EP0890335A1 - Trennvorrichtung für Staubsauger mit Flüssigkeitsbad - Google Patents

Trennvorrichtung für Staubsauger mit Flüssigkeitsbad Download PDF

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Publication number
EP0890335A1
EP0890335A1 EP98112228A EP98112228A EP0890335A1 EP 0890335 A1 EP0890335 A1 EP 0890335A1 EP 98112228 A EP98112228 A EP 98112228A EP 98112228 A EP98112228 A EP 98112228A EP 0890335 A1 EP0890335 A1 EP 0890335A1
Authority
EP
European Patent Office
Prior art keywords
hollow body
separator
supporting element
slits
discharge
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
EP98112228A
Other languages
English (en)
French (fr)
Other versions
EP0890335B1 (de
Inventor
Orazio Baracco
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.)
De Longhi SpA
Original Assignee
Vetrella SpA
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 Vetrella SpA filed Critical Vetrella SpA
Publication of EP0890335A1 publication Critical patent/EP0890335A1/de
Application granted granted Critical
Publication of EP0890335B1 publication Critical patent/EP0890335B1/de
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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/18—Liquid filters
    • A47L9/186—Construction of outlets
    • A47L9/187—Construction of outlets with filtering means, e.g. separators
    • A47L9/188—Construction of outlets with filtering means, e.g. separators movable, revolving or rotary

Definitions

  • This invention concerns a separator unit for liquid bath vacuum cleaners as set forth in the main claim.
  • the separator unit is employed in liquid bath vacuum cleaners to separate particulates of dust and dirt from the ingested air.
  • liquid bath vacuum cleaners employed for cleaning, which comprise a box-like structure housing an intake assembly, a system with an air chamber, a rotary separator and a tank, open at the upper part, containing liquid, normally water.
  • the box-like structure includes an inlet aperture which communicates with the tank; the intake conduit engages with the said aperture.
  • the inlet aperture is normally made on the tank at a height above the level of the liquid contained therein and is orientated towards the liquid.
  • the separator is arranged facing above the tank and assembled on the drive shaft of the intake assembly; it substantially consists of a hollow body, generally shaped like a truncated cone, and includes at the sides longitudinal slits inclined according to the direction of rotation.
  • the centrifugal force deriving from the rotation of the separator generates a phenomenon of coalescence between the particulates of dirt and dust and the drops of water which are forced towards the outside, separating from the air which, on the contrary, is drawn upwards, is impelled into the air chamber system and discharged into the outside environment through apertures made for this purpose.
  • the centrifugal force also causes the agglomerated particulates of dirt, dust and liquid to be discharged from the separator through the longitudinal slits; the particulates then fall into the tank of liquid due to their own weight.
  • particulates remain inside the hollow body of the separator and are either deposited on the walls thereof or they filter into the coupling zone between the separator and the drive shaft, which causes an encrustation of dirt to form.
  • the present Applicant has designed, tested and embodied this invention to overcome the shortcomings of the state of the art and to obtain further advantages.
  • the purpose of the invention is to provide a rotary separator assembly for liquid bath vacuum cleaners which will give a better discharge of the agglomerated particulates of liquid, dirt and dust once these particulates have been separated from the air.
  • the separator assembly according to the invention comprises a hollow body which is constrained to the drive shaft by means of a disk-shaped and axially holed supporting element.
  • the supporting element is keyed onto the drive shaft and includes a peripheral edge which couples with the upper edge of the hollow body.
  • the supporting element also includes a plurality of apertures arranged radially which allow the air which is to be discharged to pass from the hollow body of the separator to the air chamber system.
  • the peripheral edge On at least part of the perimeter of the supporting element there are discharge slits, made in correspondence with the peripheral edge, to discharge the residual particulates of dirt, dust and liquid from inside the separator assembly.
  • the discharge slits are arranged in correspondence with the edge where the supporting element rests on the hollow body of the separator assembly, so as to allow the complete discharge of the particulates of dirt and dust which might remain in the area of separation between the supporting element and the hollow body.
  • the discharge slits are arranged radially in a position mating with the radial apertures.
  • the discharge slits have at least the inlet mouth connected with the peripheral edge of the supporting element and/or the radial apertures.
  • the discharge slits are open at the upper part.
  • the rotation action causes the particulates of dust and dirt to coalesce with the little drops of liquid which has been ingested.
  • the agglomerated particulates of dirt, dust and liquid which have not been expelled and which tend to rise up along the walls of the hollow body, are instead discharged outside the separator assembly through the discharge slits, again due to the effect of the centrifugal force generated by the rotation of the separator assembly itself.
  • the separator assembly 10 according to the invention for liquid bath vacuum cleaners is shown in section in Fig. 1.
  • the separator assembly 10 is assembled on the drive shaft 11 of the intake assembly of the vacuum cleaner and faces above a tank to contain the liquid (not shown here).
  • the separator assembly 10 consists of a hollow body 12 shaped like a truncated cone and of a mating disk-shaped supporting element 13 by means of which the hollow body 12 is constrained to the drive shaft 11.
  • the hollow body 12 is constrained to the drive shaft 11 at the upper part by means of the supporting element 13 and at the lower part by means of a screw-type attachment element 14.
  • the supporting element 13 is keyed onto the drive shaft 11, in this case by means of a coupling bush 16, and includes a peripheral edge 17 comprising a tooth 17a which can be coupled through contact with a shaping 18a made on the upper edge 18 of the hollow body 12 (Fig. 1).
  • the hollow body 12 includes an axial hole 20 inside which the drive shaft 11 is inserted.
  • the drive shaft 11 In its end portion which emerges from the axial hole 20, the drive shaft 11 includes a thread 15 onto which the screw-type attachment element 14 is anchored, in order to complete the coupling of the drive shaft 11 and the hollow body 12.
  • the longitudinal slits 21 of the hollow body 12, made along the lateral surface of the latter, are defined in this case by ribs 22 which develop lengthwise in two non-aligned segments 22a and 22b, defining an intermediate step-like portion facing towards the cavity of the hollow body 12.
  • the step-like portion defines a first intake zone with a reduced diameter and a second zone, with a wider diameter, for the discharge of the liquid mixed with dust and dirt.
  • the hollow body 12 also includes a stiffening ring 23 arranged in an inner position with respect to the upper segment 22a and substantially above the lower segment 22b.
  • the supporting element 13 includes a plurality of radial apertures 24 in this case shaped like a rounded trapezoid.
  • the radial apertures 24 are separated by walls 25 equipped with stiffening fins 26.
  • peripheral edge 17 cooperating with the tooth 17a there are also a plurality of discharge slits 27, each of which connects a relative radial aperture 24 with the outside.
  • the discharge slits 27 have lateral walls 27a which connect with the relative radial apertures 24 so as to define a lead-in mouth to encourage a better discharge of the residual particulates and drops.
  • the discharge slits 27 are open at the upper part.
  • the discharge slits 27 are arranged between the upper edge 18 of the hollow body 12 and the lower wall 28a of the air chamber system 28 of the vacuum cleaner (Fig. 1).
  • the flow of air generated by the intake assembly passes through the separator assembly 10 taking with it, inside the hollow body 12 of the separator, the particulates of dust and dirt straying inside the underlying tank containing liquid, and small drops of the liquid itself.
  • the centrifugal force itself causes them to be expelled from the hollow body 12 through the longitudinal slits 21, particularly through the upper portion thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Water Treatments (AREA)
  • Centrifugal Separators (AREA)
  • Cyclones (AREA)
  • Filtration Of Liquid (AREA)
  • Degasification And Air Bubble Elimination (AREA)
EP98112228A 1997-07-10 1998-07-02 Trennvorrichtung für Staubsauger mit Flüssigkeitsbad Expired - Lifetime EP0890335B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT97UD000121A IT1295163B1 (it) 1997-07-10 1997-07-10 Gruppo separatore per macchine aspirapolvere a bagno liquido
ITUD970121 1997-07-10

Publications (2)

Publication Number Publication Date
EP0890335A1 true EP0890335A1 (de) 1999-01-13
EP0890335B1 EP0890335B1 (de) 2003-05-21

Family

ID=11422420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98112228A Expired - Lifetime EP0890335B1 (de) 1997-07-10 1998-07-02 Trennvorrichtung für Staubsauger mit Flüssigkeitsbad

Country Status (6)

Country Link
EP (1) EP0890335B1 (de)
AT (1) ATE240678T1 (de)
DE (1) DE69814747T2 (de)
ES (1) ES2193442T3 (de)
IT (1) IT1295163B1 (de)
PT (1) PT890335E (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1284803A1 (de) * 2000-04-19 2003-02-26 Rexair, Inc Trennvorrichtung mit multifunktionaler statorschaufel für staubsauger
EP1426004A2 (de) * 2002-12-03 2004-06-09 Izumi Products Company Elektrischer Staubsauger
EP1475028A2 (de) * 2003-05-07 2004-11-10 Gisowatt S.P.A. Industria Elettrodomestici Staubsauger mit Flüssigkeitsbad mit dynamischen Trenner
EP1426093A3 (de) * 2002-11-19 2005-04-27 PROAIR GmbH Gerätebau Abscheider für einen Nassauger
WO2008153506A1 (en) * 2007-06-15 2008-12-18 Domel, Elektromotorji In Gospodinjski Aparati, D.D. Vacuum cleaner separator
EP2196125A2 (de) 2008-12-09 2010-06-16 Domel Elektromotorji in Gospodinjski Aparati, D.D. Staubsaugertrennvorrichtung für Hochgeschwindigkeitsstaubsaugermotor
EP2364633A1 (de) * 2010-03-09 2011-09-14 Koninklijke Philips Electronics N.V. Staubsauger
EP2468164A1 (de) 2010-12-27 2012-06-27 GISOWATT S.P.A. Industria Elettrodomestici Verfahren und dynamische Trennereinheit für einen Flüssigbad-Staubsauger
EP2883572A1 (de) * 2013-12-13 2015-06-17 Kao Corporation Haaraufhellungs-/-bleichzusammensetzung
WO2020124332A1 (zh) * 2018-12-17 2020-06-25 苏州市格美纳电器有限公司 一种分离器及具有该分离器的吸尘器
CN112450797A (zh) * 2020-12-04 2021-03-09 苏州卡比特智能科技有限公司 具有旋转轮组件的吸尘器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992003210A1 (en) * 1990-08-24 1992-03-05 Rexair, Inc. Separator for a vacuum cleaner system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992003210A1 (en) * 1990-08-24 1992-03-05 Rexair, Inc. Separator for a vacuum cleaner system

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1284803A4 (de) * 2000-04-19 2005-08-24 Rexair Inc Trennvorrichtung mit multifunktionaler statorschaufel für staubsauger
EP1284803A1 (de) * 2000-04-19 2003-02-26 Rexair, Inc Trennvorrichtung mit multifunktionaler statorschaufel für staubsauger
EP1426093A3 (de) * 2002-11-19 2005-04-27 PROAIR GmbH Gerätebau Abscheider für einen Nassauger
EP1426004A2 (de) * 2002-12-03 2004-06-09 Izumi Products Company Elektrischer Staubsauger
EP1426004A3 (de) * 2002-12-03 2005-10-05 Izumi Products Company Elektrischer Staubsauger
US7251855B2 (en) 2002-12-03 2007-08-07 Izumi Products Company Electric vacuum cleaner
EP1475028A2 (de) * 2003-05-07 2004-11-10 Gisowatt S.P.A. Industria Elettrodomestici Staubsauger mit Flüssigkeitsbad mit dynamischen Trenner
EP1475028A3 (de) * 2003-05-07 2007-08-15 Gisowatt S.P.A. Industria Elettrodomestici Staubsauger mit Flüssigkeitsbad mit dynamischen Trenner
WO2008153506A1 (en) * 2007-06-15 2008-12-18 Domel, Elektromotorji In Gospodinjski Aparati, D.D. Vacuum cleaner separator
EP2196125A3 (de) * 2008-12-09 2013-09-18 Domel Elektromotorji in Gospodinjski Aparati, D.D. Staubsaugertrennvorrichtung für Hochgeschwindigkeitsstaubsaugermotor
EP2196125A2 (de) 2008-12-09 2010-06-16 Domel Elektromotorji in Gospodinjski Aparati, D.D. Staubsaugertrennvorrichtung für Hochgeschwindigkeitsstaubsaugermotor
EP2364633A1 (de) * 2010-03-09 2011-09-14 Koninklijke Philips Electronics N.V. Staubsauger
WO2011110971A1 (en) 2010-03-09 2011-09-15 Koninklijke Philips Electronics N.V. A vacuum cleaner
RU2559232C2 (ru) * 2010-03-09 2015-08-10 Конинклейке Филипс Электроникс Н.В. Пылесос
US9554682B2 (en) 2010-03-09 2017-01-31 Koninklijke Philips N.V. Vacuum cleaner
EP2468164A1 (de) 2010-12-27 2012-06-27 GISOWATT S.P.A. Industria Elettrodomestici Verfahren und dynamische Trennereinheit für einen Flüssigbad-Staubsauger
EP2883572A1 (de) * 2013-12-13 2015-06-17 Kao Corporation Haaraufhellungs-/-bleichzusammensetzung
WO2020124332A1 (zh) * 2018-12-17 2020-06-25 苏州市格美纳电器有限公司 一种分离器及具有该分离器的吸尘器
EP3900601A4 (de) * 2018-12-17 2021-12-29 Suzhou Gamana Electric Appliance Co., Ltd. Abscheider und staubsauger mit einem abscheider
JP2022515395A (ja) * 2018-12-17 2022-02-18 蘇州市格美納電器有限公司 セパレータ及びこのセパレータを備えた掃除機
CN112450797A (zh) * 2020-12-04 2021-03-09 苏州卡比特智能科技有限公司 具有旋转轮组件的吸尘器

Also Published As

Publication number Publication date
PT890335E (pt) 2003-08-29
ITUD970121A1 (it) 1999-01-10
DE69814747T2 (de) 2004-02-19
ATE240678T1 (de) 2003-06-15
ES2193442T3 (es) 2003-11-01
IT1295163B1 (it) 1999-04-30
DE69814747D1 (de) 2003-06-26
EP0890335B1 (de) 2003-05-21

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