EP2330961B1 - Tuyau d'aspirateur et garniture de tuyau pour un aspirateur de poussière à grande puissance d'aspiration - Google Patents

Tuyau d'aspirateur et garniture de tuyau pour un aspirateur de poussière à grande puissance d'aspiration Download PDF

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Publication number
EP2330961B1
EP2330961B1 EP09781443.8A EP09781443A EP2330961B1 EP 2330961 B1 EP2330961 B1 EP 2330961B1 EP 09781443 A EP09781443 A EP 09781443A EP 2330961 B1 EP2330961 B1 EP 2330961B1
Authority
EP
European Patent Office
Prior art keywords
hose
vacuum cleaner
attachment
coupling
diameter
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.)
Not-in-force
Application number
EP09781443.8A
Other languages
German (de)
English (en)
Other versions
EP2330961A1 (fr
Inventor
Alexander Flegler
Silvio Hamm
André Michaelis
Florian Schmitt
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2330961A1 publication Critical patent/EP2330961A1/fr
Application granted granted Critical
Publication of EP2330961B1 publication Critical patent/EP2330961B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • 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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings

Definitions

  • the invention relates to a system of a vacuum cleaner hose, which is equipped at its one end with a vacuum cleaner coupling for connecting the vacuum cleaner hose to a suction opening of a vacuum generating vacuum cleaner unit and at its other end with an attachment coupling for connection to a hose attachment, and a tubular hose attachment, which is provided at its one end with a hose coupling for connecting a vacuum cleaner hose and having at its other end a suction port, wherein the pipe inner diameter of the hose attachment is larger at the hose coupling than at the suction port.
  • Vacuum cleaners are known from the state of the art, for example the BSGL42223 device marketed under the BOSCH brand, in which a vacuum cleaning unit which can be parked on the floor or can be rolled on the floor generates a negative pressure and is equipped with a suction opening.
  • a vacuum cleaner hose equipped with a corresponding vacuum cleaner coupling can be coupled to the suction opening of the vacuum cleaning unit.
  • the vacuum cleaner hose is equipped with an attachment coupling to him to a Hose attachment with a suction port to connect.
  • the hose attachment is generally tubular and may be, for example, a pad brush or a crevice tool.
  • hose attachment can also be connected to the suction port of the hose attachment a vacuum cleaner tube, which in turn has a suction port, for example, carries a brush.
  • the hose attachment is generally designed as a handle so that it can be grasped by the hand to guide the vacuum cleaner tube.
  • Vacuum cleaner hoses are generally cylindrical in shape with a uniform diameter over the entire length of 32 mm.
  • a vacuum cleaner with the type designation VS 08 is offered, whose hose is slightly conical, whereby the hose diameter in the area of the attachment coupling is about 32 mm and in the area of the vacuum cleaner coupling about 38 mm.
  • a vacuum cleaner with a vacuum cleaner hose which connects the vacuum cleaner to a hose attachment and whose cross-section increases from the hose attachment to the vacuum cleaner, the cross-sectional increase being substantially uniform over the length of the hose.
  • German utility model DE 20 2006 002 975 U1 discloses a conical vacuum cleaner hose, wherein the hose is made of hydrolysis and ozone-resistant polyurethane. For production, it is proposed to create a constricted area on an extruded tube by partially holding it.
  • German utility model DE 296 17 752 U1 discloses a hose combination of a first hose and a second hose of smaller diameter, which is to be used in particular as a suction hose in a vacuum cleaner.
  • the second tube is attached along a common line of contact to the inside of the wall of the first tube.
  • the first tube widens conically from one end to its other end.
  • German Utility Model DE 20 2005 011 014 discloses a flexible Saugschlauchvertorung having a larger diameter and a smaller diameter cylindrical portion, wherein these two portions are interconnected by a conical intermediate part.
  • German utility model DE 20 100 185 discloses a Saugschlauchvertorung for a vacuum cleaner, which consists of a hose and an adapter which is angularly composed of two pieces of pipe. Of the two angularly juxtaposed pieces of pipe one has an outer diameter of 39 and an inner diameter of 30 mm and the second an outer diameter of 35 mm in both cases.
  • German Utility Model DE 299 15 879 U1 discloses a stretchable tube having a straight cone-shaped tube attachment that tapers from about 43 mm to 30 mm.
  • the German utility model DE 8619564 discloses a tube adapter for connecting a vacuum cleaner attachment, e.g. B. a carpet cleaning device, to the suction pipe of a vacuum cleaner.
  • the adapter has a receiving portion which widens from about 28 to about 39 mm.
  • the Canadian patent CA 2 498 435 A1 discloses a vacuum cleaner with a vacuum cleaner hose and a fitting comprising an annular suction gap in addition to a circular suction opening.
  • the area of the annular gap is smaller than that of the circular suction opening, so that a relatively high velocity air stream can flow through the annular gap and thereby improve the suction power.
  • the US patent US 3,343,197 A discloses a suction system for extracting particles at high pressure and low speed for factories.
  • a 7.62 cm (3-inch) suction pipe is provided which tapers 5.08 cm (2 inches) counter to the suction direction, and branches to, among other things, 5.08 cm (2-inch) flexible suction hoses. connected is.
  • the suction hoses are in turn connected to suction nozzles whose diameter is 3.17 mm (1/8 inch).
  • the invention has for its object to provide an improved system of a vacuum cleaner hose for connection to a vacuum cleaner unit and a tubular hose attachment for connection to the vacuum cleaner hose.
  • the object of the invention is achieved in the generic system of a vacuum cleaner hose and a hose attachment characterized in that the hose inner diameter of the vacuum cleaner clutch is at least 47 mm, the pipe inside diameter of the hose coupling of the hose attachment at least 32 mm and at most 40 mm and the pipe inside diameter of the tubular hose attachment the suction opening of the hose attachment is at most 30 mm.
  • the hose inner diameter of the vacuum cleaner hose at the vacuum cleaner coupling is at least 47 mm. With this measure, it is advantageously achievable that a smaller hose inner diameter in the area of the attachment coupling can be sufficiently compensated by the hose inner diameter on the vacuum cleaner coupling to keep the total flow resistance in the vacuum cleaner hose sufficiently low even at higher power.
  • the hose attachment can also be handled by the user in vacuum cleaners with a higher suction power, without these handling factors being at the expense of the energy efficiency of the vacuum cleaner.
  • the vacuum cleaner hose according to the invention and / or the hose attachment according to the invention are preferably used with vacuum cleaners which can achieve a suction power of greater than or equal to 54 l / sec, particularly preferably greater than or equal to 50 l / sec.
  • the invention is based on the consideration that a suction hose is preferably not smooth on its inside, but provided with a wave profile to ensure sufficient flexibility of the suction hose.
  • this wave profile can adversely affect the flow behavior in the hose and in particular lead to a relatively high flow resistance at higher suction rates, which in turn can drive the energy required to achieve the required suction in the air.
  • the invention is also based inter alia on the consideration that can be reduced by increasing the diameter of the flow resistance and thus the energy consumption can be reduced.
  • a large hose diameter can affect the handling of the tubular hose attachment, as it can no longer be so easily covered by the hand of a user with larger diameters.
  • the vacuum cleaner hose on the one hand has a sufficiently enlarged compared to conventional vacuum cleaners diameter to keep the increased energy expenditure within limits, on the other hand, however, ensures sufficient handling of the hose attachment.
  • the preferred vacuum cleaner hose has a circular cross-section.
  • vacuum cleaners with a non-circular cross-section are also covered by the invention. In this case is below the diameter of the non-circular Hose cross section to withstand the circle diameter of a hypothetical tube having the same flow resistance.
  • the hose inner diameter at the vacuum cleaner coupling is larger than at the attachment coupling.
  • the hose inner diameter is smaller at any point than at the attachment coupling.
  • the inner tube diameter is not larger at any point than at the vacuum cleaner coupling.
  • the hose inner diameter of the attachment coupling of the vacuum cleaner hose to the vacuum cleaner coupling increases substantially steadily, particularly preferably linear.
  • Such a vacuum cleaner hose can allow particularly favorable flow conditions inside the hose.
  • such an embodiment of the vacuum cleaner hose has also proved to be advantageous from an aesthetic point of view.
  • the ratio between the hose inner diameter at the attachment coupling of the vacuum cleaner hose and the hose inner diameter at the vacuum cleaner coupling is according to a particularly preferred embodiment of the invention less than 0.77. With such diameter ratios, the reduced flow resistance with simultaneously increased ergonomics makes itself particularly noticeable.
  • the invention also includes in particular those vacuum cleaner hoses in which the vacuum cleaner hose has a uniform diameter throughout, which is 40 mm or more. It is an advantage of this embodiment of the invention that vacuum cleaner tubes with a uniform diameter can be produced in a particularly simple and cost-effective manner.
  • the preferred hose length is between 1 m and 5 m, more preferably between 1.3 m and 3 m, particularly preferably between 1.6 m and 2 m.
  • the tube inner diameter of the intake opening to the hose coupling increases substantially steadily, particularly preferably linear.
  • particularly favorable flow conditions can advantageously be achieved in the hose attachment.
  • good handling too ensure the tube inner diameter of the hose attachment to the hose coupling according to the invention is 40 mm or less.
  • a vacuum cleaner tube can be coupled.
  • the hose attachment e.g. is designed as a upholstery brush or crevice nozzle.
  • the hose attachment is designed as a grip part, with which the vacuum cleaner pipe connected thereto can be guided.
  • the inner diameter of the end facing away from the hose attachment increases substantially steadily, preferably linearly, to the end which can be coupled to the hose attachment.
  • the tube inner diameter of the vacuum cleaner hose to the hose attachment coupling is preferably 36 mm.
  • the pipe inner diameter of the vacuum cleaner pipe is preferably 30 mm. This advantageously achieves that conventional brushes can be connected to the vacuum cleaner tube, so that users can be enabled to use the new vacuum cleaner tube with conventional brushes and no new brushes must be offered and manufactured by the manufacturer.
  • the vacuum cleaner hose and / or the hose attachment are preferably made of plastic, e.g. made of polyvinyl chloride (PVC), polyethylene (PE) or polyurethane (PU).
  • PVC polyvinyl chloride
  • PE polyethylene
  • PU polyurethane
  • Fig. 1 is a on the floor by rollers not shown rollable vacuum cleaner unit 1, which includes a suction motor, also not shown, which can be set by means of an operating switch 2 in function to generate a negative pressure.
  • a suction motor also not shown
  • the vacuum cleaner hose 5 has a vacuum cleaner coupling 6, with which it is connected to the suction port of the vacuum cleaner unit.
  • the course of the inner diameter of the vacuum cleaner hose 5 is in Fig. 2 shown. Accordingly, the hose inner diameter D decreases linearly from the top coupling to the vacuum cleaner coupling, the vacuum cleaner hose 5 is thus conical.
  • the hose inner diameter D E on the attachment coupling 7 is about 32 mm, the hose inner diameter D A at the vacuum cleaner coupling 6 is about 47 mm.
  • the ratio between length and diameter is in Fig. 2 not shown to scale. He points as in FIG. 1 clearly recognizable, in longitudinal section a wave-like profile, which advantageously increases in particular the flexibility of the hose.
  • the length of the vacuum cleaner hose is about 1.8 m.
  • Fig. 3 is sketchy and shown in cross-sectional representation of an inventive tube-like hose attachment. It is curved with a radius of about 50 cm and about 25 cm long.
  • the suction opening 9 of the hose attachment 8 has an inner diameter d e of about 30 mm, in the region of the hose coupling 10, with the hose attachment 8 can be coupled to the attachment coupling 7 of the vacuum cleaner hose 5 by nesting of the two parts, the inner diameter d a of Hose attachment 8 approx. 36 mm.
  • the hose attachment is a substantially smooth pipe section. At the suction of the hose attachment a conventional not shown vacuum cleaner tube with an inner diameter of 30 mm can be connected. The hose lug may be gripped by a user from the outside to guide the vacuum cleaner tube.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)

Claims (10)

  1. Système composé d'un flexible d'aspirateur (5) doté à une extrémité d'un accouplement pour aspirateur (6) afin de connecter le flexible d'aspirateur (5) à un orifice d'aspiration (3) d'une unité d'aspiration (1) génératrice d'une dépression et, à l'autre extrémité d'un accouplement pour accessoire (7) afin de le connecter à un accessoire pour flexible (8), et d'un accessoire tubulaire pour flexible (8), doté à une extrémité d'un accouplement pour flexible (10) afin de connecter un flexible d'aspirateur (5) et, à l'autre extrémité, d'un orifice d'aspiration (9), dans lequel le diamètre intérieur du tuyau de l'accessoire pour flexible (8) au niveau de l'accouplement pour flexible (10) est plus grand qu'au niveau de l'orifice d'aspiration (9), caractérisé en ce que le diamètre intérieur du flexible au niveau de l'accouplement pour aspirateur (6) est au minimum de 47 mm, le diamètre intérieur du tuyau de l'accessoire tubulaire pour flexible (8) au niveau de l'accouplement pour flexible (10) est au minimum de 32 mm et au maximum de 40 mm et le diamètre intérieur du tuyau de l'accessoire tubulaire pour flexible (8) au niveau de l'orifice d'aspiration (9) de l'accessoire pour flexible (8) est au maximum de 30 mm.
  2. Système selon la revendication 1, caractérisé en ce que le diamètre intérieur du flexible au niveau de l'accouplement pour aspirateur (6) est plus grand qu'au niveau de l'accouplement pour accessoire (7).
  3. Système selon la revendication 2, caractérisé en ce que le diamètre intérieur du flexible croît essentiellement de manière continue de l'accouplement pour accessoire (7) vers l'accouplement pour aspirateur (6).
  4. Système selon l'une des revendications précédentes, caractérisé en ce que le diamètre intérieur du flexible au niveau de l'accouplement pour accessoire (7) est au minimum de 32 mm.
  5. Système selon l'une des revendications précédentes, caractérisé en ce que le rapport entre le diamètre intérieur du flexible au niveau de l'accouplement pour accessoire (7) et le diamètre intérieur du flexible au niveau de l'accouplement pour aspirateur (6) est inférieur à 0,77.
  6. Système selon l'une des revendications précédentes, caractérisé en ce que le diamètre intérieur du tuyau de l'accessoire tubulaire pour flexible (8) croît essentiellement de manière continue de l'orifice d'aspiration (9) de l'accessoire pour flexible vers l'accouplement pour flexible (10).
  7. Système selon l'une des revendications précédentes, caractérisé en ce qu'un tuyau d'aspirateur peut être couplé à l'orifice d'aspiration (9) de l'accessoire pour flexible.
  8. Système selon l'une des revendications précédentes, caractérisé en ce que l'accessoire pour flexible (8) est exécuté sous la forme d'une poignée permettant de diriger le tuyau d'aspirateur qui y est connecté.
  9. Système selon l'une des revendications précédentes, caractérisé en ce qu'il englobe en outre un tuyau d'aspirateur doté à une extrémité d'un accouplement pour accessoire pour flexible afin de le connecter à un accessoire pour flexible (8) et présente un orifice d'aspiration à l'autre extrémité, caractérisé en ce que le diamètre intérieur du tuyau d'aspirateur au niveau de l'accouplement de l'accessoire pour flexible est plus grand qu'au niveau de l'orifice d'aspiration du tuyau d'aspirateur.
  10. Système selon la revendication 9, caractérisé en ce que le diamètre intérieur du tuyau d'aspirateur croît essentiellement de manière continue de l'extrémité opposée à l'accessoire pour flexible (8) vers l'extrémité qui peut être couplée à l'accessoire pour flexible (8).
EP09781443.8A 2008-08-13 2009-08-03 Tuyau d'aspirateur et garniture de tuyau pour un aspirateur de poussière à grande puissance d'aspiration Not-in-force EP2330961B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008041231.7A DE102008041231B4 (de) 2008-08-13 2008-08-13 Staubsaugerschlauch und Schlauchaufsatz für einen Staubsauger mit erhöhter Saugleistung
PCT/EP2009/060056 WO2010018101A1 (fr) 2008-08-13 2009-08-03 Tuyau d'aspirateur et garniture de tuyau pour un aspirateur de poussière à grande puissance d'aspiration

Publications (2)

Publication Number Publication Date
EP2330961A1 EP2330961A1 (fr) 2011-06-15
EP2330961B1 true EP2330961B1 (fr) 2015-12-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09781443.8A Not-in-force EP2330961B1 (fr) 2008-08-13 2009-08-03 Tuyau d'aspirateur et garniture de tuyau pour un aspirateur de poussière à grande puissance d'aspiration

Country Status (4)

Country Link
EP (1) EP2330961B1 (fr)
DE (1) DE102008041231B4 (fr)
RU (1) RU2011109109A (fr)
WO (1) WO2010018101A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010031605B4 (de) 2010-07-21 2014-01-02 BSH Bosch und Siemens Hausgeräte GmbH Schlauch für einen Staubsauger
EP2926705A1 (fr) * 2014-04-04 2015-10-07 Eurofilters Holding N.V. Dispositif destiné à aspirer à l'aide d'un aspirateur de chaudière
EP2926706B1 (fr) * 2014-04-04 2024-06-05 Eurofilters Holding N.V. Dispositif d'aspiration de poussière
DE102014109743A1 (de) * 2014-07-11 2016-01-14 Miele & Cie. Kg Saugschlauch für einen Staubsauger und Staubsauger mit einem solchen Saugschlauch
JP6923488B2 (ja) * 2018-06-27 2021-08-18 日立グローバルライフソリューションズ株式会社 可撓性ホース及び電気掃除機

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US3343197A (en) * 1964-11-23 1967-09-26 Kirk & Blum Mfg Co Dust collector system
US5438885A (en) * 1993-10-12 1995-08-08 Xerox Corporation Coarse particle sniffer
CA2498435A1 (fr) * 2005-02-25 2006-08-25 David B. Hiebert Buse d'aspiration

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FR728370A (fr) * 1930-12-18 1932-07-05 Inventia Patent Verwert Ges Conduit flexible d'aspiration ou de soufflage pour appareils de nettoyage par le vide
CH161292A (de) * 1932-05-23 1933-04-30 Inventia Patent Verwert Ges Biegsamer Schlauch für Staubsauger.
US3017654A (en) * 1959-07-20 1962-01-23 Electrolux Corp Vacuum cleaners
US3244437A (en) * 1964-01-28 1966-04-05 Electrolux Corp Adjustable length vacuum cleaner wand
DE8619564U1 (de) * 1969-06-17 1986-11-27 Aktiebolaget Electrolux, Stockholm Rohradapter mit Konterring
DE29617752U1 (de) * 1996-10-12 1996-12-19 Truplast Kunststofftechnik GmbH, 35428 Langgöns Schlauchkombination
DE29915879U1 (de) * 1999-09-09 1999-12-09 Sellteck Gmbh Drehbarer Schlauch, insbesondere für Staubsauger
DE20100185U1 (de) * 2001-01-05 2001-07-12 Westenberger Kurt Saugschlauch-Verlängerung für Staubsauger
US6574830B2 (en) * 2001-07-23 2003-06-10 Michael D Huddleston Vacuum operated cleaning accessory with roller brush
DE20118357U1 (de) * 2001-11-13 2002-03-07 Kuras Michael Hinterschranksaugschlauch
DE202005011014U1 (de) * 2005-07-13 2005-11-03 Sieberg, Jürgen Walter Flexible Saugverlängerung für Staubsauger
US7179062B1 (en) * 2005-10-21 2007-02-20 Drevitson Kyle C Integrated shop vacuum and air compressor system
DE202006002975U1 (de) * 2006-02-24 2006-05-04 Unitube Gmbh Konischer Kunststoffschlauch

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US3343197A (en) * 1964-11-23 1967-09-26 Kirk & Blum Mfg Co Dust collector system
US5438885A (en) * 1993-10-12 1995-08-08 Xerox Corporation Coarse particle sniffer
CA2498435A1 (fr) * 2005-02-25 2006-08-25 David B. Hiebert Buse d'aspiration

Also Published As

Publication number Publication date
DE102008041231B4 (de) 2015-12-24
DE102008041231A1 (de) 2010-02-25
RU2011109109A (ru) 2012-09-20
EP2330961A1 (fr) 2011-06-15
WO2010018101A1 (fr) 2010-02-18

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