EP3409169B1 - Robot de nettoyage par aspiration - Google Patents

Robot de nettoyage par aspiration Download PDF

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Publication number
EP3409169B1
EP3409169B1 EP18172809.8A EP18172809A EP3409169B1 EP 3409169 B1 EP3409169 B1 EP 3409169B1 EP 18172809 A EP18172809 A EP 18172809A EP 3409169 B1 EP3409169 B1 EP 3409169B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
suction
suction opening
suction mouth
protrusion
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.)
Active
Application number
EP18172809.8A
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German (de)
English (en)
Other versions
EP3409169A1 (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 vacuum cleaning robot, in particular a vacuum cleaning robot with an improved suction mouth seal.
  • the International Publication WO 2015/082 019 A1 discloses a self-propelled and self-steering floor cleaning device which comprises at least one cleaning unit, a dirt collecting container, a dirt inlet opening and a dirt outlet opening, the dirt outlet opening being formed on the bottom wall.
  • the floor cleaning device have a valve device which is arranged at the dirt outlet opening and can be operated by air pressure 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 European patent application EP 3 028 617 A1 describes an autonomous robot covering an area.
  • the robot includes a chassis, a drive system that is mounted on the chassis and is configured to maneuver the robot over a cleaning surface, and a cleaning assembly that is mounted on the chassis.
  • the cleaning arrangement comprises a roller housing and a first roller which is rotatably attached to the roller housing and defines a first longitudinal axis and is rotatable about the first longitudinal axis in a first direction.
  • the cleaning assembly also includes a second roller rotatably mounted on the roller housing behind and substantially parallel to the first roller, the second roller defining a second longitudinal axis and being rotatable about the second longitudinal axis in a second direction opposite to the first direction.
  • the second roller is spaced from the first roller to form an air gap therebetween.
  • the first and second rollers are each elastically compressible to allow passage of an object with a dimension that is greater than the air gap between the first and second rollers.
  • the roller housing can have a plurality of projections on a front edge.
  • the invention has for its object to provide a vacuum cleaning robot with an improved suction mouth seal.
  • 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 area of the vacuum cleaner and in flow communication with the suction fan, with projections being provided on a suction mouth edge which protrude from the base area protrude.
  • the inside and / or outside surface (s) of at least one protrusion, preferably all protrusions, is or are curved around a first axis running parallel to the direction of movement of the suction mouth when the vacuum cleaner is intended to operate.
  • This axis is arranged on the side of the respective projection facing the inside of the device, 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 area is an area which, when the vacuum cleaner is intended to operate, faces the area to be cleaned. All projections of the vacuum cleaning robot are preferably designed as described above. Depending on the geometry and requirement profile, however, only some of the projections can also be designed in this way. In the sense of the present invention, the suction mouth edge is formed by the edge (s) of the projection or the projections facing the floor cleaning roller.
  • the shape of the edge of the projection facing the floor cleaning roller is formed by a geometric cut of the curved inside or outside surface with an imaginary envelope surface of the floor cleaning roller.
  • the cutting operation is to be understood here in the constructive context and not in the context of the production.
  • the projection is therefore not necessarily produced by a cutting process, but rather is constructed geometrically in this way.
  • the suction mouth edge is concavely curved on the outside in the area between two projections. It is an achievable advantage of the invention that it defines a smooth and completely curved inlet area through which dirt is transported well. In addition, the risk of blockages or objects getting stuck in the inlet area or of the vacuum cleaning robot getting caught on objects is reduced.
  • the preferred surface (s) of the inside and / or the outside is or are mirror-symmetrical with respect to a plane that extends essentially perpendicular to the longitudinal extension of the suction mouth and essentially in the direction of movement of the vacuum cleaner during its intended operation.
  • the preferred inside or outside surface (s) is or are 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 Suction mouth during its intended operation.
  • the vacuum cleaner according to the invention advantageously has a particularly favorable geometry on the suction mouth. Due to the shape and arrangement of the at least one protrusion, the invention also allows the inlet openings in the suction mouth to be designed in such a way that a particularly good absorption of coarse dirt is possible without it getting stuck, being pushed in front of the suction mouth or being run over by the suction mouth without being included.
  • the curved geometry of the protrusion or protrusions avoids edges so that obstacles can be overcome more easily.
  • a vacuum cleaner in the sense of the present invention is a device which can generate a suction air flow which acts on an object, usually a surface, for example a floor surface, in order to pick up particles such as dirt or dust particles, but also liquids, from the object by being caught by the suction air flow and entrained (hereinafter also referred to as "suction").
  • a vacuum cleaner can advantageously achieve a cleaning effect in this way.
  • the vacuum cleaner is generally equipped with a suction fan for generating a suction air flow, a suction mouth (hereinafter also referred to as a suction opening) of the vacuum cleaner being in flow connection with the suction side of the suction fan.
  • the suction opening is typically designed such that it can be passed over a surface to be cleaned, for example a floor surface, in order to suck in the particles, for example dust or dirt.
  • the suction fan is usually in flow connection with at least one dust separation device, for example a, usually replaceable, dust filter bag, a filter device or a centrifugal separator.
  • Dirt particles absorbed by the suction air flow are generally collected in a dust collection room, the dust filter usually being present in the dust collection room in a vacuum cleaner with a dust filter bag.
  • 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 task of the invention 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 below as a vacuum cleaning robot.
  • a cleaning robot is a cleaning device that is able to move automatically relative to a surface to be cleaned and to completely or partially clean the surface.
  • the cleaning robot is equipped with one or more cleaning devices.
  • the cleaning robot can be equipped with stationary or driven brushes, rollers, wipers, cloths or other cleaning devices.
  • the cleaning robot can comprise a vacuum cleaner, for example a wet vacuum cleaner or a dry vacuum cleaner or a combined wet / dry vacuum cleaner.
  • a cleaning robot is usually equipped with a trolley.
  • the undercarriage can be controlled, for example, by a controller that can be present in the cleaning robot or outside the cleaning robot.
  • the controller uses data to control the undercarriage, which are provided by one or more sensors which, at least in part, can be present in the cleaning robot or outside of 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 can comprise one or more mapping means or have a functional connection therewith.
  • Mapping means include, in particular, devices for recording, storing or evaluating geometric properties of the room in which the cleaning robot works or is intended to work. The mapping media can advantageously contribute to a planned navigation of the cleaning robot in the room.
  • Spaces can be exterior or interior spaces, for example the interior spaces of buildings such as living rooms or household rooms.
  • a cleaning robot is usually battery operated. So that the battery of such a cleaning robot can be recharged after a cleaning phase, a charging station separate from the cleaning robot can be provided.
  • the cleaning robot can be designed in such a way that it automatically starts the charging station to charge the battery and / or connects itself to the charging station independently.
  • the cleaning robot can comprise a wet vacuum cleaner and can be designed to apply liquid to a surface to be cleaned and to suction the liquid again by means of the wet vacuum cleaner.
  • the cleaning robot can comprise further cleaning devices such as brushes, rollers, wipers, cloths or other cleaning devices. The cleaning effect of the vacuum cleaner is preferably supported by these additional cleaning devices.
  • Cleaning robots that are equipped with a vacuum cleaner generally collect dirt and dust in a dust collector arranged in the cleaning robot.
  • the space available on the cleaning robot is usually limited, so that the space provided for the dust collection container is also limited.
  • the cleaning robot can be designed in such a way that it automatically drives to the dust collecting station to discharge the dust and / or connects itself to the dust collecting station independently.
  • the dust collecting station can be designed as a dust collecting station connected to a charging station or as a dust collecting station separated from a charging station.
  • the projections are preferably arranged in a front suction mouth edge in relation to a preferred direction of movement of the vacuum cleaner in the intended operation. This embodiment of the invention can advantageously be achieved that the projections make it easier to drive over 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 axis of rotation of the brush preferably runs along that of the longitudinal extent of the suction mouth.
  • the preferred rotation thing runs perpendicular to the direction of movement of the vacuum cleaner during its intended operation of the vacuum cleaner.
  • the axis of rotation advantageously runs parallel to a surface to be cleaned when the vacuum cleaner is to be operated.
  • the preferred direction of rotation of the floor cleaning roller in the intended operation of the vacuum cleaner is selected so that the part of the floor cleaning roller facing the surface to be cleaned moves in the direction of the projection or projections. This can advantageously make it easier for dust or dirt to be absorbed into the vacuum cleaner via the projections.
  • This embodiment of the invention achieves a very good seal of the suction mouth, which can lead to a high level of fine dust absorption by the vacuum cleaning robot.
  • a particularly good seal can be achieved in particular if the projection engages well in the suction mouth or the brush chamber and leaves only a comparatively small cross-sectional area open there.
  • enveloping surface is to be understood as a rotationally symmetrical surface, the elements of which have a uniform distance from the body which is rotationally symmetrical about the axis of rotation of the bottom roller and is formed by rotation of the floor cleaning roller; the distance can also be the same Be zero, but is preferably greater than zero.
  • the enveloping surface is also a cylindrical surface, with a radius of the same or, preferably, larger than the radius of the floor cleaning roller. With a larger radius, it can advantageously be achieved that the floor cleaning roller can be rotated without touching the projection or the projections during operation of the vacuum cleaning robot.
  • the distance is preferably less than 5 cm (centimeters), particularly preferably less than 2 cm, particularly preferably less than 1 cm, particularly 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 preferably has the shape of part of the surface of an ovoid on the inside and / or outside.
  • the shape of part of the concave inside of a spherical surface or the surface of an ovoid is meant; as far as the outside of the projection is concerned, the shape of 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 round body.
  • the preferred ovoid is mirror-symmetrical with respect to a plane that extends essentially perpendicular to the longitudinal extent of the suction mouth and essentially in the direction of movement of the suction mouth when it is intended to operate.
  • the ovoid is particularly preferably 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 extent of the suction mouth and / or with respect to the direction of movement of the suction mouth during its intended operation.
  • an ovoid is well suited as a flow restriction of an inlet channel and on the other hand allows a large cross section at the edge of the suction mouth, which enables a good seal to the suction mouth.
  • the invention also includes embodiments in which the inside and / or outside surface (s) have a different geometry, for example the shape of part of the lateral surface of a cone. Combinations of parts of conical surfaces, ovoid surfaces and cylindrical surfaces are also possible the scope of the present invention.
  • a section 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 parallel to the preferred direction of movement of the suction mouth in the normal operation of the Vacuum cleaner runs.
  • a cylinder jacket particularly preferably a circular cylinder jacket
  • the cylinder axis preferably parallel to the preferred direction of movement of the suction mouth in the normal operation of the Vacuum cleaner runs.
  • 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 when the vacuum cleaner is intended to operate and parallel to the longitudinal extension of the suction mouth, whereby also this second axis is arranged on the side of the projection (9) facing the interior of the device.
  • the radius of the curvature around the second axis is preferably smaller than the radius of the curvature around the first axis (hereinafter referred to as the first radius).
  • the second radius is preferably greater than 1 cm, particularly preferably equal to or greater than
  • the second radius is preferably less than 6 cm, particularly preferably equal to or less than 4 cm, for example 3 cm.
  • the first radius is preferably greater than 2 cm, particularly preferably equal to or greater than 4 cm.
  • the second radius is preferred Radius less than 10 cm, particularly preferably equal to or less than 6 cm, for example 5 cm.
  • the suction mouth edge preferably forms a wave contour toward the suction mouth. It is an achievable advantage of this embodiment of the invention that, for example, exposed cables cannot be pulled into the suction mouth, or only with difficulty. Still, with such a waveform, the brush roller can still go down easily be removed.
  • the projections are obstructed from one another in such a way that two adjacent projections, particularly preferably all projections adjacent to each other, form an inlet channel between them which is open to the surface to be cleaned during the intended operation of the suction mouth.
  • the inlet channel delimited by two adjacent projections is preferably funnel-shaped. It is an achievable advantage of this embodiment of the invention that it enables easy passage of coarse dirt and easy passage over obstacles. Furthermore, due to the small contact area, the vacuum cleaning robot can be easily turned.
  • the projections preferably protrude more than 5 mm, particularly preferably 10 mm or more, beyond the base area.
  • the projections preferably protrude less than 5 cm, particularly preferably 2 cm or less, beyond the base area. It is an achievable advantage of this embodiment of the invention that there is little friction between the floor covering and the vacuum cleaning robot. Tests have shown that, for example, good cleaning performance is achieved at a height of between 5 mm and 2 cm.
  • An impeller is preferably 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 rotating and driving movements are possible, since the impeller is surrounded on all sides by inclines.
  • the outer surface of at least one projection is preferably convexly curved and the convex curvature and the concave curvature merge into one another. It is an achievable advantage of this embodiment of the invention that an even smoother inlet area can thus be defined, which can lead to even better cleaning behavior and improved handling.
  • a radius of the convex curvature is preferably smaller than a radius of the concave curvature.
  • a vacuum cleaning robot 1 is shown in a block diagram.
  • 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 shown as examples.
  • the controller 2 is also connected to a suction fan 5 in order to control it.
  • the suction power of the suction fan 5 can be increased or decreased.
  • the suction fan 5 is in flow connection with a suction mouth 6. Dirt is picked up from a surface to be cleaned via the suction mouth 6.
  • the vacuum cleaning robot 1 mainly moves in a direction of travel F.
  • the term front or front area is defined here in relation to the direction of travel F of the vacuum cleaning robot 1.
  • a floor cleaning roller 7 is arranged in the suction mouth 6 or a brush chamber.
  • Figure 2 shows a perspective view from below of the suction mouth 6.
  • a plurality of projections 9 spaced apart from one another are formed on a suction mouth edge 8.
  • the projections 9 protrude from a base area of the vacuum cleaning robot 1, not shown here. 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 running parallel to the direction of travel F, so that the projections, like barrel or cylinder sections, extend parallel to the direction of travel F.
  • the convexly curved envelope body is essentially formed from a bi- or triaxial ellipsoid body.
  • the longest semiaxis is that axis of rotation of the enveloping body that runs parallel to the direction of travel F.
  • the section 14 of the projection 9 facing the floor cleaning roller is, however, cylindrical, the cylinder axis running parallel to the intended direction of movement and the cylinder jacket smooth in the curvature of the ellipsoid about its axis parallel to Longitudinal extension of the suction mouth 6 passes over.
  • 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 is delimited by an enveloping geometry of the floor cleaning roller, as explained in more detail below.
  • An inlet channel 10 is formed between two projections 9. Because the diameter or the lateral extent of a projection 9 decreases in the direction of travel F or with increasing distance from the suction mouth 6, the inlet duct 10 widens accordingly in this direction. A funnel-like area for supplying coarse dirt to the suction mouth 6 is thus formed in the inlet channel 10. At least in a front area, the inlet channel 10 is not completely formed by the two adjacent projections 9, but additionally by a plate.
  • the projections 9 and the inlet channels 10 do not run 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 start slope helps to overcome obstacles.
  • FIG 3 a front view of the suction mouth edge 8 is shown.
  • the projections 9 spaced apart from one another and the inlet channels 10 arranged therebetween can be seen again.
  • 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 the immediate vicinity thereof.
  • the projections 9 can have a height of approximately ten millimeters, for example. There are then only round sections with a small area in contact with the surface 11, which facilitates the movement and rotation of the vacuum cleaning robot.
  • FIG 4 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 shaft contour 12.
  • the wave contour 12 consists only of curvatures and therefore contains no edges, what improved both the driving characteristics and the cleaning performance of the vacuum cleaning robot.
  • the convex curvature of the projection 9, seen from the outside, about the axis parallel to the preferred direction of movement has a first radius r1.
  • the inlet channel 10 is formed by a concavely curved section with a radius r2 when viewed from the outside.
  • 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 selected such that the radius r1 of the convex curvature is smaller than the radius of the concave curvature r2.
  • the projection also has a convex curvature seen from the outside with a radius r3 about an axis which runs parallel to the longitudinal extent of the suction mouth 6.
  • FIG. 5 a bottom view of the vacuum cleaning robot 1 with the suction mouth 6 is shown.
  • the projections 9 and the inlet channels 10 form the shaft 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 forms the shaft contour 12 both perpendicular to the direction of travel F, as shown in FIG Figure 5 , as well as parallel to the direction of travel, as in Figure 4 shown.
  • This complex shape of the suction mouth in the area of the floor cleaning roller allows the suction mouth to be sealed well.
  • 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 in a wider projection 9a, which improves the maneuverability of the vacuum cleaning robot 1.
  • the impeller 13 is only surrounded by bevels or curved surfaces, which enables low-resistance turning and driving movements.
  • FIG 6 is a side sectional view of the vacuum cleaning robot 1 in the area of the suction mouth 6.
  • the floor cleaning roller 7 is arranged in the suction mouth 6.
  • the floor cleaning roller 7 is designed as a bristle roller.
  • the section through an inlet channel 10 is shown in the area of the suction mouth edge 8. This enables the top view of a projection 9.
  • the shaft contour 12 was constructed by means of an enveloping body of the floor cleaning roller 7, because in this side view the shaft contour 12 runs 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 shaft contour 12, that is to say the ends of the projections 9 and the inlet channels 10 facing the suction mouth 6, is kept as small as possible to ensure a good one To achieve sealing of the suction mouth 6.

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

Claims (9)

  1. Aspirateur avec un ventilateur d'aspiration (5) pour la génération d'un flux d'air d'aspiration, une bouche d'aspiration (6) disposée dans une surface de base de l'aspirateur, en relation d'écoulement avec le ventilateur d'aspiration (5), dans lequel des saillies (9) sont prévues sur un bord de la bouche d'aspiration (8), lesquelles font saillie de la surface de base, dans lequel la surface intérieure et/ou extérieure d'au moins une saillie (9) est courbée autour d'un premier axe s'étendant parallèlement au sens de déplacement de la bouche d'aspiration (6) lors de l'exploitation prévue de l'aspirateur, dans lequel le premier axe est disposé sur le côté de la saillie (9) dirigé vers l'intérieur de l'appareil, dans lequel l'aspirateur présente un rouleau de nettoyage du sol (7) disposé dans la bouche d'aspiration (6) et la forme du bord de la saillie (9) dirigé vers le rouleau de nettoyage du sol (7) est constituée par une coupe géométrique de la surface intérieure ou extérieure courbée avec une surface d'enveloppe imaginaire du rouleau de nettoyage du sol (7), caractérisé en ce que le bord de la bouche d'aspiration (8) présente une courbure concave dans la zone entre deux saillies (9).
  2. Aspirateur selon la revendication 1, caractérisé en ce que l'au moins une saillie (9) présente côté intérieur et/ou côté extérieur la forme d'une partie de la surface d'un ovoïde.
  3. Aspirateur selon l'une des revendications précédentes, caractérisé en ce que la surface intérieure et/ou extérieure de l'au moins une saillie (9) est courbée autour d'un deuxième axe s'étendant perpendiculairement au sens de déplacement de la bouche d'aspiration (6) lors de l'exploitation prévue de l'aspirateur et parallèlement à l'étendue longitudinale de la bouche d'aspiration (6), dans lequel le deuxième axe est disposé sur le côté de la saillie (9) dirigé vers l'intérieur de l'appareil.
  4. Aspirateur selon l'une des revendications précédentes, caractérisé en ce que le bord de la bouche d'aspiration (8) constitue un profil ondulé en direction de la bouche d'aspiration (12).
  5. Aspirateur selon l'une des revendications précédentes, caractérisé en ce qu'une saillie sur deux (9) est exécutée sous la forme d'un conduit d'entrée limité (10) en entonnoir.
  6. Aspirateur selon l'une des revendications précédentes, caractérisé en ce que les saillies (9) font saillie de dix millimètres par rapport à la surface de base.
  7. Aspirateur selon l'une des revendications précédentes, caractérisé en ce qu'une roue (13) est disposée dans une saillie élargie (9a).
  8. Aspirateur selon l'une des revendications 1 à 7, caractérisé en ce que la surface extérieure d'au moins une saillie (9) présente une courbure convexe et la courbure convexe et la courbure concave s'entremêlent.
  9. Robot de nettoyage équipé d'un aspirateur selon l'une des revendications précédentes.
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 EP3409169A1 (fr) 2018-12-05
EP3409169B1 true EP3409169B1 (fr) 2020-01-08

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EP18172809.8A Active EP3409169B1 (fr) 2017-05-29 2018-05-17 Robot de nettoyage par aspiration

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

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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
CA2330851A1 (fr) 2000-01-14 2001-07-14 Dave Andrew Petersen Tete de nettoyage d'un aspirateur
AU2006201894B2 (en) 2005-05-05 2010-09-16 Bissell Inc. Vacuum accessory tool
KR101496913B1 (ko) * 2010-11-03 2015-03-02 삼성전자 주식회사 로봇청소기와 자동배출 스테이션 및 이를 가지는 로봇청소기 시스템
EP3878333B1 (fr) 2011-04-29 2023-12-13 iRobot Corporation Robot mobile autonome pour le nettoyage avec un rouleau avant dans un premier plan horizontal positionné au-dessus d'un second plan horizontal d'un rouleau arrière
FR2999410B1 (fr) * 2012-12-19 2015-11-06 Seb Sa Trappe pour suceur d'aspirateur
PL2999387T3 (pl) * 2013-05-23 2021-01-25 Alfred Kärcher SE & Co. KG Urządzenie do czyszczenia podłóg, zwłaszcza samojezdny i samokierujący sprzęt do czyszczenia podłóg
EP3076843B1 (fr) 2013-12-06 2017-10-25 Alfred Kärcher GmbH & Co. KG Appareil de nettoyage du sol autotracté et autodirecteur et système de nettoyage
EP2912981B1 (fr) 2014-02-28 2019-09-04 Samsung Electronics Co., Ltd. Nettoyeur autonome

Non-Patent Citations (1)

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Title
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Publication number Publication date
EP3409169A1 (fr) 2018-12-05
DE102017208967A1 (de) 2018-11-29
DE102017208967B4 (de) 2024-02-22

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