EP2595521B1 - Tuyau d'aspirateur - Google Patents

Tuyau d'aspirateur Download PDF

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Publication number
EP2595521B1
EP2595521B1 EP11730953.4A EP11730953A EP2595521B1 EP 2595521 B1 EP2595521 B1 EP 2595521B1 EP 11730953 A EP11730953 A EP 11730953A EP 2595521 B1 EP2595521 B1 EP 2595521B1
Authority
EP
European Patent Office
Prior art keywords
hose
tube
inner diameter
internal diameter
vacuum 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.)
Not-in-force
Application number
EP11730953.4A
Other languages
German (de)
English (en)
Other versions
EP2595521A1 (fr
Inventor
Florian Schmitt
Alexander Flegler
Julian Kastner
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 Bosch und Siemens Hausgeraete 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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2595521A1 publication Critical patent/EP2595521A1/fr
Application granted granted Critical
Publication of EP2595521B1 publication Critical patent/EP2595521B1/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
    • 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
    • A47L9/248—Parts, details or accessories of hoses or pipes

Definitions

  • the present invention relates to a one-piece hose for a vacuum cleaner for the transport of dust-laden suction air.
  • a normal hose viewed from manufacturing tolerances, has a constant average diameter over its length.
  • JP 5 103741 A or the US 2004/0007278 A1 shown hose has a constant average diameter over its length.
  • a vacuum cleaner is known with a hose whose inside and outside diameters gradually increase from one end of the hose attached to a fitting part for a nozzle to the other end of the hose to be attached to the vacuum cleaner.
  • the invention has for its object to provide an improved hose for a vacuum cleaner.
  • a hose with a reduced flow resistance should be able to be provided.
  • a hose can be provided, which allows a more comfortable for the user suction.
  • a hose for a vacuum cleaner can e.g. a vacuum cleaner nozzle are connected to a vacuum cleaner to pick up dust and transported to the vacuum cleaner.
  • one end of the hose with the vacuum cleaner nozzle, a handle or a dust tube and the other end of the hose with a suction port or a suction nozzle of the vacuum cleaner are connected, usually via a designated fixed to the hose fitting so that the dust-laden suction over the one end, which can be referred to as access, flow into the suction hose and can leave the suction hose again via the other end, which can be referred to as the outlet.
  • one end of the hose without attached vacuum cleaner nozzle can be used for dust absorption.
  • the hose for a vacuum cleaner is flexible for the user to use the vacuum cleaner nozzle, e.g. a floor nozzle can move relative to the vacuum cleaner without having to move the vacuum cleaner.
  • the one-piece tube according to the invention consists of a uniform material and advantageously has the same flexibility along its longitudinal extent. He can e.g. be made by extrusion blowing or winding and gluing a profile strip.
  • the inner diameter of the tube is determined by the tube cross-section, which is oriented perpendicular to the longitudinal extent of the tube. If the shape of the tube cross-section deviates from a circle, it is transformed into a circle of equal surface area. To determine the tube cross-section and thus the inner diameter of the inner envelope surface of the tube is considered.
  • the inner envelope surface is e.g. at a corrugated hose profile at the points with the lowest locally internal diameter on the hose.
  • the average inner diameter of the tube is the integral of the inner diameter of the tube over the length L of the tube divided by the length L of the tube. If a connection area is formed at one or both ends of the hose, this is not taken into account in the determination of the average inner diameter. This means that neither the inner diameter of a connection area during integration nor the length of a connection area when determining the length L be considered.
  • the length L is therefore the length of the portion of the hose that terminates at the ends of the hose or at the connecting portions.
  • a connection area is the area at one end of a hose through which the hose can be connected to a vacuum cleaner part.
  • the hose may e.g. be introduced over the length of the connection area in a suction opening of the vacuum cleaner.
  • the connection area of a hose for a simplified insertion of the hose into the suction opening is cylindrical.
  • a vacuum cleaner part may e.g. a connecting piece, a handle, a suction tube, a nozzle or a vacuum cleaner housing.
  • "greater than” means at least 10%, preferably 20%, preferably 30%, preferably 40%, preferably 50% "greater than”.
  • a hose according to the invention e.g. may be designed bulbous, by conventional methods, such. be made by winding a profile strip or by extrusion blowing.
  • the flow resistance of the hose can be reduced and the hose is also used for conventional vacuum cleaner.
  • the inventors have recognized that the flow resistance can be improved by designing only the portion of the tube between the two ends or between the respective terminal portions, without the ends or the terminal portions to change.
  • the flow resistance of the hose can thus be reduced independently of the ends and / or of the connection regions of the hose, so that the hose can also be connected to conventional and / or standardized vacuum cleaner parts, such as connecting pieces, handles or nozzles.
  • conventional and / or standardized vacuum cleaner parts such as connecting pieces, handles or nozzles.
  • an ergonomic use of the hose can be achieved, since the hose can be connected, for example, with a standard handle, which is already optimized in its diameter for handling.
  • the inner diameter of the tube is smaller at both ends than the inner diameter at at least one point between the two ends. This means that the tube expands along its length and then rejuvenates, creating a region of increased internal diameter between the ends.
  • the inner diameter of the ends of the hose can be identical or different from each other.
  • the average inner diameter of the tubing is greater than the sum of L1 * (D1 + D2) / 2 and L2 * (D2 + D3) / 2 divided by the sum of L1 and L2, considering one tubing area D3 is the inner diameter at one end of the hose portion, L2 is the distance from the end having the inner diameter D3 to a maximum position having the maximum inner diameter D2, and L1 is the distance from the other end of the hose area up to the maximum point. So are arranged at one or both ends of the hose connection areas, instead of the end of the hose, the end of the hose area is considered, which ends at a connection area. The sum of L1 and L2 thus gives the length L of the hose, that of the length of the hose area equivalent. If the hose has the maximum inner diameter at more than one point, the maximum point can be any of these points.
  • a hose preferred according to the invention has a cylindrical section whose inner diameter is greater than the minimum inner diameter D1.
  • This cylindrical portion is preferably located between the two ends.
  • the length of the cylindrical portion is particularly preferably at least 10% of the length L of the hose. More preferably, the length of the cylindrical portion is at least a multiple of 10% of the length L of the tube, the multiple being an integer between 2 and 9.
  • the cylindrical portion adjoins a transition section of the hose.
  • the pitch of the hose here is preferably greater than (D2-D1) / L at at least one point of the transition section.
  • connection area is formed at the connection area.
  • the connection region preferably has an axial length of up to 50 mm.
  • the axial length of the connection area may exceed 50 mm.
  • the connection area formed at the end of the hose is cylindrical.
  • the inner diameter of the cylindrical connection portion corresponds to the inner diameter of the end of the hose.
  • the hose has a connection region at both ends. In this embodiment of the invention, both connection regions or only one connection region can be cylindrical.
  • a connection region is formed at both ends of the tube, and the tube has a cylindrical section between the two connection regions.
  • the length of the cylindrical section may be between 10% and 100% of the length of the area between the two terminal areas. More preferably, the length of the cylindrical portion is at least a multiple of 10%, the multiple being an integer between 2 and 9 can be.
  • the tube With a cylindrical section whose length is 100% of the length of the area between the two terminal areas, the tube has a vertical transition between the terminal areas and the cylindrical section. The course of the tube is thus stepped in this case. Of course, the tube may have a vertical transition even if the length of the cylindrical section is less than 100%.
  • the inner diameter at one end of the tube is the minimum inner diameter D1.
  • the inner diameter of the hose at each point between the two ends is greater than the smaller inner diameter of the two ends.
  • the maximum flow rate of the suction air flow is at the end of the hose having the minimum diameter D1, whereby the noise can be further improved.
  • both ends of the tube have the same inner diameter.
  • the ends of the hose can be optionally connected to the vacuum cleaner or a vacuum cleaner nozzle.
  • a conventional, cylindrical tube whose diameter is constant over the entire tube length can advantageously be replaced by the tube according to the invention without the need for additional adapters.
  • the orientation of the winding can be freely determined by selecting the ends. This achieves a further reduction of the flow resistance for the suction air flow. A reduced flow resistance for the suction air flow may be e.g. result if the hose has a winding wound in the direction of the suction air flow on the right.
  • the inner diameter of the tube at both ends of the minimum inner diameter D1 wherein the inner diameter of the tube at both ends is less than the inner diameter of the tube at each point between the two ends.
  • the inner diameters of the ends have different sizes.
  • the hose can be used in already existing model series, in which the diameter of the suction opening is increased to optimize the suction power.
  • the quotient D1 / D2 exceeds the value 0.64.
  • a reduced flow resistance can be achieved with optimum hose geometry.
  • the maximum inner diameter D2 is a maximum of 50 mm.
  • a stable hose can be reached and a kinking of the hose, e.g. during suction operation can be avoided.
  • such a hose can be easily grasped by the user so that convenient handling of the hose, e.g. for stowing or mounting on the vacuum cleaner can be made possible.
  • Such a hose can also ensure that the flow rate is sufficiently high to be able to transport the dust.
  • the shape of the tube cross-section over the hose length is constant.
  • the shape is then constant over the length of the tube if the cross-sectional shapes at each point of the tube are geometrically similar. Due to the constant shape of the tube cross-section, the flow resistance can be further reduced because turbulence due to a changing geometry can be avoided.
  • the shape of the tube cross-section is rotationally symmetrical.
  • Such a shape can be easily obtained by the usual production methods, e.g. achieve by extrusion blowing.
  • the shape of the tube cross-section is circular, which is particularly suitable for the vacuum cleaner operation.
  • the cross-sectional surfaces of the tube are arranged coaxially to each other.
  • the cross-sectional areas are then coaxial with each other when the centers of gravity are on an axis, the tube being viewed in an extended state.
  • the cross-sectional areas are perpendicular to the direction of the suction air flow, wherein the direction of the suction air flow preferably corresponds to the longitudinal extension of the hose.
  • the pitch of the tube between the location of the tube with the minimum diameter D1 and the point with the maximum diameter D2 is continuous.
  • the pitch of the hose is a function of the inner diameter, which indicates the change in the inner diameter over the length of the hose, ie over the length of the hose.
  • the tube therefore has a smooth transition between the point of minimum diameter and the point of maximum diameter.
  • this does not mean that the inner diameter of the tube constantly increases or decreases between the point of minimum diameter D1 and the point of maximum diameter D2.
  • the pitch of the tube runs continuously between the two ends of the tube.
  • this can give the impression of a cylindrically shaped hose, which can lead to a higher acceptance of the buyer, to which a cylindrical hose is already known.
  • the pitch of the hose between the location of the hose having the minimum diameter D1 and the location having the maximum diameter D2 is discontinuous. This means that the pitch of the hose abruptly changes value at least at one point between the minimum diameter location and the maximum diameter location. At this point, the slope has a discontinuity that may appear as the edge of the tube. Also in this embodiment, the inner tube diameter does not necessarily have to constantly increase or decrease from the point of minimum diameter to the point of maximum diameter. Due to the discontinuous slope, the inner volume of the hose can be further increased, which can lead to a further reduction of the flow resistance.
  • the present invention makes it possible to provide a hose for a vacuum cleaner, which can have a reduced flow resistance, with simple constructive and inexpensive means.
  • a hose with reduced flow resistance can be provided which can replace conventional hoses and be used with conventional vacuum cleaners.
  • a hose with reduced noise can be provided, which can lead to a more pleasant suction operation.
  • Fig. 1 shows a vacuum cleaner 1 with a hose 10th
  • Fig. 2 is a section along the longitudinal extent of the tube 10 and shows the course of an inner diameter of the tube 10.
  • Fig. 3 is the hose profile after detail A off Fig.2 shown.
  • the vacuum cleaner 1 is movable by rollers, not shown, on a floor and includes a suction motor, also not shown, which can be set by means of an operating switch 5 in function to generate a negative pressure.
  • dust-laden air is generally sucked from a suction port 3 of the vacuum cleaner 1, passed through a Staubabscheideiki not shown, and then released at a grid 7 substantially freed from dust again.
  • there is a suction air flow which flows through the hose 10 and the vacuum cleaner in a flow direction 33.
  • the vacuum cleaner 1 is equipped with a one-piece, flexible hose 10, which can also be referred to as a vacuum cleaner hose.
  • a respective 50 mm long connection portion 23 is formed, on each of which a connection piece 15 can be plugged and connected to the hose 10.
  • the connected to the integral tube 10 connecting piece 15 are in Fig. 2 not shown for purposes of illustration.
  • the hose 10 is connected via a connecting piece 15 with the suction port 3 of the vacuum cleaner 1.
  • the hose 10 can be connected to a suction pipe or a nozzle to guide a suction air flow from the vacuum cleaner nozzle or the suction pipe through the hose 10 to the vacuum cleaner 1, so that the dust-laden suction air to Staubabscheideiki, not shown, of the vacuum cleaner. 1 can be transported.
  • the suction air can therefore flow into the hose 10 via an end 13 and leave the hose 10 via the other end 13 again.
  • the hose 10 has a hose length 29 of 1600 mm and is uniformly flexible over its entire hose length 29. In this way, the user can move the nozzle or the suction pipe during suction independent of the vacuum cleaner 1, so that a comfortable use of the vacuum cleaner 1 is made possible.
  • the tube 10 was made by wrapping and gluing a profile strip 31, and thus consists made of a material, namely that of the profile strip 31.
  • the shape of the profile strip is made Fig. 3 seen.
  • the inner diameter of the circular cross-section tube 10 is at both ends 13 of the tube 10, the minimum inner diameter D1, so that the inner diameter of the tube 10 at both ends 13 is smaller than the inner diameter at least one point between the two ends.
  • the inner diameter of the two formed at the ends 13 connecting portions 23 is identical to the inner diameter of the respective end 13 and is 32 mm. Since the inner diameter at the two ends 13 of the hose 10 is identical, the hose 10 may also be used instead of a conventional cylindrical hose whose inner diameter remains constant over its entire length.
  • the tube 10 has a cylindrical portion 21 with a length of 700 mm, whose inner diameter is the maximum inner diameter D2 and which is 38 mm.
  • the inner diameter of the cylindrical portion 21 is thus larger than the minimum inner diameter D1 at both ends 13 of the tube 10 and the quotient D1 / D2 is 0.84 so that it exceeds 0.64.
  • the inner volume of the hose is increased, resulting in a reduced flow velocity of the suction air flow in the cylindrical portion 21. As a result, the flow resistance of the hose 10 is reduced.
  • the hose 10 has two transition sections 27 with a length of 400 mm in each case, in which the inner diameter of the hose 10 expands and tapers again in the flow direction 33 of the suction air flow.
  • a transition portion 27 in which the inner diameter of the hose 10 widens, the cylindrical portion 21, a transition portion 27, in which the inner diameter of the tube 10 tapers again, and a connection region 23 is subdivided.
  • the inner diameter of the tube 10 exceeds the minimum inner diameter D1 in the part of the tube which lies between the two connection regions 23 and which is composed of the cylindrical section 21 and the two transitional sections 27.
  • the length L of this part is 1500 mm. Since the tube 10 a cylindrical portion 21, whose inner diameter is constant over a certain length of the tube 10, the slope of the tube 10 at the two transitional portions 27 and thus at least one point between the two ends of the tube 10 is greater than (D2-D1) / L , In the transitional sections 27, the hose has a pitch which deviates from zero, so that the hose widens in a transition section 27 in the flow direction 33 of the suction air flow and tapers in the other transition section 27 in the flow direction 33 of the suction air flow. The inner diameter of the tube 10 thus increases and decreases in the two transition sections 27.
  • the average inner diameter of the hose area is considered, which ends with its two ends 19 at the terminal portions 23.
  • the average inner diameter of the hose is greater than (D1 + D2) / 2, because in the region of the hose 10 between the two connecting portions 23, which are not taken into account for the determination of the average inner diameter, a cylindrical portion 21 is formed whose inner diameter maximum inner diameter is D2. This will be checked by calculation in the following paragraph.
  • the integral of the inner diameter between the two connection areas whose value is 54600 mm 2 is determined first. Subsequently, the value of this integral is divided by the length L of the area between the two terminal portions 23 so as to give an average inner diameter of 36.4 mm which is larger than 35 mm.
  • the hose has an edge 37, which arises because the pitch of the hose 10 between the connection regions 23 and the transitional sections 27 and between the transition portions 27 and the cylindrical portion 21 abruptly changes the value and in the respective transition section 27 is linear.
  • the slope of the tube 10 thus runs discontinuously between the location of the tube 10 with the minimum diameter D1 and the point with the maximum diameter D2.
  • the tube cross-section has the shape of a circle, so it is rotationally symmetric.
  • the hose length 29 only the inner diameter of the hose 10 changes, That is, the size of the tube cross section, so that the shape of the tube cross section over the tube length 29 is constant.
  • the centroid of all cross-sectional areas of the tube 10 lies on the tube axis 35, so that the cross-sectional areas of the tube 10 are arranged coaxially with one another.
  • the tube 10 is made by extrusion blowing and has a corrugated tube profile.
  • the inner diameter of the inner envelope surface 39 of the tube 10 is considered in this case, which abuts the hose 10 at the locations with the locally lowest inner diameter.
  • the hose 10 between the connecting portions 23 and the cylindrical portion 21 has a smooth transition, wherein the pitch of the hose 10 between the location of the hose with the minimum diameter D1 at the connection portion 23 and the point with the maximum diameter D2 on the cylindrical portion 21 is continuous.
  • the hose 10 can be found by winding and gluing a profile strip 31, see Fig. 3 , or by extrusion blowing, see Fig. 4 , be prepared, wherein FIG. 3 and FIG. 4 Detail A off Fig. 5 demonstrate.
  • the inner diameter of the tube 10 at one end 13 corresponds to the inner diameter of the cylindrical portion 21.
  • the two ends 13 of the tube 10 thus have different inner diameters.
  • the hose 10 has only one transition section 27, in which the inner diameter of the minimum inner diameter D1 increases to the maximum inner diameter D2 in the flow direction 33 of the suction air flow.
  • the hose 10 can be found by winding and gluing a profile strip 31, see Fig. 3 , or by extrusion blowing, see Fig. 4 , be prepared, wherein FIG. 3 and FIG. 4 Detail A off Fig. 6 demonstrate.
  • the inner diameter of the ends 13 have different sizes, wherein the inner diameter of the tube 10 at both ends 13 is smaller than the inner diameter of the tube 10 at the cylindrical portion 21.
  • the other end has an inner diameter D3, which is between the minimum inner diameter D1 and the maximum inner diameter D2 and 35 mm.
  • the length L of the hose region between the two connection regions 23 is in this case composed of a length L1 and a length L2.
  • the hose region with the length L of 1500 mm terminates at the two connection regions 23, and has the minimum diameter D1 at one end 19 and the inner diameter D3 at the other end 19.
  • This hose region is composed of the two transitional sections 27 and the cylindrical section 21.
  • the length L2 is the distance from the end 19 with the inner diameter D3 to a maximum point 17 with the maximum inner diameter D2.
  • the length L1 is the distance from the other end 19 of the hose portion to a maximum point 17 with the maximum inner diameter D2.
  • the length L of the hose region between the two connection regions 23 is thus the sum of L1 and L2.
  • the average inner diameter of the tube 10 is greater than the sum of L1 * (D1 + D2) / 2 and L2 * (D2 + D3) / 2 divided by the sum of L1 and L2, as in the tube area between the two terminal areas 23, which are not considered for the determination of the average inner diameter, a cylindrical portion 21 is formed whose inner diameter is the maximum inner diameter D2.
  • the hose 10 can be found by winding and gluing a profile strip 31, see Fig. 3 , or by extrusion blowing, see Fig. 4 , be prepared, wherein FIG. 3 and FIG. 4 Detail A off Fig. 7 demonstrate.
  • the present invention makes it possible to provide a hose for a vacuum cleaner, which can have a reduced flow resistance, with simple constructive and inexpensive means.
  • a hose with reduced flow resistance can be provided which can replace conventional hoses and be used with conventional vacuum cleaners.
  • a hose with reduced Noise can be provided, which can lead to a more pleasant suction operation.

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

Claims (14)

  1. Tuyau (10) flexible d'une seule pièce pour un aspirateur (1), destiné à transporter de l'air aspiré chargé de poussière, caractérisé en ce que le diamètre intérieur moyen du tuyau (10) est plus grand que (D1 + D2)/2, D1 désignant le diamètre intérieur minimal et D2 désignant le diamètre intérieur maximal.
  2. Tuyau (10) selon la revendication 1, caractérisé en ce que le diamètre intérieur du tuyau (10) aux deux extrémités (13) est respectivement plus petit que le diamètre intérieur à au moins un endroit entre les deux extrémités (13).
  3. Tuyau (10) selon la revendication 1 ou 2, caractérisé en ce que le diamètre intérieur moyen du tuyau (10) est plus grand que la somme de L1* (D1 + D2)/2 et de L2* (D2 + D3)/2 divisée par la somme de L1 et L2, une partie du tuyau étant prise en considération, laquelle se termine aux extrémités du tuyau ou à des parties de raccordement des extrémités du tuyau, et D3 désignant le diamètre intérieur à une extrémité (19) de la partie de tuyau, L2 désignant l'écart entre l'extrémité (19) ayant le diamètre intérieur D3 et un endroit maximal (17) ayant le diamètre intérieur maximal D2, et L1 désignant l'écart allant de l'autre extrémité (19) de la partie de tuyau jusqu'à l'endroit maximal (17).
  4. Tuyau (10) selon la revendication 1 ou 2, caractérisé en ce que le tuyau (10) présente une section cylindrique (21) dont le diamètre intérieur est plus grand que le diamètre intérieur minimal D1.
  5. Tuyau (10) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une partie de raccordement (23) est réalisée à au moins une extrémité (13) du tuyau (10).
  6. Tuyau (10) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une partie de raccordement (23) est réalisée aux deux extrémités (13) du tuyau (10), et en ce que le tuyau (10) présente une section cylindrique (21) entre les deux parties de raccordement (23).
  7. Tuyau (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le diamètre intérieur à une extrémité (13) du tuyau (10) est le diamètre intérieur minimal D1.
  8. Tuyau (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que les deux extrémités (13) du tuyau (10) présentent le même diamètre intérieur.
  9. Tuyau (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le quotient D1/D2 dépasse la valeur 0,64.
  10. Tuyau (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que la forme de la section transversale du tuyau est constante sur la longueur du tuyau (29).
  11. Tuyau (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que la forme de la section transversale du tuyau est à symétrie de rotation.
  12. Tuyau (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que les aires de la section transversale du tuyau (10) sont disposées de manière coaxiale les unes par rapport aux autres.
  13. Tuyau (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que la pente du tuyau (10) entre l'endroit du tuyau (10) ayant le diamètre minimal D1 et l'endroit ayant le diamètre maximal D2 s'étend de manière continue.
  14. Tuyau (10) selon l'une quelconque des revendications 1 à 11, caractérisé en ce que la pente du tuyau (10) entre l'endroit du tuyau (10) ayant le diamètre minimal D1 et l'endroit ayant le diamètre maximal D2 s'étend de manière discontinue.
EP11730953.4A 2010-07-21 2011-07-05 Tuyau d'aspirateur Not-in-force EP2595521B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010031605 DE102010031605B4 (de) 2010-07-21 2010-07-21 Schlauch für einen Staubsauger
PCT/EP2011/061300 WO2012010411A1 (fr) 2010-07-21 2011-07-05 Tuyau flexible pour aspirateur

Publications (2)

Publication Number Publication Date
EP2595521A1 EP2595521A1 (fr) 2013-05-29
EP2595521B1 true EP2595521B1 (fr) 2015-03-18

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Application Number Title Priority Date Filing Date
EP11730953.4A Not-in-force EP2595521B1 (fr) 2010-07-21 2011-07-05 Tuyau d'aspirateur

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EP (1) EP2595521B1 (fr)
DE (1) DE102010031605B4 (fr)
WO (1) WO2012010411A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014109743A1 (de) * 2014-07-11 2016-01-14 Miele & Cie. Kg Saugschlauch für einen Staubsauger und Staubsauger mit einem solchen Saugschlauch
EP3649847B1 (fr) 2015-05-28 2021-10-27 Husqvarna AB Souffleur avec atténuation sonore améliorée
DE102016214312B4 (de) * 2016-08-03 2024-01-18 Fränkische Industrial Pipes GmbH & Co. KG Kunststoffschlauch für ein Sauggerät

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB377555A (en) * 1930-12-18 1932-07-28 Electrolux Ltd Improvement in suction or like conduits for vacuum cleaners
JP2773488B2 (ja) * 1991-10-18 1998-07-09 株式会社日立製作所 電気掃除機
US20040007278A1 (en) * 2002-06-06 2004-01-15 Williams Robert M. Flexible conduit and method for forming the same
DE202005011014U1 (de) * 2005-07-13 2005-11-03 Sieberg, Jürgen Walter Flexible Saugverlängerung für Staubsauger
DE102008041231B4 (de) * 2008-08-13 2015-12-24 BSH Hausgeräte GmbH Staubsaugerschlauch und Schlauchaufsatz für einen Staubsauger mit erhöhter Saugleistung

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DE102010031605A1 (de) 2012-01-26
WO2012010411A1 (fr) 2012-01-26
EP2595521A1 (fr) 2013-05-29
DE102010031605B4 (de) 2014-01-02

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