EP3643215B1 - Procédé et dispositif de détection d'un type de brosse motorisée pour un aspirateur, procédé et dispositif de fonctionnement d'un aspirateur, brosse motorisée pour un aspirateur et aspirateur - Google Patents

Procédé et dispositif de détection d'un type de brosse motorisée pour un aspirateur, procédé et dispositif de fonctionnement d'un aspirateur, brosse motorisée pour un aspirateur et aspirateur Download PDF

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Publication number
EP3643215B1
EP3643215B1 EP19199501.8A EP19199501A EP3643215B1 EP 3643215 B1 EP3643215 B1 EP 3643215B1 EP 19199501 A EP19199501 A EP 19199501A EP 3643215 B1 EP3643215 B1 EP 3643215B1
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EP
European Patent Office
Prior art keywords
brush
vacuum cleaner
signal
motor
characteristic
Prior art date
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Application number
EP19199501.8A
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German (de)
English (en)
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EP3643215A1 (fr
Inventor
Tobias Rodehüser
Alexander Neufeld
Dennis Walfort
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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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
    • A47L9/28—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
    • 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
    • A47L9/2847—Surface treating elements

Definitions

  • Method and device for recognizing a type of motor-driven brush for a vacuum cleaner method and device for operating a vacuum cleaner, motor-driven brush for a vacuum cleaner and vacuum cleaner
  • the invention relates to a method and an apparatus for recognizing a type of a motor-driven brush for a vacuum cleaner, a method and an apparatus for operating a vacuum cleaner having a motor-driven brush, a motor-driven brush for a vacuum cleaner and a vacuum cleaner.
  • a vacuum cleaner may have one or more motorized brushes.
  • the brush can be designed to operate on a specific surface, for example a hard floor, a carpet or upholstered furniture. To operate the brush, it can be detected whether the brush is connected to the vacuum cleaner.
  • the DE 28 14 729 A1 discloses a vacuum cleaner with automatic nozzle recognition, with a nozzle-specific control element arranged in the nozzle being set up to control the speed of the vacuum cleaner fan.
  • the U.S. 2007/0157418 A1 discloses a vacuum cleaner, wherein the vacuum cleaner is designed to identify which nozzle is connected to the vacuum cleaner via the resistivity of a nozzle.
  • the object of the invention is an improved method and an improved device for identifying a type of motor-driven brush for a vacuum cleaner, an improved method and an improved device for operating a vacuum cleaner having a motor-driven brush, an improved motor-driven brush for a vacuum cleaner and an improved to create a vacuum cleaner.
  • this object is achieved by a method and a device for identifying a type of motor-driven brush for a vacuum cleaner, a method and a device for operating a vacuum cleaner having a motor-driven brush, a motor-driven brush for a vacuum cleaner and a vacuum cleaner with the steps or features of the main claims resolved.
  • a type of motor-driven brush can be identified in order to be able to set a brush control depending on the identified type. This is advantageous for influencing the cleaning result of the brush through the regulation.
  • the brush can have a motor and a have a signal modifier in series with the motor.
  • the type of brush can be identified by means of an electrical signal that is provided to the motor and forwarded to the signal modifier.
  • the inductance of the signal modifier can also increase electromagnetic compatibility of the brush and thus of the vacuum cleaner.
  • the approach described here can advantageously be implemented in a cost-effective manner.
  • a method for identifying a type of power brush for a vacuum cleaner is presented.
  • the brush has a first electrical contact, a second electrical contact and a series connection of at least one signal modifier and a motor connected between the first electrical contact and the second electrical contact.
  • the method has at least one step of providing, a step of reading in, a step of determining and a step of determining.
  • an excitation signal with an excitation characteristic is provided at an interface to the first contact.
  • a measurement signal is read in at an interface to the second contact.
  • a characteristic signal indicating a characteristic of the measurement signal is determined.
  • the type of brush is determined using the characteristic signal.
  • the vacuum cleaner can be, for example, a hand-held vacuum cleaner or a vacuum robot.
  • the vacuum cleaner can, for example, include a rechargeable energy store and be designed as a cordless vacuum cleaner.
  • the brush can be understood, for example, as a floor brush of the vacuum cleaner.
  • the motor can be a DC motor, such as a brushless DC motor or a PMDC motor.
  • the excitation signal can be an electrical signal.
  • the excitation characteristic can depict a voltage pulse, for example.
  • the measurement signal can also be an electrical signal.
  • the characteristic of the measurement signal can be a step response of the current, for example. Based on the characteristics of the measurement signal, the brush can be recognized and the type of brush can be assigned.
  • a coil or a circuit element can function as a signal modifier.
  • the signal modifier is designed to change a characteristic of the measurement signal.
  • the signal modifier is designed to modify an amplitude and/or a time constant of the measurement signal.
  • the type of brush in the determination step, can be determined using an allocation table and the characteristic signal.
  • the assignment table can show a relationship between different characteristics of the measurement signal and different types of brush.
  • different brushes with similar motors can thus be distinguished from one another and the type of brush can be reliably identified.
  • the excitation characteristic in the step of providing, can be a square-wave pulse.
  • the measurement signal can be read in as a step response of the square-wave pulse.
  • the square-wave pulse can be a voltage pulse, for example. Such a square-wave pulse is particularly suitable for effecting a meaningful step response.
  • the excitation characteristic can also be a triangular signal or a sinusoidal signal in the step of providing.
  • an amplitude can be determined as a characteristic of the measurement signal. Additionally or alternatively, a time profile of the measurement signal can be determined as a characteristic.
  • the brush can be recognized particularly easily in this way.
  • a detection signal in the step of determining, can be provided that represents the type of brush that has been determined.
  • the detection signal can be used to control the brush, for example to regulate a specific function of the brush or to set the power of the brush.
  • a method for operating a vacuum cleaner having a motor-driven brush has at least one implementation step and one providing step.
  • the steps of an embodiment of the above method are performed to identify a type of power brush for the vacuum cleaner.
  • the providing step the excitation signal having an operating characteristic for driving the motor of the brush using the type of motor-driven brush is provided to the interface to the first contact.
  • the brush can thus be operated by means of the vacuum cleaner, wherein the vacuum cleaner can be operated taking into account the recognized brush, for example in order to adjust the power of the motor or the brush depending on the type of brush. This is advantageous in adjusting cleaning performance of the brush according to the type of brush, which is advantageous in terms of cleaning performance of the vacuum cleaner.
  • the approach presented here also creates a device that is designed to carry out, control or implement the steps of a variant of a method presented here in corresponding devices.
  • the object on which the invention is based can also be achieved quickly and efficiently by this embodiment variant of the invention in the form of a device.
  • the device can be designed to read in input signals and to determine and provide output signals using the input signals.
  • An input signal can represent, for example, a sensor signal that can be read in via an input interface of the device.
  • An output signal may represent a control signal or a data signal that may be provided at an output interface of the device.
  • the device can be designed to determine the output signals using a processing specification implemented in hardware or software.
  • the device can include a logic circuit, an integrated circuit or a software module for this purpose and can be implemented as a discrete component, for example, or can be comprised of a discrete component.
  • a motor-driven brush for a vacuum cleaner is also presented.
  • the brush has a first electrical contact, a second electrical contact, a series circuit connected between the first electrical contact and the second electrical contact with at least one coil or other circuit element as a signal modifier, and a motor for driving the brush.
  • a vacuum cleaner is presented with an embodiment of the motor-driven brush and with an embodiment of the above-mentioned device.
  • a computer program product or computer program with program code which can be stored on a machine-readable carrier or storage medium such as a semiconductor memory, a hard disk memory or an optical memory, is also advantageous. If the program product or program is executed on a computer or a device, then the program product or program can be used to carry out, implement and/or control the steps of the method according to one of the embodiments described above.
  • figure 1 shows a schematic representation of a vacuum cleaner 100 with a motor-driven brush 105 and with a device 110 for detecting a type of motor-driven brush 105 for the vacuum cleaner 100 according to an embodiment.
  • the motor-driven brush 105 comprises a first electrical contact 115, a second electrical contact 120, and a series connection of at least one coil 125 and a motor 130, connected between the first electrical contact 115 and the second electrical contact 120, for driving the brush 105.
  • the device 110 comprises a provision device 135, a determination device 140 and a determination device 145.
  • the determination device 140 can also be designed as a measuring unit.
  • the provision device 140 is formed, an excitation signal 150 with a Provide excitation characteristics to an interface to the first contact 115.
  • the device 110 is designed to read in a measurement signal 155 at an interface to the second contact 120 .
  • Determination device 140 is designed to determine a characteristic signal 160 indicating a characteristic of measurement signal 155 .
  • Determination device 145 is designed to determine the type of brush 105 using characteristic signal 160 .
  • determination device 145 is designed to determine the type of brush 105 using an assignment table and characteristic signal 160 .
  • the assignment table depicts a connection between different characteristics of the measurement signal 155 and different types of the brush 105 .
  • the excitation characteristic of the excitation signal 150 is a square-wave pulse.
  • a square-wave pulse is exemplified in figure 3 shown.
  • device 110 is designed to read in measurement signal 155 as a step response of the square-wave pulse.
  • a step response is exemplified in figure 6 shown.
  • the determination device 140 is also designed to determine an amplitude of the measurement signal 155 as the characteristic. Additionally or alternatively, determination device 140 is designed to determine a time profile of measurement signal 155 as the characteristic. For this purpose, the determination device 140 can be designed to carry out a suitable evaluation of the measurement signal 155 .
  • the determination device 145 is designed to provide a detection signal 165 that represents the type of brush 105 determined.
  • the device 110 is also designed to operate the vacuum cleaner 100 having the motor-driven brush 105 .
  • the type of motor-driven brush 105 is first identified.
  • the recognition signal 165 representing the determined type of brush 105 is provided to the provision device 135 according to the exemplary embodiment shown here.
  • the providing device 135 is designed to provide the excitation signal 150 with an operating characteristic for operating the motor 120 of the brush 105 at the interface to the first contact 115 using the type of motor-driven brush 105 .
  • the operating characteristic defines, for example, a course of an operating voltage for operating motor 120.
  • the device 110 it is possible to recognize different motor-driven brushes 105 on a vacuum cleaner 100 . This is advantageous in order to achieve a good cleaning result by controlling the brush 105 .
  • the different brushes 105 are recognized by the device 110 and can thus be distinguished from the vacuum cleaner 100 in order to switch a control parameter or an entire control structure according to the type of brush 105 .
  • the series connection with the coil 125 this is possible even if the motors 130 of the different brushes 105 are similar in terms of structure and parameters.
  • the advantage of using a series inductance by means of the series connection of the motor 130 and the coil 125 is that only one additional component in the form of the coil 125 is used to realize the detection of the brush 105, which is also passive. When the brush 105 is in operation, only the ohmic resistance of the inductance acts, so that the losses are kept low. If the vacuum cleaner 100 uses several different types of brush 105, it is possible to build in the additional inductance in brushes 105 that are not standard or rarely used, e.g. in an upholstery brush to keep the losses and costs low with the standard brush. In addition, the inductance of the coil 125 can contribute to interference suppression with regard to electromagnetic compatibility of the brush 105 and thus of the vacuum cleaner 100 . Advantageously, additional components such as expensive ferrites for reducing interference are then not required.
  • FIG figure 2 shows a circuit diagram of a vacuum cleaner 100 according to an embodiment.
  • the vacuum cleaner 100 of the circuit diagram shown here is similar to or corresponds to that based on FIG figure 1 described vacuum cleaner.
  • the vacuum cleaner 100 includes the determination device 140, which is designed here as a shunt for current measurement.
  • the vacuum cleaner includes a battery 205, for example a rechargeable battery, an intermediate circuit capacitor 210, a first switch 215 and a second switch 220.
  • the first switch 215 and the second switch 220 are embodied here by way of example as metal-oxide-semiconductor field-effect transistors, as MOSFETs in power electronics.
  • the battery 205 has a first connection, in this case the positive pole, for example, which is connected to a first connection of the intermediate circuit capacitor 210 and to a first connection of the first switch 215 .
  • a second connection of the first switch 215 is connected to a first connection of the second switch 220 .
  • the second terminal of the first switch 215 is connected to a first terminal of the motor 130 and a second terminal of the motor is connected to a first terminal of the coil 125 .
  • a second connection of coil 125 is connected to a first connection of the shunt of determination device 140, and a second connection of the shunt of determination device 140 is connected to a second connection of second switch 220, a second connection of intermediate circuit capacitor 210 and to a second connection of the battery 205, the negative pole.
  • the excitation signal is first provided as an electrical signal for detecting a type of brush and then as an electrical signal for driving the motor 130 by means of the battery 205 and a suitable control of the switches 215 , 220 . If the excitation signal is provided as an electrical signal for detecting the type of brush, the measurement signal is detected using the determination device 140 and provided.
  • figure 3 15 shows a characteristic curve of an excitation signal 150 for detecting a type of a motor-driven brush for a vacuum cleaner according to an embodiment.
  • the characteristic shows an example of an excitation characteristic of the excitation signal 150.
  • the excitation characteristic is shown here as a square-wave pulse and depicts a voltage pulse. According to one exemplary embodiment, the excitation signal 150 is not suitable for driving the motor of the brush due to the excitation characteristic.
  • figure 4 15 shows a characteristic curve of a measurement signal 155 for detecting a type of motor-driven brush for a vacuum cleaner according to an embodiment.
  • a characteristic of the measurement signal 155 is shown as an example, which is determined by the in figure 3 shown excitation signal is effected.
  • the characteristic shown here is an example of the measurement signal 155 as an electrical signal when the brush is motor-driven but has no coil.
  • the measurement signal 150 has a steep rise up to a first amplitude and then a flatter fall.
  • figure 5 shows accordingly figure 4 a further characteristic curve of a measurement signal 155 for detecting a further type of motor-driven brush for a vacuum cleaner according to FIG an embodiment.
  • the characteristics of the measurement signal 155 shown here are similar to those mentioned above figure 4 characteristic shown, since the characteristic for the measurement signal 155 as an electrical signal of a motor-driven brush without a coil with a very similar motor to the brush in the previous figure is shown here by way of example.
  • the measurement signal 150 also has a steep rise up to a second amplitude and then a flatter fall. The second amplitude is slightly larger than the first amplitude of the in figure 4 shown measurement signal.
  • figure 6 15 shows a characteristic curve of a measurement signal 155 for detecting a type of motor-driven brush for a vacuum cleaner according to an embodiment.
  • a characteristic of the measurement signal 155 is shown as an example as an electrical signal for the motor-driven brush with additional inductance, ie for the series connection of the motor and the coil.
  • the characteristic of the measurement signal 155 shown here differs significantly from that in FIGS figures 4 and 5 characteristics shown, since the coil causes a change in characteristics that is advantageous for identifying the type of brush.
  • the measurement signal 150 has a characteristic as compared to that in FIGS figures 4 and 5 Characteristics shown a somewhat flatter increase up to a third amplitude, which is exemplary only about a quarter of the size of the amplitudes in the figures 4 and 5 characteristics shown. Then the characteristic shows a very elongated flat drop. For example, the drop extends over a period of time that is about four times as long as the corresponding periods of time in figures 4 and 5 characteristics shown.
  • figure 7 7 shows a flowchart of a method 700 for identifying a type of power brush for a vacuum cleaner according to an embodiment.
  • the brush comprises a first electrical contact, a second electrical contact, and a series connection of at least one coil and a motor connected between the first electrical contact and the second electrical contact.
  • the method 700 has a step 705 of providing, a step 710 of reading in, a step 715 of determining and a step 720 of determining.
  • an excitation signal with an excitation characteristic is provided at an interface to the first contact.
  • a measurement signal is read in at an interface to the second contact.
  • a characteristic signal indicating a characteristic of the measurement signal is obtained definitely.
  • the type of brush is determined using the characteristic signal.
  • figure 8 8 shows a flow chart of a method 800 for operating a vacuum cleaner having a motor-driven brush according to an embodiment.
  • the method 800 has at least one step 805 of performing and one step 810 of providing.
  • step 805 the steps of an embodiment of the above method for identifying a type of power brush for a vacuum cleaner are performed.
  • step 810 of providing, using the type of motor-driven brush the excitation signal having an operating characteristic for driving the motor of the brush is provided to the interface to the first contact.
  • an embodiment includes an "and/or" link between a first feature and a second feature, this should be read in such a way that the embodiment according to one embodiment includes both the first feature and the second feature and according to a further embodiment either only that having the first feature or only the second feature.

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

Claims (6)

  1. Procédé (700) d'identification d'un type de brosse motorisée (105) destinée à un aspirateur (100), la brosse (105) présentant un premier contact électrique (115), un second contact électrique (120) et un circuit en série et/ou parallèle commuté entre le premier contact électrique (115) et le second contact électrique (120) et constitué d'au moins un modificateur de signal (125) et d'un moteur (130), le procédé (700) présentant au moins les étapes suivantes :
    fourniture (705) d'un signal d'excitation (150) comportant une caractéristique d'excitation à une interface avec le premier contact (115) ;
    lecture (710) d'un signal de mesure (155) à une interface avec le second contact (120) ;
    détermination (715) d'un signal de caractéristique (160) indiquant une caractéristique du signal de mesure (155) ; et
    obtention (720) du type de brosse (105) à l'aide du signal de caractéristique (160),
    caractérisé en ce
    qu'à l'étape (715) de détermination, une amplitude et/ou un profil temporel du signal de mesure (155) sont déterminés comme caractéristique.
  2. Procédé (700) selon la revendication 1, dans lequel une bobine ou un élément de circuit fonctionne en tant que modificateur de signal (125).
  3. Procédé (700) selon l'une des revendications précédentes, dans lequel à l'étape (720) d'obtention, le type de brosse (105) est obtenu à l'aide d'un tableau d'attribution et du signal de caractéristique (160), le tableau d'attribution montrant un rapport entre différentes caractéristiques du signal de mesure (155) et différents types de brosse (105).
  4. Procédé (700) selon l'une des revendications précédentes, dans lequel à l'étape (705) de fourniture, la caractéristique d'excitation du signal d'excitation (150) est une impulsion rectangulaire, et dans lequel à l'étape (710) de lecture, le signal de mesure (155) est lu en tant que réponse échelonnée de l'impulsion rectangulaire.
  5. Procédé (700) selon l'une des revendications précédentes, dans lequel à l'étape (720) d'obtention, un signal d'identification (165) est fourni, lequel représente le type de brosse (105) obtenu.
  6. Dispositif (110) configuré pour exécuter et/ou commander les étapes du procédé (700; 800) selon l'une des revendications précédentes dans des unités correspondantes (135, 140, 145).
EP19199501.8A 2018-10-22 2019-09-25 Procédé et dispositif de détection d'un type de brosse motorisée pour un aspirateur, procédé et dispositif de fonctionnement d'un aspirateur, brosse motorisée pour un aspirateur et aspirateur Active EP3643215B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018126138.1A DE102018126138A1 (de) 2018-10-22 2018-10-22 Verfahren und Vorrichtung zum Erkennen eines Typs einer motorbetriebenen Bürste für einen Staubsauger, Verfahren und Vorrichtung zum Betreiben eines Staubsaugers, motorbetriebene Bürste für einen Staubsauger und Staubsauger

Publications (2)

Publication Number Publication Date
EP3643215A1 EP3643215A1 (fr) 2020-04-29
EP3643215B1 true EP3643215B1 (fr) 2022-06-22

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DE (1) DE102018126138A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020129053A1 (de) 2020-11-04 2022-05-05 Miele & Cie. Kg Bodenpflegegerät mit Zubehörerkennung
DE102021113488A1 (de) 2021-05-26 2022-12-01 Miele & Cie. Kg Bodendüse für Staubsauger, Staubsauger, Bürstenwalzenset und Verfahren zum Betreiben eines Staubsaugers

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Publication number Priority date Publication date Assignee Title
JPH01223923A (ja) 1988-03-04 1989-09-07 Hitachi Ltd 電気掃除機
EP0458057B1 (fr) 1990-04-16 1995-02-01 Hitachi, Ltd. Méthode d'opération d'un aspirateur de poussières
US6131236A (en) 1998-03-27 2000-10-17 Proair Gmbh Geratebau Wet cleaning apparatus
JP2001157655A (ja) 1999-12-02 2001-06-12 Matsushita Electric Ind Co Ltd 電気掃除機
JP2001245833A (ja) 2000-03-08 2001-09-11 Matsushita Electric Ind Co Ltd 電気掃除機
EP0853917B1 (fr) 1997-01-21 2002-09-11 Vorwerk & Co. Interholding GmbH Aspirateur de poussières entrainé au moyen d'un moteur électrique, notamment système d'aspirateur de poussières
JP2003164399A (ja) 2001-11-30 2003-06-10 Matsushita Electric Ind Co Ltd 電気掃除機
JP2003169770A (ja) 2001-12-05 2003-06-17 Matsushita Electric Ind Co Ltd 電気掃除機
US20060085095A1 (en) 2003-09-19 2006-04-20 Royal Appliance Mfg. Co. Sensors and associated methods for controlling a vacuum cleaner
EP2062517A1 (fr) 2006-09-11 2009-05-27 Panasonic Corporation Appareil de nettoyage électrique
US7694383B2 (en) 2006-01-06 2010-04-13 The Scott Fetzer Company Upright vacuum cleaner with removable power head
JP2011010743A (ja) 2009-06-30 2011-01-20 Toshiba Corp 電気掃除機
JP2011050505A (ja) 2009-08-31 2011-03-17 Toshiba Corp 電気掃除機
JP2017221549A (ja) 2016-06-17 2017-12-21 三菱電機株式会社 電気掃除機

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DE2814729A1 (de) * 1978-04-05 1979-10-11 Siemens Ag Staubsauger mit einem drehzahlsteuerbaren geblaeseaggregat
CA2306531C (fr) * 1999-10-15 2011-07-12 Wayne Ernest Conrad Methode et appareil de transmission de puissance a un systeme mecanique ou electrique

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01223923A (ja) 1988-03-04 1989-09-07 Hitachi Ltd 電気掃除機
EP0458057B1 (fr) 1990-04-16 1995-02-01 Hitachi, Ltd. Méthode d'opération d'un aspirateur de poussières
EP0853917B1 (fr) 1997-01-21 2002-09-11 Vorwerk & Co. Interholding GmbH Aspirateur de poussières entrainé au moyen d'un moteur électrique, notamment système d'aspirateur de poussières
US6131236A (en) 1998-03-27 2000-10-17 Proair Gmbh Geratebau Wet cleaning apparatus
JP2001157655A (ja) 1999-12-02 2001-06-12 Matsushita Electric Ind Co Ltd 電気掃除機
JP2001245833A (ja) 2000-03-08 2001-09-11 Matsushita Electric Ind Co Ltd 電気掃除機
JP2003164399A (ja) 2001-11-30 2003-06-10 Matsushita Electric Ind Co Ltd 電気掃除機
JP2003169770A (ja) 2001-12-05 2003-06-17 Matsushita Electric Ind Co Ltd 電気掃除機
US20060085095A1 (en) 2003-09-19 2006-04-20 Royal Appliance Mfg. Co. Sensors and associated methods for controlling a vacuum cleaner
US7694383B2 (en) 2006-01-06 2010-04-13 The Scott Fetzer Company Upright vacuum cleaner with removable power head
EP2062517A1 (fr) 2006-09-11 2009-05-27 Panasonic Corporation Appareil de nettoyage électrique
JP2011010743A (ja) 2009-06-30 2011-01-20 Toshiba Corp 電気掃除機
JP2011050505A (ja) 2009-08-31 2011-03-17 Toshiba Corp 電気掃除機
JP2017221549A (ja) 2016-06-17 2017-12-21 三菱電機株式会社 電気掃除機

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EP3643215A1 (fr) 2020-04-29

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