EP3010385B1 - Suceur pour un aspirateur et aspirateur - Google Patents

Suceur pour un aspirateur et aspirateur Download PDF

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Publication number
EP3010385B1
EP3010385B1 EP13731101.5A EP13731101A EP3010385B1 EP 3010385 B1 EP3010385 B1 EP 3010385B1 EP 13731101 A EP13731101 A EP 13731101A EP 3010385 B1 EP3010385 B1 EP 3010385B1
Authority
EP
European Patent Office
Prior art keywords
suction opening
groove
vacuum cleaner
nozzle
suction
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.)
Active
Application number
EP13731101.5A
Other languages
German (de)
English (en)
Other versions
EP3010385A1 (fr
Inventor
Lennart Carlsson
Bo Pilsmo
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
Publication of EP3010385A1 publication Critical patent/EP3010385A1/fr
Application granted granted Critical
Publication of EP3010385B1 publication Critical patent/EP3010385B1/fr
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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
    • A47L9/02—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
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0606—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads
    • A47L9/0613—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads with means specially adapted for picking up threads, hair or the like, e.g. brushes, combs, lint pickers or bristles pads

Definitions

  • the present invention relates generally to the field of vacuum cleaners. More specifically, the present invention is related to a vacuum cleaner nozzle for cleaning carpets.
  • a vacuum cleaner is a device that uses a suction force generated by a fan unit to create a partial vacuum to suck up objects like dust, particles, fibres, hair etc. usually from floors and carpets.
  • a vacuum cleaner nozzle which is connected via a nozzle outlet to an extension tube and/or a suction hose to a dust compartment within the body of the vacuum cleaner.
  • the suction hose is normally engaged with a removable dust bag arranged inside the dust compartment for collecting dust and foreign materials that are sucked in through the vacuum cleaner nozzle when the vacuum cleaner is in an operative mode.
  • the dust laden air stream forwards the removed objects, via the hose, to the body of the vacuum cleaner in which the removed objects are separated from the air stream in the dust bag.
  • dust can be separated from the dust laden air stream using a cyclone or other suitable dust separating unit.
  • a known vacuum cleaner nozzle ( WO 2010/095995 A1 ) comprises a suction plate having an inlet side and an outlet side.
  • the vacuum cleaner nozzle further comprises an air duct having a duct wall extending through the suction plate from a suction opening on the inlet side to the outlet side.
  • a vacuum cleaner nozzle is disclosed.
  • the vacuum cleaner nozzle having thread pickup strip arranged in recesses in the underside of the nozzle.
  • a vacuum cleaner nozzle An essential requirement to be met by a vacuum cleaner nozzle is a high dust pick-up level on carpets. So, in general, the vacuum cleaner nozzle should be formed such, that a maximum dust pick-up level on carpets is reached. On the other hand, a maximization of the dust pick-up level leads to a high motion resistance, i.e. due to the suction force, the vacuum cleaner nozzle can only be moved on the carpet with increased physical strength.
  • a drawback of known vacuum cleaning nozzles with a high dust pick-up level is the increased motion resistance which leads to a physically demanding cleaning of carpets. Accordingly, there is a need for improvements of existing vacuum cleaner nozzles in order to increase the dust pick-up level without any increase or with only limited increase of the motion resistance.
  • the invention is intended for battery powered vacuum cleaners as well as mains-operated vacuum cleaners.
  • the invention relates to vacuum cleaner nozzle comprising a suction plate having an inlet side and an outlet side, said suction plate comprising
  • the fibers of the carpet are gracing along the inlet side of the suction plate.
  • the carpet fibers are distorted.
  • the carpet fibers are able to at least partially recover their shape, i.e. the carpet fibers at least partially re-raise. Said shape-recovering causes an increased movement of the carpet fibers which yield in an optimized removal of dust out of the carpet fibers.
  • the suction opening, the sealing edge and the least one groove are arranged in immediate succession.
  • the carpet fibers are re-distorted once again by means of the sealing edge.
  • the re-distorted carpet fibers arrive at the suction opening, at which the dust detached by the fiber movement is removed by the suction force.
  • the at least one groove is arranged with respect to a forward cleaning direction in front of the suction opening.
  • the carpet fibers first arrive at the groove which enhances the movement of the fibers.
  • said fibers reach the suction opening for dust removal.
  • the groove located in front of the suction opening enhances the dust removal in a forward cleaning direction.
  • the at least one groove is arranged with respect to a forward cleaning direction behind the suction opening.
  • the carpet fibers When moving the vacuum cleaner nozzle in a backward cleaning direction (towards the user), the carpet fibers first arrive at the groove which enhances the movement of the fibers. Following the groove, said fibers reach the suction opening for dust removal. Thereby, the groove located behind the suction opening enhances the dust removal in a backward cleaning direction.
  • a pair of grooves is provided comprising a first groove in a forward cleaning direction in front of the suction opening and second groove behind the suction opening.
  • the dust removal is enhanced, regardless of the direction of movement of said vacuum cleaner nozzle.
  • the vacuum cleaner nozzle comprises a pair of first grooves with respect to a forward cleaning direction in front of the suction opening, wherein the grooves of the pair of grooves are arranged at different sides laterally adjacent to a first lint picker portion.
  • the vacuum cleaner nozzle comprises a pair of second grooves with respect to a forward cleaning direction behind the suction opening, wherein the grooves of the pair of grooves are arranged at different sides laterally adjacent to a second lint picker portion.
  • Said lint picker portions are adapted to receive lint pickers which typically comprise a strip of a material in which tufts of fine fiber are secured. The lint pickers attract dust from the surface being cleaned.
  • the sealing edges, respectively, the grooves are provided for enhancing the carpet fiber movement.
  • the at least one groove is free of any elements or installation.
  • the at least one groove constitutes a recess, in which the carpet fibers are able to be inserted.
  • the groove is integrally formed within the suction plate and comprises a suitable depth for receiving the upper free ends of the carpet fibers.
  • the sealing edge separating the suction opening and the groove has a thickness of 1mm - 6mm, particularly 2mm, 3mm, 4mm or 5mm.
  • the invention also refers to a vacuum cleaner comprising a nozzle according to anyone of the preceding embodiments.
  • Fig. 1 and 2 illustrate an embodiment of a vacuum cleaner nozzle according to the present invention.
  • the vacuum cleaner nozzle 1 comprises a nozzle body, which is connected to a nozzle outlet.
  • the nozzle outlet is adapted for being connected to the suction hose of a vacuum cleaner (not shown) such that when the vacuum cleaner is in an operative mode, vacuum is created as air is sucked through the vacuum cleaner nozzle 1 via the hose to the vacuum cleaner.
  • a typical vacuum cleaner is well known by the skilled man and will not be described in further detail here.
  • the vacuum cleaner nozzle 1 comprises a suction plate 2.
  • the suction plate 2 is preferably a plastic part, which has been formed by means of, e.g. injection molding in one piece, a metal part, or a combination of plastic and metal.
  • the suction plate 2 has an inlet side 2.1 and an outlet side 2.2, and there is an air duct 3 extending from the inlet side 2.1 to the outlet side 2.2.
  • the air duct 3 forms a suction opening 4.
  • the suction opening 4 has, in this exemplifying embodiment, a substantially rectangular shape and has a first longitudinal side 4.1 and a second longitudinal side 4.2.
  • the first longitudinal side 4.1 and the second longitudinal side 4.2 are separated a distance which is herein after referred to as the suction opening width w.
  • the suction plate 2 is arranged such that the inlet side 2.1 is facing the surface being cleaned.
  • the longitudinal sides 4.1, 4.2 are perpendicular to the normal cleaning direction (CD), i.e. perpendicular to the movement of the vacuum cleaner nozzle 1 when it is being operated during vacuuming of a surface.
  • CD normal cleaning direction
  • the air duct 3 extends through the suction plate 2 to the outlet side 2.2.
  • the vacuum cleaner nozzle 1 further comprises a first sealing edge 5, 5' and a second sealing edge 5a, 5a' extending across the suction plate 2.
  • the first sealing edge 5, 5' and the second sealing edge 5a, 5a' extend perpendicular to the common cleaning direction CD and parallel to the first and second longitudinal side 4.1, 4.2 of the suction opening 4.
  • the first sealing edge 5, 5' is arranged in immediate vicinity to the first longitudinal side 4.1 of the suction opening 4 in the forward cleaning direction CD (away from the user) in front of the suction opening 4.
  • the second sealing edge 5a, 5a' is arranged in immediate vicinity to the second longitudinal side 4.2 of the suction opening 4 in the forward cleaning direction CD (away from the user) behind of the suction opening 4.
  • the first and second sealing edges 5, 5', 5a, 5a' are typically formed as integrated parts of the suction plate 2, however in an alternative embodiment the suction plate 2 is provided with sealing edges, which are separate parts being mounted along the suction opening 4.
  • the first and second sealing edge 5, 5', 5a, 5a' are constituted by pairs of sealing edges 5, 5', 5a, 5a' separated in a horizontal direction, i.e. the sealing edges 5, 5a are located at a first half of the vacuum cleaner nozzle 1 with respect to a first median plane MP1 parallel to the forward cleaning direction CD and the sealing edges 5', 5a' are located at a second half of the vacuum cleaner nozzle 1 with respect to said first median plane MP1.
  • the pairs of sealing edges 5, 5', 5a, 5a' are separated by first, respectively, second lint picker portions 8, 9. Said lint picker portions 8, 9 are arranged in parallel with the first sealing edge 5, 5' and the second sealing edge 5a, 5a'.
  • the lint picker portions 8, 9 are adapted to receive lint pickers.
  • Said lint pickers typically comprise a strip of a material in which tufts of fine fibre are secured.
  • the lint pickers attract dust from the surface being cleaned, and the dust is further sucked in through the suction opening 4.
  • the first and second sealing edge may be formed by continuous sealing edges extending across substantially the full width of the suction plate 2.
  • the first sealing edge 5, 5' and the second sealing edge 5a, 5a' engages with the carpet.
  • the purpose of the sealing edges 5, 5', 5a, 5a' is to restrict the air flow from areas surrounding the active suction area of the vacuum cleaner nozzle 1 on soft surfaces, the active suction area typically being the area covered by the suction opening 4.
  • the sealing edges 5, 5', 5a, 5a' are active so as to agitate the fibers of a soft surface, e.g. carpet fibers, during the forward and backward movement of the vacuum cleaner nozzle 1 against the surface being cleaned.
  • the vacuum cleaner nozzle 1 comprises at least one groove 6, 6', 7, 7' extending parallel to the longitudinal sides 4.1, 4.2 of the suction opening 4.
  • the groove 6, 6', 7, 7' is formed in the suction plate 2 by a recess in proximity to the suction opening 4.
  • Said groove 6, 6', 7, 7' may have a groove base 11 disposed at a distance to the contact surface 10, at which the nozzle 1 stays in contact with the surface being cleaned.
  • the groove may be integrally formed within the suction plate 2.
  • the least one groove 6, 6', 7, 7' and the suction opening 4 is separated by upper-mentioned sealing edge 5, 5', 5a, 5a'.
  • the first and second sealing edges 5, 5', 5a, 5a' form the borders of the suction opening 4 and the least one groove 6, 6', 7, 7' is located in immediate vicinity to one of said sealing edges 5, 5', 5a, 5a'.
  • the carpet fibers at least partially re-raise. Due to the further movement of the vacuum cleaner nozzle 1 said carpet fibers come into contact with the sealing edge 5, 5', 5a, 5a' arranged behind said groove 6, 6', 7, 7'. Said sealing edge 5, 5', 5a, 5a' forces the carpet fibers to turn down or distorted downwardly once again. Said deforming of the carpet fibers enhances the movement of the carpet fibers against each other. Said movement supports the peel-off of dust located within the carpet fibers.
  • the sealing edge 5, 5', 5a, 5a' separating the groove 6, 6', 7, 7' from the suction opening 4 has a width between 1mm and 6mm.
  • Such a narrowly formed sealing edge 5, 5', 5a, 5a' is advantageous, because the movement caused by the groove 6, 6', 7, 7' is remaining in the area of the suction opening 4, which leads to a further enhanced peel-off effect.
  • At least one groove 6, 6' is arranged with respect to the forward cleaning direction CD in front of the suction opening 4 and a further groove 7, 7' is arranged behind the suction opening 4.
  • the arrangement of sealing edges 5, 5', 5a, 5a' and grooves 6, 6', 7, 7' is mirror inverted with respect to a second median plane MP2 perpendicular to the forward cleaning direction CD.
  • the grooves 6, 6', 7, 7' are formed as pairs of grooves separated in a horizontal direction, i.e. the grooves 6, 7 are located at a first half of the vacuum cleaner nozzle 1 with respect to the first median plane MP1 and the grooves 6', 7' are located at a second half of the vacuum cleaner nozzle 1 with respect to said first median plane MP1.
  • the pairs of grooves are separated by the first, respectively, second lint picker portion 8, 9.
  • Figure 3 illustrate a vacuum cleaner 100 comprising a nozzle 101 according to an embodiment.
  • the nozzle 101 may be connected to a main body 104 of the vacuum cleaner 100 via a tube 102 and a hose 103.
  • embodiments of the vacuum cleaner nozzle according to the present invention as defined in the appended claims have been described. These should be seen as merely non-limiting examples.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (7)

  1. Suceur d'aspirateur (1) comprenant une plaque d'aspiration (2) ayant un côté entrée (2.1) et un côté sortie (2.2), ladite plaque d'aspiration (2) comprenant
    un conduit d'air (3), ledit conduit d'air (3) s'étendant à travers la plaque d'aspiration (2) depuis une ouverture d'aspiration (4) du côté entrée (2.1) jusqu'au côté sortie (2.2), l'ouverture d'aspiration (4) ayant une forme longitudinale s'étendant avec ses côtés longitudinaux transversalement à une direction de nettoyage (CD) ;
    des premier et second bords d'étanchéité (5) pour venir en prise avec une surface nettoyée et pour sceller au moins partiellement ladite ouverture d'aspiration (4) contre ladite surface nettoyée, les premier et second bords d'étanchéité (5) s'étendant le long d'au moins une partie latérale de ladite ouverture d'aspiration (4) sur des côtés opposés de l'ouverture d'aspiration (4),
    au moins une rainure (6, 6', 7, 7') s'étendant parallèlement vers les côtés longitudinaux de l'ouverture d'aspiration (4), la rainure (6, 6', 7, 7') étant formée dans la plaque d'aspiration (2) par un évidement à proximité de l'ouverture d'aspiration (4), l'au moins une rainure (6, 6', 7, 7') et l'ouverture d'aspiration (4) étant séparées exclusivement par le bord d'étanchéité (5), caractérisé en ce que,
    le suceur comprend une paire de rainures (6, 6') par rapport à une direction de nettoyage (CD) vers l'avant devant l'ouverture d'aspiration (4), les rainures (6, 6') de la paire de rainures étant disposées sur différents côtés latéralement adjacents à une première partie de ramassage de peluches (8) et/ou
    le suceur comprend une paire de rainures (7, 7') par rapport à une direction de nettoyage (CD) vers l'avant derrière l'ouverture d'aspiration (4), les rainures (7, 7') de la paire de rainures étant disposées sur différents côtés latéralement adjacents à une seconde partie de ramassage de peluches (9).
  2. Suceur selon la revendication 1, l'ouverture d'aspiration (4), le bord d'étanchéité (5) et au moins une rainure (6, 6', 7, 7') étant disposés en succession immédiate.
  3. Suceur selon la revendication 1 ou 2, l'au moins une rainure (6, 6') étant disposée par rapport à une direction de nettoyage (CD) vers l'avant en face de l'ouverture d'aspiration (4).
  4. Suceur selon l'une quelconque des revendications précédentes, l'au moins une rainure (7, 7') étant disposée par rapport à une direction de nettoyage (CD) vers l'avant derrière l'ouverture d'aspiration (4).
  5. Suceur selon l'une quelconque des revendications précédentes, l'au moins une rainure (6, 6', 7, 7') étant exempte d'éléments ou d'installations.
  6. Suceur selon l'une quelconque des revendications précédentes, le bord d'étanchéité (5) séparant l'ouverture d'aspiration (4) et la rainure (6, 6', 7, 7') ayant une épaisseur comprise entre 1 mm et 6 mm.
  7. Aspirateur comprenant un suceur (1) selon l'une quelconque des revendications 1 à 6.
EP13731101.5A 2013-06-19 2013-06-19 Suceur pour un aspirateur et aspirateur Active EP3010385B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/062745 WO2014202132A1 (fr) 2013-06-19 2013-06-19 Buse pour un aspirateur, et aspirateur

Publications (2)

Publication Number Publication Date
EP3010385A1 EP3010385A1 (fr) 2016-04-27
EP3010385B1 true EP3010385B1 (fr) 2018-12-05

Family

ID=48692473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13731101.5A Active EP3010385B1 (fr) 2013-06-19 2013-06-19 Suceur pour un aspirateur et aspirateur

Country Status (3)

Country Link
EP (1) EP3010385B1 (fr)
CN (1) CN105307551B (fr)
WO (1) WO2014202132A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3313251B1 (fr) * 2015-06-24 2019-10-02 AB Electrolux Buse d'aspirateur et aspirateur comprenant une buse

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2806571A1 (de) * 1978-02-16 1979-08-30 Hans Wessel Staubsaugermundstueck mit wenigstens einem fadenaufnehmer
DE3131380A1 (de) * 1981-08-07 1983-02-24 Düpro AG, 8590 Romanshorn Reinigungswerkzeug zum saugreinigen
US20020066154A1 (en) * 2000-12-06 2002-06-06 Dieter Kaffenberger Vacuum cleaner nozzle
ITMI20041074A1 (it) * 2004-05-28 2004-08-28 New Ermes Europe Spa Testa di aspirazione per spirapolvere o simile con condotto di aspirazione separabile
SE533482C2 (sv) 2009-02-20 2010-10-05 Electrolux Ab Dammsugarmunstycke
CN202426453U (zh) * 2011-12-04 2012-09-12 慕全文 一带紫外线杀菌灯的吸尘器刷头

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN105307551A (zh) 2016-02-03
EP3010385A1 (fr) 2016-04-27
WO2014202132A1 (fr) 2014-12-24
CN105307551B (zh) 2018-09-18

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