EP3409169A1 - Robot de nettoyage par aspiration - Google Patents

Robot de nettoyage par aspiration Download PDF

Info

Publication number
EP3409169A1
EP3409169A1 EP18172809.8A EP18172809A EP3409169A1 EP 3409169 A1 EP3409169 A1 EP 3409169A1 EP 18172809 A EP18172809 A EP 18172809A EP 3409169 A1 EP3409169 A1 EP 3409169A1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
suction mouth
projection
suction
projections
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.)
Granted
Application number
EP18172809.8A
Other languages
German (de)
English (en)
Other versions
EP3409169B1 (fr
Inventor
Stefan Hassfurter
Markus Kühnel
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
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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3409169A1 publication Critical patent/EP3409169A1/fr
Application granted granted Critical
Publication of EP3409169B1 publication Critical patent/EP3409169B1/fr
Active 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls
    • 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation

Definitions

  • the invention relates to a Saugtherapiesroboter, in particular a Saugtherapiesroboter with an improved Saugmundabdichtung.
  • the International Publication WO 2015/082 019 A1 discloses a self-propelled and self-steering floor cleaning device, the at least one cleaning unit comprises a dirt collecting container, a dirt inlet opening and a dirt outlet opening, wherein the dirt outlet opening is formed on the bottom wall.
  • the floor cleaning device has a arranged on the dirt outlet valve means which is lufttownbetätigbar for transferring from the closed position to the open position.
  • the floor cleaning device also has horn-shaped projections on the dirt outlet opening.
  • the invention has for its object to provide a Saugquessroboter with an improved Saugmundabdichtung available.
  • the object of the invention is achieved by a vacuum cleaner with the features of claim 1.
  • the vacuum cleaner is equipped with a suction fan for generating a suction air flow and a suction mouth arranged in a base of the vacuum cleaner, which is in flow communication with the suction fan, wherein projections are provided on a suction mouth, which project from the base.
  • the inner and / or outer side surface (s) of at least one projection, preferably all projections, is or are curved about a first axis extending parallel to the direction of movement of the suction mouth when the vacuum cleaner is in operation.
  • This axis is arranged on the side facing the interior of the respective projection, so that, as far as the inside of the projection is mentioned, the surface is concave and as far as the outside of the projection is mentioned, the surface is convex.
  • the base is an area that faces the surface to be cleaned when the vacuum cleaner is intended to operate.
  • all projections of the vacuum cleaner robot are formed as described above.
  • the suction mouth edge is formed by the bottom cleaning roller facing edge (s) of the projection or the projections.
  • the shape of the bottom cleaning roller facing edge of the projection is formed by a geometric section of the curved inside or outside surface with an imaginary envelope surface of the floor cleaning roller.
  • the editing operation is here in the constructive context and not in the context of production.
  • the projection is therefore not necessarily produced by a cutting process, but constructed so geometrically.
  • the preferred surface (s) of the inside and / or the outside is or are mirror-symmetrical with respect to a plane extending substantially perpendicular to the longitudinal extent of the suction mouth and substantially in the direction of movement of the vacuum cleaner in its intended operation.
  • the preferred inside or outside surface (s) is or are rotationally symmetric with respect to the longitudinal extent of the suction mouth and / or with respect to the direction of movement of the suction mouth in its intended operation.
  • the vacuum cleaner according to the invention advantageously has a particularly favorable geometry at the suction mouth. Due to the shape and the arrangement of the at least one projection, the inlet openings in the suction mouth can also be designed by the invention so that a particularly good intake of coarse dirt is possible without this gets stuck, is pushed in front of the suction mouth or run over by the suction mouth will be without being included.
  • the curved geometry of the projection or projections avoids edges so that obstacles can be more easily overcome.
  • a vacuum cleaner in the sense of the present invention is a device which can generate a suction air stream which acts on an object, usually a surface, for example a floor surface, to receive particles such as dirt or dust particles, but also liquids from the object by being detected by the suction air flow and entrained (hereinafter also referred to as "suction").
  • a vacuum cleaner can achieve such a cleaning effect.
  • the vacuum cleaner is usually equipped with a suction fan for generating a suction air flow, wherein a suction mouth (hereinafter also referred to as suction) of the vacuum cleaner is in flow communication with the suction side of the suction fan.
  • the suction port is typically designed to be passed over a surface to be cleaned, for example a floor surface, to soak up the particles, for example dust or dirt.
  • the suction fan is usually in fluid communication with at least one dust removal device, for example, a generally replaceable dust filter bag, a filter device or a centrifugal separator. Dirt particles taken up by the suction air stream are generally collected in a dust collecting chamber, whereby in a vacuum cleaner with a dust filter bag, the dust filter is usually present in the dust collecting chamber.
  • the vacuum cleaner can be designed, for example, as a wet vacuum cleaner, as a dry vacuum cleaner or as a combined wet / dry vacuum cleaner.
  • the invention task is also solved by a cleaning robot, which is equipped with the vacuum cleaner according to the invention.
  • this cleaning robot is also referred to as vacuum cleaning robot.
  • a cleaning robot is a cleaning device that is capable of automatically moving relative to a surface to be cleaned and cleaning the surface completely or partially.
  • the cleaning robot is equipped with one or more cleaning devices.
  • the cleaning robot may be equipped with fixed or driven brushes, rollers, wipers, cloths or other cleaning equipment.
  • the cleaning robot can comprise a vacuum cleaner, for example a wet vacuum or a dry vacuum cleaner or a combined wet / dry vacuum cleaner.
  • a cleaning robot is usually equipped with a chassis.
  • the landing gear can be controlled, for example, by a controller which may be present in the cleaning robot or outside the cleaning robot.
  • the controller draws data for controlling the landing gear provided by one or more sensors which, at least in part, may be present in the cleaning robot or outside the cleaning robot.
  • Typical sensors include a mechanical collision sensor, a camera, an ultrasonic sensor, an infrared sensor, a distance sensor, an acceleration sensor, and a compass.
  • a cleaning robot may include or may be operatively connected to one or more mapping means.
  • Mapping means comprise, in particular, devices for receiving, storing or evaluating geometrical properties of the room in which the cleaning robot is to work or work.
  • the mapping tools can advantageously contribute to a planned navigation of the cleaning robot in the room.
  • Spaces can be exterior or interior spaces, for example, interiors of buildings such as living spaces or domestic spaces.
  • a cleaning robot is usually accumulator-operated. So that the accumulator of such a cleaning robot can be reloaded after a cleaning phase, a charging station separate from the cleaning robot can be provided.
  • the cleaning robot can be designed so that it automatically starts the charging station for charging the battery and / or automatically connects to the charging station.
  • the cleaning robot may comprise a wet vacuum and be designed to apply liquid to a surface to be cleaned and to suck the liquid by means of the wet vacuum again.
  • the cleaning robot may include other cleaning devices such as brushes, rollers, wipers, cloths or other cleaning devices.
  • the cleaning action of the vacuum cleaner is supported by these additional cleaning devices.
  • Cleaning robots that are equipped with a vacuum cleaner, collect dirt and dust usually in a arranged in the cleaning robot dust collector.
  • the space available on the cleaning robot is usually limited, so that the space provided for the dust collector is limited.
  • the cleaning robot can be designed so that it automatically starts to pick up the dust, the dust collection station and / or automatically connects to the dust collection station.
  • the dust collecting station can be designed as a dust collecting station connected to a charging station or as a dust collecting station separate from a charging station.
  • the projections are preferably arranged in relation to a preferred direction of movement of the vacuum cleaner in the intended operation front suction mouth edge. This embodiment of the invention advantageously achieves that the projections facilitate the passage of obstacles in the preferred direction of movement.
  • the vacuum cleaner has a floor cleaning roller arranged in the suction mouth, for example a rotatable brush.
  • the rotation axis of the brush preferably runs along the length of the suction mouth.
  • the preferred rotation axis is perpendicular to the direction of movement of the vacuum cleaner in its intended operation of the vacuum cleaner.
  • the axis of rotation runs parallel to a surface to be cleaned during its intended operation of the vacuum cleaner.
  • the preferred direction of rotation of the floor cleaning roller in the intended operation of the vacuum cleaner is chosen so that the part of the floor cleaning roller facing the surface to be cleaned moves in the direction of the projection or projections.
  • dust or dirt are absorbed through the projections in the vacuum cleaner.
  • envelope surface is to be understood as meaning a rotationally symmetrical surface whose elements have a uniform distance from the body which is rotationally symmetrical around the axis of rotation of the bottom roller and which is formed by rotation of the floor cleaning roller; while the distance can be the same Zero, but is preferably greater than zero.
  • the envelope surface is also a cylindrical surface with a radius of the same or, preferably, greater than the radius of the floor cleaning roller. With a larger radius can be advantageously achieved that the floor cleaning roller can be rotated during operation of the Saugquelsroboters without touching the projection or the projections.
  • the distance is less than 5 cm (centimeters), more preferably less than 2 cm, more preferably less than 1 cm, most preferably 5 mm (millimeters) or less.
  • the distance is preferably more than 1 mm, particularly preferably 2 mm or more.
  • the at least one projection has on the inside and / or outside the shape of a part of the surface of an ovoid.
  • the inside of the projection is concerned, the shape of a part of the concave inside of a spherical surface or the surface of an ovoid is meant;
  • the outside of the projection is concerned, the shape of a part of the convex outside of a spherical surface or the surface of an ovoid is meant.
  • An ovoid in the sense of the present invention is a three-dimensional rounded body.
  • the preferred ovoid is mirror-symmetrical with respect to a plane extending substantially perpendicular to the longitudinal extent of the suction mouth and substantially in the direction of movement of the suction mouth in its intended operation.
  • the ovoid is similar to an ellipsoid or an ellipsoid, for example a triaxial or a biaxial ellipsoid.
  • the preferred ovoid is rotationally symmetrical with respect to the longitudinal extension of the suction mouth and / or with respect to the direction of movement of the suction mouth in its intended operation.
  • an ovoid on the one hand is well suited as a flow restriction of an inlet channel and on the other hand allows a large cross section at the suction mouth edge, which allows a good seal to the suction mouth.
  • the invention also includes embodiments in which the inner and / or outer surface (s) have a different geometry, for example the shape of a part of the lateral surface of a cone.
  • combinations of parts of conical surface, Ovoid vom and cylindrical surfaces fall in the scope of the present invention.
  • a portion of the inner and / or outer surface of the at least one projection, particularly preferably all projections, facing the floor cleaning roller has the shape of a cylinder jacket, particularly preferably a circular cylinder jacket, the cylinder axis preferably being parallel to the preferred direction of movement of the suction mouth in the ordinary operation of the cylinder Vacuum cleaner runs.
  • a particularly favorable dust absorption can be achieved with advantage. It is also achievable that obstacles can be overcome particularly easily.
  • the inside and / or outside surface of the at least one projection is also curved around a second axis running perpendicular to the direction of movement of the suction mouth during intended operation of the vacuum cleaner and parallel to the longitudinal extension of the suction mouth, wherein also this second axis is arranged on the side of the projection (9) facing the interior of the device.
  • the radius of curvature about the second axis is less than the radius of curvature about the first axis (hereinafter referred to as first radius.)
  • the second radius is greater than 1 cm, more preferably equal to or greater than
  • the second radius is less than 6 cm, more preferably equal to or less than 4 cm, for example 3 cm
  • the first radius is greater than 2 cm, more preferably equal to or greater than 4 cm Radius smaller than 10 cm, more preferably equal to or smaller than 6 cm, for example 5 cm.
  • the suction mouth edge forms a wave contour toward the suction mouth. It is an achievable advantage of this embodiment of the invention that, for example, exposed cables can not or only with difficulty be pulled into the suction mouth. Nevertheless, with such a waveform, the brush roller can still easily down be removed.
  • the projections are spaced from each other in such a way that two adjacent projections, particularly preferably each mutually adjacent projections, between them form an open to the surface to be cleaned in the intended operation of the suction mouth to open surface.
  • the inlet channel bounded by two adjacent projections is funnel-shaped.
  • the projections protrude more than 5 mm, more preferably 10 mm or more beyond the base.
  • the protrusions protrude less than 5 cm, more preferably 2 cm or less beyond the base. It is an achievable advantage of this embodiment of the invention that there is only a small amount of friction between the floor covering and the vacuum cleaning robot. Experiments have shown that, for example, set at a height of between 5 mm and 2 cm good cleaning performance.
  • an impeller is arranged in a widened projection, particularly preferably for supporting the suction mouth on the surface to be cleaned. It is an achievable advantage of this embodiment of the invention that low-resistance rotational and driving movements are possible because the impeller is surrounded on all sides by bevels.
  • the suction mouth edge is curved concavely on the outside in the region between two projections. It is an achievable advantage of this embodiment of the invention that it defines a smooth and fully curved inlet area through which dirt is well transported. In addition, the risk of blockages or snagging of objects in the inlet region or of a snagging of the vacuum cleaning robot on objects is reduced.
  • the convex curvature and the concave curvature merge into one another. It is an achievable advantage of this embodiment of the invention that thus still a Smoother inlet area can be defined, which can lead to an even better cleaning performance and improved handling.
  • a radius of the convex curvature is smaller than a radius of the concave curvature.
  • the vacuum cleaning robot 1 comprises a controller 2, such as a microcontroller, which controls the functions of the vacuum cleaning robot 1.
  • the controller 2 is connected to a drive 3 of the chassis, which controls wheels 4, two of which are exemplified. Further, the controller 2 is connected to a suction fan 5 to control this. In particular, the suction power of the suction fan 5 can be increased or decreased.
  • the suction fan 5 is in fluid communication with a suction mouth 6. About the suction 6 dirt is absorbed by a surface to be cleaned.
  • the suction cleaning robot 1 mainly moves in a traveling direction F.
  • the term front or front area is defined here with respect to the traveling direction F of the suction cleaning robot 1.
  • a floor cleaning roller 7 is arranged.
  • FIG. 2 shows a perspective view from below of the suction mouth 6.
  • a plurality of spaced-apart projections 9 are formed.
  • the projections 9 project from a base surface, not shown here, of the vacuum cleaning robot 1. In other words, they face a surface to be cleaned.
  • Each projection 9 has a convexly curved outer surface and a correspondingly concavely curved inner surface, a first axis of curvature of the enveloping body being parallel to the direction of travel F, so that the projections, such as barrel or cylinder sections, extend parallel to the direction of travel F.
  • the convexly curved enveloping body is here essentially formed from a bi- or triaxial ellipsoidal body.
  • the longest semiaxis is that axis of rotation of the enveloping body that runs parallel to the direction of travel F.
  • the floor cleaning roller facing portion 14 of the projection 9 is cylindrical, wherein the cylinder axis is parallel to the intended direction of movement and the cylinder surface smoothly in the curvature of the ellipsoid about its axis parallel to Longitudinal extension of the suction mouth 6 passes.
  • the projection 9 is cut off.
  • the enveloping body or the projection 9 is not cut off or formed, for example perpendicular to the direction of travel F, but limited by an envelope geometry of the floor cleaning roller, as explained in more detail below.
  • an inlet channel 10 is formed between two projections 9, an inlet channel 10 is formed. Due to the fact that the diameter or the lateral extent of a projection 9 in the direction of travel F or with increasing distance from the suction mouth 6 decreases, the inlet channel 10 expands correspondingly in this direction. Thus, a funnel-like region for the supply of coarse dirt to the suction mouth 6 is formed in the inlet channel 10. At least in a front region, the inlet channel 10 is not completely formed by the two adjacent projections 9, but in addition by a plate.
  • the projections 9 and the inlet channels 10 are not parallel to the opening of the suction mouth or to a surface to be cleaned but are inclined upward and thus form a run-on slope.
  • the run-on slope helps to overcome obstacles.
  • FIG. 3 is a front view of the suction mouth 8 shown. Again, the projections 9 spaced apart and the inlet channels 10 arranged therebetween are visible. The suction mouth edge 8 is shown above a surface 11. It can be seen that only the projections 9 or regions or sections of the projections 9 stand on the surface 11, or are in their immediate vicinity.
  • the projections 9 may, for example, have a height of about ten millimeters. There are then only round sections with a small area in contact with the surface 11, which facilitates the movement and rotation of the Saugquelsroboters.
  • FIG. 4 is a sectional view through the suction mouth 6 is shown. It can be seen that the projections 9 and the inlet channels 10 form a wave contour 12.
  • the wave contour 12 consists only of curvatures and therefore contains no edges, which improves both the driving characteristics and the cleaning performance of the vacuum cleaner robot.
  • the convex curvature of the projection 9 about the axis parallel to the preferred direction of movement has a first radius r1.
  • the inlet channel 10 is formed by a section concave curved from the outside with a radius r2.
  • the projections 9 and the inlet channels 10 are arranged such that the convex curvature and the concave curvature merge directly into one another.
  • the radii are chosen such that the radius r1 of the convex curvature is smaller than the radius of the concave curvature r2.
  • the projection also has an externally convex curvature with a radius r3 about an axis parallel to the longitudinal extension of the suction mouth 6.
  • FIG. 5 is a bottom view of the Saugquelsroboters 1 shown with the suction mouth 6.
  • the projections 9 and the inlet channels 10 form the wave contour 12.
  • the projections 9 are constructed by a cutting operation with the envelope geometry of the floor cleaning roller, so that this cutting edge the wave contour 12 both perpendicular to the direction of travel F, as shown in FIG. 5 , as well as parallel to the direction of travel, as in FIG. 4 shown, has.
  • This complex shape of the suction mouth in the area of the floor cleaning roller allows a good sealing of the suction mouth.
  • the supply of coarse dirt to the suction mouth 6 is optimized by the funnel-shaped design of the inlet channel 10.
  • an impeller 13 is arranged, which improves the maneuverability of the Saugquelsroboters 1.
  • the impeller 13 is surrounded only by bevels or curved surfaces, which allows low-resistance turning and driving movements.
  • FIG. 6 is a side sectional view of the Saugquelsroboters 1 in the region of the suction mouth 6 is shown.
  • the floor cleaning roller 7 is arranged.
  • the floor cleaning roller 7 is designed as a bristle roller.
  • the section through an inlet channel 10 is shown.
  • the top view of a projection 9 is made possible.
  • the wave contour 12 was constructed by means of an enveloping body of the floor cleaning roller 7, because in this lateral view, the wave contour 12 extends concentrically to the circumference of Floor cleaning roller 7.
  • FIG. 7 and FIG. 8 A similar to the one in FIG. 6 shown side sectional view similar sectional view is in FIG. 7 and FIG. 8 shown.
  • the sectional view is not through an inlet channel 10 but through a projection 9.
  • a projection 9 is shown in cross section.
  • the wave contour 12 is formed concentrically to the circumference of the floor cleaning roller 7.
  • the distance between the circumference of the floor cleaning roller 7, in this case the radially outer end of the bristles, and the wave contour 12, that is, the suction mouth 6 facing ends of the projections 9 and the inlet channels 10, is kept as low as possible to a good Seal the suction 6 to achieve.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
EP18172809.8A 2017-05-29 2018-05-17 Robot de nettoyage par aspiration Active EP3409169B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017208967.9A DE102017208967B4 (de) 2017-05-29 2017-05-29 Saugreinigungsroboter

Publications (2)

Publication Number Publication Date
EP3409169A1 true EP3409169A1 (fr) 2018-12-05
EP3409169B1 EP3409169B1 (fr) 2020-01-08

Family

ID=62196431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18172809.8A Active EP3409169B1 (fr) 2017-05-29 2018-05-17 Robot de nettoyage par aspiration

Country Status (2)

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EP (1) EP3409169B1 (fr)
DE (1) DE102017208967B4 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010027587A1 (en) 2000-01-14 2001-10-11 Conrad Wayne Ernest Vacuum cleaner cleaning head
US20060248680A1 (en) 2005-05-05 2006-11-09 Bissell Homecare, Inc. Vacuum accessory tool
EP2449939A2 (fr) * 2010-11-03 2012-05-09 Samsung Electronics Co., Ltd. Robot nettoyeur, station d'échappement automatique et système de robot nettoyeur doté de celle-ci
FR2999410A1 (fr) * 2012-12-19 2014-06-20 Seb Sa Trappe pour suceur d'aspirateur
WO2014187499A1 (fr) * 2013-05-23 2014-11-27 Alfred Kärcher Gmbh & Co. Kg Dispositif de nettoyage de sol, en particulier appareil de nettoyage de sol automoteur et autoguidé
WO2015082019A1 (fr) 2013-12-06 2015-06-11 Alfred Kärcher Gmbh & Co. Kg Appareil de nettoyage des sols automoteur et autodirecteur, et système de nettoyage
EP2912981A1 (fr) 2014-02-28 2015-09-02 Samsung Electronics Co., Ltd. Nettoyeur autonome
EP3028617A1 (fr) * 2011-04-29 2016-06-08 iRobot Corporation Robot mobile autonome pour le nettoyage avec un premier et un deuxième rouleau

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000126097A (ja) 1998-10-21 2000-05-09 Toshiba Tec Corp 電気掃除機およびその吸込口体

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010027587A1 (en) 2000-01-14 2001-10-11 Conrad Wayne Ernest Vacuum cleaner cleaning head
US20060248680A1 (en) 2005-05-05 2006-11-09 Bissell Homecare, Inc. Vacuum accessory tool
EP2449939A2 (fr) * 2010-11-03 2012-05-09 Samsung Electronics Co., Ltd. Robot nettoyeur, station d'échappement automatique et système de robot nettoyeur doté de celle-ci
EP3028617A1 (fr) * 2011-04-29 2016-06-08 iRobot Corporation Robot mobile autonome pour le nettoyage avec un premier et un deuxième rouleau
FR2999410A1 (fr) * 2012-12-19 2014-06-20 Seb Sa Trappe pour suceur d'aspirateur
WO2014187499A1 (fr) * 2013-05-23 2014-11-27 Alfred Kärcher Gmbh & Co. Kg Dispositif de nettoyage de sol, en particulier appareil de nettoyage de sol automoteur et autoguidé
WO2015082019A1 (fr) 2013-12-06 2015-06-11 Alfred Kärcher Gmbh & Co. Kg Appareil de nettoyage des sols automoteur et autodirecteur, et système de nettoyage
EP2912981A1 (fr) 2014-02-28 2015-09-02 Samsung Electronics Co., Ltd. Nettoyeur autonome

Also Published As

Publication number Publication date
EP3409169B1 (fr) 2020-01-08
DE102017208967B4 (de) 2024-02-22
DE102017208967A1 (de) 2018-11-29

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