EP0903104B1 - Appareil de nettoyage à voie humide - Google Patents

Appareil de nettoyage à voie humide Download PDF

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Publication number
EP0903104B1
EP0903104B1 EP98116481A EP98116481A EP0903104B1 EP 0903104 B1 EP0903104 B1 EP 0903104B1 EP 98116481 A EP98116481 A EP 98116481A EP 98116481 A EP98116481 A EP 98116481A EP 0903104 B1 EP0903104 B1 EP 0903104B1
Authority
EP
European Patent Office
Prior art keywords
air flow
cleaning apparatus
wet cleaning
resonance
room
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.)
Expired - Lifetime
Application number
EP98116481A
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German (de)
English (en)
Other versions
EP0903104A1 (fr
Inventor
Paul Roth
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.)
Proair GmbH Geratebau
Original Assignee
Proair GmbH Geratebau
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 Proair GmbH Geratebau filed Critical Proair GmbH Geratebau
Priority to SI9830377T priority Critical patent/SI0903104T1/xx
Publication of EP0903104A1 publication Critical patent/EP0903104A1/fr
Application granted granted Critical
Publication of EP0903104B1 publication Critical patent/EP0903104B1/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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0019—Details of the casing
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/365—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the vertical type, e.g. tank or bucket type

Definitions

  • the invention relates to a wet cleaning device according to the preamble of claim 1.
  • the invention is based on the object, the generic wet cleaning device in such a way that in a structurally simple way a significant noise reduction during operation of the wet cleaning device is achieved.
  • the risk that dust particles through the leaking air currents are whirled up avoided.
  • the wet cleaning apparatus shown in Figs. 1 and 2 is a so-called wet vacuum, for example, for cleaning floors is used. He has a lower part of the housing serving as a liquid container 1. It can be on a base with wheels or Rollers sit. It is also possible, the liquid container 1 itself equipped with wheels or castors. On the liquid container 1 sits an upwardly projecting housing upper part 2, 3, 29, 23, in the a motor 4 with a motor housing 5 and a turbine (blower) 6 are housed.
  • the upper housing part 2, 3, 29, 23 consists of a on the liquid container 1 seated connector 3, a lying on this middle part 29 and a seated on him final part 23, which are covered by a cover 2.
  • the motor housing 5 has peripheral outlet openings 5 'for an engine cooling air flow P. Below the engine sits the turbine 6, which is from the Motor 4 is driven and also circumferential outlet openings 7 has.
  • the liquid container 1 has an intake 9, to the one Suction hose can be connected.
  • the intake 9 projects within the liquid container 1 down, advantageously so far, that the outlet opening of the intake 9 below the Liquid level is.
  • the sucked on the intake 9 Polluted air is thus inevitably with the liquid F, which is preferably water, brought into contact.
  • the liquid container 1 has a concave cross-section Bottom 1 'and a convex curved lid 10.
  • the lid 10 which is formed integrally with the intake manifold 9, has a circumferential edge 10 ', which is approximately H-shaped in cross section is. With this edge 10 ', the lid 10 is an annular Projection 1 "of the liquid container 1 placed on the H-shaped Edge 10 'of the lid 10, the connection part 3 with a Edge 3 "mounted.
  • the lid 10 has a central opening 11 through which a separator 8 protrudes into the liquid container 1.
  • the separator 8 lies with a retaining ring 8 'on the edge of the opening 11 and is over a annular support 20 on the underside of the housing middle part 29 attached.
  • the connecting part 3 has on the intake manifold. 9 opposite side an outer wall portion 3 ', which with a Outer wall 2 'of the cover 2 is approximately aligned.
  • the wall 3 ' has an opening 12 in which a distributor cap 13 is seated (Fig. 1). Within the connecting part 3, the distributor cap 13 projects through a Opening 14 'of an axially extending wall 14 between the radial extending walls 15 and 16 is provided.
  • the wall 14 is located on the side of the intake manifold 9 a slightly conical inward inclined extending wall 17 with an upper, radially outward projecting flange 18 opposite. He has several with radial and peripheral decorum next to and behind each other Passage openings 19 for the suction air flow P 'on.
  • the wall 17 goes into the radial wall 16, with the housing connection part. 3 is mounted on the carrier 20 which carries the turbine 6. simultaneously the separator 8 is partially overlapped by the carrier 20. He lies up a slightly convex upwardly curved bottom 21 'of a housing inner part 21 on. To the bottom 21 'closes one up projecting wall 22, on which the flange 18 of the connecting part 3rd rests.
  • Das Abdeckteil 2 is pot-shaped and surrounds the motor housing at a distance 5 and the final part 23, which in turn the motor housing 5 surrounds with distance.
  • the cover 2 extends to to the intake 9 and on the opposite side to about at the height of the turbine 6.
  • an outlet opening 24 formed between the free edge of the housing wall 2 'and the housing wall 3' of the housing parts 2, 3 is an outlet opening 24 formed.
  • the final part 23 has at its overhead, perpendicular to the axis of the motor 4 extending bottom 25 a Opening 26. Below her is a fan 27, which is in the motor housing is housed.
  • the conically widening coat 23 'of the closure member 23 has a radially outwardly projecting circumferential edge 28, with the final part 23 on the central part 29 rests. It surrounds the turbine 6 in its upper half and supports on the connection part 3 or its wall 15 and the flange 18 off.
  • the central part 29 has an upper, radially extending wall 30 with a inner peripheral ridge 31, with which the central part 29 on the turbine 6 is present.
  • the wall 30 goes into a down-projecting coat 32 over, the free edge 30 'on the flange 18 of the connecting part 3 rests.
  • the outlet opening 24 has the free edge 30 'from the wall 15 of the connecting part 3 small distance, whereby an inlet 33 forming a passage opening for the suction air flow P 'is formed.
  • Approximately half the width of the wall 30 protrudes an annular wall 34 below, about the same distance from the shell 32 and the turbine. 6 Has.
  • the annular wall 34 lies on the side facing away from the intake 9 Side on the wall 15 and in the region of the intake 9 am inner edge of the flange 18 at.
  • the annular wall 34 in an axial section L-shaped, radially to inside projecting legs 35, 36, whose upstanding leg portion 36 from the turbine casing 6 'distance. This will be between the leg portion 36 and the shell 6 'an opening 37 is formed, through which the air flow P 'can flow.
  • a front panel 38 is provided, which the intake manifold 9 surrounds.
  • the cooling air flow flows P on the outlet openings 5 'to the outside in an intermediate the motor housing 5 and the end part 23 formed Annulus 40, in which a pressure builds up in the cooling air flow P.
  • the Cooling air flow P passes through a to the bottom 25 of the cup-shaped Attachment part 23 subsequent and provided in the jacket 23 ' Passage opening 41 in a gap 39 from. From here the cooling air flow P flows down through an inlet 42 forming a passage gap which is between the Jacket 32 of the closure member 23 and the opposite housing wall 2 'is provided and in a subsequent downward Verwirbelungsraum 43 opens.
  • the bottom of the resonance chamber 44 is through the Wall 16 formed.
  • the resonance chamber 44 has in its wall 17 adjacent to the distributor cap 13, for example, a round opening 49th
  • a third resonance space 45 which passes through the walls 17 and 22, the flange 18, the wall 16 and the bottom 21 'of the housing inner part 21 limited is.
  • an opening 46 is provided, through which the suction air flow P 'can flow.
  • fourth resonance space 47 is of the housing walls 32, 34 of the Housing middle part 29, the wall 30 and the flange 18 of the connecting part 3 or the housing wall 15 limited.
  • the resonance chamber 47 surrounds the resonance chamber 48 and is by him through the Ring wall 34 separated. As shown in FIGS. 1 and 2, the resonance space is 47 provided with the passage opening 33.
  • the cooling air flow P is from the fan 27, the rotationally fixed on the motor shaft sitting, sucked on the front panel 38 of the upper housing part 2.
  • the cooling air flow P flows from the front panel 38 in the gap 39, in which he up to the opening 26 in the Bottom 25 of the closure member 23 flows.
  • the cooling air flow P passes then in the motor housing 5. In him the cooling air flow P flows along the motor 4 down, the engine is optimally cooled.
  • the cooling air flow P passes over the outlet openings 5 'in the annular space 40 between the motor housing 5 and the final part 23 from.
  • the annulus 40 is formed that the cooling air flow P under a building up Pressure flows upwards and over the passage opening 41 to the outside enters the space 39.
  • the cooling air flow flows in it P down and enters via the fürströmspalt or inlet 42 into the fluidizing space 43.
  • the two air streams P, P 'meet in the swirling space 43 preferably perpendicular to each other.
  • the air streams P, P ' may also be among others Angles in the swirling space 43 meet.
  • the distributor cap 13 is advantageously formed flow-optimized. You can also, as indicated in Fig. 1 with dashed lines, about be executed cone-shaped.
  • the distributor cap 13 widens in Direction of flow in the direction of the outlet opening 24.
  • the lateral surface the distributor cap 13 is for flow optimization in Axial section concavely curved.
  • the housing middle part 29, which has the resonance chambers 47 and 48, divides the upper housing part 2, 3, 29, 23 in a lower Main part with the housing connection part 3 and an upper cap-like Part with the final part 23.
  • the outlet opening 24 of the swirling space 43 is advantageously so designed so that the exiting air flow in a certain direction, is preferably deflected upwards.
  • the edges or exit edges of the outlet opening 24 constructive designed so that they form guide and deflection, where the emerging airflow is deflected upward. This prevents that by the exiting air flow dust particles in the surrounding area or unnecessarily stirred up on the ground.
  • the passage opening or the inlet 33 for the air flow P ' is, as shown in FIG. 1, in the area below the lower edge of the outlet opening 24. As a result, the Air flow P 'after its passage through the passage opening or the inlet 33rd inevitably deflected upwards so he through the outlet 24 can go outside.

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Claims (18)

  1. Appareil de nettoyage humide comprenant un réservoir du liquide (1), dans lequel débouche une tubulure d'aspiration (9) pour un courant d'air aspiré (P'), avec un couvercle de boítier (2) dans lequel est disposé un moteur (4), lequel est au moins partiellement entouré par l'écoulement d'un courant de l'air de refroidissement (P) et avec au moins un orifice d'échappement (24),
    caractérisé en ce que l'appareil de nettoyage humide comprend des chemins de courant aussi bien qu'un espace de tourbillonnement avec admissions (42, 43) lesquels sont formés de telle manière que pour le courant de l'air de refroidissement (P) et le courant de l'air aspiré (P') sont prévus chemins de courant séparés, lesquels se jettent dans l'espace de tourbillonnement (43) et qu'au moins une admission (33) pour le courant de l'air aspiré (P') et une admission (42) pour le courant de l'air de refroidissement (P) sont prévues de telle manière sur les différents côtés divers de l'espace de tourbillonnement (43) et que le courant de l'air de refroidissement (P) et le courant de l'air aspiré (P') se rencontrent en formant un angle.
  2. Appareil de nettoyage humide selon revendication 1,
    caractérisé en ce que dans l'espace de tourbillonnement (43) débouche l'orifice d'échappement (24).
  3. Appareil de nettoyage humide selon revendication 1 ou 2,
    caractérisé en ce que dans la direction du mouvement du courant de l'air aspiré (P'), devant l'espace de tourbillonnement (43) sont disposées au moins une, de préférence quatre cavités résonnantes (44, 45, 47, 48) connectées l'une à l'autre par le courant de l'air aspiré (P').
  4. Appareil de nettoyage humide selon revendication 3,
    caractérisé en ce que le moteur (4) actionne une turbine (6), ladite boíte (6') comprenant des orifices d'échappement (7) lesdits débouchant dans une première cavité résonnante (48) ladite comprenant au moins une paroi (34), constituée avantageusement d'un matériau élastique sur lequel le courant de l'air aspiré (P') est incident lors de l'échappement des orifices d'échappement (7).
  5. Appareil de nettoyage humide selon revendication 3 ou 4,
    caractérisé en ce que la première cavité résonnante (48) comprend au moins un orifice d'échappement (37) qui débouche dans une deuxième cavité résonnante (44) qui comprend avantageusement au moins un orifice (49) s'étendant sur la totalité de la hauteur.
  6. Appareil de nettoyage humide selon revendication 5,
    caractérisé en ce que dans la direction de mouvement du courant de l'air aspiré (P'), est disposé un cache de distribution (13) derrière l'orifice (49) de la deuxième cavité résonnante (44) ladite étant de forme conique de préférence.
  7. Appareil de nettoyage humide selon revendication 5 ou 6,
    caractérisé en ce qu'a la seconde cavité résonnante (44), est jointe une troisième cavité résonnante (45) dans laquelle arrive le courant de l'air aspiré (P') sur la cache de distribution (13) et qu'avantageusement, la troisième cavité résonnante (45), comprend au moins un, de préférence plusieurs orifices de transit (19), lesquels relient la troisième cavité résonnante (45) à une quatrième cavité résonnante (47).
  8. Appareil de nettoyage humide selon revendication 7,
    caractérisé en ce que la quatrième cavité résonnante (47) est située de manière radiale dans le voisinage de la première cavité résonnante (48) et que de préférence, la première et la quatrième cavité résonnante (48, 47) sont séparées l'une de l'autre par la paroi (34) de la première cavité résonnante (48).
  9. Appareil de nettoyage humide selon quelqu'une des revendications 3 à 8,
    caractérisé en ce que les cavités résonnantes (44, 45, 47, 48) sont de construction annulaire et de préférence possédant un axe commun.
  10. Appareil de nettoyage humide selon quelqu'une des revendications 3 à 9,
    caractérisé en ce que la première et la quatrième cavité résonnante (48; 47) sont disposées dans une pièce moyenne du boítier (29), ayant de préférence une forme annulaire, aménagée entre un élément de raccordement de boítier (3) et un élément d'obturation du boítier (23) et, avantageusement, entourant la turbine (6) à une certaine distance.
  11. Appareil de nettoyage humide selon quelqu'un des revendications 3 à 10,
    caractérisé en ce que l'admission (33) pour le courant de l'air aspirée (P) est formée par un trou de transport de la quatrième cavité résonnante (47).
  12. Appareil de nettoyage humide selon quelqu'un des revendications 1 à 11,
    caractérisé en ce que la carcasse du moteur (5) comprend au moins un orifice d'échappement (5'), lequel débouche dans un espace annulaire (40) étant formé entre la carcasse du moteur (5) et un élément d'obturation du boítier (23), l'espace annulaire (40) comprenant de préférence au moins une ouverture de transit (41), laquelle débouche dans un espace d'écoulement (39), formé entre un élément d'obturation du boítier (23) et le couvercle du boítier (2).
  13. Appareil de nettoyage humide selon revendication 12;
    caractérisé en ce que l'espace annulaire (40) comprend environ dans la zone de connexion de l'élément d'obturation du boítier (23) à la pièce moyenne du boítier (29) au moins une ouverture de passage de courant de l'air de refroidissement (P), ladite ouverture (42) forme l'admission dans l'espace de tourbillonnement (43) et de préférence étant à peu prés opposée à l'admission (33) pour le courante de l'air aspiré (P').
  14. Appareil de nettoyage humide selon quelqu'un des revendications 3 à 13,
    caractérisé en ce que la première et la quatrième cavité résonnante (48, 47) sont environ de même taille.
  15. Appareil de nettoyage humide selon quelqu'un des revendications 11 à 14,
    caractérisé en ce que l'admission (33) pour le courant de l'air aspiré (P') de la quatrième cavité résonnante (47) est placée dans la zone du fond (15).
  16. Appareil de nettoyage selon quelqu'un des revendications 1 à 15,
    caractérisé en ce que les orifices d'échappement (24) de l'espace de tourbillonnement (43) sont situés dans la zone au-dessus de l'admission prévue pour le courant de l'air aspiré (P') de la quatrième cavité résonnante (47).
  17. Appareil de nettoyage humide selon quelqu'un des revendications 1 à 16,
    caractérisé en ce que le courant de l'air (P, P') s'échappant de l'appareil de nettoyage humide par les orifices d'échappement (24) de l'espace de tourbillonnement (43) est orienté en biais vers le haut.
  18. Appareil de nettoyage humide selon quelqu'un des revendications 1 à 17,
    caractérisé en ce que l'orifice d'échappement (24) de l'espace de tourbillonnement (43) comprend au moins un bord (3'), formé comme élément de détournement.
EP98116481A 1997-09-20 1998-09-01 Appareil de nettoyage à voie humide Expired - Lifetime EP0903104B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9830377T SI0903104T1 (en) 1997-09-20 1998-09-01 Wet cleaning apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19741545 1997-09-20
DE19741545A DE19741545A1 (de) 1997-09-20 1997-09-20 Naßreinigungsgerät

Publications (2)

Publication Number Publication Date
EP0903104A1 EP0903104A1 (fr) 1999-03-24
EP0903104B1 true EP0903104B1 (fr) 2003-05-02

Family

ID=7843060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98116481A Expired - Lifetime EP0903104B1 (fr) 1997-09-20 1998-09-01 Appareil de nettoyage à voie humide

Country Status (13)

Country Link
US (1) US6192551B1 (fr)
EP (1) EP0903104B1 (fr)
JP (1) JPH11137482A (fr)
AT (1) ATE238730T1 (fr)
AU (1) AU727630B2 (fr)
CA (1) CA2247775A1 (fr)
CZ (1) CZ293298A3 (fr)
DE (2) DE19741545A1 (fr)
NO (1) NO984050L (fr)
PL (1) PL187276B1 (fr)
SI (1) SI0903104T1 (fr)
TR (1) TR199801847A2 (fr)
ZA (1) ZA988483B (fr)

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EP1244376B1 (fr) * 1999-03-30 2006-06-14 Nilfisk Advance A/S Installation d'un moteur dans un aspirateur
US6530116B2 (en) * 2001-02-13 2003-03-11 Shop Vac Corporation Vacuum cleaner with muffled detachable blower exhaust
US6804857B1 (en) * 2001-09-20 2004-10-19 M.D. Manufacturing, Inc. Apparatus for dampening the noise of a vacuum cleaner
US6807709B2 (en) * 2002-02-07 2004-10-26 Koblenz Electrica, S.A. De C.V. Vacuum cleaner cooling system
US20030192573A1 (en) * 2002-04-16 2003-10-16 Loi Tran Floor care machine with counter acting force
US20050273969A1 (en) * 2002-11-12 2005-12-15 Watson James B AC/DC portable wet/dry vacuum having improved portability and convenience
US7653963B2 (en) * 2002-11-12 2010-02-02 Black & Decker Inc. AC/DC hand portable wet/dry vacuum having improved portability and convenience
EP1785079A3 (fr) * 2002-11-12 2007-11-14 BLACK & DECKER INC. Aspirateur de liquide/poussière portatif CA/CC doté d'une portabilité et d'une commodité améliorées
EP2433537A1 (fr) * 2003-07-10 2012-03-28 Black & Decker Inc. Aspirateur
US7690077B2 (en) * 2005-09-28 2010-04-06 Electrolux Home Care Products, Ltd. Central vacuum units with an acoustic damping pathway
GB2436787A (en) * 2006-04-05 2007-10-10 Vax Ltd Electric motor housing
GB2478642A (en) * 2010-03-08 2011-09-14 Oreck Holdings Llc A canister vacuum cleaner
US8533906B2 (en) * 2011-07-07 2013-09-17 Shop Vac Corporation Vacuum cleaner with recirculated cooling air
US9107550B2 (en) 2013-09-27 2015-08-18 Black & Decker Inc. Compact vacuum and sander
KR101684796B1 (ko) * 2015-08-18 2016-12-08 엘지전자 주식회사 흡입 유닛
KR102560970B1 (ko) 2016-03-31 2023-07-31 엘지전자 주식회사 청소기
WO2017171495A1 (fr) 2016-03-31 2017-10-05 엘지전자 주식회사 Appareil de nettoyage
ES2965608T3 (es) 2016-03-31 2024-04-16 Lg Electronics Inc Aparato de limpieza
US11166607B2 (en) 2016-03-31 2021-11-09 Lg Electronics Inc. Cleaner
EP3238592B1 (fr) * 2016-04-27 2021-06-02 Diversey, Inc. Aspirateur
CN111870190B (zh) * 2020-06-15 2022-06-03 添可智能科技有限公司 一种自动清洗系统及可移动设备

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Also Published As

Publication number Publication date
PL187276B1 (pl) 2004-06-30
TR199801847A3 (tr) 1999-07-21
CZ293298A3 (cs) 1999-12-15
SI0903104T1 (en) 2003-08-31
DE19741545A1 (de) 1999-03-25
NO984050D0 (no) 1998-09-03
PL328681A1 (en) 1999-03-29
NO984050L (no) 1999-03-22
ATE238730T1 (de) 2003-05-15
DE59808138D1 (de) 2003-06-05
JPH11137482A (ja) 1999-05-25
AU8515298A (en) 1999-04-01
EP0903104A1 (fr) 1999-03-24
AU727630B2 (en) 2000-12-14
US6192551B1 (en) 2001-02-27
ZA988483B (en) 1998-10-02
CA2247775A1 (fr) 1999-03-20
TR199801847A2 (xx) 1999-07-21

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