EP3763265A1 - Aspirateur portatif - Google Patents

Aspirateur portatif Download PDF

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Publication number
EP3763265A1
EP3763265A1 EP19186088.1A EP19186088A EP3763265A1 EP 3763265 A1 EP3763265 A1 EP 3763265A1 EP 19186088 A EP19186088 A EP 19186088A EP 3763265 A1 EP3763265 A1 EP 3763265A1
Authority
EP
European Patent Office
Prior art keywords
suction
intermediate element
suction device
receiving area
electric motor
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
EP19186088.1A
Other languages
German (de)
English (en)
Other versions
EP3763265C0 (fr
EP3763265B1 (fr
Inventor
Michael WINDRICH
Thomas TRUMMER
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.)
Leifheit AG
Original Assignee
Leifheit AG
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 Leifheit AG filed Critical Leifheit AG
Priority to EP19186088.1A priority Critical patent/EP3763265B1/fr
Publication of EP3763265A1 publication Critical patent/EP3763265A1/fr
Application granted granted Critical
Publication of EP3763265C0 publication Critical patent/EP3763265C0/fr
Publication of EP3763265B1 publication Critical patent/EP3763265B1/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
    • A47L9/22—Mountings for motor fan assemblies
    • 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
    • A47L1/00—Cleaning windows
    • A47L1/02—Power-driven machines or devices
    • A47L1/05—Hand apparatus with built-in electric motors
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0023—Recovery tanks
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0042—Gaskets; Sealing means
    • 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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping

Definitions

  • the invention relates to a portable suction device according to the preamble of claim 1.
  • the invention relates to a portable suction device with a suction channel opening into a suction nozzle and with a housing, a suction material container and a suction unit having at least one electric motor, an accumulator and a fan wheel for generating a suction flow, which provides a suction vacuum applied to the suction nozzle, and with a separation device, which is able to split the suction flow sucked in via the suction nozzle into an exhaust air flow flowing out of the suction device and into suction material in the form of particles and / or fluid components, the separated particles or Fluid components are collected in the suction material container.
  • these devices also have a pull-off lip for pulling off liquids, the pull-off lip being arranged on the suction nozzle.
  • these devices are usually battery-operated and are held in the hand of a user while the user guides the pull-off lip along the surface to be vacuumed.
  • Portable devices of this type are among others from EP 2 845 530 B1 known.
  • the known suction devices are used to suck up a liquid / air mixture. As in the case of the device mentioned, this can be done for sucking up liquid, for example from a flat surface such as a table top, window panes or tiles.
  • a pull-off lip arranged on the suction nozzle is provided in the generic devices for residue-free cleaning of the surfaces.
  • a portable suction device described which provides a separate waterproof unit that includes the electric motor, the accumulator and the component electronics.
  • the separate unit is built into the housing of the suction device.
  • the encapsulation leads to increased heating of the components, in particular of the electric motor, but also of the temperature-sensitive accumulator. This results from the multi-layer structure, which accordingly causes undesirable insulation with poor heat dissipation.
  • the increased heating can reduce the service life of the components.
  • the usage time can also be shortened if the device has to be switched off due to excess temperature.
  • the object of the invention is therefore to provide a portable suction device which enables the electronic components to be sealed against ingress of suction material while at the same time providing good heat dissipation and cost-effective production.
  • the portable suction device provides that part of the suction material container limitation has a receiving area for receiving electronic components of the suction device, the receiving area being in the form of at least one cavity that is watertight except for the opening and being watertightly closable by a separate intermediate element.
  • the electronic components include at least the electric motor and the accumulator, but can also include further electronic components, such as monitoring and / or control elements arranged on a circuit board.
  • the cavity can consist of one or more pockets, the individual electronic components being arranged in the pockets.
  • the electronic components are protected against the ingress of dust and water by the watertight, sealed cavity in the suction cup delimitation. Furthermore, the arrangement does not have any heat-insulating encapsulation of the components, so that the heat lost during operation of the device can be dissipated well. This can be done directly via the housing to the environment and also to the suctioned material.
  • the intermediate element preferably forms a component carrier by which at least the electric motor and the accumulator are held.
  • the fan wheel is advantageously arranged, rotatably mounted on the intermediate element on the side of the intermediate element facing away from the receiving area.
  • the construction according to the invention is advantageous in terms of production and thus in terms of costs, since a preassembled module is formed with the aid of the intermediate element, which can be used as a whole in one assembly step.
  • the intermediate element can in this case preferably be designed geometrically in the form of component receiving elements in such a way as to receive at least the electric motor and / or the accumulator in a defined manner.
  • Individual pockets or receptacles or ribs can be provided in the intermediate element.
  • the electronic components are inserted and held in these. It is advantageous if, for example, the electric motor and the accumulator and any circuit board with measuring and control elements are arranged in separate pockets.
  • the electronic components are at least partially isolated from one another by the walls of the pockets, so that the waste heat from the electric motor does not additionally heat the accumulator or the circuit board.
  • the pockets are preferably designed in such a way that, on the one hand, good heat dissipation of the components and thermal insulation between the electronic components is achieved. On the other hand, in such a way that the electronic components are securely held in the pockets. This can be implemented, for example, by pockets with walls of different heights and / or recesses within the pockets.
  • soft elements can be arranged on the intermediate element and / or in the receiving area, the electronic components, in particular the electric motor and / or the accumulator, which is arranged softly supported in the intermediate element. This is advantageous when the intermediate element is constructed with a plurality of pockets in which the individual electronic components are received.
  • the soft elements are arranged and designed in such a way that the electronic components are held by the intermediate element without play.
  • the soft tissue storage also functions in an advantageous manner as a damper for the electronic components if the device is put down rudely or if it is accidentally dropped.
  • means are provided which are set up to improve the heat dissipation of the electronic components.
  • the means can be formed by heat-conducting areas in the area of the intermediate element and / or in the area of the receiving area.
  • the thermally conductive areas can be constructed in the form of ribs or similar designs and / or be achieved by a thermally conductive material combination.
  • the heat-conducting areas can be formed by encapsulated metal.
  • the intermediate element and the component receiving elements of the intermediate element, which receive the electronic components, are preferably formed from plastic.
  • thermally conductive particles can be added to the plastic, for example copper particles.
  • the geometry of the suction device is designed such that the heat dissipation in the direction of the suction material container or suction material is higher than in the other directions.
  • This can be implemented, for example, in that at least part of the receiving area in the suction material container delimitation is part of the suction device housing and / or is arranged close to the suction device housing.
  • the intermediate element advantageously has a circumferential sealing contour as a sealing element.
  • the cavity formed by the suction material container limitation The receiving area can have a one-sided and flat opening.
  • the circumferential sealing contour of the intermediate element can be designed to be flat.
  • geometrical configurations that correspond to one another are provided on the housing and / or on the receiving area and on the intermediate element. These are designed such that the intermediate element is held in at least one direction and can close the receiving area.
  • the intermediate element is preferably made as a two-component component from a hard plastic and a soft plastic forming the soft elements.
  • the seal of the intermediate element can also be injection molded.
  • the fan wheel is arranged on the side of the intermediate element facing away from the receiving area and is driven by the electric motor.
  • the intermediate element has a passage opening for the motor shaft.
  • a motor shaft seal is provided to seal the motor shaft.
  • the motor shaft seal can be molded on and / or mounted as a separate part on the intermediate element.
  • a switching element for switching on the suction device can be provided as electronic components, which is preferably arranged on a measuring and / or control board.
  • an elastic housing area can advantageously be provided above the switch, via which the switch can be actuated.
  • the housing is preferably designed to be translucent in one area.
  • An LED can be provided below the translucent area, which indicates operation of the suction device. This has the advantage that there is no need to provide a separate cutout for the LED in the housing.
  • the configuration enables a particularly attractive design.
  • the LED can be arranged on the circuit board, for example.
  • the shape of the suction device is designed so that the suction device extends into a handle of the suction device on the end section opposite the suction nozzle.
  • the suction device 2 is shown in a side view.
  • the suction device 2 is designed as a hand-operated window vacuum.
  • the suction device 2 comprises in the front area a suction nozzle 4 designed as a flat nozzle with pulling lips 5 arranged above and below the flat nozzle opening, which is detachably arranged via a clamp connection on a beak-shaped receptacle 62 formed from two parallel planes.
  • the suction device 2 has a suction and separation area adjoining the suction nozzle 4, a suction unit 10, a suction material container 8 and a closure 42.
  • the aforementioned components are accommodated in a housing 6 of the suction device 2.
  • the suction device 2 is initially shaped like a bulb in the area of the separation area and the suction unit 10 and then extends into a rear area which forms a handle 48.
  • the handle 48 closes with the lock 42 at the distal end.
  • the suction material container 8 is largely located in the handle 48 and extends to the end of the handle 48.
  • an opening 40 is provided in the suction material container 8, which is sealed by the closure 42 against the escape of suction material, in particular water is.
  • the housing 6 of the suction device 2 is constructed in several parts. It comprises an upper shell 64, which ventilation slots 66 for the exhaust air flow and a recess for a Has actuating button 68 for switching the device 2 on and off.
  • the upper shell 64 of the housing 6 is placed on a lower part of the housing.
  • the lower part of the housing forms part of the handle 48 as a handle shell 70, the handle 48 being made in several parts.
  • the handle shell 70 in turn simultaneously forms a lower boundary of the suction material container 8.
  • the suction and separation areas are each received by a front part of the housing 6, which also forms the receptacle for the suction nozzle 62.
  • the shape of the suction device 2 is designed in such a way that the device 2, when it is placed on a flat storage surface 72, is accommodated by two storage areas.
  • the first storage area is formed by the lower part of the handle shell 70, on which two feet are provided as storage elements 74.
  • the two storage elements 74 are arranged on both sides at a distance from a longitudinal axis of the suction device 2.
  • a part of the lock 42 forms the second storage area.
  • the two storage elements 74 allow the suction device 2 to be placed on the flat storage surface 72 in a stable manner.
  • the storage areas are arranged on the suction device 2 in such a way that the suction nozzle 4 and in particular the pull-off lip 5 are spaced apart from the flat storage surface 72.
  • Both the outer area of the closure 42 and the storage elements 74 designed as feet are made from a soft material, in particular from a rubber-like material. In this way, in addition to a stable and surface-friendly state of the device 2 when the device 2 is switched off, damage when using the device 2, if the device 2 does not come into contact with the surface to be cleaned or the surfaces around it, is avoided.
  • FIG. 4 shows a perspective view of the suction device 2 from FIG Figure 1 .
  • the upper part of the receptacle of the suction nozzle 62 can be seen, in which the suction nozzle 4, which is designed as a flat nozzle, is detachably inserted via the clamp connection. Due to the releasable connection, other suction nozzles can also be used in the intake of the suction nozzle, depending on the area of application.
  • the closure 42 continuing the outer contour of the device 2 is shown spaced apart from the suction device 2 in the dismantled state.
  • the closure 42 has a gripping area at the end, which is formed by a raised edge in the form of a retaining bead 76 in the rear area.
  • FIG. 3 shows another view of the suction device 2 according to the invention from the previous figures.
  • the suction device 2 is shown with a cut-free separation area and without an upper housing shell 64 and without a closure 42.
  • the suction material sucked in by the suction nozzle 4, not shown, is transferred into the separation area via a suction channel 3 arranged in the receptacle for the suction nozzle 62, and separated from the exhaust air flow by the separation device 12 and transferred into an inlet opening 36 arranged in the lower part of the suction device 2.
  • the inlet opening 36 leads into the suction material guide 30, via which the suction material is in turn directed into the suction material container 8.
  • the individual components of the separation device 12 can be seen in the cut-free area, which comprises a ramp-shaped suction material guide element 14 and a rotary separator 16.
  • the rotary separator 16 is connected in one piece to the fan wheel 11 of the suction unit 10.
  • the separation area is designed as a separation chamber 18.
  • the delimitation forming the separation chamber 18 is designed in two parts.
  • the first part is formed by a cup-shaped first delimiting element 92, in the bottom area of which the beak-shaped receptacle for the suction nozzle 62 is also formed.
  • the cup-shaped delimiting element 92 is at the same time also part of the suction device housing 6.
  • the second part of the separation chamber delimitation is formed by a cover element 94, which is formed as a plate-shaped delimiting element and is connected to the cup-shaped delimiting element 92.
  • the cover element 94 has two openings.
  • the rotary separator 16 which is integrally connected to the fan wheel 11, is arranged in the first opening, which is arranged centrally in the cover element and is an exhaust air opening.
  • the second opening is an outlet opening of the separation chamber 18 and is at the same time the inlet opening 36 into the suction material guide 30.
  • a cover element 27 of the suction material container 8 with the suction unit 10 mounted is shown in a side view.
  • the cover element 27 is detachably connected to the grip shell 70 by a clamp connection during assembly.
  • a receiving area 22 is provided for receiving the electronic components of the suction unit 10, in particular an electric motor 24, a circuit board 25 and an accumulator 26, the receiving area 22 being in the form of a pocket-shaped cavity.
  • the receiving area 22, which is designed as a cavity open on one side, is designed in one piece in the housing cover 27.
  • the accumulator 26 and in are in a geometrically longer pocket an underlying geometrically shorter pocket of the electric motor 24 was added.
  • the receiving area 22 is designed in a step-like manner in accordance with the shape of electronic components.
  • the receiving area 22 is sealed by a separate intermediate element 23 against the escape of suction material, the intermediate element 23 simultaneously functioning as a component carrier for the electric motor 24, the circuit board 25 and the accumulator 26.
  • Component receiving elements 28 for the electrical components are provided in the intermediate element 23.
  • the component receiving elements 28 are designed as holders in the form of hollow beams.
  • the intermediate element 23 is supported both by the grip shell 70 and by the cover element 27.
  • centering openings 29 are distributed circumferentially in the radially outer region of the intermediate element 23.
  • the cover element 27 with the receiving area 22 is shown in a view obliquely from the front in FIG Figure 5 shown.
  • the receiving area 22 embodied as a hollow body has, on the side of the receiving area 22 facing the suction nozzle 4, a rectangular cross section with a rounded top and bottom.
  • the rectangular cross-section is provided to accommodate the electric motor 24, the accumulator 26 and the circuit board 25 together with their respective holders.
  • the geometrically longer pocket for the accumulator 26 is provided in the part of the receiving area 22 directed towards the upper side of the suction device 2, this being of essentially round cross-section, corresponding to the cross-section of the accumulator 26.
  • a seat for a motor shaft bearing 87 of the electric motor 24 is provided in the part of the receiving area 22 that receives the electric motor 24, a seat for a motor shaft bearing 87 of the electric motor 24 is provided.
  • This receptacle for the motor shaft bearing 87 is arranged concentrically with the electric motor 24 and with the fan wheel 11 driven by the latter.
  • a bulge 89 is provided directly next to the receptacle for the motor shaft bearing 87. This acts as a clearance for a soldering lug and a motor cable of the electric motor.
  • a recess is also provided in the shell component in a shell component 32 which is arranged below the receiving area 22 and forms part of the suction material guide 30.
  • the recess and bulge 89 are matched to one another in such a way that the receiving area 22 and the shell component 32 do not touch at this point.
  • a cable opening 88 is provided in the direction of the suction material guide 30, through which the cables for a charging connection on the underside of the suction device 2 when the suction device 2 is installed.
  • a sealing element is provided on the underside of the receiving area 22, which seals the cable opening 88 in the receiving area 22 against the entry of suction material.
  • the sealing element is designed as a circumferential seal and interacts with a corresponding sealing groove on the shell component 32.
  • a part of the cover element 27, which is arranged above the actuating button 68 on the circuit board 25 when the suction device 2 is mounted, is formed as an elastic housing area.
  • the actuation button 68 can be actuated in the assembled state through the elastic housing area for switching the suction device 2 on and off by a pressure load.
  • the elastic housing area is formed from a soft material, in particular a rubber-like material.
  • part of the elastic housing area is made translucent. Furthermore, an LED is provided below the translucent area of the housing, which indicates an operating state of the suction device 2.
  • the grip shell 70 forms the bulbous part of the suction device 2 up to the end of the receiving area 22 pointing towards the closure 42 and from there merges into the handle 48. In this way, a particularly advantageous use of installation space is achieved.
  • FIGS Figures 6 and 7th A perspective front and rear view of the intermediate element 23 designed as a component carrier are shown in FIGS Figures 6 and 7th .
  • the intermediate element 23 has four centering openings 29 which are arranged symmetrically distributed over the intermediate element 23.
  • the upper part of the intermediate element 23 has a half-shell reinforced by ribs, which extends in the direction of the rotary separator 16.
  • the height of the half-shell is designed in such a way that it lies above the height of the radially outer region of the fan blades of the fan wheel 11. In the illustrated embodiment extends the half-shell is between two centering openings, the top two. In this way, better support between the centering or positioning elements 90 of the cover element 27 and the centering openings 29 of the intermediate element 23 is achieved.
  • the provision of the half-shell serves to discharge the exhaust air flow in a directed manner out of the suction device 2, in particular over the sides of the suction device 2.
  • a cover element designed as a plate-shaped delimitation element of the separation area is placed on the intermediate element 23 in the direction of the rotary separator and closes the area of the half-shell.
  • the two lower centering openings 29 of the intermediate element 23 are positioned in the assembled state of the device on both sides of the semicircular inlet opening 36 in the suction material guide 30.
  • the cover element 94 is sealingly placed on the inlet opening 36 in the suction material guide 30. Due to the laterally open areas formed between the intermediate element 23 and the cover element 94, the exhaust air flow is guided out of the suction device 2 through the ventilation slots 66 in the upper housing cover 64.
  • a sealing element 58 designed as a circumferential seal is provided, the sealing element 58 being rectangular, corresponding to the rectangular opening of the receiving area 22, such that the intermediate element 23 seals the receiving area 22 against ingress of suction material able.
  • the seal is injection molded onto the intermediate element 23 and forms a flat sealing contour.
  • the component receiving elements 28 in which the electric motor 24, the accumulator 26 and the circuit board 25 are held are provided spatially within the circumferential seal on the intermediate element 23.
  • the component receiving elements 28 are integrally connected to the intermediate element 23.
  • the component receiving elements 28 do not completely enclose the electronic components in order to enable good heat dissipation, but also good support for the components.
  • a housing of the electric motor 24 has a rectangular cross section.
  • the component receiving element 28 holding the electric motor 24 holds the electric motor 24 only on the housing covers, the part of the housing of the electric motor 24 facing away from the intermediate element 23 being covered less by the component receiving element 28 than the part facing the intermediate element 23. In this way, good heat dissipation is achieved and the resulting waste heat in the direction of suction material guide 30 or suction material container 8 headed.
  • the temperature-sensitive accumulator 26 is at least partially shielded from the waste heat from the electric motor 24.
  • a complete, more solid enclosure of the electric motor 24 by the component receiving element 28 can be dispensed with, since the electric motor 24 is mounted for low-vibration operation of the fan wheel 11 via the motor shaft bearing 86, which is received in the receptacle for the motor shaft bearing 87 in the receiving area 22.
  • inserted soft elements are provided which are set up in such a way that the electronic components, in particular the electric motor 24 and the accumulator 26, are securely seated. Furthermore, soft elements are also provided on the outside of the component receiving elements 28 in order to also hold the component receiving elements 28 securely in the receiving area 22.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)
EP19186088.1A 2019-07-12 2019-07-12 Aspirateur portatif Active EP3763265B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19186088.1A EP3763265B1 (fr) 2019-07-12 2019-07-12 Aspirateur portatif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19186088.1A EP3763265B1 (fr) 2019-07-12 2019-07-12 Aspirateur portatif

Publications (3)

Publication Number Publication Date
EP3763265A1 true EP3763265A1 (fr) 2021-01-13
EP3763265C0 EP3763265C0 (fr) 2023-06-07
EP3763265B1 EP3763265B1 (fr) 2023-06-07

Family

ID=67262196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19186088.1A Active EP3763265B1 (fr) 2019-07-12 2019-07-12 Aspirateur portatif

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EP (1) EP3763265B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024202005A1 (de) * 2024-03-04 2025-09-04 BSH Hausgeräte GmbH Saugeinheit mit Frischluftkühlung
USD1100392S1 (en) * 2024-06-28 2025-10-28 Hongliang Wu Cordless vacuum cleaner

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121263117A (zh) 2024-03-04 2026-01-02 尚科宁家运营有限公司 手持表面清洁器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0170720A2 (fr) * 1984-08-10 1986-02-12 H. + H. Industriebedarfs- und Handels GmbH Petit aspirateur de poussières
EP2845530A1 (fr) 2013-09-05 2015-03-11 Leifheit Ag Appareil d'aspiration portable pour liquides ou mélanges liquide/air
EP3021723A1 (fr) 2013-07-18 2016-05-25 Alfred Kärcher GmbH & Co. KG Appareil de nettoyage de surfaces dures portable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0170720A2 (fr) * 1984-08-10 1986-02-12 H. + H. Industriebedarfs- und Handels GmbH Petit aspirateur de poussières
EP3021723A1 (fr) 2013-07-18 2016-05-25 Alfred Kärcher GmbH & Co. KG Appareil de nettoyage de surfaces dures portable
EP2845530A1 (fr) 2013-09-05 2015-03-11 Leifheit Ag Appareil d'aspiration portable pour liquides ou mélanges liquide/air

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024202005A1 (de) * 2024-03-04 2025-09-04 BSH Hausgeräte GmbH Saugeinheit mit Frischluftkühlung
EP4613161A1 (fr) 2024-03-04 2025-09-10 BSH Hausgeräte GmbH Unité d'aspiration avec refroidissement d'air frais
USD1100392S1 (en) * 2024-06-28 2025-10-28 Hongliang Wu Cordless vacuum cleaner

Also Published As

Publication number Publication date
EP3763265C0 (fr) 2023-06-07
EP3763265B1 (fr) 2023-06-07

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