EP0134395A1 - Filter receptacle for a hand suction cleaner - Google Patents

Filter receptacle for a hand suction cleaner Download PDF

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Publication number
EP0134395A1
EP0134395A1 EP84104032A EP84104032A EP0134395A1 EP 0134395 A1 EP0134395 A1 EP 0134395A1 EP 84104032 A EP84104032 A EP 84104032A EP 84104032 A EP84104032 A EP 84104032A EP 0134395 A1 EP0134395 A1 EP 0134395A1
Authority
EP
European Patent Office
Prior art keywords
housing
filter cassette
filter
air
suction cleaner
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
EP84104032A
Other languages
German (de)
French (fr)
Other versions
EP0134395B1 (en
Inventor
Horst Neugart
Miroslav Dr.-Ing. Beranek
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding 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 Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Priority to AT84104032T priority Critical patent/ATE23941T1/en
Publication of EP0134395A1 publication Critical patent/EP0134395A1/en
Application granted granted Critical
Publication of EP0134395B1 publication Critical patent/EP0134395B1/en
Expired 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
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
    • 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
    • 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
    • A47L9/12—Dry filters
    • A47L9/125—Dry filters funnel-shaped

Definitions

  • the invention relates to a filter cassette for hand vacuum cleaners, which receives a paper filter bag.
  • Filter cartridges are either known in the form of stable, air-impermeable housings or as mesh baskets covered with fabric.
  • the fixed housings are made of plastic and are therefore impermeable to air. However, since the air flowing into the paper filter bag arranged in the housing must also be removed again, the fixed housing must be provided with openings. These are then additionally covered with a filtering medium in order to stop the so-called fine dust, which may not be captured by the paper filter bag.
  • the air When the air is blown into the paper filter bag, it inflates and presses the mesh basket against the fabric. Since movements occur when working with the vacuum cleaner, the bars of the mesh basket can wear through the fabric over time. In addition, the bridges paint over time, among other things. also through dust accumulation on the fabric, which leads to unsightly appearance.
  • the object of the invention is now to create a filter cassette which does not require additional support elements and yet, like a fabric-related filter cassette, has the entire surface available as an exhaust air filter surface.
  • the object is achieved by the features of claim 1, the thickness of the individual sides of the filter cassettes additionally being able to be varied depending on the area of use and application.
  • FIG. 1 shows a handheld vacuum cleaner 1 which consists of a motor head 2, an external filter cassette 3 and a guide handle 4.
  • the filter cassette 3 according to FIG. 2 essentially consists of an outer housing 5 and a frame 6 on which the filter cassette 3 is connected to the motor head 2 of the vacuum cleaner 1 according to FIG. 1.
  • the exact structure can be seen in FIG. 3.
  • the frame 6 has two functions. It carries the housing 5 and a removable cover 7.
  • the housing 5 is made of air-permeable needle-punched nonwoven, which can be deep-drawn, for example. Such substances are known on the market, for example, under the brand name "Paradur". Since these needle-punched nonwovens are rigid and self-supporting, there is no need for a support housing or support elements. Nevertheless, the housing is air-permeable, filtering on the entire surface.
  • the frame 6 carries a lid 7 which is arranged detachably from the frame 6.
  • This lid 7 has an opening 8, which establishes the connection with the dust blower in the vacuum cleaner (neither of which is shown) and is connected to a nozzle 9 which carries the exchangeable paper filter bag 10.
  • Such a filter cassette 3 can be produced simply and cheaply by using needle-punched nonwoven. It is even washable without a lid 7 and paper filter bag 10.
  • the use of needle-punched nonwoven fabric as a housing without additional support elements is of course not limited to the shape shown.

Abstract

1. External filter cassette, which accommodates a paper filter bag, for hand suction cleaners, characterized in that the filter cassette (3) consists of a housing (5) made of tufted material which is permeable to air without additional support elements.

Description

Die Erfindung betrifft eine Filterkassette für Handstaubsauger, welche einen Papierfilterbeutel aufnimmt.The invention relates to a filter cassette for hand vacuum cleaners, which receives a paper filter bag.

Filterkassetten sind entweder in Form von stabilen luftundurchlässigen Gehäusen auf den Markt bekannt oder als mit Stoff bespannte Gitterkörbe.Filter cartridges are either known in the form of stable, air-impermeable housings or as mesh baskets covered with fabric.

Beiden haften von ihrem Aufbau abhängig unterschiedliche Nachteile an.Depending on their structure, both have different disadvantages.

Die festen Gehäuse bestehen aus Kunststoff und sind somit luftundurchlässig. Da jedoch die in den, im Gehäuse angeordneten Papierfilterbeutel einströmende Luft auch wieder abgeführt werden muß, muß das feste Gehäuse mit Öffnungen versehen sein. Diese werden dann zusätzlich mit einem filternden Medium abgedeckt, um den sogenannten Feinstaub aufzuhalten, der vom Papierfilterbeutel evtl. nicht erfaßt wird.The fixed housings are made of plastic and are therefore impermeable to air. However, since the air flowing into the paper filter bag arranged in the housing must also be removed again, the fixed housing must be provided with openings. These are then additionally covered with a filtering medium in order to stop the so-called fine dust, which may not be captured by the paper filter bag.

Dies verteuert u.a. die Herstellung solcher Filterkassetten und man kann nur einen geringen Teil des festen Gehäuses als Abluftfläche ausnutzen, da das Gehäuse sonst instabil wird.This increases the price the production of such filter cartridges and you can only use a small part of the fixed housing as an exhaust air surface, otherwise the housing will become unstable.

Bei den mit Stoff bespannten Gitterkörben ist zwar nahezu die gesamte Fläche als Abluftöffnung zu benutzen, jedoch entstehen hier andere Nachteile.With the mesh baskets covered with fabric, almost the entire surface can be used as an exhaust air opening, but there are other disadvantages here.

Beim Einblasen der Luft in den Papierfilterbeutel bläht sich dieser auf und drückt den Gitterkorb gegen den Stoff. Da beim Arbeiten mit dem Staubsauger Bewegungen entstehen, können die Stege des Gitterkorbes mit der Zeit den Stoff durchscheuern. Außerdem malen sich die Stege mit der Zeit u.a. auch durch Staubansammlungen am Stoff ab, was zu unschönem Aussehen führt.When the air is blown into the paper filter bag, it inflates and presses the mesh basket against the fabric. Since movements occur when working with the vacuum cleaner, the bars of the mesh basket can wear through the fabric over time. In addition, the bridges paint over time, among other things. also through dust accumulation on the fabric, which leads to unsightly appearance.

Aufgabe der Erfindung ist es nun, eine Filterkassette zu erstellen, welche ohne zusätzliche Stützelemente auskommt und trotzdem wie eine stoffbezogene Filterkassette die gesamte Oberfläche als Abluftfilterfläche zu Verfügung hat.The object of the invention is now to create a filter cassette which does not require additional support elements and yet, like a fabric-related filter cassette, has the entire surface available as an exhaust air filter surface.

Erfindungsgemäß wird die Aufgabe durch die Merkmale des Anspruchs 1 gelöst, wobei zusätzlich je nach Einsatzbereich und Anwendungsfall die Dicke der einzelnen Seiten der Filterkassetten variiert werden kann.According to the invention, the object is achieved by the features of claim 1, the thickness of the individual sides of the filter cassettes additionally being able to be varied depending on the area of use and application.

Nachstehend ist ein Ausführungsbeispiel der Erfindung gezeichnet und beschrieben.An exemplary embodiment of the invention is drawn and described below.

Es zeigt:

  • Fig . 1: Die Prinzipskizze eines Handstaubsaugers mit außenliegender Filterkassette,
  • Fig. 2 die Prinzipskizze einer Filterkassette,
  • Fig. 3 eine Filterkassette im Teilabschnitt.
It shows:
  • Fig . 1: The schematic diagram of a handheld vacuum cleaner with an external filter cassette,
  • Fi g. 2 the basic sketch of a filter cassette,
  • Fig. 3 shows a filter cartridge in the section.

Die Figur 1 zeigt einen Handstaubsauger 1, welcher aus einem Motorkopf 2, einer außenliegenden Filterkassette 3 und einem Führungsstiel 4 besteht.FIG. 1 shows a handheld vacuum cleaner 1 which consists of a motor head 2, an external filter cassette 3 and a guide handle 4.

Die Filterkassette 3 nach Figur 2 besteht dabei im Wesentlichen aus einem äußeren Gehäuse 5 und einen Rahmen 6 an dem die Filterkassette 3 mit dem Motorkopf 2 des Staubsaugers 1 nach Figur 1 verbunden wird. Der genaue Aufbau ist der Figur 3 zu entnehmen.The filter cassette 3 according to FIG. 2 essentially consists of an outer housing 5 and a frame 6 on which the filter cassette 3 is connected to the motor head 2 of the vacuum cleaner 1 according to FIG. 1. The exact structure can be seen in FIG. 3.

Der Rahmen 6 hat zwei Funktionen. Er trägt das Gehäuse 5 und einen abnehmbaren Deckel 7. Das Gehäuse 5 ist aus luftdurchlässigem Nadelvliesstoff, der z.B. tiefziehfähig sein kann hergestellt. Derartige Stoffe sind z.B. unter dem Markennamen "Paradur" auf dem Markt bekannt. Da diese Nadelvliesstoffe steif und selbsttragend sind, erübrigt sich ein Stützgehäuse bzw. Stützelemente. Trotzdem ist das Gehäuse auf der gesamten Oberfläche filternd luftdurchlässig. Desweiteren trägt der Rahmen 6 ein Deckel 7, der abnehmbar vom Rahmen 6 angeordnet ist.The frame 6 has two functions. It carries the housing 5 and a removable cover 7. The housing 5 is made of air-permeable needle-punched nonwoven, which can be deep-drawn, for example. Such substances are known on the market, for example, under the brand name "Paradur". Since these needle-punched nonwovens are rigid and self-supporting, there is no need for a support housing or support elements. Nevertheless, the housing is air-permeable, filtering on the entire surface. Furthermore, the frame 6 carries a lid 7 which is arranged detachably from the frame 6.

Dieser Deckel 7 hat eine Öffnung 8, welche die Verbindung mit dem Staubgebläse im Staubsauger (beides nicht dargestellt) herstellt und damit verbunden einen Stutzen 9, der die auswechselbare Papierfiltertüte 10 trägt.This lid 7 has an opening 8, which establishes the connection with the dust blower in the vacuum cleaner (neither of which is shown) and is connected to a nozzle 9 which carries the exchangeable paper filter bag 10.

Eine derartige Filterkassette 3 kann durch den Einsatz von Nadelvliesstoff einfach und billig hergestellt werden. Sie ist sogar ohne Deckel 7 und Papierfiltertüte 10 waschbar. Der Einsatz von Nadelvliesstoff als Gehäuse ohne zusätzliche Stützelemente ist dabei selbstverständlich nicht nur auf die dargestellte Form beschränkt.Such a filter cassette 3 can be produced simply and cheaply by using needle-punched nonwoven. It is even washable without a lid 7 and paper filter bag 10. The use of needle-punched nonwoven fabric as a housing without additional support elements is of course not limited to the shape shown.

Claims (2)

1. Außenliegende Filterkassette für Handstaubsauger, welche einen Papierfilterbeutel aufnimmt, dadurch gekennzeichnet, daß die Filterkassette (3) aus einem Gehäuse (5) aus luftdurchlässigen Nadelvliesstoff ohne zusätzliche Stützelemente besteht.1. External filter cassette for hand-held vacuum cleaners, which receives a paper filter bag, characterized in that the filter cassette (3) consists of a housing (5) made of air-permeable needle-punched non-woven fabric without additional support elements. 2. Außenliegende Filterkassette nach Anspruch 1, dadurch gekennzeichnet, daß die Seitenteile des Gehäuses (5) in ihrer Dicke unterschiedlich zum Restgehäuse ausgebildet sind.2. External filter cassette according to claim 1, characterized in that the side parts of the housing (5) are formed differently in thickness from the rest of the housing.
EP84104032A 1983-07-19 1984-04-11 Filter receptacle for a hand suction cleaner Expired EP0134395B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84104032T ATE23941T1 (en) 1983-07-19 1984-04-11 FILTER CASSETTE FOR HAND VACUUM CLEANER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19838320697U DE8320697U1 (en) 1983-07-19 1983-07-19 FILTER CARTRIDGE FOR HAND VACUUM CLEANERS
DE8320697U 1983-07-19

Publications (2)

Publication Number Publication Date
EP0134395A1 true EP0134395A1 (en) 1985-03-20
EP0134395B1 EP0134395B1 (en) 1986-12-03

Family

ID=6755296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84104032A Expired EP0134395B1 (en) 1983-07-19 1984-04-11 Filter receptacle for a hand suction cleaner

Country Status (5)

Country Link
EP (1) EP0134395B1 (en)
JP (1) JPS6024813A (en)
AT (1) ATE23941T1 (en)
DE (2) DE8320697U1 (en)
ES (1) ES280589Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0244589A1 (en) * 1986-05-07 1987-11-11 Vorwerk & Co. Interholding GmbH Security filter for filter cassettes of suction cleaners
EP0339323A2 (en) * 1988-04-29 1989-11-02 Vorwerk & Co. Interholding GmbH Electric suction cleaner
EP0532057A2 (en) * 1988-04-29 1993-03-17 Vorwerk & Co. Interholding GmbH Dust bag
WO2000059361A1 (en) * 1999-04-06 2000-10-12 Oreck Holdings, Llc Vacuum cleaner outer bag
EP1350457A2 (en) * 2002-03-25 2003-10-08 Vorwerk & Co. Interholding GmbH Domestic vacuum cleaner comprising a dust bag, and set of dust bags
WO2008146070A1 (en) * 2007-05-29 2008-12-04 Soteco Spa Casing means of recyclable material for a cleaning machine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3403105A1 (en) * 1984-01-30 1985-08-01 Siemens Ag Filter arrangement in a vacuum cleaner
DE3613945A1 (en) * 1985-04-26 1986-10-30 Mazda Motor Corp., Hiroshima VARIABLE VALVE MECHANISM FOR COMBUSTION ENGINES
DE102004013263A1 (en) * 2004-03-18 2005-09-29 Vorwerk & Co. Interholding Gmbh Electric vacuum cleaner

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1049292A (en) * 1963-02-23 1966-11-23 Tokyo Electric Co Ltd Improvements relating to vacuum cleaners
DE1428431A1 (en) * 1962-02-05 1969-01-23 Licentia Gmbh Vacuum cleaner outer bag
US3498031A (en) * 1966-09-27 1970-03-03 Studley Paper Co Filter bag having a felt-like insert
FR2362611A1 (en) * 1976-08-27 1978-03-24 Vorwerk Co Interholding FILTER CARTRIDGE FOR DUST VACUUM CLEANERS
US4116648A (en) * 1976-10-27 1978-09-26 Aktiebolaget Electrolux Multi-layer filter dust bag for a vacuum cleaner
US4270935A (en) * 1977-06-27 1981-06-02 United States Filter Corporation Filter assembly for high temperature glass fiber filter media
DE3216116A1 (en) * 1982-04-30 1983-11-03 Henschel Gerätebau GmbH, 3035 Hodenhagen Exchangeable dust collection container for vacuum cleaners

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6907559U (en) * 1969-02-26 1972-06-22 Licentia Gmbh DUST COLLECTORS FOR HAND or HAND VACUUM CLEANERS.
JPS5616160U (en) * 1979-07-13 1981-02-12
JPS58185865U (en) * 1982-06-02 1983-12-10 オリンパス光学工業株式会社 Light leakage prevention device in thermal roll fuser

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1428431A1 (en) * 1962-02-05 1969-01-23 Licentia Gmbh Vacuum cleaner outer bag
GB1049292A (en) * 1963-02-23 1966-11-23 Tokyo Electric Co Ltd Improvements relating to vacuum cleaners
US3498031A (en) * 1966-09-27 1970-03-03 Studley Paper Co Filter bag having a felt-like insert
FR2362611A1 (en) * 1976-08-27 1978-03-24 Vorwerk Co Interholding FILTER CARTRIDGE FOR DUST VACUUM CLEANERS
US4116648A (en) * 1976-10-27 1978-09-26 Aktiebolaget Electrolux Multi-layer filter dust bag for a vacuum cleaner
US4270935A (en) * 1977-06-27 1981-06-02 United States Filter Corporation Filter assembly for high temperature glass fiber filter media
DE3216116A1 (en) * 1982-04-30 1983-11-03 Henschel Gerätebau GmbH, 3035 Hodenhagen Exchangeable dust collection container for vacuum cleaners

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0244589A1 (en) * 1986-05-07 1987-11-11 Vorwerk & Co. Interholding GmbH Security filter for filter cassettes of suction cleaners
EP0339323A2 (en) * 1988-04-29 1989-11-02 Vorwerk & Co. Interholding GmbH Electric suction cleaner
EP0339323A3 (en) * 1988-04-29 1990-12-12 Vorwerk & Co. Interholding Gmbh Electric suction cleaner and filter bag therefor
EP0532057A2 (en) * 1988-04-29 1993-03-17 Vorwerk & Co. Interholding GmbH Dust bag
EP0532057A3 (en) * 1988-04-29 1993-06-02 Vorwerk & Co. Interholding Gmbh Dust bag
WO2000059361A1 (en) * 1999-04-06 2000-10-12 Oreck Holdings, Llc Vacuum cleaner outer bag
US6277163B1 (en) 1999-04-06 2001-08-21 Oreck Holdings Llc Vacuum cleaner outer bag
EP1350457A2 (en) * 2002-03-25 2003-10-08 Vorwerk & Co. Interholding GmbH Domestic vacuum cleaner comprising a dust bag, and set of dust bags
EP1350457A3 (en) * 2002-03-25 2004-01-02 Vorwerk & Co. Interholding GmbH Domestic vacuum cleaner comprising a dust bag, and set of dust bags
WO2008146070A1 (en) * 2007-05-29 2008-12-04 Soteco Spa Casing means of recyclable material for a cleaning machine

Also Published As

Publication number Publication date
ATE23941T1 (en) 1986-12-15
ES280589U (en) 1985-02-16
DE3461507D1 (en) 1987-01-15
EP0134395B1 (en) 1986-12-03
ES280589Y (en) 1985-09-01
JPS6024813A (en) 1985-02-07
DE8320697U1 (en) 1983-11-03

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