EP1444944A2 - Exhaust filter for housings of floor care devices - Google Patents

Exhaust filter for housings of floor care devices Download PDF

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Publication number
EP1444944A2
EP1444944A2 EP03027981A EP03027981A EP1444944A2 EP 1444944 A2 EP1444944 A2 EP 1444944A2 EP 03027981 A EP03027981 A EP 03027981A EP 03027981 A EP03027981 A EP 03027981A EP 1444944 A2 EP1444944 A2 EP 1444944A2
Authority
EP
European Patent Office
Prior art keywords
filter
blow
housing
filter material
air
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
EP03027981A
Other languages
German (de)
French (fr)
Other versions
EP1444944B1 (en
EP1444944B9 (en
EP1444944A3 (en
Inventor
Thomas Stein
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.)
Stein and Co GmbH
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Stein and Co GmbH
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 Stein and Co GmbH filed Critical Stein and Co GmbH
Publication of EP1444944A2 publication Critical patent/EP1444944A2/en
Publication of EP1444944A3 publication Critical patent/EP1444944A3/en
Publication of EP1444944B1 publication Critical patent/EP1444944B1/en
Application granted granted Critical
Publication of EP1444944B9 publication Critical patent/EP1444944B9/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/10Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/12Dry filters
    • A47L9/127Dry filters tube- or sleeve-shaped
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/0081Means for exhaust-air diffusion; Means for sound or vibration damping

Definitions

  • the invention relates to a blow-out filter on Housing of floor care devices, in particular Vacuum cleaner, one via a suction channel
  • Motor upstream dust collection unit such as a Filter bag and if necessary a motor protection filter are arranged and the exhaust air via air outlets is guided outside in the housing.
  • the aim is Blow-out duct and the exit point in the area of the To make the vacuum cleaner housing as large as possible, to have a low blowout resistance cause. Contrary to these requirements but also a reduction in noise emissions required by a relatively large Flow resistance could be achieved. This conflicting demands so far cannot be solved in a satisfactory manner.
  • EP 0 706 774 B discloses the exit cross section corresponding covered openings in the form of Housing slots in the side walls of the housing to increase as a protective bandage.
  • the object of the invention is to easily Outflow area further increase and small Allow flow velocities and a To ensure sound insulation.
  • the low flow rate in the filter area also has the advantage that a high The degree of separation of suspended matter is achieved.
  • By the relatively large filter volume is still a very large one long filter life guaranteed.
  • a simple training is created in that the tubular filter material on both End faces with fasteners to the housing releasably used sealing and in the engine compartment facing area passages are formed.
  • Filter material is designed in microfilter quality.
  • the external filter material through a elastic support body is held.
  • a housing 1 arranged with a suction channel 2 as a hose is provided and in the housing 1 in a load Filter bag 3 opens and one below the Filter bag 3 arranged engine 4 in an engine compartment 5th having.
  • the motor 4 is in a known manner Motor protection filter 6 upstream.
  • the housing 1 is in its cylindrical region wrapped like a hose by a filter material 7.
  • the Filter material 7 is on fasteners 8, 9 on Housing 1 releasably connected and opposite Sealed outside.

Abstract

The outflow filter has a large area housing region that is covered by a filter material forming the outlet filter or a housing (1) enclosed in a tubular manner by a filter material (7) forming the outlet filter and the outlet air can be fed into a casing volume (11) formed between the housing and the filter material. The ends of the tubular filter material are reversibly sealed by attachment elements (8,9).

Description

Die Erfindung bezieht sich auf einen Ausblasfilter am Gehäuse von Bodenpflegegeräten, insbesondere Staubsauger, wobei über einen Saugkanal eine einem Motor vorgeschaltete Staubabscheideeinheit, wie eine Filtertüte und gegebenenfalls ein Motorschutzfilter angeordnet sind und die Ausblasluft über Luftaustritte im Gehäuse nach außen geführt wird.The invention relates to a blow-out filter on Housing of floor care devices, in particular Vacuum cleaner, one via a suction channel Motor upstream dust collection unit, such as a Filter bag and if necessary a motor protection filter are arranged and the exhaust air via air outlets is guided outside in the housing.

Bei Staubsaugern ist es üblich, die eingesaugte Luft nach einem Passieren der Schmutzaufnahme und der Filter über einen Ausblaskanal einer Mehrzahl benachbart zueinander angeordneter Gehäuseschlitze zuzuführen. Bei einem Austreten der Luft aus den Gehäuseschlitzen werden beträchtliche Strömungsgeschwindigkeiten erreicht. Durch die relativ starke Konzentration des Luftstromes werden Strömungsgeräusche erzeugt, darüber hinaus werden auch Schallanteile aus dem Motorbereich übertragen. With vacuum cleaners, it is common to take in the air after passing through the dirt pick-up and the filters adjacent to a plurality via a blow-out duct feed to each other arranged housing slots. at an escape of air from the housing slots become considerable flow velocities reached. Due to the relatively strong concentration of the Airflow, flow noise is generated, above In addition, there are also sound components from the engine area transfer.

Aus strömungstechnischen Gründen wird angestrebt, den Ausblaskanal und die Austrittsstelle im Bereich des Gehäuses des Staubsaugers möglichst groß zu gestalten, um hierdurch einen geringen Ausblaswiderstand hervorzurufen. Konträr zu diesen Anforderungen wird aber ebenfalls eine Verminderung von Schallemissionen gefordert, die durch einen relativ großen Strömungswiderstand erzielt werden könnte. Diese einander entgegenstehenden Forderungen konnten bislang nicht in zufriedenstellender Weise gelöst werden.For fluidic reasons, the aim is Blow-out duct and the exit point in the area of the To make the vacuum cleaner housing as large as possible, to have a low blowout resistance cause. Contrary to these requirements but also a reduction in noise emissions required by a relatively large Flow resistance could be achieved. This conflicting demands so far cannot be solved in a satisfactory manner.

Zur Verbesserung dieses Verhältnisses ist es nach der EP 0 706 774 B bekannt, den Austrittsquerschnitt über entsprechende abgedeckte Öffnungen in Form von Gehäuseschlitzen in den Seitenwandungen des Gehäuses als Schutzbandage zu erhöhen.To improve this ratio, it is after EP 0 706 774 B discloses the exit cross section corresponding covered openings in the form of Housing slots in the side walls of the housing to increase as a protective bandage.

Die Aufgabe der Erfindung ist es, auf einfach Weise die Ausströmfläche weiter zu vergrößern und geringe Strömungsgeschwindigkeiten zu ermöglichen und eine Schalldämmung zu gewährleisten.The object of the invention is to easily Outflow area further increase and small Allow flow velocities and a To ensure sound insulation.

Die Lösung dieser Aufgabe erfolgt erfindungsgemäß dadurch, daß mindestens ein großflächiger Gehäusebereich von einem Filtermaterial als Ausblasfilter abgedeckt bzw. ein Gehäuse schlauchartig von einem Filtermaterial als Ausblasfilter ganz oder teilweise umhüllt ist und die Ausblasluft in einen gebildeten Mantelraum zwischen Gehäuse und Filtermaterial zum Ausblasen zuführbar ist.This object is achieved according to the invention in that at least one large area Housing area from a filter material as Blow-out filter covered or a hose-like housing of a filter material as a blow-out filter entirely or is partially enveloped and the exhaust air into one formed jacket space between the housing and Filter material can be fed for blowing out.

Hierdurch wird auf mit einer einfachen technischen Maßnahme eine große Ausströmfläche gebildet, so daß lediglich geringe Strömungsgeschwindigkeiten im Ausströmbereich auftreten. Entsprechende Strömungsgeräusche sind somit sehr gering. Aufgrund der Ummantelung erfolgt darüber hinaus eine diffuse Abströmung der ausgeblasenen Luft, so daß in der Umgebung nahezu keine merkliche Strömungsintensität auftritt.This turns on with a simple technical Measure formed a large outflow area so that only low flow velocities in Outflow area occur. Appropriate Flow noise is therefore very low. Due to the Sheathing is also diffuse Outflow of the blown air, so that in the Nearly no noticeable flow intensity occurs.

Die geringe Strömungsgeschwindigkeit im Filterbereich hat darüber hinaus den Vorteil, daß ein hoher Abscheidegrad von Schwebstoffen erreicht wird. Durch das relativ große Filtervolumen wird dennoch eine sehr hohe Lebensdauer des Filters gewährleistet.The low flow rate in the filter area also has the advantage that a high The degree of separation of suspended matter is achieved. By the relatively large filter volume is still a very large one long filter life guaranteed.

Ferner wird durch das außenliegende Filtermaterial ein entsprechender vorteilhafter gestalterischer Effekt erzielt.Furthermore, due to the external filter material corresponding advantageous design effect achieved.

Eine einfache Ausbildung wird dadurch geschaffen, daß das schlauchartig ausgebildete Filtermaterial an beiden Stirnseiten über Befestigungselemente mit dem Gehäuse lösbar dichtend eingesetzt und in einem dem Motorraum zugewandten Bereich Durchtritte ausgebildet sind.A simple training is created in that the tubular filter material on both End faces with fasteners to the housing releasably used sealing and in the engine compartment facing area passages are formed.

Damit sind auch unterschiedliche ästhetische Gestaltungen, wie farbliche und mustermäßige Variationen mit einem identischen Grundgerät gewährleistet.So there are also different aesthetic Designs such as color and pattern Variations with an identical basic device guaranteed.

Eine vorteilhafte Ausgestaltung besteht darin, daß das Filtermaterial in Mikrofilterqualität ausgebildet ist.An advantageous embodiment is that Filter material is designed in microfilter quality.

Um einen Schutz zur Vermeidung von Beschädigungen am Gerät und ortsfesten Einrichtungsgegenständen bei Reinigungsarbeiten zu verbessern, ist vorgesehen, daß das außenliegende Filtermaterial durch einen elastischen Tragkörper gehalten ist. To provide protection to avoid damage to the Device and fixed furnishings To improve cleaning work, it is provided that the external filter material through a elastic support body is held.

Alternativ ist vorgesehen, daß das außenliegende Filtermaterial durch einen luftdurchlässigen elastischen Tragkörper gebildet ist.Alternatively, it is provided that the outside Filter material through an air permeable elastic support body is formed.

In der Zeichnung ist ein Ausführungsbeispiel eines Handstaubsaugers schematisch im Schnitt dargestellt.In the drawing is an embodiment of a Manual vacuum cleaner shown schematically in section.

Bei dem dargestellten Staubsauger ist ein Gehäuse 1 angeordnet, das mit einem Saugkanal 2 als Schlauch versehen ist und im Gehäuse 1 in eine zu ladende Filtertüte 3 mündet sowie einen unterhalb der Filtertüte 3 angeordneten Motor 4 in einem Motorraum 5 aufweist. In bekannter Weise ist dem Motor 4 ein Motorschutzfilter 6 vorgeschaltet.In the vacuum cleaner shown, there is a housing 1 arranged with a suction channel 2 as a hose is provided and in the housing 1 in a load Filter bag 3 opens and one below the Filter bag 3 arranged engine 4 in an engine compartment 5th having. The motor 4 is in a known manner Motor protection filter 6 upstream.

Das Gehäuse 1 ist in seinem zylindrischen Bereich schlauchartig von einem Filtermaterial 7 umhüllt. Das Filtermaterial 7 ist über Befestigungselemente 8, 9 am Gehäuse 1 lösbar verbunden und gegenüber dem Außenbereich abgedichtet. Hierdurch wird zwischen dem Gehäuse 1 und dem Filtermaterial 7 ein Mantelraum 11 gebildet, der über Durchtritte 10 mit dem Motorraum 5 verbunden ist und die Ausblasluft über das Filtermaterial 7 großflächig austritt.The housing 1 is in its cylindrical region wrapped like a hose by a filter material 7. The Filter material 7 is on fasteners 8, 9 on Housing 1 releasably connected and opposite Sealed outside. As a result, between the Housing 1 and the filter material 7 a jacket space 11 formed, the passage 10 with the engine compartment 5th is connected and the exhaust air via the Filter material 7 emerges over a large area.

Claims (5)

Ausblasfilter am Gehäuse von Bodenpflegegeräten, insbesondere Staubsauger, wobei über einen Saugkanal eine einem Motor vorgeschaltete Staubabscheideeinheit, wie eine Filtertüte und gegebenenfalls ein Motorschutzfilter angeordnet sind und die Aüsblasluft über Luftaustritte im Gehäuse nach außen geführt wird, dadurch gekennzeichnet, daß mindestens ein großflächiger Gehäusebereich von einem Filtermaterial als Ausblasfilter abgedeckt bzw. ein Gehäuse (1) schlauchartig von einem Filtermaterial (7) als Ausblasfilter ganz oder teilweise umhüllt ist und die Ausblasluft in einen gebildeten Mantelraum (11) zwischen Gehäuse (1) und Filtermaterial (7) zum Ausblasen zuführbar ist. Blow-out filter on the housing of floor care devices, in particular vacuum cleaners, whereby a dust separation unit upstream of a motor, such as a filter bag and possibly a motor protection filter, are arranged via a suction channel and the blow-out air is led outside via air outlets in the housing, characterized in that at least one large-area housing area is provided by one Filter material is covered as a blow-out filter or a housing (1) is completely or partially enveloped by a filter material (7) as a blow-out filter and the blow-out air can be fed into a jacket space (11) formed between the housing (1) and filter material (7) for blowing out. Ausblasfilter nach Anspruch 1, dadurch gekennzeichnet, daß das schlauchartig ausgebildete Filtermaterial (7) an beiden Stirnseiten über Befestigungselemente (8, 9) mit dem Gehäuse (1) lösbar dichtend eingesetzt und in einem dem Motorraum (5) zugewandten Bereich Durchtritte (10) ausgebildet sind.Blow-out filter according to claim 1, characterized in that the hose-like filter material (7) is detachably inserted on both end faces via fastening elements (8, 9) with the housing (1) and passages (10) are formed in an area facing the engine compartment (5) are. Ausblasfilter nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß das Filtermaterial (7) in Mikrofilterqualität ausgebildet ist.Blow-out filter according to one of claims 1 to 2, characterized in that the filter material (7) is of microfilter quality. Ausblasfilter nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das außenliegende Filtermaterial (7) durch einen elastischen Tragkörper gehalten ist.Blow-out filter according to one of claims 1 to 3, characterized in that the external filter material (7) is held by an elastic support body. Ausblasfilter nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das außenliegende Filtermaterial (7) durch einen luftdurchlässigen elastischen Tragkörper gebildet ist.Blow-out filter according to one of claims 1 to 3, characterized in that the external filter material (7) is formed by an air-permeable elastic support body.
EP03027981A 2003-02-07 2003-12-05 Exhaust filter for housings of floor care devices Expired - Fee Related EP1444944B9 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10305217A DE10305217A1 (en) 2003-02-07 2003-02-07 Blow-out filter for housings of floor care devices
DE10305217 2003-02-07

Publications (4)

Publication Number Publication Date
EP1444944A2 true EP1444944A2 (en) 2004-08-11
EP1444944A3 EP1444944A3 (en) 2005-06-29
EP1444944B1 EP1444944B1 (en) 2008-08-20
EP1444944B9 EP1444944B9 (en) 2008-12-03

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ID=32603209

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03027981A Expired - Fee Related EP1444944B9 (en) 2003-02-07 2003-12-05 Exhaust filter for housings of floor care devices

Country Status (4)

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US (1) US7284298B2 (en)
EP (1) EP1444944B9 (en)
CA (1) CA2457157C (en)
DE (2) DE10305217A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7293326B2 (en) * 2004-07-29 2007-11-13 Electrolux Home Care Products, Inc. Vacuum cleaner alignment bracket
US8287655B2 (en) * 2005-08-05 2012-10-16 Stein & Co. Gmbh Method for cleaning dirt and debris from surfaces
US20070028415A1 (en) * 2005-08-05 2007-02-08 Thomas Stein Vacuum cleaner and a method of operating a vacuum cleaner
US11166607B2 (en) 2016-03-31 2021-11-09 Lg Electronics Inc. Cleaner
AU2017240615B2 (en) 2016-03-31 2019-12-05 Lg Electronics Inc. Cleaning apparatus
GB2569569B (en) 2017-12-20 2021-04-21 Dyson Technology Ltd A filter assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028741A2 (en) * 1979-11-08 1981-05-20 Siemens Aktiengesellschaft Suction cleaner with dust-bag space and fan motor axially disposed at the rear thereof
DE8805982U1 (en) * 1988-05-05 1988-06-23 Maier, Lothar, 6000 Frankfurt, De
JPH10192196A (en) * 1996-12-29 1998-07-28 Sanyo Electric Co Ltd Vacuum cleaner
DE19858562A1 (en) * 1998-12-18 1999-06-02 Gerard Brozio Multilayer damp filter for vacuum cleaners
EP1086647A1 (en) * 1999-09-23 2001-03-28 Alfred Kärcher GmbH & Co. Vacuum cleaner with filter cassette

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE322321B (en) * 1965-11-18 1970-04-06 Electrolux Ab
US3883922A (en) * 1973-01-02 1975-05-20 Eugene T Fleischhauer Vacuum cleaners
DE3114752A1 (en) * 1981-04-11 1982-10-28 Vorwerk & Co Interholding Gmbh, 5600 Wuppertal VACUUM CLEANER HOUSING
US4831682A (en) * 1988-08-01 1989-05-23 White Charles R Protective cover for floor treating machine
DE4436935C1 (en) 1994-10-15 1996-01-25 Stein & Co Gmbh Electric vacuum cleaner with impact protection rail
US5687450A (en) * 1994-09-10 1997-11-18 Stein & Co. Gmbh Machine, such as a vacuum cleaner, which exhausts a clean gas, which machine has a protective bumper
US20040003480A1 (en) * 2002-06-03 2004-01-08 Virginia Kovacs Dust cover apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028741A2 (en) * 1979-11-08 1981-05-20 Siemens Aktiengesellschaft Suction cleaner with dust-bag space and fan motor axially disposed at the rear thereof
DE8805982U1 (en) * 1988-05-05 1988-06-23 Maier, Lothar, 6000 Frankfurt, De
JPH10192196A (en) * 1996-12-29 1998-07-28 Sanyo Electric Co Ltd Vacuum cleaner
DE19858562A1 (en) * 1998-12-18 1999-06-02 Gerard Brozio Multilayer damp filter for vacuum cleaners
EP1086647A1 (en) * 1999-09-23 2001-03-28 Alfred Kärcher GmbH & Co. Vacuum cleaner with filter cassette

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"CHORES WITH A BREATH OF FRESH AIR" DESIGN ENGINEERING, MORGAN-GRAMPIAN LTD. LONDON, GB, 1. Juni 1992 (1992-06-01), Seite 6, XP000305349 ISSN: 0308-8448 *
PATENT ABSTRACTS OF JAPAN Bd. 1998, Nr. 12, 31. Oktober 1998 (1998-10-31) -& JP 10 192196 A (SANYO ELECTRIC CO LTD), 28. Juli 1998 (1998-07-28) *

Also Published As

Publication number Publication date
DE10305217A1 (en) 2004-08-19
EP1444944B1 (en) 2008-08-20
EP1444944B9 (en) 2008-12-03
DE50310352D1 (en) 2008-10-02
US20040158952A1 (en) 2004-08-19
EP1444944A3 (en) 2005-06-29
CA2457157A1 (en) 2004-08-07
US7284298B2 (en) 2007-10-23
CA2457157C (en) 2012-01-03

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