EP0880932A1 - Allzwecksauger - Google Patents

Allzwecksauger Download PDF

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Publication number
EP0880932A1
EP0880932A1 EP98420081A EP98420081A EP0880932A1 EP 0880932 A1 EP0880932 A1 EP 0880932A1 EP 98420081 A EP98420081 A EP 98420081A EP 98420081 A EP98420081 A EP 98420081A EP 0880932 A1 EP0880932 A1 EP 0880932A1
Authority
EP
European Patent Office
Prior art keywords
waste
vacuum cleaner
tank
housing
bag
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.)
Withdrawn
Application number
EP98420081A
Other languages
English (en)
French (fr)
Inventor
Jacques Bonnet
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.)
SEB SA
Original Assignee
SEB SA
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 SEB SA filed Critical SEB SA
Publication of EP0880932A1 publication Critical patent/EP0880932A1/de
Withdrawn legal-status Critical Current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
    • 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
    • A47L9/1418—Impermeable dust collecting bags
    • 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

Definitions

  • the present invention relates to the field of suction systems and more particularly to vacuum cleaners used for cleaning purposes.
  • the present invention relates more particularly to vacuum cleaners intended for collect waste of all types and, where appropriate, waste in the form liquid.
  • GB-A-2 141 635 describes a vacuum cleaner of the type tank in which a waterproof bag is used positioned on a specific support resting on the bottom of the tank.
  • the vacuum produced in the vacuum cleaner allows to suck the waste inside said waterproof bag and expel the filtered air at by means of a motor, a fan and a filter.
  • the structure of the vacuum cleaner is designed to provide free space around the waterproof bag disposed in the tank and produce air circulation around this bag waterproof. This air circulation inside the tank makes it possible to balance the pressures prevailing inside and outside the waterproof bag.
  • the document FR-1 554 118 describes a vacuum cleaner comprising a first dust bag, made of textile material, itself containing a auxiliary dust, at least partially of porous material.
  • a vacuum cleaner of this type does not in any way suck up liquid, even in minute quantity.
  • the vacuum cleaner is normally used without dust bag, as the latter would be badly damaged or damaged by the passage of the liquid.
  • traditional dust bags, of the type paper do not withstand a liquid or highly humid environment.
  • the user can therefore use his vacuum cleaner according to whether he wishes to vacuum solid or liquid substances; in the first case, he places a paper bag in the tank, in the second, he removes the bag.
  • a filter bag when vacuuming solid substances, especially fine dust.
  • the role of the filter bag is to retain this fine dust in the vacuum cleaner and avoid either the rapid clogging of a possible filter placed downstream, or the rejection into the atmosphere of a large part of this fine dust.
  • wet or liquid substances are sucked in, their weight is generally sufficient for them to fall by themselves to the bottom of the the vacuum cleaner.
  • the air flows are organized in such a way as to encourage the fall of the waste at the bottom of the tank.
  • This type of vacuum cleaner therefore has the disadvantage of having to be reconfigured for each type of use. If you forget to remove the paper bag and you sucks a liquid, the latter deteriorates and pierces or tears and we finds at the bottom of the tank an unpleasant mixture of liquid substances and solid.
  • a vacuum cleaner having two separate internal tanks.
  • a first tank is used to collect the liquid substances and a second tank is used to collect the substances solid or dry.
  • These tanks are completely independent and separate.
  • a first guide means or inlet orifice makes it possible to convey the liquid substances to the first reservoir, while a second means of guidance allows the solid substances to be conveyed to the second tank.
  • the user must select, before switching on the device, which orifice input he wants to use, depending on the substances to be aspirated. These tanks are therefore used successively.
  • the presence of two tanks requires more space for the device.
  • this type of vacuum cleaner implies the presence of two inlet ports (one for each of the tanks), or, at least, a single entry, but provided with a diversion means enabling the substances to be conveyed sucked to either tank.
  • a vacuum cleaner comprising a tank intended to contain a first means of waste receptacle, type impermeable to liquids, at least one means guide in fluid communication with the first housing means waste, a suction system to circulate an air flow from the guide means to an internal volume of the first means of housing the waste and then towards the outside of said volume, a second means waste accommodation, also in communication with the means of guide and disposed inside said tank, this second housing means waste being of the type permeable to air, but appreciably impermeable solid waste or particles of material to be vacuumed, characterized in that the second means of housing the waste is of the type resistant to humidity.
  • FIG. 1 shows a block diagram of a vacuum cleaner according to this invention.
  • the vacuum cleaner shown consists of a tank 3, arranged advantageously below a compartment 1 containing a system suction 2.
  • the tank 3 is intended to receive a first means of housing the waste 20, of the plastic bag or trash bag type, intended for recovering waste.
  • a guide means 4 opens into the first means of waste housing 20 so as to circulate a flow of aspirated air 12 to through the guide means 4, in an internal volume 21 of the first means waste housing 20 and through the suction system 2.
  • the latter is composed of an electric motor 2c associated with a centrifugal wheel 2b, generating a vacuum inside the tank 3.
  • a filter 2a can be provided at the inlet of suction system 2, in order to protect this suction system 2 and in particular the centrifugal wheel 2b, in case, as a result of a bad operation, solid waste would be inadvertently entrained by the air flow 12 to this inlet of the suction system and in particular likely to enter the centrifugal wheel 2b with the risk of deteriorate .
  • Figure 1 shows schematically the flows of the different flows of air.
  • a flow of aspirated air 12 passes through the guide means 4 to penetrate in the vacuum cleaner and is expelled from it via the wheel centrifugal 2b in the form of a filtered air flow 13.
  • a cooling air flow 10, 11 is also used to cool the engine 2c during its operation.
  • the end of the guide means 4, located out of the vacuum cleaner advantageously ends with a flexible type hose, a handle or stick, a rigid pipe, and by a device for cleaning the nozzle or brush type or by other known cleaning means.
  • the end 4a of the guide means 4 also has dimensions adapted to its passage through the opening 29 ( Figure 2).
  • the vacuum cleaner therefore comprises, on the way to the flow of aspirated air 12, respectively the guide means 4, the internal volume 21 of the first means waste housing 20 and the filter 2a associated with the suction system 2, the centrifugal wheel 2b, then the air ejection circuit.
  • the tank 3 advantageously has in its upper part an edge peripheral 3b, extending for example towards the interior of said tank 3, so as to provide support for compartment 1, when the latter is assembled with the tank 3.
  • the first waste accommodation means 20 has for example a configuration similar to a trash bag, preferably with dimensions adapted to the size of the vacuum cleaner. Once placed in the tank 3, the first waste accommodation means 20 rests with its end upper 22 on the peripheral edge 3b, substantially sealed.
  • the first waste accommodation means 20 is advantageously of the type waterproof. It is thus possible to use the vacuum cleaner to aspirate substances liquid or wet, which would damage the paper bag of a vacuum cleaner traditional type, intended to suck solid and not wet substances.
  • a second waste accommodation means 20 ′ is planned.
  • This second waste accommodation means 20 ′ is of the non-waterproof type to air, that is to say it allows the passage of air while retaining the particles solid or dry and that it lets pass the liquids which could have been sucked up. Of preferably it is a moisture resistant type of medium.
  • a means comprising walls, made of a material or a combination of materials which, when in contact with a liquid, a wet substance, or crossed by a liquid, show little or no degradation of their mechanical properties likely to lead to blockage or strong restriction in the passage of air due, for example, to swelling of the fibers by absorbing moisture, breaking, tearing or cracking these walls. Such damage could result in releasing the content hitherto present in said means.
  • the walls of the second waste accommodation means 20 ′ are for example made of material non-woven synthetic, such as polypropylene, or fabric.
  • the walls of this means liquid resistant type are advantageously permeable to liquids.
  • this second means waste housing 20 ' is arranged inside the first means waste housing 20. So when solid substances are vacuumed, the second waste housing means 20 'retains the particles.
  • Any absorbed liquid will pass from the second means of housing the waste 20 'to the first waste accommodation means 20.
  • the waste 20 When used to absorb only liquid, all the contents will be discharged into the first means of housing the waste 20.
  • the content of the latter can be recovered, transferred or discarded, for example by removing all first the second waste accommodation means 20 ′, then the first or simply by tilting the tank 3 to empty it.
  • the second means of accommodation 20 'of waste (little or not filled) can possibly be reinstalled. Being of liquid-resistant type, this second means of housing waste 20 ′ has not been damaged or deteriorated by the liquid.
  • the two waste accommodation means 20, 20 ′ are at less partially filled, it is possible to remove them simultaneously, as as illustrated in figure 4, for example, by revealing the second means of waste housing 20 'of the support 28 and letting the latter fall to the bottom, inside the first waste accommodation means 20.
  • the first means of housing the waste 20 for example with a well-known link, like for a trash bag for example, so that enclose or imprison the second waste accommodation means 20 ′.
  • FIG. 2 shows a perspective view of a vacuum cleaner tank according to the invention.
  • the first waste accommodation means 20 is installed in the tank 3 and held in place against the periphery of the tank with a simple folding over the edge of the tank or by another fixing means 30 of the type known, for example an annular ring.
  • the second means of accommodation for waste 20 ' is disposed in the internal volume 21, defined by the first means waste housing 20.
  • this means 20 ′ can be connected to a support 28, called a bag support, which can be placed by example against the fixing means 30 or against the rim of the tank 3. It can also be an integral part of the fixing means 30.
  • This support 28 has a waste inlet orifice 29 which coincides with the inlet 29 'of the second waste accommodation means 20 '.
  • Figure 3 shows the same set, but when the second means of waste housing 20 'is in the extracted position, relative to the tank 3 or to the internal volume 21 of the first waste accommodation means 20.
  • Figure 4 shows the same set again, in a configuration where the user wishes to simultaneously remove the two means of waste housing 20, 20 '. Support 28 has been removed and is not shown in this figure.
  • each waste accommodation means 20, 20 ' is at least partially filled with waste, respectively liquid and solid.
  • the second waste accommodation 20 'dirty the immediate environment during its removal since it may have been wet and or soiled by the contents of the first waste accommodation means 20, it is preferable to remove the two means simultaneously, to dispose of it later, according to the wish to the user.
  • means for deployment and inflation automatic first waste housing means 20, inside the tank 3, after its installation by the user are provided.
  • Swelling automatic waste first means 20 prevents that as a result poor positioning of this first means of housing waste 20, it is not sucked and pressed at least partially against the entry of the suction system 2, for example against the filter 2a.
  • means are used to create a pressure difference between the internal volume 21 and the space 3a located around the first means of housing the waste 20.
  • These means can for example, as shown in FIG. 5, a means of filtration 25 and a pressure tap channel 5.
  • a means of filtration 25 and a pressure tap channel 5 When an air flow sucked 12 passes through the complementary filtration means 25, the pressure downstream of this additional filtration means 25 is lower than the pressure upstream of this same additional filtration means 25.
  • the pressure in the internal volume 21 of the first means of housing the waste 20 is greater than the pressure of the volume located downstream of the means of additional filtration 25.
  • the channel pressure tap 5 allows this lower pressure to be transferred to the space 3a located outside the first means of housing the waste 20. It ensues swelling of the first waste accommodation means 20, towards the tank walls 3.
  • the complementary filtration means 25 and the filter 2a are one and the same room.
  • the pressure difference can be created by a restriction of the intake air passage section 12.
  • a difference in pressure of the order of at least a few millibars, preferably of the order of 5 millibars is necessary for the swelling of the first means of accommodation for waste 20.
  • This pressure difference can be obtained during the passage with a flow rate of the order of 30 I / s of the air sucked in 12 through a filtration means 2a or 25 of adapted permeability.
  • the assembly or assembly of the compartment 1 on the tank 3 is carried out known manner with known fixing means in order to obtain a sealing and consequently a partitioning of the free volume 3a.
  • Such a design avoids random or accidental air intake not compensated by the pressure tap 5.
  • Such accidental operation could result in vacuuming the first means of accommodation for waste 20 to the additional filtration means 25 and to clog the path of the aspirated air flow 12.
  • the complementary filtration means 25 allows therefore in accordance with the invention to obtain a pressure differential between the internal volume 21 and space 3a.
  • a pressure differential of the order of a few millibars and preferably around 5 millibars, upstream and downstream additional filtration means 25 thus makes it possible to obtain inflation and / or an unfolding of the first waste accommodation means 20.
  • the compartment 1 is preferably removably and waterproof mounted on the tank 3.
  • the complementary filtration means 25 is advantageously made with one or more material (s) permeable to the suction air flow 12.
  • the constituent materials of the complementary filtration means are by example paper or cardboard sheets or any other material synthesis presenting filtration properties adapted on the one hand to the quality of the desired filtration with this complementary filtration means and other share in the desired pressure differential upstream and downstream of the means of additional filtration.
  • Another advantage in the use of the first means of accommodation for waste 20 according to the invention resides in the containment of waste aspirated, which it provides to the user.
  • the first means of accommodation for waste 20 can be easily removed from the tank 3 without the risk of spreading to outside a more or less significant amount of dust sucked.
  • the first waste accommodation means 20 can thus for example be consisting of a plastic bag of the trash bag type.
  • the first means of accommodation for waste 20 can, for example, be closed by means of a link as it is well known for trash bags.
  • the second means of accommodation for 20 'waste can be enclosed in the first waste accommodation means 20.
  • An additional advantage of the present invention lies in obtaining of a clean tank 3 despite the aspiration of waste such as water or oil or any other liquid spilled on a surface to be cleaned or any other wet substance. All this waste remains confined in the first way waste accommodation 20.
  • the vacuum cleaner according to the invention allows the use of a simple tank, with a single tank, rather than two.
  • the means of housing the waste can be housed one inside the other, allowing efficient use of all space available, anytime. We can therefore optimize the size of the tank.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
EP98420081A 1997-05-26 1998-05-15 Allzwecksauger Withdrawn EP0880932A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9706636A FR2763497B1 (fr) 1997-05-26 1997-05-26 Aspirateur tous usages
FR9706636 1997-05-26

Publications (1)

Publication Number Publication Date
EP0880932A1 true EP0880932A1 (de) 1998-12-02

Family

ID=9507397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98420081A Withdrawn EP0880932A1 (de) 1997-05-26 1998-05-15 Allzwecksauger

Country Status (5)

Country Link
EP (1) EP0880932A1 (de)
CZ (1) CZ160298A3 (de)
FR (1) FR2763497B1 (de)
PL (1) PL326379A1 (de)
SK (1) SK68098A3 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2468880A (en) * 2009-03-24 2010-09-29 Numatic Int Ltd Filter bag mounting arrangement
WO2016182447A1 (en) 2015-05-08 2016-11-17 Norpaz As Device and method for collecting slugs
CN110524303A (zh) * 2019-09-19 2019-12-03 中山市鹏美五金制品有限公司 一种基于桶体的吸污盖
CN114502050A (zh) * 2019-11-21 2022-05-13 喜利得股份公司 用于将开口引入真空吸尘设备的处置袋的设备和方法以及真空吸尘设备
EP4164462A4 (de) * 2020-06-11 2025-01-01 Husqvarna AB Lukenmechanismus für einen vorabscheider- oder staubentfernerfiltertank und staubbehälterhalter zur verbindung mit solch einer luke

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034273A (en) * 1959-04-06 1962-05-15 James R Wallace Liquid collecting vacuum cleaner
GB2033779A (en) * 1978-10-19 1980-05-29 Electrolux Ltd Dustseparating device
GB2141635A (en) * 1983-06-18 1985-01-03 Lamson D D Plc Disposable bag holder for a vacuum cleaner
DE8703012U1 (de) * 1987-02-27 1987-04-09 Branofilter Gmbh, 8501 Dietenhofen In ein staubabsaugendes Gerät einzusetzende Vorrichtung zur Aufnahme des abgesaugten Staubes
DE9017798U1 (de) * 1990-11-30 1992-02-06 Siemens AG, 8000 München Schmutzsauger mit einem einen austauschbaren Filterbeutel aufnehmenden Schmutzsammelraum
JPH0630868A (ja) * 1992-07-16 1994-02-08 Nippon Shigyo Kk 電気掃除機用の使い捨て紙袋フィルター
GB2287418A (en) * 1994-03-08 1995-09-20 Applied Sweepers Ltd Filter arrangement
WO1997012537A1 (fr) * 1995-10-03 1997-04-10 Seb S.A. Aspirateur et sac etanche recuperateur de dechets

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034273A (en) * 1959-04-06 1962-05-15 James R Wallace Liquid collecting vacuum cleaner
GB2033779A (en) * 1978-10-19 1980-05-29 Electrolux Ltd Dustseparating device
GB2141635A (en) * 1983-06-18 1985-01-03 Lamson D D Plc Disposable bag holder for a vacuum cleaner
DE8703012U1 (de) * 1987-02-27 1987-04-09 Branofilter Gmbh, 8501 Dietenhofen In ein staubabsaugendes Gerät einzusetzende Vorrichtung zur Aufnahme des abgesaugten Staubes
DE9017798U1 (de) * 1990-11-30 1992-02-06 Siemens AG, 8000 München Schmutzsauger mit einem einen austauschbaren Filterbeutel aufnehmenden Schmutzsammelraum
JPH0630868A (ja) * 1992-07-16 1994-02-08 Nippon Shigyo Kk 電気掃除機用の使い捨て紙袋フィルター
GB2287418A (en) * 1994-03-08 1995-09-20 Applied Sweepers Ltd Filter arrangement
WO1997012537A1 (fr) * 1995-10-03 1997-04-10 Seb S.A. Aspirateur et sac etanche recuperateur de dechets

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 18, no. 248 (C - 1198) 12 May 1994 (1994-05-12) *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2468880A (en) * 2009-03-24 2010-09-29 Numatic Int Ltd Filter bag mounting arrangement
GB2468880B (en) * 2009-03-24 2012-08-22 Numatic Int Ltd Vacuum cleaner and filter bag
WO2016182447A1 (en) 2015-05-08 2016-11-17 Norpaz As Device and method for collecting slugs
CN110524303A (zh) * 2019-09-19 2019-12-03 中山市鹏美五金制品有限公司 一种基于桶体的吸污盖
CN114502050A (zh) * 2019-11-21 2022-05-13 喜利得股份公司 用于将开口引入真空吸尘设备的处置袋的设备和方法以及真空吸尘设备
JP2023500718A (ja) * 2019-11-21 2023-01-10 ヒルティ アクチエンゲゼルシャフト 真空掃除装置のための廃棄袋に開口部を作成するための装置及び方法並びに真空掃除装置
US12268351B2 (en) 2019-11-21 2025-04-08 Hilti Aktiengesellschaft Device and method for introducing openings into a disposal bag for a vacuuming device, and vacuuming device
EP4164462A4 (de) * 2020-06-11 2025-01-01 Husqvarna AB Lukenmechanismus für einen vorabscheider- oder staubentfernerfiltertank und staubbehälterhalter zur verbindung mit solch einer luke

Also Published As

Publication number Publication date
FR2763497A1 (fr) 1998-11-27
CZ160298A3 (cs) 1999-10-13
PL326379A1 (en) 1998-12-07
SK68098A3 (en) 1999-01-11
FR2763497B1 (fr) 1999-07-16

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