 and is guided through the stick 7 to the motor for rotating the brushes 3, 4 and the device (not shown) for feeding water from the container 9 into a brush from which it is spread on to the surface to be cleaned.
  • the housing 2 comprises a debris collecting chamber 11, the entrance 12 of which is located between the brushes 3, 4.
  • the brushes 3, 4 are fully enclosed except at the bottom by the housing 2.
  • the side cover has been removed.
  • two longitudinal spoilers 13, 14 are provided extending parallel to the axles 5, 6 and partly into the brushes 3, 4. The function of the spoilers 13, 14 will now be explained with reference to the drawings 3, 4a and 4b.
  • the brushes 3, 4 rotate in opposite directions P3, P4, which directions are directed towards each other near the surface to be cleaned 16.
  • the bristles 17 of the brushes 3, 4 rub over the surface to be cleaned 16 and the dirt and other materials are being disconnected from the surface to be cleaned 16 and are being moved upwards in the direction of arrow P5 into the entrance 12 of the debris collecting chamber 11.
  • the bristles 17 of the brushes 3, 4 reaches the spoilers 13, 14 the bristles 17 are pressed together whereby the volume between the bristles is being reduced.
  • air is being expelled from the brushes 3, 4, which air is guided along the walls 18 of the housing 2.
  • the indention by the spoilers 13, 14 of the brushes 3, 4 is for example 5 mm while the surface to be cleaned 16 indents the brushes 3, 4 for example only 3 mm.
  • the spoilers press against the bristles of the brush at a location before the location where the bristles contact the surface to be cleaned as seen in the direction of rotation.
  • Fig. 4B shows a graph whereby the volume between the bristles 17 is indicated at different angles ⁇ .
  • the cleaning device 1 can be used for cleaning soft surfaces with carpet and hard surfaces. It can be used by only rotating the brushes 3, 4 but the cleaning can be supported by sucking vacuum by means of vacuum device in the entrance 12. Furthermore the device 1 can be used for wet cleaning of for example hard surfaces whereby water or a cleaning liquid is guided from the container 9 towards the brushes 3, 4 and the surface 16 is being wetted by the brushes 3, 4. It is also possible to spray water on the surface by means of a separate device in which case the cleaning device need not to be provided with a container 9. It is important that no water or cleaning liquid remains on the surface 16. The water or cleaning liquid will be removed by the brushes 3, 4 and guided into the entrance 12 towards the debris collecting chamber 11. As can be seen in fig.
  • the spoilers 13, 14 form part of a bottom plate 21 as indicated in Fig. 5b .
  • the bottom plate 21 comprises side edges 22, whereby the distance between opposite side-edges 22 is shorter than the length of the brush 3,4. Water droplets 19 will either be guided by the side edges 22 of the bottom plate 21 towards a V-shaped nose 23 from which the droplets 19 will fall between the brushes 3, 4 and will be picked up by the brushes 3, 4 during a next passage of the brushes 3, 4 or the droplets will be picked up by the brushes when moving towards the V-shaped nose 23.
  • the V-shaped nose 23 can also be another kind of protruding element.
  • Fig. 6 shows a bottom view of another embodiment of the cleaning device 31 according to the invention whereby each spoiler 13, 14 is connected to a carrier 32, 33 respectively.
  • the carriers 32, 33 are connected to each other at their side edges by means of adjusting mechanisms 34.
  • Each adjusting mechanism 34 comprises a rod 35 and an adjusting knob 36 whereby by rotating the adjusting knob 36 in or opposite to a direction indicated by arrows P9, P10 the spoilers 13, 14 will be moved apart or towards each other in the direction indicated by the double arrow P11.
  • the pressure excerted on the brushes 3, 4 can be amended depending on the desired amount by which the bristles are pressed together. If the bristles are firmly pressed together no unwanted blowing will occur.
  • Fig. 7 shows another embodiment of the cleaning device 41 according to the invention whereby the carriers 32, 33 of the spoilers 13, 14 are connected near the side edges by means of springs 42.
  • These springs 42 will determine the force by means of which the spoilers 13, 14 are pressed against the brushes 3, 4.
  • the spoilers 13, 14 can be moved towards each other in the directions indicated by arrows P12, P13 under the influence of the forces exerted by the springs 42 or can be moved apart against the forces exerted by the springs 42.
  • Fig. 8 shows a further embodiment of a device 51 according to the invention whereby the spoilers 52, 53 are being made of flexible elements 52, 53 which can accommodate the differences in the diameter of the brushes 3, 4 according to for example production tolerances.
  • Fig. 9 shows another embodiment of a spoiler 61 of a cleaning device according to the invention which spoiler 61 comprises a holder 62 which is connected with the housing 2 of the cleaning device 1 and flexible pens 63 extending parallel to each other.
  • the pens 63 are pressed against the brushes 3, 4 with their ends remote from the holder 62.
  • the spoiler 61 will only function to prevent water being dropped back on the surface to be cleaned 16 or also for preventing unwanted blowing.
  • Fig. 10 shows another embodiment of a spoiler 71 according to the invention whereby a holder 72 is provided with flexible wires 73 along which water is guided back to the brushes 3, 4. If the distance between the wires 73 is relatively small and the wires are stiff enough, the wires 73 will also diminish the unwanted blowing.
  • Fig. 11 shows an embodiment of a spoiler 81 according to the invention whereby a holder 82 is provided with rigid pens 83. Also this spoiler 81 will prevent the dripping of water and will diminish the unwanted blowing.
  • the bottom plate 21 and the spoilers 13, 14 can be made from any suitable material like metal or plastic.
  • the spoilers 13, 14 can be formed as a strip connected to or integrated with the housing 2.
  • the distance between the surface and the axles of the brushes 3, 4 adjustable to be able to amend the amount by which the bristles are pressed together.
  • the spoiler is adjustable with respect to the brush to adjust the pressure between the spoiler and the brush.
  • any kind of fibre, hair, wire-shaped element or other kind of element is suitable which will move apart when rotated at a certain speed and will be pressed together when contacting a surface to be cleaned.
  • the airflow away from the brush might also be prevented by means of a vacuum system. In such a case the spoiler still prevents the leakage of water.
  • each spoiler with a spring to the housing.
  • the forces exerted by the spring can be in vertical direction, horizontal direction or a combination thereof.
EP08166002A 2008-10-07 2008-10-07 Reinigungsvorrichtung mit Bürstenrollen Ceased EP2191763A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP08166002A EP2191763A1 (de) 2008-10-07 2008-10-07 Reinigungsvorrichtung mit Bürstenrollen
CA2753157A CA2753157C (en) 2008-10-07 2009-10-05 Cleaning device with rotating brushes
PCT/IB2009/054334 WO2010041185A1 (en) 2008-10-07 2009-10-05 Cleaning device with rotating brushes
EP09787354.1A EP2395894B1 (de) 2008-10-07 2009-10-05 Reinigungsvorrichtung mit Bürstenrollen
EP09787355.8A EP2395895B1 (de) 2008-10-07 2009-10-05 Reinigungsvorrichtung mit Bürstenrollen
CA2753156A CA2753156C (en) 2008-10-07 2009-10-05 Cleaning device with rotating brushes
PCT/IB2009/054333 WO2010041184A1 (en) 2008-10-07 2009-10-05 Cleaning device with rotating brushes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08166002A EP2191763A1 (de) 2008-10-07 2008-10-07 Reinigungsvorrichtung mit Bürstenrollen

Publications (1)

Publication Number Publication Date
EP2191763A1 true EP2191763A1 (de) 2010-06-02

Family

ID=40383595

Family Applications (3)

Application Number Title Priority Date Filing Date
EP08166002A Ceased EP2191763A1 (de) 2008-10-07 2008-10-07 Reinigungsvorrichtung mit Bürstenrollen
EP09787355.8A Active EP2395895B1 (de) 2008-10-07 2009-10-05 Reinigungsvorrichtung mit Bürstenrollen
EP09787354.1A Active EP2395894B1 (de) 2008-10-07 2009-10-05 Reinigungsvorrichtung mit Bürstenrollen

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP09787355.8A Active EP2395895B1 (de) 2008-10-07 2009-10-05 Reinigungsvorrichtung mit Bürstenrollen
EP09787354.1A Active EP2395894B1 (de) 2008-10-07 2009-10-05 Reinigungsvorrichtung mit Bürstenrollen

Country Status (3)

Country Link
EP (3) EP2191763A1 (de)
CA (2) CA2753157C (de)
WO (2) WO2010041184A1 (de)

Cited By (3)

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JP2014524324A (ja) * 2011-08-23 2014-09-22 コーニンクレッカ フィリップス エヌ ヴェ 表面を清掃するための清掃装置
ITMI20130970A1 (it) * 2013-06-13 2014-12-14 Ghibli S P A Testata a doppio tergitore per macchina per la pulitura di superfici
CN104869881B (zh) * 2012-12-20 2017-03-08 皇家飞利浦有限公司 用于清洁表面的清洁设备

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US9820626B2 (en) 2008-03-17 2017-11-21 Aktiebolaget Electrolux Actuator mechanism for a brushroll cleaner
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DE102022102937A1 (de) 2022-02-08 2023-08-10 Alfred Kärcher SE & Co. KG Bodenreinigungsgerät mit Schmutzfluid-Tank
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CA2753157A1 (en) 2010-04-15
EP2395895B1 (de) 2013-07-24
CA2753156A1 (en) 2010-04-15
CA2753156C (en) 2016-11-08
EP2395895A1 (de) 2011-12-21
CA2753157C (en) 2017-03-14
WO2010041185A1 (en) 2010-04-15
EP2395894B1 (de) 2013-06-05
EP2395894A1 (de) 2011-12-21

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