EP1894507B1 - Système aspirateur de poussières commandé par bus - Google Patents

Système aspirateur de poussières commandé par bus Download PDF

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Publication number
EP1894507B1
EP1894507B1 EP06018371A EP06018371A EP1894507B1 EP 1894507 B1 EP1894507 B1 EP 1894507B1 EP 06018371 A EP06018371 A EP 06018371A EP 06018371 A EP06018371 A EP 06018371A EP 1894507 B1 EP1894507 B1 EP 1894507B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
control
display panel
cleaner system
control unit
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.)
Not-in-force
Application number
EP06018371A
Other languages
German (de)
English (en)
Other versions
EP1894507A1 (fr
Inventor
Claus Ruckstuhl
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.)
Zsa Vertriebs Zentrale Staubsauger-Anlagen GmbH
Original Assignee
Zsa Vertriebs Zentrale Staubsauger-Anlagen 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 Zsa Vertriebs Zentrale Staubsauger-Anlagen GmbH filed Critical Zsa Vertriebs Zentrale Staubsauger-Anlagen GmbH
Priority to EP06018371A priority Critical patent/EP1894507B1/fr
Priority to AT06018371T priority patent/ATE483389T1/de
Priority to DE502006008025T priority patent/DE502006008025D1/de
Priority to ES06018371T priority patent/ES2354082T3/es
Publication of EP1894507A1 publication Critical patent/EP1894507A1/fr
Application granted granted Critical
Publication of EP1894507B1 publication Critical patent/EP1894507B1/fr
Not-in-force 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/38—Built-in suction cleaner installations, i.e. with fixed tube system to which, at different stations, hoses can be connected
    • 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
    • A47L9/2894—Details related to signal transmission in suction cleaners
    • 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
    • A47L9/32—Handles
    • A47L9/327—Handles for suction cleaners with hose between nozzle and casing

Definitions

  • the invention relates to a bus ("bidrectionaluniversalswitch") - controlled vacuum cleaner system according to the preamble of claim 1.
  • the vacuum cleaner system comprises a multifunctional control and display panel, with which the individual functions of the vacuum cleaner can be operated, and a control unit. There is a bidirectional connection between the suction control and the control and display field, which enables bilateral digital data exchange between the components.
  • Such vacuum cleaner systems are for example in the US 4,654,924 A . US 2004/144633 A1 and the US 5,274,878 A described.
  • the widely used in the prior art household vacuum cleaners are designed for a portable application and ease of use for use in a household.
  • Such vacuum cleaners are operated either via the mains or with a battery.
  • Such a vacuum cleaner is for example in the EP 1 410 751 A2 described.
  • central vacuum cleaners in which the dirt container and the vacuum cleaner control are positioned in a building in a space-centered manner. Through the building lead from the central unit suction, ie special vacuum lines to the individual rooms. There are junction boxes in the rooms. The suction hose is connected to these and made ready for operation.
  • the vacuum pipes are laid either on the raw floor or in the flush.
  • a control cable is integrated into the suction hose and connected to a switch on the handle.
  • the control circuit is usually operated with 12 to 24 volts and switches on the other end a relay, which turns the load circuit on or off.
  • a central vacuum system is for example in the EP 1 314 389 A . US 5,924,164 and US 5,926,908 described.
  • a switch is arranged on the handle of a vacuum cleaner with a cable which extends from the handle via a suction hose to the vacuum cleaner housing, in order to transmit analogue control signals to the vacuum cleaner.
  • the cable is attached to the suction hose.
  • the present invention is therefore based on the object to provide a vacuum cleaner system in which the control signals are transmitted in the form of data packets in a bidirectional manner from the control unit on the vacuum cleaner to the vacuum cleaner control. It should be dispensed with the large number of required for each function control cable as in known systems, and all functions should be operated via a single data cable.
  • the vacuum cleaner according to the invention consists of a control and display panel, which is mounted either on the handle or on the suction hose.
  • the HMI device transmits control commands to the controller mounted in the vacuum cleaner via a command transmitter.
  • the vacuum cleaner control is in another room of the building, for example in the basement or an adjacent outbuilding. Transferring the suction power via a permanently installed pipe system to the respective place of use in a building.
  • the flexible suction tube covers the control and display panel and is connected via a junction box in the respective room with the permanently installed pipe system.
  • the connection between the control and display panel and the vacuum cleaner control via a running in or on the suction pipes signal line.
  • the current operating status and the individual functions of the vacuum cleaner are shown on the display panel by means of display elements.
  • the operating and display panel and the control unit are connected to each other via a two-wire cable: one cable is intended for power supply and data transmission, while the other cable is used as ground.
  • the contact is made via the space-mounted junction box for the vacuum cleaner.
  • the vacuum cleaner When connecting to the junction box, the vacuum cleaner is activated and turned on.
  • the power supply and the data exchange between the controller and control panel via a single line. As a result, the other lines of the previous systems can be saved.
  • the data exchange is telegram-based and bidirectional in a half-duplex process.
  • a half-duplex method the data transfer in the bus system from master to slave takes place in one direction. In this way, the instruction sets are transferred.
  • the slave HMI device
  • the master central device.
  • the control panel and the controller take over alternately the function as sender and receiver.
  • the central controller receives the individual control commands and controls, for example, the vacuum motor according to the received data.
  • the operating and display panel contains the buttons and switches required for the individual functions of the vacuum cleaner.
  • the control panel is an on / off switch for the vacuum cleaner, a button for setting the power level for the suction power (for example in stages 1, 2, 3),
  • display and switching elements are provided for service functions.
  • the display part may display information about the detected device status by means of light emitting diodes (LED), and service signals for coal change, for filter cleaning and for emptying the waste container may be displayed via the visual display panel to the user.
  • the display elements can either are located next to the function icons on the control and display panel or, if the icons are transparent, behind.
  • the control unit of the vacuum cleaner system manages the service intervals and controls the vacuum motor according to the selected power level.
  • the suction motor is switched on, there is an additional monitoring function which switches off the vacuum cleaner when the suction pipe is closed.
  • this feature provides an effective child safety feature when there is a blockage in the suction hose, which could happen if a child blocks the suction hose.
  • the shutdown occurs via a change in the quiescent current. If the intake manifold is kept closed for a longer period, the quiescent current changes due to the changed suction power. If the quiescent current is exceeded for a certain time, the system switches off.
  • non-intelligent control units preferably a switch on the suction hose is provided for this purpose.
  • control can be used by a selection of predefined parameter sets for different suction types. This makes the suction system flexible and adaptable to different situations.
  • the bus system transmits the individual instruction sets based on potential differences that are established via the data line from the central controller to the operating and display element. For example, the line is subjected to a voltage of 5 V and interrupted for periods of different lengths. This creates a pattern of potential differences. Each pattern is assigned to a specific vacuum cleaner function. Due to the pattern of potential differences, the system knows which function to perform.
  • the data bus system enables efficient and rapid management and bidirectional signal transmission between the operating and display panel on the suction hose and the central unit with the vacuum control.
  • information regarding the levels of the dust bag, maintenance signals and necessary filter and coal changes for the user are displayed.
  • the central unit in a central vacuum system with its control unit can also manage several remote vacuum cleaner hoses.
  • the suction power can be individually regulated for each vacuum cleaner hose.
  • the suction motor is adjusted up or down according to the setting on the control unit in its suction power, so that each Fernstaubsaugerschlauch receives the set via the control panel suction power.
  • Such a multi-unit system is particularly applicable in large industrial buildings with many floors.
  • the power of the electric motor must be sufficient. In such a case, the electric motor must be able to supply not just one, but several dust hoses with the corresponding maximum power.
  • each hose has its own digital addressing.
  • addressing can also be done dynamically by the system, for example, when a suction hose is plugged into the respective junction box.
  • a KEN bus system is used as the bus system.
  • a LIN ("local interconnect network") bus system can be used.
  • dynamic addressing the system is flexible, and theoretically any number of suction hoses can be connected to the system.
  • the number of hoses is limited by the power of the electric motor, whose performance must be adjusted according to the number of suction hoses.
  • the individual junction boxes are provided with their own suction lines.
  • the individual floors in a large industrial building may be provided with its own suction pipe system, and an electric motor may apply different suction powers to the individual vacuum cleaner hoses.
  • an electric motor may apply different suction powers to the individual vacuum cleaner hoses.
  • more than one electric motor is used to apply suction power to the suction lines.
  • more than one electric motor is used to apply suction power to the suction lines.
  • the power supply for the control panel is preferably via interface signals. These are obtained from the sucker control.
  • the control panel is turned on automatically by attaching the suction hose.
  • a central vacuum system can also be provided that when removing the suction hose from the socket in the room, the vacuum cleaner system is automatically switched off. A manual shutdown of the central vacuum is then no longer necessary.
  • a separate on-off switch for the control panel does not necessarily have to be present.
  • the data transmission between the control unit and the vacuum cleaner control is insensitive to disturbances of other systems and safe from disturbing influences, such as may occur in wireless radio systems, for example. Due to the bidirectional data communication, an automatic log-on of the individual remote-controlled suction hose with its control panel on the central unit also takes place.
  • bus system Another advantage of the bus system is that, in the case of a central vacuum system, more than two subscribers can be connected to a central unit.
  • the data line for the bus system is preferably integrated in the suction hose or permanently installed Saugleitersystem.
  • the individual remote hoses with their control and display panels are supplied with data packets from the central unit.
  • a computer controlled operation of the vacuum cleaner system is provided.
  • all data sent from the individual remote hoses are received by a computer and analyzed by it, the computer generates instruction sets, which in turn control the central unit.
  • the computer For example, from a remote suction hose, a command set for increasing suction power may be received by the computer so that the computer can control the suction motor with the power required for each individual suction hose.
  • Fig. 1 a surface representation of a control and display panel on a vacuum cleaner handle.
  • Fig. 1 recognizes the control and display panel 10 with arranged thereon push buttons and display elements for function control and functional state of the vacuum cleaner system.
  • the control and display panel 10 is preferably located on the vacuum cleaner handle 1 or directly on the suction hose 2.
  • the vacuum cleaner handle 1 can be formed either from the suction hose 2 or as a separate handle system.
  • an on / off switch 12 is provided on the control and display panel.
  • To increase and decrease the suction power push buttons 14 are located on the control and display panel 10, Via display means 22, the degree of degree of suction power is displayed.
  • the suction power in stages can be regulated.
  • the suction power of the vacuum cleaner is controlled depending on the power consumption.
  • the vacuum cleaner system includes a safety circuit, so that in a blockage of the suction hose 2 of the vacuum cleaner is automatically switched off (eg as child safety).
  • a shutdown is also provided if no fluctuations in the current consumption are registered for a certain time (eg for one hour). This is the case, for example, when it is forgotten to turn off the central vacuum.
  • control and display panel is connected via a data bus system to the control unit of the vacuum cleaner system.
  • the data line is integrated in the suction hose 2. Due to the bidirectional connection between control and display panel 10 and the vacuum cleaner is a constant communication between the control and display panel 10 on the one hand and the control unit on the central device instead.
  • a display means 16 For displaying the maintenance condition, a display means 16 is provided. If there is a fault or carbon brushes have to be changed on the vacuum cleaner system, the control and display panel 10 receives from the central unit the corresponding instruction set, so that the electronics in the control and display panel 10 causes the display element 16 lights up. If this is the case, the user knows that there is a fault and needs to be eliminated.
  • a display element 18 located on the control and display panel 10, a display element 18 to indicate to the user that the dirt container must be emptied. In a central vacuum system, this signal is sent to all the remote vacuum cleaner hoses transmitted.
  • the measuring of the degree of filling of the dirt container can preferably take place via pressure sensors, which are arranged in or on the dirt container.
  • a filter change is displayed to the user via a display element 20.
  • the illumination of the indicator means 20 indicates that the filter is to be cleaned.
  • This signal is also transmitted via the bus system from the control unit of the central unit to the individual suction hoses 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Paper (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Manipulator (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Claims (9)

  1. Système aspirateur de poussières, comprenant
    - un panneau (10) de commande et d'affichage,
    - un dispositif collecteur de poussières,
    - un flexible d'aspiration (2) relié au dispositif collecteur de poussières,
    - un moteur d'aspirateur,
    - une unité de commande pour la commande de l'aspirateur,
    - sachant que des touches (12, 14) pour commander le système aspirateur de poussières et des moyens d'affichage (16, 18, 20, 22) pour afficher différents états de fonctionnement du système aspirateur de poussières se trouvent sur le panneau (10) de commande et d'affichage,
    - et que le panneau (10) de commande et d'affichage est relié à l'unité de commande du système aspirateur de poussières par l'intermédiaire d'une ligne de transmission de données au moyen d'un système de bus (« bidirectional universal switch »), de sorte qu'une liaison bidirectionnelle de données est réalisée entre le panneau (10) de commande et d'affichage et l'unité de commande, qui permet d'émettre des signaux numériques de commande de l'unité de commande au panneau (10) de commande et d'affichage, ou d'en recevoir depuis ce dernier,
    caractérisé en ce qu'il s'agit d'un système aspirateur de poussières central, selon lequel plus de deux flexibles (2) d'aspiration de poussières à distance sont reliés à un appareil central par l'intermédiaire d'un système de lignes intégré dans le bâtiment, sachant qu'une propre adresse d'identification est affectée par le système de bus à chaque flexible (2) d'aspiration de poussières à distance.
  2. Système aspirateur de poussières selon la revendication 1, caractérisé en ce que chaque flexible d'aspiration de poussières à distance possède une propre adresse pour émettre et recevoir des paquets de données adressés depuis et vers l'unité de commande de l'appareil central, et l'adresse est attribuée de façon soit dynamique soit fixe par le système de bus.
  3. Système aspirateur de poussières selon l'une des revendications précédentes, caractérisé en ce que l'alimentation électrique du panneau (10) de commande et d'affichage et la circulation de données entre l'unité de commande et le panneau (10) de commande et d'affichage s'effectuent par l'intermédiaire d'une unique ligne.
  4. Système aspirateur de poussières selon l'une des revendications précédentes, caractérisé en ce que l'échange de données entre le panneau (10) de commande et d'affichage et l'unité de commande est basée sur des télégrammes et s'effectue de façon bidirectionnelle en procédé semi-duplex.
  5. Système aspirateur de poussières selon l'une des revendications précédentes, caractérisé en ce que le panneau (10) de commande et d'affichage présente au moins une des fonctions suivantes :
    - interrupteur de marche/arrêt (12),
    - touches (14) pour commander la puissance d'aspiration,
    - élément d'affichage (16) pour afficher l'état d'entretien,
    - élément d'affichage (18) pour afficher le degré de remplissage du collecteur de poussières,
    - moyen d'affichage (20) pour le nettoyage du filtre, et
    - éléments d'affichage (22) pour représenter la puissance d'aspiration réglée.
  6. Système aspirateur de poussières selon l'une des revendications précédentes, caractérisé en ce que la puissance d'aspiration est régulée via l'absorption de courant.
  7. Système aspirateur de poussières selon l'une des revendications précédentes, caractérisé en ce que l'absorption de courant est activée/désactivée via des éléments de contact lors du branchement/débranchement du flexible d'aspiration sur une prise de raccordement d'un système aspirateur de poussières central.
  8. Système aspirateur de poussières selon l'une des revendications précédentes, caractérisé en ce qu'on utilise des diodes électroluminescentes (DEL) comme éléments d'affichage (16, 18, 20, 22).
  9. Système aspirateur de poussières selon l'une des revendications précédentes, caractérisé en ce que les paquets de données sont transmis sous la forme de différences de potentiel, chaque fonction sur le panneau (10) de commande et d'affichage étant affectée à un modèle donné de différences de potentiel et les modèles étant constitués d'éléments conducteurs de courant et d'éléments non conducteurs de courant.
EP06018371A 2006-09-01 2006-09-01 Système aspirateur de poussières commandé par bus Not-in-force EP1894507B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP06018371A EP1894507B1 (fr) 2006-09-01 2006-09-01 Système aspirateur de poussières commandé par bus
AT06018371T ATE483389T1 (de) 2006-09-01 2006-09-01 Bus-gesteuertes staubsaugersystem
DE502006008025T DE502006008025D1 (de) 2006-09-01 2006-09-01 Bus-gesteuertes Staubsaugersystem
ES06018371T ES2354082T3 (es) 2006-09-01 2006-09-01 Sistema aspirador de polvo controlado por bus.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06018371A EP1894507B1 (fr) 2006-09-01 2006-09-01 Système aspirateur de poussières commandé par bus

Publications (2)

Publication Number Publication Date
EP1894507A1 EP1894507A1 (fr) 2008-03-05
EP1894507B1 true EP1894507B1 (fr) 2010-10-06

Family

ID=37697861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06018371A Not-in-force EP1894507B1 (fr) 2006-09-01 2006-09-01 Système aspirateur de poussières commandé par bus

Country Status (4)

Country Link
EP (1) EP1894507B1 (fr)
AT (1) ATE483389T1 (fr)
DE (1) DE502006008025D1 (fr)
ES (1) ES2354082T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2113182B1 (fr) * 2008-05-02 2011-07-06 Black & Decker, Inc. Système de commande d'aspirateur
US8726457B2 (en) * 2011-12-30 2014-05-20 Techtronic Floor Care Technology Limited Vacuum cleaner with display
WO2017181040A2 (fr) 2016-04-15 2017-10-19 Tti (Macao Commercial Offshore) Limited Aspirateur et filtre pour aspirateur
AU201712063S (en) 2016-10-14 2017-04-26 Tti Macao Commercial Offshore Ltd Handheld vacuum cleaner
AU201712064S (en) 2016-10-14 2017-04-27 Tti Macao Commercial Offshore Ltd Handheld vacuum cleaner
AU201812645S (en) 2017-12-05 2018-07-31 Tti Macao Commercial Offshore Ltd Housing for a vacuum filter
WO2020046896A1 (fr) 2018-08-31 2020-03-05 Milwaukee Electric Tool Corporation Outil électrique incluant un filtre à air et un collecteur de débris

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
DE7715264U1 (de) 1977-05-13 1977-08-25 Grossversandhaus Quelle Gustav Schickedanz Kg, 8510 Fuerth Staubsauger
DE7813344U1 (de) 1978-05-02 1978-08-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Staubsauger
US4654924A (en) 1985-12-31 1987-04-07 Whirlpool Corporation Microcomputer control system for a canister vacuum cleaner
US5173646A (en) * 1990-09-18 1992-12-22 Reid William J Vacuum cleaner control circuit
US5274878A (en) 1991-07-23 1994-01-04 Cen-Tec Systems Inc. Remote control system for central vacuum systems
US5926908A (en) 1995-06-07 1999-07-27 Lindsay Manufacturing, Inc. Acoustic communicator for central vacuum cleaners
AT410889B (de) 2001-11-23 2003-08-25 Wiedemann Thomas Saugschlaucheinrichtung für ein einen zentralstaubsauger umfassendes zentralstaubsaugersystem
JP2004135835A (ja) 2002-10-17 2004-05-13 Toshiba Tec Corp 電気掃除機
US7220930B2 (en) 2003-01-28 2007-05-22 The Hoover Company Floor care appliance with an electro luminescent switch panel

Also Published As

Publication number Publication date
ES2354082T3 (es) 2011-03-09
ATE483389T1 (de) 2010-10-15
EP1894507A1 (fr) 2008-03-05
DE502006008025D1 (de) 2010-11-18

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