EP3446610B1 - Aspirateur et procédé de fonctionnement d'un aspirateur - Google Patents

Aspirateur et procédé de fonctionnement d'un aspirateur Download PDF

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Publication number
EP3446610B1
EP3446610B1 EP18184212.1A EP18184212A EP3446610B1 EP 3446610 B1 EP3446610 B1 EP 3446610B1 EP 18184212 A EP18184212 A EP 18184212A EP 3446610 B1 EP3446610 B1 EP 3446610B1
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EP
European Patent Office
Prior art keywords
power
vacuum cleaner
intensive
boost
fan
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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
EP18184212.1A
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German (de)
English (en)
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EP3446610A1 (fr
Inventor
Michael Agethen
Martin Behrenswerth
Volker Gerth
Ramona Vahle
Otto Braun
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.)
Miele und Cie KG
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Miele und Cie KG
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Publication of EP3446610A1 publication Critical patent/EP3446610A1/fr
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    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805—Parameters or conditions being sensed
    • A47L9/2821—Pressure, vacuum level or airflow
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
    • A47L9/2842—Suction motors or blowers
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof

Definitions

  • the invention relates to a vacuum cleaner for cleaning and maintenance of floor surfaces with a blower for generating a negative pressure for receiving dirt by means of an air flow and a separation system for cleaning the air taken from dirt, an adjusting device for adjusting the performance of the blower, the vacuum cleaner being one for has continuous operation of the vacuum cleaner via the setting device, maximum power and an intensive power that can be set for short-term operation of the vacuum cleaner via the setting device, the intensive power being higher than the maximum power.
  • the invention also relates to a method for adjusting a blower output of a vacuum cleaner.
  • vacuum cleaners are used to clean surfaces such as textile floor coverings and smooth floors.
  • a floor nozzle of the vacuum cleaner is continuously pushed back and forth on a floor surface to collect dust.
  • energy classes are now specified for household vacuum cleaners in which much lower power consumption is permitted. This leads to a decrease in the aerodynamic performance of the vacuum cleaner, which is still sufficient for normal vacuuming, but can lead to a performance restriction in a location with particularly stubborn dirt, especially on smooth floors.
  • the dust picking effectiveness of the vacuum cleaner strongly depends on the setting of the blower. In the context of reducing energy consumption in vacuum cleaners, the setting of the blowers is playing an increasingly important role.
  • the dimensioning of vacuum cleaner blowers follows a trend towards less power, which initially leads to lower volume flows available at the floor nozzle, so that due to the continuity relationship at the floor nozzles there are generally lower flow velocities.
  • the floor nozzles are adapted to the lower volume flows, in particular by means of additional lips on the suction mouths.
  • these additional lips increase the pushing forces acting on the floor nozzles, making handling more difficult for the user.
  • Another possibility is to equip the floor nozzles with agitators such as brush rollers, which actively work the floor surface and thus loosen dirt particles from the floor surface, in particular from carpet fibers. A satisfactory cleaning, especially on smooth floors, cannot be achieved with these solutions.
  • the reduction of the volume flow leads to insufficient cleaning results when using the vacuum cleaner on smooth floors.
  • the invention therefore presents the problem of specifying an improved vacuum cleaner and an improved method for setting a blower output of a vacuum cleaner.
  • a vacuum cleaner with the features of patent claim 1 and a method for setting a blower output of a vacuum cleaner according to claim 6.
  • a floor nozzle connected to the vacuum cleaner can pick up loosened dirt particles very effectively and thus ensure effective dust pick-up, in particular on smooth floors.
  • the reduction in volume flows in continuous operation also leads to lower flow losses, particularly with bagless separators, so that further energy can be saved here, whereby a higher volume flow can be set if necessary, if stubborn dirt, particularly on smooth floors, has to be removed from the floor surface.
  • the advantages which can be achieved with the invention are that the increase in output due to the additional boost output depends on the nature and the degree of contamination of the floor surface to be cleaned can be increased differentially. This allows the increase in performance to be adjusted to the needs of the user and the application.
  • the setting device which provides an adjustable boost output for a short-term operation of the vacuum cleaner, which is higher than the adjustable intensive output offers a better adjustment of the vacuum cleaner to the customer's needs, since the differentially adjustable performance of the blower offers optimal application possibilities on different floor surfaces.
  • the floor surface can be covered by a textile floor covering such as a carpet or carpet or by a smooth floor such as. B. a wooden parquet, laminate or PVC flooring.
  • the vacuum cleaner has a blower for generating a negative pressure, through which the floor nozzle guided over a floor surface to be cleaned picks up dust and dirt from the floor surface.
  • the floor nozzle is moved back and forth in the machining direction by the user by means of pushing and pulling movements.
  • the floor nozzle slides over the floor surface to be cleaned.
  • the underside of the floor nozzle slides over the carpet, while the underside of smooth floors floats over these floor surfaces, possibly with spacer bristles.
  • the user can, for example, handle a handle of the vacuum cleaner connected to the suction pipe.
  • the suction mouth of the floor nozzle is elongated and essentially runs transversely to the working direction.
  • elongated means that the preferably substantially rectangular suction mouth has a greater length transversely to the machining direction than the width in the machining direction.
  • the suction mouth is preferably between 20 and 30 cm long across the processing direction.
  • the vacuum cleaner can also be designed as a self-driving vacuum cleaner, in particular a vacuum robot, so that the processing direction of the floor nozzle corresponds to the direction of travel of the self-driving vacuum cleaner.
  • a vacuum cleaner housing of the vacuum cleaner can have a dust receiving chamber in which the dust picked up via the floor nozzle can be collected, for example, in a dust bag.
  • the setting device is designed to increase the blower power to the intensive power and / or the boost power using a request signal for increasing the blower power.
  • the request signal can be an electrical signal represent.
  • the request signal can be used to request a user or a component of the vacuum cleaner, for example a special floor nozzle, to increase the blower output via the maximum output of the continuous operation. For example, by plugging special suction accessories onto the vacuum cleaner, the blower output can be briefly increased to intensive or boost output.
  • the request signal can be used to activate a boost function of the vacuum cleaner, in which the blower output of the vacuum cleaner can be increased briefly via the maximum output for continuous operation.
  • a user interface is designed to receive a request signal from the user of the vacuum cleaner to increase the blower output.
  • the user interface for receiving the request signal by the user of the vacuum cleaner can be designed as a push button switch or slider or the like.
  • Such a user interface can be attached to a handle of the vacuum cleaner as well as to the housing of the vacuum cleaner.
  • the signals of the user interface arranged on a handle can be transmitted by radio to the setting device in the device housing of the vacuum cleaner.
  • the user interface in or on the handle preferably has its own power supply in the form of an accumulator or a battery.
  • the setting device is designed to set the boost power using a request signal for increasing the blower power when the blower is operated at intensive power. It is provided to operate the vacuum cleaner in such a way that by generating the request signal once, a blower output increased to intensive power is called up for a first period and by generating the request signal again in the first period, the blower output is increased to boost power for a second period. As a result, the blower output can be increased simply and differentially. However, it is also possible to directly call up the boost power that can be set via the setting device via the request signal. As a result, the power levels of the blower can be quickly selected manually, so that the user can choose between intensive power and the even higher boost power.
  • the setting device is designed to automatically switch back to the maximum power after a brief operation of the blower with intensive power and / or with boost power. With the automatic switch back to maximum power, the setting device can be used to ensure that the vacuum cleaner works in an energy-efficient manner in continuous operation, so that the short-term performance increases are not included in the evaluation of the energy label.
  • the invention furthermore relates to a method for setting a blower output of a vacuum cleaner for cleaning and care of floor surfaces which has already been described in more detail below, the vacuum cleaner having a maximum power intended for continuous operation of the vacuum cleaner and an intensive power provided for short-term operation of the vacuum cleaner, wherein the intensive output is higher than the maximum output, a boost output provided for a brief operation of the vacuum cleaner being activated, the boost output being higher than the intensive output.
  • the blower output of a vacuum cleaner can be increased differentially, so that optimal cleaning results are achieved even on smooth floors and with stubborn dirt on the floor surface to be cleaned. The process ensures effective dust absorption, especially on smooth floors.
  • a fan that works efficiently in continuous operation at maximum output can enable an effective cleaning of the floor surface, in particular in the case of smooth floors, with sufficiently high flow rates due to a differentially increased fan output.
  • the short-term activation of the boost output can achieve good dust absorption values, especially on smooth floors.
  • a higher volume flow can be achieved by activating the boost output if stubborn dirt, especially on smooth floors, has to be removed from the floor surface.
  • the boost output that can be activated for a short-term operation of the vacuum cleaner, which is higher than the intended intensive output offers suitable setting options for the blower output to the respective application situation of the vacuum cleaner operated in this way.
  • a further advantage of the embodiment of the method is that the blower power is set using a request signal to increase the blower power to the intensive power and / or the boost power.
  • the request signal can represent an electrical signal.
  • a boost function of a vacuum cleaner operated in this way can be activated, in which the blower output of the vacuum cleaner can be briefly increased via the maximum output for continuous operation in several output ranges.
  • An advantageous embodiment of the method provides that the request signal is activated by the user via a user interface.
  • the request signal can be triggered by the user of the vacuum cleaner via the user interface. It is provided to operate the vacuum cleaner in such a way that a blower output which is gradually increased compared to the maximum output in continuous operation is called up by actuating the user interface.
  • the boost power is set using a request signal to increase the blower power when the intensive power is set.
  • the setting of the blower is provided, by generating the request signal once to set a blower output increased to intensive power for a first period and, when the request signal is generated again, to increase the blower output to the boost output for a second period.
  • the blower output can be increased easily and differentially.
  • Another option is the direct selection of the intended power via the generated request signal, so that the user can choose directly between the intensive power and the even higher boost power.
  • a preferred embodiment of the method provides that after a brief operation with intensive power and / or with boost power, the system automatically switches back to the maximum power.
  • the automatic switch back to maximum power ensures that the vacuum cleaner operated in this way works energy-efficiently in continuous operation and requested increases in performance do not permanently increase the consumption of the vacuum cleaner.
  • a vacuum cleaner 1 with a floor nozzle 5 is shown purely schematically.
  • the representation according to Figure 1 shows a vacuum cleaner 1 according to the invention with a floor nozzle 5 connected to the vacuum cleaner 1.
  • the vacuum cleaner 1 shown in the exemplary embodiment is a so-called canister vacuum cleaner.
  • the floor nozzle 5 is connected here via its connecting piece 6 to a suction pipe 7 which is preferably designed to be telescopic.
  • the floor nozzle 5 in this exemplary embodiment shown has its own housing 9 which is independent of the vacuum cleaner housing 8, 8a.
  • the telescopic suction pipe 7 merges into a handle 10 to which a suction hose 11 is connected, which is connected to the vacuum cleaner housing 8, 8a.
  • a blower of the vacuum cleaner 1 (not shown) integrated in the vacuum cleaner housing 8 is connected via an electrical connection cable 12 Electricity operated to create a vacuum.
  • an electrical connection cable 12 Electricity operated to create a vacuum.
  • dirt and grime are absorbed from the floor surface 30 to be cleaned by an air flow via the suction mouth of the floor nozzle 5 and transported away into the housing 8, 8a of the vacuum cleaner 1 via the suction pipe 7 and the suction hose 11.
  • a separation system 2 which in the exemplary embodiment is designed as a dust bag.
  • This separation system 2 is located in a dust space 13 formed by the housing parts 8, 8a and the vacuum cleaner 1.
  • This dust space 13 is accessible and opened by a folding mechanism between the vacuum cleaner housing parts 8 and 8a, so that the separation system 2 is visible and removable.
  • the dust chamber 13 is closed and a negative pressure is generated.
  • the air flow generated by the negative pressure is freed of dirt and grime in the separating system 2 and led out of the vacuum cleaner 1 via an exhaust air grille 14.
  • a user interface 4 in the form of a kick switch 4.
  • This kick circuit 4 comprises switches which are large enough so that a user can operate them with their foot.
  • the kick switch 4 usually also has a switch for actuating the automatic winder (not shown) for the connecting cable 12 integrated in the vacuum cleaner housing 8, 8a.
  • On the handle 10 there is also a user interface 3 in the form of a manual circuit 3 with which functions of the vacuum cleaner 1 can be activated.
  • the vacuum cleaner 1 can be switched on and off via the manual switch 3 and power levels of the blower (not shown) can be selected.
  • a request signal D1, D2 ( Figure 2 ) to increase the fan power P ( Figure 2 ) on intensive care B ( Figure 2 ) or boost power C ( Figure 2 ) generated by the user.
  • the vacuum cleaner 1 has an adjusting device (not shown) for adjusting the power P ( Figure 2 ) of the vacuum cleaner fan, which is connected to the user interfaces 3, 4. This setting device can be used to set a maximum power A (for continuous operation) Figure 2 ) intended.
  • the setting device of the vacuum cleaner 1 switches the blower power P ( Figure 2 ) automatically into the maximum power A ( Figure 2 ) for continuous operation.
  • a user of the vacuum cleaner 1 can grasp the handle 10 and thus push the floor nozzle 5 back and forth in a processing direction 15 identified by a double arrow in a pushing and pulling movement in order to clean the floor surface 30.
  • the floor nozzle 5 slides over the floor surface 30 to be cleaned.
  • the underside of the floor nozzle 5 slides over the floor surface 30, while the underside of hard floors hovers over these floor surfaces 30, possibly by spacer bristles.
  • the floor nozzle 5 also has support elements 16 in the form of wheels, which ensure a defined distance from the underside to the floor surfaces 30 to be cleaned and simple handling when pushing the floor nozzle 5 back and forth. With the additional boost power C ( Figure 2 ), especially smooth floors can be effectively cleaned of stubborn dirt.
  • the Figure 2 shows a performance diagram for the blower power P of a vacuum cleaner 1 designed according to the invention and operated according to the proposed method ( Figure 1 ).
  • the power P of the blower is plotted on the ordinate in the diagram shown, while the abscissa indicates the time course t.
  • a switch 17 of a user interface 3, 4 ( Figure 1 ) shown, which generates a request signal D1 to increase the blower output when actuated by the user.
  • the vacuum cleaner 1 is operated in continuous operation via the setting device at a set maximum power A of 400 W, for example.
  • the blower power P is used for a brief operation of the vacuum cleaner 1 ( Figure 1 ) increased to, for example, 650 W via the setting device.
  • the increase in fan power P from maximum power A to intensive power B should preferably be approximately 50% compared to maximum power A.
  • the setting device automatically switches back to maximum power A.
  • the intensive power B is preferably set over a time interval of 2 to 30 minutes, more preferably 5 to 10 minutes, before the setting device automatically switches the blower back to maximum power A.
  • the user issues a further request signal D2 via the user interface 3 or 4 to increase the blower power P while the blower is operated at intensive power B.
  • This second request signal D2 leads to an increase in the blower power P by the adjusting device to a boost power C which is 900 W higher than the intensive power B, for example.
  • the boost power C should be increased by approximately 50% compared to the intensive power B or compared to the Maximum power A by about 125%.
  • the boost power C which can be set via the setting device can be activated by actuating the request signal D1, D2 twice via the plus switch 18.
  • the setting device After a brief operation of the blower at boost power C, the setting device automatically switches back to maximum power A, as shown in Figure 2 can be seen.
  • the short-term operation in the boost power C should include an interval of approximately 30-60 seconds.
  • the proposed solution sees an activation of the two power levels, intensive power B and boost power C, from the maximum power A by pressing the indicated plus button 18 or another switch or controller on a user interface 3, 4 ( Figure 1 ) in front.
  • the intensive power B is activated and from this the boost power C if a second request signal D2 is generated via the indicated plus button 18 during operation of the blower at intensive power B.
  • the setting device By pressing the plus button 18 again, the setting device jumps back from the power levels B, C for short operation to the maximum power A for continuous operation.
  • the blower is always operated in the last selected power level, unless the vacuum cleaner was switched off during short-term operation at intensive power B or boost power C. In this case, the fan is operated at maximum output A when it is switched on again.
  • the floor nozzle can also be designed as part of a self-propelled vacuum cleaner.

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

Claims (10)

  1. Aspirateur (1) pour le nettoyage et l'entretien des surfaces de sol (30), doté d'un ventilateur pour la production d'une dépression afin de recevoir les salissures au moyen d'un courant d'air et d'un système de séparation (2) pour le nettoyage de l'air aspiré des salissures, d'un dispositif de réglage pour le réglage de la puissance (P) du ventilateur, l'aspirateur (1) présentant une puissance maximale (A) réglable par l'intermédiaire du dispositif de réglage pour un fonctionnement de longue durée de l'aspirateur (1) et une puissance intensive (B) réglable par l'intermédiaire du dispositif de réglage pour un fonctionnement de courte durée de l'aspirateur (1), la puissance intensive (B) étant supérieure à la puissance maximale (A), caractérisé en ce que l'aspirateur (1) présente une puissance de suralimentation (C) réglable par l'intermédiaire du dispositif de réglage pour un fonctionnement de courte durée de l'aspirateur (1), la puissance de suralimentation (C) étant supérieure à la puissance intensive (B).
  2. Aspirateur (1) selon la revendication 1, caractérisé en ce que le dispositif de réglage est conçu pour augmenter la puissance du ventilateur (P) de façon à ce qu'elle passe à la puissance intensive (B) et/ou à la puissance de suralimentation (C), en utilisant un signal de demande (D1, D2) pour augmenter la puissance du ventilateur (P).
  3. Aspirateur (1) selon la revendication 1 ou 2, caractérisé en ce qu'une interface utilisateur (3, 4) est conçue pour recevoir un signal de demande (D1, D2) pour augmenter la puissance du ventilateur (P) par l'utilisateur de l'aspirateur (1).
  4. Aspirateur (1) selon la revendication 2 ou 3, caractérisé en ce que le dispositif de réglage est conçu pour régler la puissance de suralimentation (C) en utilisant un signal de demande (D2) pour augmenter la puissance du ventilateur (P) lorsque le ventilateur fonctionne à la puissance intensive (B).
  5. Aspirateur (1) selon l'une des revendications 1 à 4, caractérisé en ce que le dispositif de réglage est conçu pour revenir automatiquement à la puissance maximale (A) après un fonctionnement de courte durée du ventilateur à la puissance intensive (B) et/ou à la puissance de suralimentation (C).
  6. Procédé de réglage de la puissance du ventilateur (P) d'un aspirateur (1) pour le nettoyage et l'entretien des surfaces de sol (30), l'aspirateur (1) présentant une puissance maximale (A) prévue pour un fonctionnement de longue durée de l'aspirateur (1) et une puissance intensive (B) prévue pour un fonctionnement de courte durée de l'aspirateur (1), la puissance intensive (B) étant supérieure à la puissance maximale (A), caractérisé en ce qu'une puissance de suralimentation (C) prévue pour un fonctionnement de courte durée de l'aspirateur (1) est activée, la puissance de suralimentation (C) étant supérieure à la puissance intensive (B).
  7. Procédé selon la revendication 6, caractérisé en ce que la puissance du ventilateur (P) est réglée en utilisant un signal de demande (D1, D2) pour augmenter la puissance du ventilateur (P) de façon à ce qu'elle passe à la puissance intensive (B) et/ou à la puissance de suralimentation (C).
  8. Procédé selon la revendication 7, caractérisé en ce que le signal de demande (D1, D2) est activé par l'utilisateur par l'intermédiaire d'une interface utilisateur (3, 4).
  9. Procédé selon la revendication 7 ou 8, caractérisé en ce que la puissance de suralimentation (C) est réglée en utilisant un signal de demande (D1, D2) pour augmenter la puissance du ventilateur (P) lorsque la puissance intensive (B) est réglée.
  10. Procédé selon l'une des revendications 6 à 9, caractérisé en ce que le système revient automatiquement à la puissance maximale (A) après un fonctionnement de courte durée à la puissance intensive (B) et/ou à la puissance de suralimentation (C).
EP18184212.1A 2017-08-22 2018-07-18 Aspirateur et procédé de fonctionnement d'un aspirateur Active EP3446610B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017119109.7A DE102017119109A1 (de) 2017-08-22 2017-08-22 Staubsauger und Verfahren zum Betrieb eines Staubsaugers

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EP3446610A1 EP3446610A1 (fr) 2019-02-27
EP3446610B1 true EP3446610B1 (fr) 2020-01-29

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EP18184212.1A Active EP3446610B1 (fr) 2017-08-22 2018-07-18 Aspirateur et procédé de fonctionnement d'un aspirateur

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DE (1) DE102017119109A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2225219B (en) * 1988-10-19 1992-08-26 Hoover Plc Suction cleaner
EP0506187B1 (fr) * 1991-03-29 1995-06-28 Koninklijke Philips Electronics N.V. Appareil au moins muni d'un moteur électrique de puissance variable
DE29504662U1 (de) * 1994-04-06 1995-06-14 Philips Electronics Nv Staubsauger mit optischer Stand-by-Anzeige
DE102013109319A1 (de) 2013-08-28 2015-03-05 Miele & Cie. Kg Staubauger mit einer Steuerung zur Einstellung der Gebläseleistung
DE102014108479A1 (de) 2014-06-17 2015-12-17 Miele & Cie. Kg Verfahren und Einstellvorrichtung zum Einstellen einer Betriebsleistung einer Saugvorrichtung, Handgriff zum Führen einer Saugvorrichtung sowie Saugvorrichtung
DE102015106878A1 (de) * 2015-05-04 2016-11-10 Miele & Cie. Kg Staubsauger und Verfahren zum Steuern einer Energieversorgung in einem Staubsauger

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DE102017119109A1 (de) 2019-02-28
EP3446610A1 (fr) 2019-02-27

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