EP0928152B1 - Aspirateur pour dechets menagers - Google Patents

Aspirateur pour dechets menagers Download PDF

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Publication number
EP0928152B1
EP0928152B1 EP97910353A EP97910353A EP0928152B1 EP 0928152 B1 EP0928152 B1 EP 0928152B1 EP 97910353 A EP97910353 A EP 97910353A EP 97910353 A EP97910353 A EP 97910353A EP 0928152 B1 EP0928152 B1 EP 0928152B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
inflatable
air
peripheral
inflatable peripheral
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
EP97910353A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0928152A1 (fr
Inventor
Agneta Riviera-Boklund
Antonio Jimenez
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.)
Certech SA
Original Assignee
Certech 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 Certech SA filed Critical Certech SA
Publication of EP0928152A1 publication Critical patent/EP0928152A1/fr
Application granted granted Critical
Publication of EP0928152B1 publication Critical patent/EP0928152B1/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
    • A47L7/04—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 for using the exhaust air for other purposes, e.g. for distribution of chemicals in a room, for sterilisation of the air
    • A47L7/06—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 for using the exhaust air for other purposes, e.g. for distribution of chemicals in a room, for sterilisation of the air for supporting the suction cleaner on the exhaust air
    • 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
    • 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
    • A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles

Definitions

  • the present invention relates to a mobile vacuum cleaner for waste housewares, comprising an internal structure having means for vacuuming air loaded with household waste through an air inlet, means for filter the intake air and retain the household waste it contains, means for evacuating the filtered air by at least one air outlet, and a protective structure intended to minimize or eliminate damage caused by impacts between the vacuum cleaner and other objects such as surrounding furniture.
  • the vacuum cleaner described in this document includes a casing mounted on casters and surrounded by a waterproof elastic band provided with air exhaust openings. Air drawn in and out of the engine is propelled by an opening between the rigid casing of the vacuum cleaner and the elastic band, so as to generate a layer of air under the band elastic, which constitutes a structure making it possible to absorb shocks between the vacuum cleaner and a piece of furniture.
  • this structure does not adequately absorb significant shocks, presumably because of the necessarily small thickness of the layer of air between the casing and the elastic band.
  • the fixing the elastic band to the casing must be waterproof, which involves a relatively complex and costly realization.
  • Document DE 22 13 716 A describes another structure mobile vacuum cleaner for household waste in which the underside of the vacuum cleaner consists of a non-inflatable foam mattress air-filled cells forming a soft surface resting on the ground to avoid scratching the ground in the presence of grains of sand.
  • Document US 4,947,506 A describes a mobile vacuum cleaner for household waste whose housing is covered with covering elements reported non-inflatable, on top and on the periphery.
  • the elements of reported cover consist of high density foam, to absorb the energy of impacts between the vacuum cleaner and objects surrounding.
  • Document US 4,533,370 A describes a vacuum cleaner structure mobile for household waste whose casing is surrounded by an element rigid peripheral tubular through which the outlet air flows the vacuum cleaner, producing a reduction in air outlet noise.
  • the protruding surface of the peripheral tubular element can be covered with a soft cover, for example PVC resin, to simultaneously constitute a shock absorber.
  • the structure is not inflatable.
  • the problem proposed by the present invention is to design a new vacuum structure allowing simultaneous absorption effectively impacts between the vacuum cleaner and surrounding objects, and reduce the overall production cost of the vacuum cleaner.
  • Another advantage of the invention is to be able to give the vacuum cleaner of the various external forms, for the same structure internal.
  • a vacuum cleaner comprises an internal structure having means for sucking air loaded with household waste through an air inlet, means for filter the intake air and retain the household waste it contains, means for evacuating the filtered air by at least one air outlet, and a inflatable peripheral structure supplied with air by said outlet air; the inflatable peripheral structure is delimited by one or more several flexible peripheral walls whose envelope surrounds the entire internal structure of the vacuum cleaner including means for aspirating, filtering and evacuating air.
  • a portion of the inflatable peripheral structure constitutes a support surface by which the vacuum cleaner can rest on the floor.
  • the inflatable peripheral structure comprises a first free passage to the right of the air inlet, to authorize the connection of an air intake tube to the air inlet, and the first free passage is surrounded by a prominent inflatable lip in relation to which the air intake is recessed.
  • This provides protection efficient, avoiding that the part of the internal structure close to the entrance air can come into contact with surrounding objects such as furniture.
  • the inflatable peripheral structure can possibly include a second free passage crossed by the cord of connection of the vacuum cleaner to the external power distribution network electric.
  • the second free passage is also surrounded by a lip prominent inflatable, for the same reasons as the first pass free.
  • the peripheral structure inflatable is in a single element delimited by a peripheral wall external continues.
  • the inflatable peripheral structure can comprising a first inflatable peripheral element and a second element inflatable device separated from each other by an annular groove likely to be crossed by the suction tube and / or by the cord of connection of the vacuum cleaner to the external power distribution network electric.
  • the two peripheral elements inflatables are mounted to rotate along an axis of rotation generally perpendicular to the axis of the air inlet.
  • the vacuum cleaner can then roll on the ground by the inflatable peripheral elements, which are retained on the internal structure by axial guiding means and can spin around a cylindrical surface of internal structure with interposition of a layer of air blown in by the vacuum cleaner.
  • the inflatable peripheral structure may include a plurality of inflatable peripheral elements tubular distributed around the periphery of the internal structure of the vacuum cleaner.
  • the vacuum cleaner 10 essentially comprises an internal structure contained in a rigid hollow tubular casing 11 and comprising a turbine suction 12 driven by a motor 12a.
  • Motor 12a is maintained in the casing 11 by means of a support 14 which defines an upstream chamber 15 and a downstream chamber 16.
  • the upstream chamber 15 is shaped to contain a waste bag 13, and includes an air inlet 24.
  • the support 14 is shaped to allow air to pass from the upstream chamber 15 to the downstream chamber 16 by passing it through one or more filters 26 which prevent unwanted particles from entering the motor 12a.
  • the motor 12a and the turbine suction 12 are placed in the downstream chamber 16.
  • An upstream cover 18 closes the upstream end of the chamber upstream 15, and comprises the air inlet 24.
  • a downstream cover 17 closes the downstream end of the downstream chamber 16.
  • the downstream cover 17 may include a safety valve 19 arranged to allow the passage of air as soon as the pressure in the downstream chamber 16 is greater than a predetermined threshold value.
  • the downstream cover 17 comprises at in addition to an electrical switch 20 for establishing or interrupting the power supply to the motor 12a.
  • This power supply of the motor 12a electric is provided by a cord 21 for connection to the external network electric power distribution.
  • the cord 21 can also be associated with a reel housed in the casing 11, not illustrated in the figures, allowing the selective retraction of the cord 21 outside the periods of use of the vacuum cleaner, in a manner known to those skilled in the art job.
  • the downstream chamber 16 communicates with the outside atmosphere by an air outlet, for example through the opening 29 formed in the casing 11.
  • the vacuum cleaner according to the invention further comprises a structure inflatable device 30, supplied with air by the air outlet 29.
  • the structure inflatable device 30 comprises a single structural element, and is delimited by a tubular inner wall 31 engaged around the casing 11, and by a flexible external peripheral wall 32. Walls 31 and 32 define an inflatable annular enclosure surrounding a space interior, open at two opposite ends 22 and 23 each constituting a free passage.
  • the first end 22 constitutes a first free passage at the right of the air inlet 24, to allow the connection of a tube air intake 25 at the air inlet 24.
  • This first free passage 22 is surrounded by a portion of the outer peripheral wall 32 constituting a inflatable lip 27 which is prominent, relative to which the inlet air 24 is recessed.
  • the second end 23 constitutes a second free passage, crossed by the cord 21 connecting the vacuum cleaner to the external network electric power distribution. Similarly, the second pass free 23 is surrounded by a portion of the outer peripheral wall 32 constituting an inflatable lip 28 which is prominent.
  • peripheral structure inflatable 30 is delimited by an external peripheral wall 32 flexible continuous whose envelope completely surrounds the entire structure internal of the vacuum cleaner comprising the means for sucking in the air 12 and 12a, the means for filtering the air 13 and 26, as well as the means for exhaust air 29.
  • envelope designates the convex outer surface to minimum volume containing the inflatable peripheral structure.
  • this envelope is formed by the outer surface of the external peripheral wall 32, connecting to the end planes 27a and 28a tangent to the respective edges of the lips 27 and 28.
  • This envelope completely surrounds the entire internal structure of the vacuum cleaner and in particular the engine 12a, the turbine 12, the rigid casing 11, the covers 17 and 18.
  • the vacuum cleaner rests on the floor by a part of the inflatable structure. It can slide on the ground, or roll in being in contact with the ground by the external peripheral wall 32 flexible of the inflatable peripheral structure 30.
  • the upstream cover 18 can advantageously be fixed on the casing 11 by screwing or by a bayonet type fixing, or with flanges. It thus gives access to the upstream chamber 15, for adaptation or removing the bag 13 or the filters 26.
  • the air inlet 24, formed in the upstream cover 18, is shaped to allow the adaptation of a suction pipe 25 such as a flexible pipe.
  • the structure peripheral 30, delimited by the external peripheral wall 32, comprises a tubular inner wall 31 shaped to fit on the wall outer casing of the casing 11.
  • the tubular inner wall 31 has one or more openings 33 coinciding with the openings 29 of the downstream chamber 16 of the casing 11 when the inflatable peripheral structure 30 is put in place around the housing 11.
  • the openings 33 are made under the form of four elongated slots regularly spaced on the wall tubular interior 31 of the inflatable peripheral structure 30.
  • the openings 29 in the downstream chamber 16 are for example made up of several rows of holes arranged over the entire periphery of the casing 11, so that at least one of the tents 33 of the peripheral structure inflatable 30 coincides with one of the openings 29 of the casing 11 whatever or the angular position of the inflatable peripheral structure 30 around the housing 11.
  • the external peripheral wall 32 can be made in one synthetic material or a fabric partially allowing air to pass through.
  • the edges of the outer peripheral wall 32 can be fixed to the ends of the tubular inner wall 31 by flanges 34 as this is illustrated in Figure 2, or by any other means of attachment adapted.
  • the inflatable peripheral structure 30 is fully closed from so that air introduced into it can escape only through the openings 33 or through the material which forms the peripheral wall external 32.
  • the external peripheral wall 32 is flexible so you can inflate or deflate depending on the air it contains.
  • a valve is provided in the case where the external peripheral wall 32 is made in an airtight material. safety device 19 allowing part of the internal air to be released inflatable peripheral structure 30 as soon as the pressure inside the structure exceeds a predetermined threshold value.
  • an inflatable peripheral structure 30 made of a flexible and extensible material, contained in a net flexible but not extensible which limits its deformation capacities under pressure.
  • the net can be made of a material resistant to wear, which improves the protection of the peripheral structure inflatable against wear when rubbing on the ground.
  • the volume of the vacuum cleaner according to the invention is reduced.
  • the inflatable peripheral structure 30 can have a relatively large thickness, which ensures excellent shock protection.
  • Each of the inflatable peripheral elements 30a and 30b is continuous enveloping shape such as a blind cylindrical shape, as illustrated in the figure.
  • the structure internal of the vacuum cleaner is contained in a tubular casing 11 oriented along the axis I-I of rotation.
  • each of the inflatable peripheral elements 30a and 30b is annular in shape, with an end passage 22 or 23 surrounded by a prominent inflatable lip 27 or 28, as in the realization of figure 1.
  • FIG. 7 illustrates a means ensuring the rotary mounting of the inflatable peripheral elements such as element 30a: the envelope inflatable hose, constituting the essential part of the element inflatable device 30a, is integral with a rigid tubular base 40 rotatably mounted around a cylindrical element 41 of the internal structure of the vacuum cleaner.
  • the cylindrical element 41 can be either an end section of a casing 11 described above, i.e. an element separate.
  • One end of the base 40 is folded back to form a flange guide 42 engaged in an annular groove 43 of the internal structure of the vacuum cleaner.
  • a space 44 is left between the cylindrical element 41 and the tubular base 40, as well as between the walls of the groove 43 and the guide flange 42.
  • the air leaving the downstream chamber 16 of the vacuum cleaner through the opening 29 enters the peripheral element inflatable 30a through opening 33 to inflate the peripheral element inflatable 30a.
  • this element When this element is inflated, air escapes through space 44, and then constitutes an air cushion promoting rotation without friction of the inflatable peripheral element 30a around the cylindrical element 41 of the internal vacuum cleaner structure.
  • the flange guide 42 and the groove 43 constitute axial guide means which retain the corresponding inflatable peripheral element 30a on the internal structure of the vacuum cleaner.
  • the peripheral element inflatable 30a pivots around the cylindrical element 41 of structure internal with interposition of an air gap blown by the vacuum cleaner and filling space 44.
  • Rotatable inflatable peripheral elements 30a and 30b constitute soft rolling means which, in relation to rollers rigid, improve rolling, avoid noise rolling, and facilitate the passage of obstacles such as thresholds doors or carpet edges.
  • Such inflatable peripheral elements can be used regardless of the presence or the absence of the other characteristics described or claimed. Through example, it is advantageous to provide peripheral elements smaller section rotators, no longer providing complete protection against impact with the internal structure of the vacuum cleaner, but further guaranteeing the benefits of the mentioned soft rolling above.
  • FIG. 9 illustrates another embodiment of the invention in which the inflatable peripheral structure 30 is formed a plurality of tubular inflatable peripheral elements 30d, distributed around the periphery of the internal structure of the vacuum cleaner such as a rigid cylindrical casing 11, the tubular peripheral elements 30d joining at the two ends 22 and 23 where the air outlet 24 is located and the cord outlet.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Suction Cleaners (AREA)
EP97910353A 1996-09-26 1997-09-24 Aspirateur pour dechets menagers Expired - Lifetime EP0928152B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH235696 1996-09-26
CH02356/96A CH691565A5 (fr) 1996-09-26 1996-09-26 Aspirateur pour déchets ménagers.
PCT/EP1997/005257 WO1998012957A1 (fr) 1996-09-26 1997-09-24 Aspirateur pour dechets menagers

Publications (2)

Publication Number Publication Date
EP0928152A1 EP0928152A1 (fr) 1999-07-14
EP0928152B1 true EP0928152B1 (fr) 2000-12-13

Family

ID=4231882

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97910353A Expired - Lifetime EP0928152B1 (fr) 1996-09-26 1997-09-24 Aspirateur pour dechets menagers

Country Status (9)

Country Link
US (1) US6141822A (ja)
EP (1) EP0928152B1 (ja)
JP (1) JP2001504001A (ja)
CN (1) CN1231587A (ja)
AU (1) AU4778197A (ja)
CA (1) CA2267242A1 (ja)
CH (1) CH691565A5 (ja)
DE (1) DE69703698D1 (ja)
WO (1) WO1998012957A1 (ja)

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GB2469046B (en) * 2009-03-31 2012-07-25 Dyson Technology Ltd Mounting arrangement for separating apparatus in a cleaning appliance
GB2469051B (en) * 2009-03-31 2013-01-02 Dyson Technology Ltd A cleaning appliance with steering mechanism
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GB0918027D0 (en) * 2009-10-15 2009-12-02 Dyson Technology Ltd A surface trating appliance
GB2474469B (en) * 2009-10-15 2013-11-13 Dyson Technology Ltd A surface treating appliance
GB2474466B (en) * 2009-10-15 2014-03-05 Dyson Technology Ltd A surface treating appliance
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GB2484120B (en) 2010-09-30 2014-10-01 Dyson Technology Ltd A cleaning appliance
US8978198B2 (en) 2011-03-03 2015-03-17 G.B.D. Corp. Filter housing for a surface cleaning apparatus
US9101252B2 (en) 2011-03-03 2015-08-11 G.B.D. Corp. Configuration of a surface cleaning apparatus
US8869345B2 (en) 2011-03-03 2014-10-28 G.B.D. Corp. Canister vacuum cleaner
US8973214B2 (en) 2011-03-03 2015-03-10 G.B.D. Corp. Cyclone chamber and dirt collection assembly for a surface cleaning apparatus
US8813306B2 (en) * 2011-03-03 2014-08-26 G.B.D. Corp. Openable side compartments for a surface cleaning apparatus
US8763202B2 (en) 2011-03-03 2014-07-01 G.B.D. Corp. Cyclone chamber and dirt collection assembly for a surface cleaning apparatus
US8739359B2 (en) 2011-03-03 2014-06-03 G.B.D. Corp. Configuration of a surface cleaning apparatus
US8769767B2 (en) 2011-03-03 2014-07-08 G.B.D. Corp. Removable cyclone chamber and dirt collection assembly for a surface cleaning apparatus
US8973212B2 (en) 2011-03-03 2015-03-10 G.B.D. Corp. Filter housing construction for a surface cleaning apparatus
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Also Published As

Publication number Publication date
AU4778197A (en) 1998-04-17
DE69703698D1 (de) 2001-01-18
CA2267242A1 (fr) 1998-04-02
CH691565A5 (fr) 2001-08-31
JP2001504001A (ja) 2001-03-27
WO1998012957A1 (fr) 1998-04-02
US6141822A (en) 2000-11-07
EP0928152A1 (fr) 1999-07-14
CN1231587A (zh) 1999-10-13

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