EP1404203B1 - Selbständiger hochwirksamer staubsauger - Google Patents

Selbständiger hochwirksamer staubsauger Download PDF

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Publication number
EP1404203B1
EP1404203B1 EP02762515A EP02762515A EP1404203B1 EP 1404203 B1 EP1404203 B1 EP 1404203B1 EP 02762515 A EP02762515 A EP 02762515A EP 02762515 A EP02762515 A EP 02762515A EP 1404203 B1 EP1404203 B1 EP 1404203B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
cleaner according
head
turbine
box
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
EP02762515A
Other languages
English (en)
French (fr)
Other versions
EP1404203A1 (de
Inventor
Henrik Nielsen
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.)
Nielsen Innovation SARL
Original Assignee
Nielsen Innovation SARL
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 Nielsen Innovation SARL filed Critical Nielsen Innovation SARL
Publication of EP1404203A1 publication Critical patent/EP1404203A1/de
Application granted granted Critical
Publication of EP1404203B1 publication Critical patent/EP1404203B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • 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
    • 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
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • 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
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/32—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with means for connecting a hose
    • 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
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • 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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
    • 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 vacuum cleaner and more particularly to a self-cleaning vacuum cleaner with high cleaning efficiency.
  • a vacuum cleaner according to the preamble of claim 1 is known for example from US Patent 3592566 .
  • Traditional vacuum cleaners generally include a frame mounted on transport members and carrying an electric turbine for creating, through a filter membrane, a vacuum in a particle collector. These particles are recovered from the ground for example by means of at least one broom and are driven to the collector by air flow, via a transfer conduit.
  • the present invention aims to solve these technical problems satisfactorily by achieving a vacuum cleaner and lightweight, very high cleaning efficiency.
  • a vacuum cleaner of the above type characterized in that the turbine comprises a set of blades and a nozzle whose box consists of an upstream portion volute centered on the axis of blades and opening into a divergent downstream portion of said box communicating with the outside, and in that said divergent downstream portion is provided with longitudinal internal partitions to divide and slow down the flow of air
  • the wall of the box and the partitions are made of an acoustically insulating material and / or absorbing vibrations.
  • said divergent downstream portion communicates with the outside through lateral orifices provided on the wall of the nozzle box.
  • the upstream end of said duct may be connected to a broom formed of a roller bearing an external peripheral brush and internal blades threshing soil.
  • said blade is rotated by an internal motor whose shaft is connected coaxially to the axis of rotation of said roller.
  • said transfer conduit consists of a flexible hose removably connected to said brush.
  • the upstream end of said pipe is provided with a rigid end piece allowing both the sealing connection with a chute carried by said broom and the manual catch for a brushless suction.
  • the hose is further extensible.
  • the transport members are arranged in the lower part and, where appropriate, in the upper part of the frame. These members are preferably constituted by optionally driving wheels.
  • said particle transfer duct comprises an articulation delimiting a lower section and an upper section and allowing the opening of said duct.
  • said lower section of the transfer duct is provided with a housing for receiving heavy particles.
  • said frame contains at least one rechargeable electric battery for feeding the turbine and / or the motorization of the blade.
  • the vacuum cleaner of the invention uses a new type of turbine with very high efficiency and low electrical power of the order of 80 W which can be powered by rechargeable batteries.
  • the vacuum cleaner shown in the figures comprises a frame mounted on transport members R and carrying an electric turbine T intended to create, through a filter membrane M, a vacuum in a collector C of particles.
  • the turbine T is housed in a chamber k and the collector C here consists of a flexible bag S with an air-permeable wall, enclosed in a compartment K delimited upwards and laterally by a rigid wall sealed and downwards. by the membrane M ensuring the separation with the suction chamber k.
  • the bag S is wedged inside the compartment K by means of projections D secured to its inner wall.
  • the particles are recovered from the ground and entrained to the collector C by air flow via a transfer conduit C.
  • This air flow in the conduit C is the result of the suction produced by the turbine T in the chamber and the compartment K.
  • the frame is furthermore equipped with a grip handle N.
  • the turbine T comprises a set of blades P and a nozzle 1.
  • the nozzle 1 consists of a housing consisting of an upstream portion 11 in volute centered on the axis of the blades and opening into a divergent downstream portion 12 communicating with the outside through orifices 10 formed laterally on the wall of the box of the nozzle 1.
  • the divergent downstream portion 12 is provided with longitudinal internal partitions 13 ( Figure 1B ) to divide and slow down the flow of air discharged by the turbine T.
  • the efficiency of such a turbine is thus very high (of the order of 45%) because, thanks to the partitions 13 and the increasing increase of the section of the downstream portion 12, there is no turbulence and the low speed flow remains laminar.
  • the desired effect is sensitive as soon as the angle ⁇ between the vertical and the tangent of the partitions exceeds 5 ° ( Figure 1B ). It is possible to make the vacuum cleaner quieter by making the wall of the box and the partitions 13 with an acoustically insulating material and / or absorbing vibrations.
  • the engine of the turbine is powered by at least one rechargeable battery E housed in a housing A disposed under the turbine T inside the frame.
  • the upstream end of the transfer duct C (in the flow direction) is capable of being connected to a broom B for tearing off and lifting the particles to be sucked off from the ground.
  • the broom B is formed of a roller bearing an external peripheral brush b and internal blades for threshing.
  • the brush B is mounted here in front of the lower rolling members R.
  • the brush B is rotated either by an internal motor whose shaft is for example connected coaxially to the axis of rotation of the roller as in the embodiment of the invention.
  • Figures 1A, 1B either by an external motor with a belt drive or gears as in the embodiment of the Figures 2A , 2B , 2C .
  • the first mode has the advantage of being compact, more robust and less noisy.
  • the transfer conduit C is rigid and fixed on the frame and comprises a hinge-type hinge defining a lower section C1 slightly inclined and a substantially vertical upper section C2.
  • the hinge H allows the opening of the duct and the access and / or emptying of a receiving box L of heavy particles located at the base of the section C2, under the section C1.
  • This arrangement also makes it possible to widen the diameter of the duct and thus reduce air loss.
  • the transfer conduit C consists of a flexible flexible hose releasably connected to the blade B.
  • the flexible pipe is further extensible by being made, for example, accordion.
  • the upstream end of the conduit C is provided with a nozzle 2 for sealing connection with a chute G carried by the broom B.
  • the tip 2 also allows a manual grip to perform a brushless suction as shown on the Figure 2B .
  • the frame is provided with two sets of transport members R, R ', one of which is mounted in the upper part of the frame to allow the use of the hoover as shown on the drawing.
  • Each of the sets of transport members respectively lower and upper R, R ' is preferably constituted by a train of wheels optionally driven which is fixed to the frame by means of forks F, F'.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Surgical Instruments (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Claims (12)

  1. Staubsauger, der insbesondere ein Gehäuse umfaßt, das an Transportorganen (R, R') angebracht ist und eine elektrische Turbine (T) trägt, die dazu bestimmt ist, durch eine Filtermembran (M) in einem Sammelbehälter (S) für vom Boden aufgesammelte Teilchen, die durch Luftstrom über eine Beförderungsleitung (C) zum Sammelbehälter geführt werden, einen Unterdruck zu erzeugen, wobei die Turbine (T) einen Satz von Schaufeln (P) und eine Düse (1) aufweist, deren Behälter von einem spiralförmigen stromaufwärtigen Abschnitt (11) gebildet ist, der um die Achse der Schaufeln angeordnet ist und in einen mit der Außenseite in Verbindung stehenden divergenten stromabwärtigen Abschnitt (12) des Behälters mündet, dadurch gekennzeichnet, daß der divergente stromabwärtige Abschnitt (12) mit inneren Längstrennwänden (13) versehen ist, die sich ausgehend von dem Abschnitt (12) schrittweise auseinanderlaufend erstrecken, um den Luftstrom zu teilen und zu verlangsamen.
  2. Staubsauger nach Anspruch 1, dadurch gekennzeichnet, daß die Wand des Behälters sowie die Trennwände (13) mit einem schallisolierenden und/oder schwingungsdämpfenden Material ausgebildet sind.
  3. Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der divergente stromabwärtige Abschnitt (12) über an der Wand des Behälters der Düse (1) ausgebildete Seitenöffnungen (10) mit der Außenseite in Verbindung steht.
  4. Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das stromaufwärtige Ende der Leitung (C) geeignet ist, an einen Besen (B) angeschlossen zu werden, der von einer eine äußere Umfangsbürste (b) tragenden Rolle und von Innenflügeln (a) zum Ausklopfen des Bodens gebildet ist.
  5. Staubsauger nach Anspruch 4, dadurch gekennzeichnet, daß der Besen (B) durch einen Innenmotor drehangetrieben wird, dessen Welle mit der Drehachse der Rolle koaxial verbunden ist.
  6. Staubsauger nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, daß die Beförderungsleitung (C) von einem mit dem Besen (B) lösbar verbundenen Schlauch gebildet ist.
  7. Staubsauger nach Anspruch 6, dadurch gekennzeichnet, daß das stromaufwärtige Ende des Schlauchs mit einem starren Ansatzstück (2) versehen ist, das sowohl das dichte Verbinden mit einer von dem Besen (B) getragenen Auswurfrinne (G) als auch das In-die-Hand-nehmen für ein Saugen ohne Besen ermöglicht.
  8. Staubsauger nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß der Schlauch ferner erweiterbar ist.
  9. Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Transportorgane (R, R') am unteren Teil und gegebenenfalls am oberen Teil des Gehäuses angeordnet sind.
  10. Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Leitung (C) zum Befördern der Teilchen ein Gelenk (H) umfaßt, das einen unteren Abschnitt (C1) und einen oberen Abschnitt (C2) begrenzt und das Öffnen der Leitung (C) ermöglicht.
  11. Staubsauger nach Anspruch 9, dadurch gekennzeichnet, daß der untere Abschnitt (C1) der Beförderungsleitung (C) mit einem Kasten (L) zur Aufnahme der schweren Teilchen ausgestattet ist.
  12. Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Gehäuse wenigstens eine wieder aufladbare elektrische Batterie (E) für die Versorgung der Turbine (T) und/oder die Motorisierung des Besens (B) enthält.
EP02762515A 2001-07-03 2002-07-03 Selbständiger hochwirksamer staubsauger Expired - Lifetime EP1404203B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0108799A FR2826851B1 (fr) 2001-07-03 2001-07-03 Aspirateur autonome a efficacite elevee
FR0108799 2001-07-03
PCT/FR2002/002318 WO2003003896A1 (fr) 2001-07-03 2002-07-03 Aspirateur autonome a efficacite elevee

Publications (2)

Publication Number Publication Date
EP1404203A1 EP1404203A1 (de) 2004-04-07
EP1404203B1 true EP1404203B1 (de) 2009-12-09

Family

ID=8865059

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02762515A Expired - Lifetime EP1404203B1 (de) 2001-07-03 2002-07-03 Selbständiger hochwirksamer staubsauger

Country Status (7)

Country Link
US (1) US7356873B2 (de)
EP (1) EP1404203B1 (de)
CN (1) CN1323630C (de)
AT (1) ATE451047T1 (de)
DE (1) DE60234694D1 (de)
FR (1) FR2826851B1 (de)
WO (1) WO2003003896A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013139838A1 (de) 2012-03-22 2013-09-26 Alfred Kärcher Gmbh & Co. Kg Saugaggregat und saugmaschine

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US6846846B2 (en) 2001-10-23 2005-01-25 The Trustees Of Columbia University In The City Of New York Gentle-acting skin disinfectants
US7879365B2 (en) 2002-02-07 2011-02-01 The Trustees Of Columbia University In The City Of New York Zinc salt compositions for the prevention of dermal and mucosal irritation
CA2475224C (en) 2002-02-07 2011-11-01 The Trustees Of Columbia University In The City Of New York Zinc salt compositions for the prevention of mucosal irritation from spermicides and microbicides
US7435429B2 (en) 2002-02-07 2008-10-14 Trustees Of Columbia University In The City Of New York Zinc salt compositions for the prevention of dermal and mucosal irritation
US7563461B2 (en) 2002-02-07 2009-07-21 The Trustees Of Columbia University In The City Of New York Zinc salt compositions for the prevention of dermal and mucosal irritation
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GB2474464B (en) 2009-10-15 2013-11-20 Dyson Technology Ltd A surface treating appliance
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013139838A1 (de) 2012-03-22 2013-09-26 Alfred Kärcher Gmbh & Co. Kg Saugaggregat und saugmaschine
WO2013139833A1 (de) 2012-03-22 2013-09-26 Alfred Kärcher Gmbh & Co. Kg Saugaggregat und saugmaschine

Also Published As

Publication number Publication date
FR2826851B1 (fr) 2004-08-06
WO2003003896A1 (fr) 2003-01-16
US7356873B2 (en) 2008-04-15
CN1522122A (zh) 2004-08-18
DE60234694D1 (de) 2010-01-21
ATE451047T1 (de) 2009-12-15
FR2826851A1 (fr) 2003-01-10
EP1404203A1 (de) 2004-04-07
CN1323630C (zh) 2007-07-04
US20050125937A1 (en) 2005-06-16

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