US20220061610A1 - Surface cleaning utensil - Google Patents
Surface cleaning utensil Download PDFInfo
- Publication number
- US20220061610A1 US20220061610A1 US17/416,791 US202017416791A US2022061610A1 US 20220061610 A1 US20220061610 A1 US 20220061610A1 US 202017416791 A US202017416791 A US 202017416791A US 2022061610 A1 US2022061610 A1 US 2022061610A1
- Authority
- US
- United States
- Prior art keywords
- unit
- brush
- surface cleaning
- cleaning utensil
- utensil
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 45
- 238000009736 wetting Methods 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 9
- 230000001680 brushing effect Effects 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 description 7
- 230000001419 dependent effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
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
- A47L11/40—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
- A47L11/4038—Disk 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
- 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
- A47L9/0472—Discs
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/008—Disc-shaped brush bodies
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
- A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
-
- 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
- A47L11/283—Floor-scrubbing machines, motor-driven having rotary tools the tools being disc 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
- 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
-
- 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
- A47L11/4063—Driving means; Transmission means therefor
- A47L11/4069—Driving or transmission means for the cleaning 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
- A47L11/408—Means for supplying cleaning or surface treating agents
-
- 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
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4088—Supply pumps; Spraying devices; Supply conduits
-
- 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
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/30—Brushes for cleaning or polishing
- A46B2200/3033—Household brush, i.e. brushes for cleaning in the house or dishes
-
- 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
- A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
Definitions
- the invention relates to a surface cleaning utensil, such as a robot (vacuum) cleaner or a nozzle for a canister or stick vacuum cleaner.
- a surface cleaning utensil such as a robot (vacuum) cleaner or a nozzle for a canister or stick vacuum cleaner.
- the invention also relates to a vacuum cleaner provided with the nozzle.
- U.S. Pat. No. 9,414,729 discloses a robotic vacuum cleaner that includes a driving mechanism, a fan, an electronic control, sweeping brushes and a housing with a front side extending in the transverse direction and a longitudinal direction perpendicular thereto.
- An underside of the housing has a suction opening that extends in the transverse direction.
- At least four sweeping brushes are provided, where at least two of the four sweeping brushes are disposed on each side of the suction opening such that at least one sub-region of the suction opening remains free from sweeping brushes, as viewed from the front side.
- the at least two of the four sweeping brushes provided on each of the two sides of the suction opening are driven in an identical direction of rotation.
- the bristles are mounted on the underside of a sweeping disk.
- One aspect of the invention provides a surface cleaning utensil, comprising a wet cleaning unit having a wetting unit and a brush unit for brushing a surface wetted by the wetting unit, the brush unit having brush having a plurality of brush elements (e.g. bristles) substantially perpendicular, i.e. at an angle of at least 45°, and preferably at least 70°, to a surface to be cleaned, and a driving unit for driving the brush to move in a plane substantially parallel, i.e. at an angle of at most 45°, and preferably at most 20°, to the surface.
- Embodiments of such a surface cleaning utensil are particularly suitable for cleaning stains on the surface to be cleaned.
- the brush unit comprises a plurality of rotating brushes having a rotation axis at an angle of at least 45°, and preferably at least 70°, to the surface to be cleaned, wherein at least 50% of an area defined by a circumference of each brush is provided with brush elements.
- adjacent brushes have opposite rotation directions.
- the brushes comprise gear-shaped elements.
- the driving unit is arranged for causing a translational movement of the brush with respect to the surface cleaning utensil.
- the wet cleaning unit further comprises a drying pad, the brush unit being positioned between the wetting unit and the drying pad.
- the surface cleaning utensil further comprises an air inlet located before the wet cleaning unit in a motion direction of the surface cleaning utensil.
- a vacuum cleaner comprising a nozzle formed by such a surface cleaning utensil, a suction unit for generating an air flow through the air inlet, and a dirt separation unit for separating dirt from the air flow.
- FIG. 1 shows an embodiment of a surface cleaning utensil in accordance with the present invention
- FIG. 2 shows an embodiment of a brush unit for use in a surface cleaning utensil in accordance with the present invention
- FIG. 3 shows adjacent brushes having gear-shaped elements.
- FIG. 1 shows an embodiment of a surface cleaning utensil in accordance with the present invention.
- the embodiment is a robot vacuum cleaner having an air inlet at the front, formed by a vacuuming nozzle N.
- the embodiment further comprises a brush unit BU comprising a plurality of adjacent brushes B each having multiple brush elements. Preferably, the adjacent brushes B do not leave gaps between adjacent brushes.
- the brush unit BU is part of a wet cleaning unit WCU that further comprises a wetting unit WP formed by a wetting pad.
- the wet cleaning unit WCU may include a drying pad DP.
- the wetting pad WP is before the brush unit BU, while the drying pad DP is behind the brush unit BU, so that the brushes B act on a surface that has been wetted by the wetting pad WP.
- the surface may alternatively be wetted by a wetting unit WP that sprays a cleaning fluid on the surface and/or on the brush B.
- the wetting pad WP and the drying pad DP are preferably made as described in WO2018/153706 (attorneys' reference 2017P01665WO), incorporated herein by reference, which also describes a single tank that can be simultaneously used for clean water and dirty water, which single tank is preferably used in the surface cleaning utensil of the present invention.
- the brushes B rotate. They may rotate in a continuous rotation. Alternatively, they may regularly reverse the rotation direction. Adjacent brushes B may have opposite rotation directions. While each brush B may be driven by a separate motor, it is alternatively possible that only one or two motors are used for driving the brush unit BU, while the other brushes B are driven by gears, e.g. as shown in FIG. 3 , which shows adjacent brushes B having gear-shaped elements G. In the embodiment of FIG. 2 , it would be possible that only brushes B 2 and B 5 are directly driven by respective motors, while the rotation of the other brushes B 1 , B 3 , B 4 , B 6 results from the gear-shaped elements G.
- each brush B has at least 10,000 nylon bristles BE, e.g. at least 15,000.
- the length of the bristles BE is preferably between 3 and 5 mm, e.g. 4.2 mm.
- the brushes B are driven to carry out a translational movement compared to the surface cleaning utensil, e.g. by a laterally moving magnet.
- the magnets result in an oscillation frequency of at least 100 Hz.
- the brushes B have respective rotation axes substantially vertical to the surface to be cleaned, i.e. each rotation axis is at an angle of less than 45°, and preferably less than 30°, from an angle perpendicular to a surface to be cleaned.
- each brush B has a plurality of brush elements BE substantially parallel to the rotation axis.
- substantially parallel allows for a small deviation of up to 30°, and preferably not more than 20°.
- the brush elements BE may be bristles, like shown in FIG. 3 , or they may have a shape like shown in FIG. 1 .
- a front end of the wet cleaning unit WCU has a ramp R for thresholds to easier cope with thresholds. For the same reason, also a front end of the vacuuming nozzle N is slanted.
- FIG. 2 shows an embodiment of a brush unit BU for use in a surface cleaning utensil in accordance with the present invention, having 6 adjacent brushes B 1 , B 2 , B 3 , B 4 , B 5 and B 6 mounted at distances less than the maximum diameter of each brush.
- a vacuum cleaner comprising a nozzle formed by a surface cleaning utensil having a wet cleaning unit with a plurality of brushes as described above, and an air inlet, a suction unit (e.g. a fan) for generating an air flow through the air inlet, and a dirt separation unit (e.g. a cyclone or dust bag) for separating dirt from the air flow.
- a suction unit e.g. a fan
- a dirt separation unit e.g. a cyclone or dust bag
- the brush may have a rectangular shape, e.g. when it is only subject to a translation movement. If a control unit inside the robot cleaner is able to recognize the presence, and preferably also the severity of stains on the surface to be cleaned, the driving unit can be controlled in dependence of the result of this recognition.
- any reference signs placed between parentheses shall not be construed as limiting the claim.
- the word “comprising” does not exclude the presence of elements or steps other than those listed in a claim.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19152057.6A EP3682785A1 (en) | 2019-01-16 | 2019-01-16 | Surface cleaning utensil |
EP19152057.6 | 2019-01-16 | ||
PCT/EP2020/050340 WO2020148136A1 (en) | 2019-01-16 | 2020-01-09 | Surface cleaning utensil |
Publications (1)
Publication Number | Publication Date |
---|---|
US20220061610A1 true US20220061610A1 (en) | 2022-03-03 |
Family
ID=65033491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/416,791 Pending US20220061610A1 (en) | 2019-01-16 | 2020-01-09 | Surface cleaning utensil |
Country Status (8)
Country | Link |
---|---|
US (1) | US20220061610A1 (ja) |
EP (2) | EP3682785A1 (ja) |
JP (1) | JP7239706B2 (ja) |
CN (1) | CN113271833A (ja) |
BR (1) | BR112021013148A2 (ja) |
RU (1) | RU2766974C1 (ja) |
UA (1) | UA126879C2 (ja) |
WO (1) | WO2020148136A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023243850A1 (ko) * | 2022-06-13 | 2023-12-21 | 삼성전자 주식회사 | 습식 청소 로봇 및 이에 사용되는 오염 방지 모듈 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11612287B2 (en) | 2019-07-26 | 2023-03-28 | Sharkninja Operating Llc | Side brushes for a robotic vacuum cleaner |
GB2602068A (en) * | 2020-12-17 | 2022-06-22 | Dyson Technology Ltd | Floor cleaner |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3445877A (en) * | 1966-07-26 | 1969-05-27 | Harry E Stout | Polishing machine |
US4771498A (en) * | 1986-07-31 | 1988-09-20 | Idroplina S.R.L. | Rotary cleaning brush device for cleaners of paved surface |
US6108859A (en) * | 1998-07-29 | 2000-08-29 | Alto U. S. Inc. | High efficiency squeegee |
US20090064452A1 (en) * | 2001-05-25 | 2009-03-12 | David K. Thatcher, Owner | Powered carpet scrubbing and combing machine |
WO2014146732A1 (en) * | 2013-03-21 | 2014-09-25 | Aktiebolaget Electrolux | A vacuum cleaner nozzle comprising a rear brush mechanism |
US10278559B1 (en) * | 2014-10-06 | 2019-05-07 | Foaming Floors LLC | Foaming floor cleaner apparatus and system |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3013288A (en) * | 1958-06-24 | 1961-12-19 | Robert I Lappin | Apparatus for treating floors |
US3082451A (en) * | 1961-07-21 | 1963-03-26 | Nat Union Electric Corp | Attachment mounting for floor polisher or the like |
US4041567A (en) * | 1975-04-10 | 1977-08-16 | The Scott & Fetzer Company | Combination sweeping-scrubbing apparatus |
JP2006255398A (ja) * | 2005-02-21 | 2006-09-28 | Saburo Nakagori | 床面洗浄装置 |
EP1983879B1 (en) * | 2006-02-13 | 2015-11-11 | Black & Decker Inc. | Power mop with exposable scrub brush |
KR100841444B1 (ko) * | 2007-01-24 | 2008-06-25 | 삼성광주전자 주식회사 | 진공청소기의 브러시 및 걸레 겸용 흡입노즐 |
US8047736B2 (en) * | 2008-04-16 | 2011-11-01 | Jordan Power Equipment Co. | Liquid dispensing brush assembly for a floor scrubber |
EP2191763A1 (en) | 2008-10-07 | 2010-06-02 | Koninklijke Philips Electronics N.V. | Cleaning device with rotating brushes |
EP2934270B1 (en) * | 2012-12-20 | 2017-02-22 | Koninklijke Philips N.V. | Cleaning device for cleaning a surface |
WO2015074769A1 (en) * | 2013-11-21 | 2015-05-28 | Koninklijke Philips N.V. | Cleaning device having a nozzle for cleaning a surface |
CN103860106B (zh) * | 2014-03-11 | 2017-01-25 | 重庆三峡学院 | 一种多功能清洁器 |
DE102015101587B3 (de) | 2014-05-30 | 2015-07-09 | Wessel-Werk Gmbh | Robotsauger mit Mehrfachanordnung von Seitenbürsten |
CN206761643U (zh) * | 2017-01-05 | 2017-12-19 | 科沃斯机器人股份有限公司 | 清洁机器人 |
EP3366182A1 (en) | 2017-02-27 | 2018-08-29 | Koninklijke Philips N.V. | Cleaning device |
WO2018162092A1 (de) * | 2017-03-08 | 2018-09-13 | Alfred Kärcher SE & Co. KG | Selbstfahrendes und selbstlenkendes bodenreinigungsgerät |
CN107007217A (zh) * | 2017-06-12 | 2017-08-04 | 潘广慧 | 一种家庭用地板清洁拖地装置 |
CN109091081B (zh) * | 2018-09-11 | 2020-12-11 | 广东宏穗晶科技服务有限公司 | 一种扫地机器人 |
-
2019
- 2019-01-16 EP EP19152057.6A patent/EP3682785A1/en not_active Withdrawn
-
2020
- 2020-01-09 WO PCT/EP2020/050340 patent/WO2020148136A1/en unknown
- 2020-01-09 JP JP2021537108A patent/JP7239706B2/ja active Active
- 2020-01-09 CN CN202080008140.7A patent/CN113271833A/zh active Pending
- 2020-01-09 EP EP20700203.1A patent/EP3876807B1/en active Active
- 2020-01-09 RU RU2021117428A patent/RU2766974C1/ru active
- 2020-01-09 US US17/416,791 patent/US20220061610A1/en active Pending
- 2020-01-09 UA UAA202103369A patent/UA126879C2/uk unknown
- 2020-01-09 BR BR112021013148-5A patent/BR112021013148A2/pt unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3445877A (en) * | 1966-07-26 | 1969-05-27 | Harry E Stout | Polishing machine |
US4771498A (en) * | 1986-07-31 | 1988-09-20 | Idroplina S.R.L. | Rotary cleaning brush device for cleaners of paved surface |
US6108859A (en) * | 1998-07-29 | 2000-08-29 | Alto U. S. Inc. | High efficiency squeegee |
US20090064452A1 (en) * | 2001-05-25 | 2009-03-12 | David K. Thatcher, Owner | Powered carpet scrubbing and combing machine |
WO2014146732A1 (en) * | 2013-03-21 | 2014-09-25 | Aktiebolaget Electrolux | A vacuum cleaner nozzle comprising a rear brush mechanism |
US10278559B1 (en) * | 2014-10-06 | 2019-05-07 | Foaming Floors LLC | Foaming floor cleaner apparatus and system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023243850A1 (ko) * | 2022-06-13 | 2023-12-21 | 삼성전자 주식회사 | 습식 청소 로봇 및 이에 사용되는 오염 방지 모듈 |
Also Published As
Publication number | Publication date |
---|---|
JP7239706B2 (ja) | 2023-03-14 |
EP3876807B1 (en) | 2022-06-01 |
UA126879C2 (uk) | 2023-02-15 |
EP3876807A1 (en) | 2021-09-15 |
RU2766974C1 (ru) | 2022-03-16 |
JP2022508424A (ja) | 2022-01-19 |
BR112021013148A2 (pt) | 2021-09-08 |
EP3682785A1 (en) | 2020-07-22 |
CN113271833A (zh) | 2021-08-17 |
WO2020148136A1 (en) | 2020-07-23 |
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