EP2433538A1 - Gleitsohle einer Staubsaugerdüse - Google Patents
Gleitsohle einer Staubsaugerdüse Download PDFInfo
- Publication number
- EP2433538A1 EP2433538A1 EP11306188A EP11306188A EP2433538A1 EP 2433538 A1 EP2433538 A1 EP 2433538A1 EP 11306188 A EP11306188 A EP 11306188A EP 11306188 A EP11306188 A EP 11306188A EP 2433538 A1 EP2433538 A1 EP 2433538A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sole
- vacuum cleaner
- scraping
- suction channel
- plane
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 238000007790 scraping Methods 0.000 claims description 23
- 238000006748 scratching Methods 0.000 claims description 14
- 230000002393 scratching effect Effects 0.000 claims description 14
- 239000004753 textile Substances 0.000 description 13
- 239000002245 particle Substances 0.000 description 5
- 238000007747 plating Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 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
- 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
Definitions
- the present invention generally relates to a vacuum nozzle whose sole improves the suction efficiency.
- the document GB 1,458,899 has a suction nozzle whose sole has a suction channel defined at the front and rear by flexible blades. These blades can be deformed under the action of a vertical force of support on the sole created by the depression in the channel. By deforming, the blades vary the effective surface of the channel and regulate the force of support, to allow to scrape a textile floor with a constant force. Scraping is understood to mean the mechanical action of the sole on the hairs of the textile floor to be cleaned.
- An object of the present invention is to meet the drawbacks of the document of the prior art mentioned above and in particular, first of all, to provide a sole suction nozzle sole which makes it possible to guarantee efficient suction of floors textiles and easy use during squeegee movements.
- a first aspect of the invention relates to a suction nozzle sole comprising at least one suction channel of the ground defined at the front and rear by scratching edges, characterized in that the sole comprises means limiting the force of advancement of the soleplate on the ground interacting with means for regulating a pressure-flow torque of the air sucked into the suction channel by predetermining a pressure drop of the passing air under the ridge before scratching. Thanks to the means of regulating the pressure and the flow of air in the suction channel, the plating force resulting from the pressure in the suction channel guarantees effective scraping of the soil to be cleaned, and the other aside, the flow rate is sufficient to cause the particles to suck.
- Means limiting the forward force make the use of the nozzle easy and easy, while also participating in setting the value of pressure and flow in the suction channel of the nozzle. Finally, the control means also participate in limiting the efforts to move the sole by distributing the plating force and ensuring that it is not too important.
- the scraping edges define a scraping plane and the means for regulating a pressure-flow torque of the air sucked into the suction channel comprise a sealing plate included in the scraping plane and delimited by the edge before scratching.
- the pressure drop is fixed by the width of the sealing plate in a simple way because the air is forced to pass through the textile floor to be cleaned. This dish makes it possible to distribute the contact forces on the textile floor to be cleaned, which limits the efforts that the user must exert during the movements of the nozzle.
- the means limiting the force of advance of the soleplate on the ground comprise a forward attack chamfer arranged at the front of the sealing plate.
- This simple embodiment has the effect of limiting the forward forces when the nozzle is pushed forward, but its arrangement at the front of the dish also guides the intake air and ensure that the air flow passing under the plate will allow proper aspiration of the particles.
- a rear attack chamfer limiting the back force of the sole on the ground is arranged behind the rear edge of scratching.
- This simple embodiment has the effect of limiting the recoil forces when the nozzle is pulled back, but its arrangement at the rear of the rear edge of scraping also guides the intake air and ensure that the flow air passing under the rear scraping edge will allow proper aspiration of the particles.
- the suction channel has a length Lc and characterized in that the plate has a width Lp greater than the value defined by the formula Lp> 570 / Lc.
- the pressure drop of air passing under the plate is distributed over the entire length of the suction channel. The longer it is, the lower the pressure drop per unit length must be.
- the formula defining the minimum value of the width of the plate makes it possible to adapt this width which directly controls the pressure drop. Tests and tests in fluid mechanics show that a flat too narrow is not suitable to predetermine a sufficient pressure drop.
- the front and rear attack chamfers form with the scratching plane an angle of between 10 and 20 ° and in that they are connected at their opposite end to the scraping edges with a radius.
- This value range of chamfer angle of attack ensures not only increased ease of use, but also a correct flow rate to allow satisfactory suction efficiency. Below 10 °, the chamfer limits the movement forces, but limits too much flow and above 20 °, the air flow is facilitated, but the thrust forces to put the sole in motion are too important.
- the radius of the front attack chamfer is between 1 and 4 millimeters and in that the radius of the rear attack chamfer is between 2 and 8 millimeters.
- the values of the radii arranged at the ends of the chamfers make it possible to reduce the resistance to movements, but also make it possible to ensure a value at the flow rate enabling efficient suction.
- a particularly interesting embodiment consists in that the sealing plate has a width of between 4.5 and 5.5 millimeters, and in that the front and rear attack chamfers form with the scratching plane an angle of between 13 ° and 17 °. .
- the Applicant has found that with values included in these ranges, the suction of textile floors was particularly effective.
- a second aspect of the invention is a vacuum cleaner comprising at least one squeegee sole according to the first aspect of the invention.
- the figure 1 represents the sectional view of a suction nozzle sole 100 for use in cleaning a textile floor.
- the sole 100 includes a suction channel 10 formed along the sole 100. This channel is delimited at the front by a front scraping edge 11 and at the rear by a rear scraping edge 12.
- the depression and the flow rate of the air in the suction channel 10 caused by the suction of the motor of the vacuum cleaner have values determined in particular by the pressure drops imposed on the air flow entering the suction channel 10. These pressure losses depend on the path of the air flow, which is imposed by the profile of the sole 100.
- the flow of air entering from the front passes under the scraping edge before 11, but also under a sealing plate 20. This sealing plate 20 is contained in a scraping plane defined by the two scraping edges 11 and 12.
- the width of the sealing plate 20, which is in contact with the soil, requires the flow of air to pass through the textile floor at least over the corresponding width of the dish 20.
- the greater the width of the dish 20, the greater the pressure drop and therefore the pressure in the channel suction 10 drop.
- the plating force created by the atmospheric pressure on the sole increases and the scraping of the ground by the front and rear edges 11 and 12 increases.
- the value of the width of the plate 20 should not be too important because it is necessary that the particles removed from the fibers by the scratching edges 11 and 12 are then sucked and for this purpose, it is necessary that the air flow sucked has a minimum value.
- the plate 20 distributes the plating force on the ground and therefore limits the depression of the sole in the textile ground and the effort required to push the nozzle.
- a chamfer 25 is arranged at the front of the flat and ends with a radius 26. Due to its position juxtaposed to the flat, the chamfer 25, in addition to reducing the resistance strength of the fibers of the textile soil to pass under the plate 20, guides the air and acts on the pressure drop of the flow sucked.
- the parameters influencing the passage of the air flow are the angle ⁇ of the chamfer 25 with the scratching plane and the length of the chamfer 25.
- the scraping edge 12 is connected to a chamfer 35 which ends with a radius 36.
- the chamfer 35 limits the forces during the retreat of the sole 100 allowing a progressive contact of the sole with the bristles of the textile floor to be cleaned, but its length and its angle ⁇ with the scraping plane also affects the air flow entering the rear of the suction channel 10.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL11306188T PL2433538T3 (pl) | 2010-09-24 | 2011-09-22 | Stopa ssawki odkurzacza |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1057713A FR2965165B1 (fr) | 2010-09-24 | 2010-09-24 | Regles de grattage de suceur d'aspirateur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2433538A1 true EP2433538A1 (de) | 2012-03-28 |
EP2433538B1 EP2433538B1 (de) | 2018-04-25 |
Family
ID=44065273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11306188.1A Active EP2433538B1 (de) | 2010-09-24 | 2011-09-22 | Gleitsohle einer Staubsaugerdüse |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2433538B1 (de) |
KR (1) | KR101870442B1 (de) |
CN (1) | CN102415854B (de) |
ES (1) | ES2670575T3 (de) |
FR (1) | FR2965165B1 (de) |
PL (1) | PL2433538T3 (de) |
PT (1) | PT2433538T (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3047775A1 (de) * | 2015-01-23 | 2016-07-27 | Wessel-Werk GmbH | Gleitsohle aus kunststoff für eine staubsaugerdüse |
EP3257417A3 (de) * | 2016-06-14 | 2017-12-27 | Wessel-Werk GmbH | Staubsaugerdüse |
CN108498005A (zh) * | 2017-02-23 | 2018-09-07 | 威赛有限公司 | 静止的吸尘器底部吸嘴 |
EP3639715A1 (de) * | 2018-10-15 | 2020-04-22 | Wessel-Werk GmbH | Staubsaugerbodendüse |
US20230001459A1 (en) * | 2018-04-13 | 2023-01-05 | James T. Pierson | Coating removal tool |
EP4311464A1 (de) * | 2022-07-29 | 2024-01-31 | Seb S.A. | Saugkopf mit einer sohle mit gekrümmter vordergleitfläche |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3035583B1 (fr) * | 2015-04-29 | 2017-12-01 | Seb Sa | Semelle de suceur d'aspirateur |
FR3035582B1 (fr) | 2015-04-29 | 2017-06-02 | Seb Sa | Semelle de suceur d'aspirateur |
CN105982621B (zh) | 2016-04-14 | 2019-12-13 | 北京小米移动软件有限公司 | 自动清洁设备的风路结构和自动清洁设备 |
FR3094623B1 (fr) * | 2019-04-05 | 2022-12-16 | Seb Sa | Suceur d’aspirateur pourvu d’une nervure de grattage arrière |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1458899A (en) | 1973-03-28 | 1976-12-15 | Hitachi Ltd | Suction nozzle for a vacuum cleaner |
FR2497453A1 (fr) * | 1981-01-07 | 1982-07-09 | Vorwerk Co Interholding | Suceur pour aspirateur de poussiere |
EP0623304A1 (de) * | 1993-05-05 | 1994-11-09 | Moulinex S.A. | Staubsaugerdüse |
EP0793938A2 (de) * | 1996-03-04 | 1997-09-10 | Wessel-Werk Gmbh | Staubsaugerdüse mit federnder Gleitsohle |
EP1772089A2 (de) * | 2005-10-04 | 2007-04-11 | Samsung Gwangju Electronics Co., Ltd. | Saugbürste für einen Staubsauger |
EP1964501A2 (de) * | 2007-03-01 | 2008-09-03 | Wessel-Werk Gmbh | Blechgleitsohle für Staubsaugerdüse |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7621523U1 (de) | 1976-07-07 | 1978-01-19 | Wessel, Hans, 5226 Reichshof | Gleitsohle fuer staubsaugerduesen |
GB1493097A (en) | 1976-07-09 | 1977-11-23 | Wessel H | Suction cleaner nozzles |
DE7812958U1 (de) | 1978-04-27 | 1979-10-04 | Wessel, Hans, 5226 Reichshof | Gleitsohle fuer staubsaugerduesen |
DE7833705U1 (de) | 1978-11-13 | 1979-04-26 | Vorwerk & Co Interholding Gmbh, 5600 Wuppertal | Gleitplatte fuer staubsaugerduesen |
DD155293A1 (de) | 1980-12-16 | 1982-06-02 | Harald Frank | Bodenplatte fuer staubsaugerduese |
KR20010098259A (ko) * | 2000-04-29 | 2001-11-08 | 구자홍 | 배기 환류식 진공 청소기의 흡입구체 |
DE102004005641A1 (de) | 2004-02-04 | 2005-09-01 | Miele & Cie. Kg | Düse für ein Bodenpflegegerät |
SE530111C2 (sv) * | 2006-07-06 | 2008-03-04 | Electrolux Ab | Mattrengöringsanordning och ett förfarande för rengöring av en matta |
-
2010
- 2010-09-24 FR FR1057713A patent/FR2965165B1/fr active Active
-
2011
- 2011-09-16 CN CN201110274996.1A patent/CN102415854B/zh active Active
- 2011-09-22 PL PL11306188T patent/PL2433538T3/pl unknown
- 2011-09-22 EP EP11306188.1A patent/EP2433538B1/de active Active
- 2011-09-22 PT PT113061881T patent/PT2433538T/pt unknown
- 2011-09-22 ES ES11306188.1T patent/ES2670575T3/es active Active
- 2011-09-23 KR KR1020110096073A patent/KR101870442B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1458899A (en) | 1973-03-28 | 1976-12-15 | Hitachi Ltd | Suction nozzle for a vacuum cleaner |
FR2497453A1 (fr) * | 1981-01-07 | 1982-07-09 | Vorwerk Co Interholding | Suceur pour aspirateur de poussiere |
EP0623304A1 (de) * | 1993-05-05 | 1994-11-09 | Moulinex S.A. | Staubsaugerdüse |
EP0793938A2 (de) * | 1996-03-04 | 1997-09-10 | Wessel-Werk Gmbh | Staubsaugerdüse mit federnder Gleitsohle |
EP1772089A2 (de) * | 2005-10-04 | 2007-04-11 | Samsung Gwangju Electronics Co., Ltd. | Saugbürste für einen Staubsauger |
EP1964501A2 (de) * | 2007-03-01 | 2008-09-03 | Wessel-Werk Gmbh | Blechgleitsohle für Staubsaugerdüse |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3047775A1 (de) * | 2015-01-23 | 2016-07-27 | Wessel-Werk GmbH | Gleitsohle aus kunststoff für eine staubsaugerdüse |
EP3257417A3 (de) * | 2016-06-14 | 2017-12-27 | Wessel-Werk GmbH | Staubsaugerdüse |
CN108498005A (zh) * | 2017-02-23 | 2018-09-07 | 威赛有限公司 | 静止的吸尘器底部吸嘴 |
CN108498005B (zh) * | 2017-02-23 | 2021-12-17 | 威赛有限公司 | 静止的吸尘器底部吸嘴以及吸尘器 |
US20230001459A1 (en) * | 2018-04-13 | 2023-01-05 | James T. Pierson | Coating removal tool |
US11986866B2 (en) * | 2018-04-13 | 2024-05-21 | James T. Pierson | Coating removal tool |
EP3639715A1 (de) * | 2018-10-15 | 2020-04-22 | Wessel-Werk GmbH | Staubsaugerbodendüse |
EP4311464A1 (de) * | 2022-07-29 | 2024-01-31 | Seb S.A. | Saugkopf mit einer sohle mit gekrümmter vordergleitfläche |
FR3138289A1 (fr) * | 2022-07-29 | 2024-02-02 | Seb S.A. | Tête d’aspiration comprenant une semelle équipée d’une surface de glissement avant courbée |
Also Published As
Publication number | Publication date |
---|---|
CN102415854A (zh) | 2012-04-18 |
FR2965165B1 (fr) | 2013-07-12 |
KR101870442B1 (ko) | 2018-07-19 |
PL2433538T3 (pl) | 2018-08-31 |
ES2670575T3 (es) | 2018-05-31 |
CN102415854B (zh) | 2016-05-18 |
PT2433538T (pt) | 2018-05-25 |
FR2965165A1 (fr) | 2012-03-30 |
EP2433538B1 (de) | 2018-04-25 |
KR20120031452A (ko) | 2012-04-03 |
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