EP3095369B1 - Buse d'aspiration pour produits grossiers et poussiere fine - Google Patents

Buse d'aspiration pour produits grossiers et poussiere fine Download PDF

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Publication number
EP3095369B1
EP3095369B1 EP16168569.8A EP16168569A EP3095369B1 EP 3095369 B1 EP3095369 B1 EP 3095369B1 EP 16168569 A EP16168569 A EP 16168569A EP 3095369 B1 EP3095369 B1 EP 3095369B1
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EP
European Patent Office
Prior art keywords
suction
suction mouth
lateral
central
sections
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.)
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Application number
EP16168569.8A
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German (de)
English (en)
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EP3095369A1 (fr
Inventor
Markus Cornelissen
Dominik Diesch
Dirk Hellrung
Frank Lichtenauer
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.)
Vorwerk and Co Interholding GmbH
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Vorwerk and Co Interholding GmbH
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Publication of EP3095369A1 publication Critical patent/EP3095369A1/fr
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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
    • A47L9/02—Nozzles
    • 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
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0693—Specially shaped nozzles, e.g. for cleaning radiators, tubes, fans or the like; Dusters

Definitions

  • the invention relates to a suction nozzle for a vacuum cleaner for sucking dirt and / or dust from a floor by means of a Saugluftströmung with a housing, a suction chamber formed within the housing, opening into the suction chamber suction channel for guiding the Saugluftströmung and a bottom opening of the suction chamber formed suction port, wherein the suction mouth has a central suction mouth portion and two lateral suction mouth sections, and wherein the suction mouth is formed such that a proportion of ⁇ 40% and ⁇ 65% of Saugluftströmung flows through the central suction mouth section.
  • Such a suction nozzle is from the US 2012/0000033 A1 known.
  • Suction nozzles also known as attachments, abbreviated as nozzles or depending on the purpose as hard floor or carpet nozzles, are known in practice and are usually used together with a vacuum cleaner for sucking dirt and / or dust from a floor.
  • Vacuum cleaners with such suction nozzles regularly have a base housing in which an electrically operated suction fan motor is arranged to build up a suction air flow.
  • the suction nozzle is typically connected via a flexible suction hose and / or a handling tube, often also flow-tight directly to the base housing of the vacuum cleaner.
  • the suction nozzle is generally integrated into the basic housing itself.
  • a row of bristles or the like for releasing dirt and / or dust from a floor is often provided.
  • the so detached from the ground dust and / or dirt is entrained by the Saugluftströmung and usually secreted in a arranged in the base housing dust collecting space in a dust filter bag.
  • the dirt or dust to be cleaned off the floor is modeled on differentiate the respective particle size between coarse material and fine dust.
  • suction nozzles are known, while again other suction nozzles are designed for a particularly good absorption of fine dust.
  • hard floor nozzles are often not designed to absorb coarse material, while other suction nozzles exist, which can be manually switched by means of a foot switch between the inclusion of coarse material and fine dust.
  • a bristle strip is often extended out of the suction nozzle, by which the distance of the suction nozzle is increased to the ground, so that coarse material can be better absorbed or sucked.
  • suction nozzles known from the prior art either only satisfy one of the competing and therefore opposite requirements, ie are either predestined for coarse material or for fine dust absorption, or else have to be manually switched by the operator between different operating modes.
  • a suction nozzle which can be used universally for receiving dirt and / or dust of different particle size.
  • the suction nozzle to allow the inclusion of both coarse material and fine dust, without requiring an operating mode of the suction nozzle must be manually switched.
  • it is desirable that such a suction nozzle is characterized by a low pushing force and / or a low noise emission.
  • An essential point of the invention lies in the targeted division of the suction air flow between the central suction mouth section and the two lateral suction mouth sections, so that separate regions for the absorption of fine dust, in particular through the lateral suction mouth sections, and for coarse material, in particular through the central suction mouth section, are created ,
  • the individual through the lateral Saugmundabête and the central Saugmundabrough passing Saugluftströmonne meet in the region of the suction channel to each other, from where the Saugluftströmung is carried away with the sucked up dirt or dust from the ground, for example, through a connecting piece from the suction nozzle.
  • the proposed suction nozzle is characterized by a low pushing force. Since no manual switching of different operating modes for sucking fine dust and coarse material is necessary, the suction nozzle allows a particularly simple work. In addition, the suction nozzle is characterized in a further advantageous manner by a low noise emission. As a result, the proposed suction nozzle, by dividing the suction air flow between the central suction mouth section and the two side suction mouth sections, preferably flanking the central suction mouth section, enables a particularly high suction performance both in the absorption of fine dust and coarse material.
  • the side suction mouth portions are respectively bounded by inner and outer lateral flow seal means extending from the suction passage to the sides of the suction nozzle such that the central suction mouth portion is defined by the inner side flow seal means of the respective side suction mouth portions.
  • the lateral flow sealing means are configured as bristle strips, as a single or multi-row arrangement of bristle tufts, as a sealing lip and / or as a combination thereof.
  • the bristles or the sealing lip preferably extends perpendicularly away from the housing in the direction of the floor.
  • the flow seal means are flexible, so that when moving the suction nozzle in the usual direction on the ground befindliches coarse material or fine dust under the bristles or the sealing lip can pass into the central suction mouth and / or the lateral suction mouth.
  • the suction mouth has a shape in the manner of an isosceles triangle, wherein preferably the suction channel opens in the region of the tip between the legs of the triangle in the thus formed suction chamber, the central suction mouth section from the suction channel to the base of the isosceles triangle and the side suction mouth portions extend from the suction channel along the respective legs of the isosceles triangle to the tip-opposite corners of the isosceles triangle.
  • a coarse material region formed by the central suction mouth section is arranged in the forward stroke of the suction nozzle essentially in front of the fine dust region formed by the lateral suction mouth sections.
  • the lateral suction mouth sections preferably adjoin the central suction mouth section at the corners of the isosceles triangle arranged opposite the tip.
  • the two lateral suction mouth sections extend away from the suction channel in each case to one side of the suction nozzle in such a way that the angle between the longitudinal extension directions of the two lateral suction mouth sections is 45 ° ⁇ ⁇ ⁇ 160 °, preferably 90 ° ⁇ ⁇ ⁇ 135 °, very particularly preferably ⁇ ⁇ 135 °, or that the two lateral suction mouth sections extend away from the suction channel in a curve course relative to one another.
  • the central suction mouth section preferably has a triangular shape in the shape of an isosceles triangle whose Base is oriented towards the front of the suction nozzle.
  • the suction mouth has a further central suction mouth section and two further lateral suction mouth sections enclosing the further central suction mouth section, the central suction mouth section and the further central suction mouth section extending away from the suction channel in opposite directions such that the two lateral suction mouth sections and two further lateral suction mouth sections form an x-shaped arrangement.
  • a designed suction nozzle can accommodate coarse material both in the forward stroke and in the return stroke.
  • the suction nozzle in the forward stroke and in the return stroke is symmetrical, in particular designed mirror-symmetrical.
  • the suction channel in plan view represents the center of this embodiment, of which the central suction mouth section with the two lateral suction mouth sections and in particular mirror-symmetrically opposite the further central suction mouth section with the other lateral suction mouth sections extend away.
  • an operator instead of manually rotating a suction nozzle known from the prior art by 180 °, an operator can simply move the suction nozzle back and forth to receive coarse material in both the forward stroke and the return stroke.
  • the lateral flow sealing means extend linearly from the suction channel to the sides of the suction nozzle.
  • the outer lateral flow sealing means are preferably arranged on an edge of the suction nozzle and thus preferably extend along the entire edge.
  • the two outer flow sealing means are preferably configured in one piece and very particularly preferably curve into one another.
  • the suction channel preferably has a round or oval-shaped cross-section, which in Mouth area is at least partially limited by the outer lateral flow sealing means.
  • the lateral suction mouth sections are preferably opened, for example by a U-shaped side window through which particulate matter can flow into the respective lateral suction mouth section.
  • the coarse material region formed by the central suction mouth section is made more open with respect to the lateral suction mouth sections, for example by a larger opening width between bottom and effective nozzle edge of the central suction mouth section, so that a higher volume flow for receiving coarse material than the lateral suction mouth sections is produced.
  • the suction nozzle has a front flow seal means, which is designed and arranged to limit the central suction mouth section at least partially in the front side of the suction nozzle.
  • the front flow seal means preferably extends at the central suction mouth section between the two lateral suction mouth sections, wherein a gap is particularly preferably formed between the front flow seal means and the lateral suction mouth sections and the inner lateral flow seal means.
  • a means for acoustic shielding is provided, which is arranged in the central suction mouth portion in Saugluftströmungscardi between the front of the suction nozzle and the suction channel.
  • the acoustic shielding means is particularly designed such that the volume of suction air flow caused in the suction mode is not more than 80 dB (A).
  • the acoustic shielding means extends from the housing into the suction space, in one embodiment extending to the floor and in another configuration spaced from the floor.
  • the means for acoustic shielding may be designed as a plastic part, for example, be injected integrally with the housing of the suction nozzle, but it is also possible to provide a row of bristles, a bristle strip, a sealing lip or the like as a means for acoustic shielding.
  • the coarse material to be sucked up from the ground can easily pass through the bristle strips or the sealing lip in order to reach the central suction mouth section.
  • the lateral suction mouth sections are designed such that the width of the lateral suction mouth sections and / or the height of the lateral suction mouth sections between the suction channel and the sides of the suction nozzle are reduced or constant in a linear, step-shaped and / or curved manner.
  • the lateral suction mouth sections are preferably dimensioned the same and have a width of ⁇ 60 mm, ⁇ 50 mm, ⁇ 40 mm or ⁇ 30 mm or ⁇ 20 mm, ⁇ 25 mm or ⁇ 30 mm, very particularly preferably 33 mm in the region of the suction channel , In the region of the sides of the suction nozzle, the width of the lateral suction mouth section is preferably reduced in comparison, preferably by 10 mm, 6 mm, 5 mm or 2 mm.
  • the height of the lateral suction mouth section is preferably 20 mm, 22 mm, 25 mm or 30 mm.
  • the lateral suction mouth sections on the sides of the suction nozzle are preferably opened by a lateral, U-shaped window, which is preferably at least partially formed by the housing and the lateral flow seal means.
  • the lateral suction mouth section preferably has an angling, by which a further reduction of the width of the lateral Suction mouth section is caused by 2 mm, 5 mm or 10 mm.
  • the two inner flow sealing means preferably limit the passage of the suction air flow between the suction channel and the central suction mouth portion, wherein the opening width between the two inner flow seal means is preferably 30 mm, 32 mm, 37 mm or 40 mm, thus the proportion of ⁇ 40% and ⁇ 65 % of Saugluftströmung flows through the central suction mouth section.
  • Fig. 1 and 2 show a suction nozzle, also called floor nozzle, in bottom view according to a preferred embodiment of the invention in a schematic view.
  • the suction nozzle has a housing 1 made of plastic, on which the bottom side a bottom plate 2 is formed. Below the bottom plate 2, a suction chamber 3 is formed, in which a suction channel 4 opens and which forms a suction mouth 5 as a bottom-side opening. How out Fig. 1 can be seen, the bottom plate 2 and the suction mouth 5 on a shape in the manner of an isosceles triangle, the base is in the Vorhubraum the front of the suction nozzle.
  • the suction channel 4 is fluid-tight with a provided on the top of the housing 1 connecting piece, not shown, connected.
  • a handling pipe and / or a flexible hose can be connected in a flow-tight manner to a base housing of a vacuum cleaner, in which an electrically operated suction fan motor for establishing a suction air flow is arranged.
  • an electrically operated suction fan motor for establishing a suction air flow is arranged.
  • entrained dirt and / or dirt from the suction air flow from the floor to be cleaned is present Dust in a dust filter bag Mechanism.
  • the suction mouth 5 has a central suction mouth section 6 and two lateral suction mouth sections 7 flanking or enclosing the central suction mouth section 6.
  • the lateral suction mouth sections 7 extend linearly from the suction channel 4 to one corner 7 a of the isosceles triangle, so that the angle ⁇ between the longitudinal extension directions of the two lateral suction mouth sections 7 is 135 °.
  • the lateral suction flow sections 7 are limited by inner and outer lateral flow sealing means 8.
  • the outer lateral flow sealing means 8 extend from a respective corner 7a of the isosceles triangle along the respective leg and between the two legs, the suction channel 4 partially delimiting, part-circular in one another over ,
  • the complete back of the suction nozzle is limited by the outer lateral flow seal means 8, which are designed here as a row of bristles.
  • the inner lateral flow seal means 8 extend approximately parallel to the outer lateral flow seal means 8 away from the suction channel 4 in the direction of the corners 7a, so that on the suction channel 4 between the two inner lateral flow seal means 8, an air passage 9 is formed for the Saugluftströmung.
  • the air passage 9 in the present case has a width of 32 mm, while the two lateral suction mouth sections 7 each have a width of 33 mm in the region of the suction channel 4.
  • throttle characteristic As further described below. From the throttle characteristic can be derived, which Saugluftströmung or volume flows at the same pressure loss / difference for each suction mouth 6, 7 result. Specifically, it can be determined on a volume flow measuring path, which pressure differences result in a certain suction air flow. For this purpose, in each case a specific suction air flow can be set and then the correspondingly generated pressure difference over the entire volume flow measuring section on a smooth hard floor surface can be determined.
  • the lateral suction mouth sections 7 are closed and only the pressure loss via the central suction mouth section 6 is determined. From the measured throttle characteristics, the distribution of the suction air flow can now be determined by determining, for a given pressure difference, which intake air flow results in exactly this throttling in the individual suction mouth sections 6, 7. It is true that during operation the pressure differences across the individual suction mouth sections 6, 7 are always the same.
  • the lateral suction mouth sections 7 have a constant height of 22 mm along their extent. At their ends opposite the suction channel 4, the lateral suction mouth sections 7 each have a U-shaped window 10 as a lateral one Opening the suction nozzle on. Provided on the window 10 is a throttle wall (not shown) closing off the respective lateral suction mouth section 7, by means of which an opening width between the floor and the bottom edge of the window 10 facing the floor of 7.6 mm is formed. The width of the lateral suction mouth sections 7 is reduced from 33 mm at the suction channel 4 to 27 mm in the region of the window 10, wherein a further reduction of the width to 25 mm at the window 10 is effected by a bending of the respective lateral suction mouth sections 7 shown in the figures.
  • the central suction mouth 6 has a shape like an isosceles triangle, wherein the two inner lateral flow seal means 8 fluidly define the central suction mouth 6 at the legs.
  • the air passage 9 is arranged towards the suction channel 4, while opposite to the base 6a and coincident with the front side of the suction nozzle a front flow seal means 11 is provided for at least partial sealing of the central suction mouth section 6.
  • the front flow sealing means 11 is designed as a flexible sealing lip such that coarse material can pass through the sealing lip.
  • the coarse material that has arrived in the central suction mouth section 6 is detected by the suction air flow and sucked out through the suction channel 4.
  • the front flow sealant 11 extends from the bottom plate 2 to the bottom, with a gap of approximately 50 mm being formed laterally between the front flow sealant 11 and the corners 7a of the suction nozzle, respectively. In this way, the front flow sealing means 11 designed as a sealing lip can pivot into the suction chamber 3 when passing coarse material, without touching the inner lateral flow sealing means 8.
  • a means for acoustic shield 12 is provided to further reduce the noise emission, which in the present case, in the representations of FIGS. 1 and 2 , as formed integrally with the housing 1 shaped V-shaped bar, which is oriented from the bottom plate 2 towards the ground, but without touching the ground.
  • the acoustic shielding means 12 thus configured is disposed in the suction suction passage portion 6 in the suction air flow direction between the base 6a forming the front side of the suction nozzle and the suction passage 4.
  • the distance between the front flow sealing means 11 and the acoustic shielding means 12 is 15 mm, while the distance between the acoustic shielding means 12 and the inner lateral flow sealing means 8 is 22 mm in each case.
  • the acoustic shielding means 12 may also be formed of two approximately 5 cm long extending bristle strips, which are arranged at an angle of about 30 ° to each other so arranged on the bottom plate 2, that a direct acoustic emission from the suction channel 4 towards the Front is restricted.
  • the suction nozzle is also characterized by a very efficient coarse material intake, wherein due to the means for acoustic shield 12 as well as due to the front flow sealant 11 is a low noise emission.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (8)

  1. Buse d'aspiration pour un aspirateur servant à l'aspiration de saletés et/ou de poussière, à partir d'un sol, au moyen d'un flux d'air d'aspiration, ladite buse d'aspiration comprenant un boîtier (1), un espace d'aspiration (3) formé à l'intérieur du boîtier, un conduit d'aspiration (4) débouchant dans l'espace d'aspiration (3), ledit conduit d'aspiration servant au guidage du flux d'air d'aspiration, et comprenant une bouche d'aspiration (5) formée comme une ouverture, côté sol, de l'espace d'aspiration (3), où la bouche d'aspiration (5) présente une partie centrale (6) de la bouche d'aspiration et deux parties latérales (7) de la bouche d'aspiration, et où la bouche d'aspiration (5) est formée de manière telle, qu'une proportion ≥ 40 % et ≤ 65 % du flux d'air d'aspiration s'écoule à travers la partie centrale (6) de la bouche d'aspiration, caractérisée en ce que les deux parties latérales (7) de la bouche d'aspiration bordent la partie centrale (6) de la bouche d'aspiration, où les parties latérales (7) de la bouche d'aspiration sont délimitées à chaque fois par des moyens d'étanchéité de flux latéraux (8), intérieurs et extérieurs, s'étendant à partir du conduit d'aspiration (4) jusqu'aux côtés (9a) de la buse d'aspiration, lesquels moyens d'étanchéité de flux sont formés comme des bandes de poils, comme un agencement se composant d'une ou de plusieurs rangées de touffes de poils, comme une lèvre d'étanchéité et/ou comme une combinaison de ces mêmes éléments, de sorte que la partie centrale (6) de la bouche d'aspiration est délimitée par les moyens d'étanchéité de flux latéraux intérieurs (8) des parties latérales respectives (7) de la bouche d'aspiration.
  2. Buse d'aspiration selon la revendication 1, où la bouche d'aspiration (5) est formée de manière telle, qu'une proportion ≥ 42 % et ≤ 60 %, de préférence ≥ 44 % et ≤ 50 %, de façon tout particulièrement préférée qu'une proportion de 45 % du flux d'air d'aspiration s'écoule à travers la partie centrale (6) de la bouche d'aspiration.
  3. Buse d'aspiration selon l'une des revendications précédentes, où la bouche d'aspiration (5) présente une forme du type de celle d'un triangle isocèle, de préférence le conduit d'aspiration (4) débouche dans l'espace d'aspiration (3) formé dans la zone du sommet compris entre les côtés du triangle, de manière telle que la partie centrale (6) de la bouche d'aspiration s'étende à partir du conduit d'aspiration (4) jusqu'à la base (6a) du triangle isocèle, et que les parties latérales (7) de la bouche d'aspiration s'étendent à partir du conduit d'aspiration (4), le long des côtés respectifs du triangle isocèle, jusqu'aux angles (7a) du triangle isocèle, angles qui sont disposés à l'opposé du sommet.
  4. Buse d'aspiration selon l'une quelconque des revendications précédentes, où les deux parties latérales (7) de la bouche d'aspiration s'étendent, à partir du conduit d'aspiration (4), en s'écartant à chaque fois d'un côté de la buse d'aspiration, de manière telle, que pour l'angle α formé entre les directions d'étendue longitudinale des deux parties latérales (7) de la bouche d'aspiration, s'applique la relation 45° ≤ α ≤ 160°, de préférence 90° ≤ α ≤ 135°, de façon tout particulièrement préférée que l'angle α soit ≤ 135°, ou bien que les deux parties latérales (7) de la bouche d'aspiration s'étendent, à partir du conduit d'aspiration (4), en s'écartant l'une de l'autre suivant un profil de courbe.
  5. Buse d'aspiration selon l'une quelconque des revendications précédentes, où la bouche d'aspiration (5) présente une autre partie centrale de la bouche d'aspiration et deux autres parties latérales de la bouche d'aspiration bordent l'autre partie centrale de la bouche d'aspiration, et la partie centrale (6) de la bouche d'aspiration et l'autre partie centrale de la bouche d'aspiration s'étendent, à partir du conduit d'aspiration (4), dans des directions opposées, en s'écartant l'une de l'autre de manière telle, que les deux parties latérales (7) de la bouche d'aspiration et les deux autres parties latérales de la bouche d'aspiration constituent un agencement en forme de x.
  6. Buse d'aspiration selon l'une quelconque des revendications précédentes, comprenant un moyen d'étanchéité de flux (11), placé à l'avant, moyen d'étanchéité qui est réalisé et disposé pour délimiter la partie centrale (6) de la bouche d'aspiration, au moins partiellement, au niveau de la face avant de la buse d'aspiration.
  7. Buse d'aspiration selon l'une quelconque des revendications précédentes, comprenant un moyen servant à la protection acoustique (12), moyen qui est disposé, dans la partie centrale (6) de la bouche d'aspiration, entre le conduit d'aspiration (4) et la face avant de la buse d'aspiration disposée en étant à distance du conduit d'aspiration (4), dans la direction du flux d'air d'aspiration.
  8. Buse d'aspiration selon l'une quelconque des revendications précédentes, où les parties latérales (7) de la bouche d'aspiration sont réalisées de manière telle, que la largeur des parties latérales (7) de la bouche d'aspiration et/ou la hauteur des parties latérales (7) de la bouche d'aspiration, entre le conduit d'aspiration (4) et les côtés de la buse d'aspiration, diminue de façon linéaire, étagée et/ou suivant un profil courbe ou soit constante.
EP16168569.8A 2015-05-21 2016-05-06 Buse d'aspiration pour produits grossiers et poussiere fine Active EP3095369B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015108050.8A DE102015108050A1 (de) 2015-05-21 2015-05-21 Saugdüse zur Aufnahme von Grobgut und Feinstaub

Publications (2)

Publication Number Publication Date
EP3095369A1 EP3095369A1 (fr) 2016-11-23
EP3095369B1 true EP3095369B1 (fr) 2019-07-10

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EP (1) EP3095369B1 (fr)
JP (1) JP2016221262A (fr)
CN (1) CN106166045B (fr)
DE (1) DE102015108050A1 (fr)
ES (1) ES2740106T3 (fr)
TW (1) TWI615121B (fr)

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DE102018201237A1 (de) * 2018-01-26 2019-08-01 Vorwerk & Co. Interholding Gmbh Vorsatzgerät für einen Staubsauger
CN113197519A (zh) * 2021-05-13 2021-08-03 深圳市云视机器人有限公司 一种防毛发缠绕的扫地机器人
FR3125954B1 (fr) 2021-08-04 2023-07-21 Seb Sa Suceur d’aspirateur pourvu d’un organe de raclage avant en forme de V

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Publication number Publication date
ES2740106T3 (es) 2020-02-05
EP3095369A1 (fr) 2016-11-23
JP2016221262A (ja) 2016-12-28
CN106166045B (zh) 2021-07-16
CN106166045A (zh) 2016-11-30
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DE102015108050A1 (de) 2016-11-24
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