EP1118303A2 - Procédé et dispositif pour nettoyer le filtre d'un aspirateur muni d'une chambre de filtration cloisonnée - Google Patents

Procédé et dispositif pour nettoyer le filtre d'un aspirateur muni d'une chambre de filtration cloisonnée Download PDF

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Publication number
EP1118303A2
EP1118303A2 EP00127429A EP00127429A EP1118303A2 EP 1118303 A2 EP1118303 A2 EP 1118303A2 EP 00127429 A EP00127429 A EP 00127429A EP 00127429 A EP00127429 A EP 00127429A EP 1118303 A2 EP1118303 A2 EP 1118303A2
Authority
EP
European Patent Office
Prior art keywords
filter
air
sealing elements
chamber
ring filter
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
Application number
EP00127429A
Other languages
German (de)
English (en)
Other versions
EP1118303B1 (fr
EP1118303A3 (fr
Inventor
Silke Dipl. Ing. Meyer
Johann Machinenbautechniker Vogel
Günther Feinmechaniker Werbach
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.)
WAP Reinigungssysteme GmbH and Co
Original Assignee
WAP Reinigungssysteme GmbH and Co
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 WAP Reinigungssysteme GmbH and Co filed Critical WAP Reinigungssysteme GmbH and Co
Publication of EP1118303A2 publication Critical patent/EP1118303A2/fr
Publication of EP1118303A3 publication Critical patent/EP1118303A3/fr
Application granted granted Critical
Publication of EP1118303B1 publication Critical patent/EP1118303B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • A47L9/20—Means for cleaning filters

Definitions

  • the present invention relates to a method and an apparatus for the filter cleaning of a filter of a vacuum cleaner according to the generic term of claims 1 and 7.
  • Such filter cleaning is for example the subject of DE 41 38 223 C1 became known.
  • a movable with a connecting rod Supply air duct is used, which either one of the two openings of the filter covered and tightly connected to the external air flow.
  • that is Switching element, which the cleaning air to different areas of the Filters redirected, relatively complicated.
  • the invention is therefore based on the task of dividing the Filter area of a ring filter in at least two different, to be cleaned To design filter areas so that it is a much simpler and improved operation is possible.
  • the internal structure of the filter unit is designed so that in the interior the ring filter, a chamber housing is arranged, which a round circumferential, radial distance to the inner surface of the ring filter and which has an approximately electrical machine anchor-shaped profile in height cross section has, with two mirror-symmetrically arranged, circular chamber walls face each other through a middle Partition are sealed together.
  • the chamber housing is however, in a further embodiment such that the chamber walls touch each other or merge into each other and approximately at the point in the In the first embodiment, the interruption is one air opening each the closed wall. This air opening is round or oval educated.
  • the distance between the inside of the ring filter and the Outside of the chamber walls is at least twice by means of elastic Sealing elements bridged so that there are at least two separate chambers form.
  • filter cleaning is that there are two around the ring filter defined different chambers, one chamber of which Flow of suction air is flowing through and the filter accordingly in the operational Condition the dust particles are filtered out while the other one by means of the filter chamber separate second chamber is designed to be blown through in countercurrent to clean the filter in this area.
  • the radially outer surrounding space of the chamber wall forms a radial one external annular space between the inside of the ring filter and the Outside of this chamber housing, being in the area of this annulus at least two opposing inflatable seals are arranged.
  • These sealing elements are used to subdivide the Annulus, even if the distance of the ring filter to inner chamber housing is not the same size at every point but on different positions are different sizes. The compensation for Different distances are due to the variable volume and Shape change of the individual sealing elements achieved.
  • Inflation of the sealing elements results in one automatic application of these sealing elements to the chamber wall on the one hand and to the interior of the ring filter, on the other hand, as soon as the vacuum cleaner is switched on.
  • the seals become self-contained coincide and form a circumferential ring filter area. Shortly after Switching on the vacuum cleaner will blow the seals inside a few fractions of a second and then set the desired division of the ring filter in two different ring filter areas.
  • the elastic sealing elements by volume change deform so that they filter the filter unit in at least a portion, which is used to purify the polluted air, and in at least one Divide the section that is cleaned by the supplied false air.
  • the volume change of the approximately bag-shaped sealing elements takes place a lower air pressure in the outer surrounding area of the sealing elements against the air pressure in their inner area. This is achieved by that the pressure difference between the outer and inner area of the Sealing elements by generating a vacuum in the interior of the Ring filter compared to the normal air pressure.
  • the negative pressure in the interior of the ring filter is caused by the passage of an air flow through it. Due to their elastic volume change, the sealing elements compensate for differences in distance between the ring filter and chamber walls, which arise due to the non-centered positioning of the ring filter in the housing. They seal the distance between these two units, even if the distance has greater differences. This has the advantage that the ring filter no longer has to be exactly centered when inserted. In addition, a commercially available filter can be used for filtering, which does not require any additional elements.
  • the sealing elements are both on the inside of the operating state Ring filter as well as on the outside of the chamber housing. With their They are connected on the underside on the bottom surface of the chamber housing.
  • the chamber housing is located approximately centrally within the ring Chamber wall area arranged partition for air flow in two Subdivisions divided. This results in two partial air flows.
  • the Suction air flow that is the air flow that is to be cleaned by means of the ring filter, and the false air flow, which is by means of the same turbine as the suction air flow is generated, but by means of a second, separate air guidance system to one Control unit is guided.
  • Figure 1 shows a representation of the present invention in vertical Sectional view through the filter unit 1 with a schematically arranged Control for the air flow of the false air for the cleaning of the concerned Filter subareas. By controlling the false air, the air is also closed cleaning air forced.
  • FIGS. 1 and 2 of the invention there is a Ring filter 2 by means of a filter clamping disk 9 against an upper, fixed one Carrier plate 5 sealingly clamped in the vacuum cleaner.
  • the carrier plate 5 also forms an outer seal over a Container seal 4 with the dirt suction container 10. This points in itself known way a hose connector 11 for the dirt suction hose so that the dirt sucked into the interior 8 of the container 10 is sucked in and directed from the outside inwards with the ring filter polluted air.
  • Sealing elements 3 are provided, which are arranged inflatable. Every sealing element consists of a balloon-like, elastomeric material that opens like a sack is, so that it is closed all round and only an upper opening for accessing the atmospheric pressure into the interior of the sealing element 3 having.
  • a chamber housing 12 is arranged in the interior of the ring filter 2, which essentially corresponds in profile to an electrical machine anchor.
  • Two partially annular chamber walls arranged mirror-symmetrically to each other 19, 20 lie opposite each other and are separated by a central partition 18 connected with each other.
  • the chamber housing 12 also has a continuous one Floor area 21 on.
  • the housing walls of the chamber housing 12 are impermeable to air and between the chamber walls 19, 20 there is a first air opening 6 and a opposite air opening 14 defined.
  • the chamber walls 19, 20 are therefore interrupted in this area.
  • a general switching device 23 is provided, with which one can choose Air is directed from the outside in the direction of arrow 13 to the outside of the ring filter and - when switching the switching device 23 - the air from the interior of the Filters forth against the inner surface, so that the filter from the inside to is cleaned on the outside.
  • the switching device 23 is only shown schematically. It can only be seen that it is a changeover valve 22, for example with a pressure-controlled flap, so that either the air is either directed through the inlet 24 as intended into the upper half of the ring filter according to FIG. 2 for cleaning and via the outlet 25 the air cleaned by the ring filter flows in the lower region in the direction of arrow 15 and is fed back in the direction of the arrow to the opposite side.
  • the sealing element 3 In the left half of the illustration in FIG. 2, the sealing element 3 'is shown in the non-inflated state, while on the right side of the illustration the sealing element is shown in the inflated state.
  • the turbine 26 which the Air flow generated by the ring filter 2.
  • the area below the ring filter is used for separating dirt particles from the suction flow, while the lower one Part of the ring filter is cleaned.
  • the analog ones apply Conditions reversed, i.e. the upper area of the ring filter is cleaned and the upper area of the ring filter is used to separate dirt particles from the suction stream.
  • Sealing elements are arranged so that not only two each other opposite different areas 16, 17 defined on the ring filter but more than two such areas.
  • the shape of the sealing element (oval, round, square or the like) is indifferent. It is only important that the sealing element 3 is able to Effect of a pressure difference between its interior and its to inflate and seal both outside environment Chamber wall 19 and 20 as well as on the inner wall of the ring filter 2.
  • the sealing element 3 bears against some folds of the ring filter 2, so that can even be provided that the sealing element with its outer contour approximately the fold contour of the ring filter corresponds to an even better one To provide sealing contact surface on the ring filter.
  • ring filter 2 does not depend on the type and design of the ring filter 2; other types of filters can also be used, e.g. not from folded filter paper.
  • Porous filter materials can also be used. It’s only essential that at least two areas on the inflatable sealing elements Ring filters are defined, which is an area for the separation of Represent dirt particles from the suction stream while the other area in return, it is cleaned during this time.
  • the respective sealing element 3 is connected to the opening 27 the atmosphere.
  • the opening 27 can here via a channel, not shown, with the Atmosphere.
  • the two sealing elements are connected to one another in an air-conducting manner and only the one sealing element Has opening 27 while the other sealing element is completely closed is.
  • the sealing element must also seal on the support plate 5 and also rest on the ring filter, as shown in Figure 1.
  • the air openings are designed so that they are not oval Openings between the chamber walls 18 and 19 appear, but they are as interruptions between the two chamber walls 18 and 19 executed. So that means in the top view of a cut in the axis A-B, 4, the chamber housing 12 is closed as an approximately anchor-shaped structure detect.
EP20000127429 1999-12-18 2000-12-14 Procédé et dispositif pour nettoyer le filtre d'un aspirateur muni d'une chambre de filtration cloisonnée Expired - Lifetime EP1118303B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19961308 1999-12-18
DE1999161308 DE19961308A1 (de) 1999-12-18 1999-12-18 Verfahren und Vorrichtung zur Filterabreinigung eines Schmutzsaugers mit Filterkammerunterteilung

Publications (3)

Publication Number Publication Date
EP1118303A2 true EP1118303A2 (fr) 2001-07-25
EP1118303A3 EP1118303A3 (fr) 2002-12-11
EP1118303B1 EP1118303B1 (fr) 2005-12-07

Family

ID=7933320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000127429 Expired - Lifetime EP1118303B1 (fr) 1999-12-18 2000-12-14 Procédé et dispositif pour nettoyer le filtre d'un aspirateur muni d'une chambre de filtration cloisonnée

Country Status (3)

Country Link
EP (1) EP1118303B1 (fr)
DE (2) DE19961308A1 (fr)
DK (1) DK1118303T3 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2428559A (en) * 2005-07-22 2007-02-07 Panasonic Corp North America Vacuum cleaner with filter cleaning system
WO2010028787A1 (fr) 2008-09-13 2010-03-18 Nilfisk-Advance A/S Nettoyage de filtre dans un aspirateur de saletés avec élément à clapet
US7752708B2 (en) 2006-03-08 2010-07-13 Panasonic Corporation Of North America Floor cleaning apparatus with filter cleaning system
US9271620B2 (en) 2012-03-27 2016-03-01 Daryl S. Meredith Vacuum
US10143345B2 (en) 2016-01-22 2018-12-04 Dyson Technology Limited Vacuum cleaning apparatus
US10299648B2 (en) 2016-01-22 2019-05-28 Dyson Technology Limited Vacuum cleaner
US10390670B2 (en) 2016-01-22 2019-08-27 Dyson Technology Limited Separating apparatus and vacuum cleaner
CN113545595A (zh) * 2021-08-02 2021-10-26 卜磊 一种便于保护车漆的车载除尘刷

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201700637D0 (en) 2017-01-13 2017-03-01 Black & Decker Inc Dust collection box

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0500420A1 (fr) * 1991-02-13 1992-08-26 BACOT, Dominique Cartouche filtrante
DE4138223C1 (en) * 1991-11-21 1993-02-18 Alfred Kaercher Gmbh & Co, 7057 Winnenden, De Vacuum cleaner with cleaning unit for filter - has separate filters closing through holes in parallel between dust collector and suction unit
WO1997041945A1 (fr) * 1996-05-02 1997-11-13 Markku Vanhala Dispositif de nettoyage pour le filtre de dispositifs a filtre a poussieres

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0500420A1 (fr) * 1991-02-13 1992-08-26 BACOT, Dominique Cartouche filtrante
DE4138223C1 (en) * 1991-11-21 1993-02-18 Alfred Kaercher Gmbh & Co, 7057 Winnenden, De Vacuum cleaner with cleaning unit for filter - has separate filters closing through holes in parallel between dust collector and suction unit
WO1997041945A1 (fr) * 1996-05-02 1997-11-13 Markku Vanhala Dispositif de nettoyage pour le filtre de dispositifs a filtre a poussieres

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7673369B2 (en) 2005-07-22 2010-03-09 Panasonic Corporation Of North America Floor cleaning apparatus with filter cleaning system
GB2428559A (en) * 2005-07-22 2007-02-07 Panasonic Corp North America Vacuum cleaner with filter cleaning system
GB2428559B (en) * 2005-07-22 2010-05-19 Panasonic Corp North America Floor cleaning apparatus with filter cleaning system
US7752708B2 (en) 2006-03-08 2010-07-13 Panasonic Corporation Of North America Floor cleaning apparatus with filter cleaning system
US7908707B2 (en) 2006-03-08 2011-03-22 Panasonic Corporation Of North America Floor cleaning apparatus with filter cleaning system
DE102008047047B4 (de) * 2008-09-13 2012-09-20 Alto Deutschland Gmbh Filterabreinigung in einem Schmutzsauger mit Klappenelement
DE102008047047A1 (de) 2008-09-13 2010-04-01 Alto Deutschland Gmbh Filterabreinigung in einem Schmutzsauger mit Klappenelement
CN102196756A (zh) * 2008-09-13 2011-09-21 力奇-先进股份公司 具有活门元件的吸污机中的过滤器净化系统
WO2010028787A1 (fr) 2008-09-13 2010-03-18 Nilfisk-Advance A/S Nettoyage de filtre dans un aspirateur de saletés avec élément à clapet
CN102196756B (zh) * 2008-09-13 2014-08-06 力奇-先进股份公司 具有过滤器净化系统及活门元件的吸污机
US8961633B2 (en) 2008-09-13 2015-02-24 Nilfisk-Advance A/S Filter cleaning in a vacuum having a flap element
US9271620B2 (en) 2012-03-27 2016-03-01 Daryl S. Meredith Vacuum
US10143345B2 (en) 2016-01-22 2018-12-04 Dyson Technology Limited Vacuum cleaning apparatus
US10299648B2 (en) 2016-01-22 2019-05-28 Dyson Technology Limited Vacuum cleaner
US10390670B2 (en) 2016-01-22 2019-08-27 Dyson Technology Limited Separating apparatus and vacuum cleaner
CN113545595A (zh) * 2021-08-02 2021-10-26 卜磊 一种便于保护车漆的车载除尘刷

Also Published As

Publication number Publication date
DK1118303T3 (da) 2006-04-10
DE19961308A1 (de) 2001-07-12
EP1118303B1 (fr) 2005-12-07
DE50011813D1 (de) 2006-01-12
EP1118303A3 (fr) 2002-12-11

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