EP1689277B1 - Verfahren zum betreiben eines staubsaugers mit einer saugdüse sowie staubsauger mit einer saugduse - Google Patents

Verfahren zum betreiben eines staubsaugers mit einer saugdüse sowie staubsauger mit einer saugduse Download PDF

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Publication number
EP1689277B1
EP1689277B1 EP04821630A EP04821630A EP1689277B1 EP 1689277 B1 EP1689277 B1 EP 1689277B1 EP 04821630 A EP04821630 A EP 04821630A EP 04821630 A EP04821630 A EP 04821630A EP 1689277 B1 EP1689277 B1 EP 1689277B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
suction nozzle
force
negative pressure
changing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP04821630A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1689277A1 (de
Inventor
Frank Meyer
Dirk Hellrung
Martin Fieseler
Dirk Röllinghoff
Markus Cornelissen
Dirk Schmidt
Andreas Lamping
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding 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
Priority claimed from DE102004014252A external-priority patent/DE102004014252A1/de
Application filed by Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Publication of EP1689277A1 publication Critical patent/EP1689277A1/de
Application granted granted Critical
Publication of EP1689277B1 publication Critical patent/EP1689277B1/de
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
    • A47L9/28—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
    • 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
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
    • 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
    • A47L9/0072—Mechanical means for controlling the suction or for effecting pulsating action
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor
    • 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
    • A47L9/2805—Parameters or conditions being sensed
    • A47L9/2831—Motor parameters, e.g. motor load or speed

Definitions

  • the invention initially relates to a method for operating a vacuum cleaner with a suction nozzle according to the features of the preamble of claim 1.
  • a method of the type in question is from the WO97 / 26819 A2 known.
  • a method is specified, by means of which the respective instantaneous direction of movement, ie the direction of displacement of the suction nozzle is detected and varied in dependence on this reaching the acting negative pressure.
  • This solution results from the finding that, especially in a suction treatment of carpets, a relatively high negative pressure prevails in the region of the suction mouth corresponding to the floor to be maintained, which negative pressure per se already has a lasting effect on the user. Due to the confirmation of the suction nozzle by the user, usually with the aid of a rigid handle, eg. Suction tube or the like, another resistance occurs, which varies depending on the direction of travel of the suction nozzle.
  • the force load is measured both in thrust and in traction and as a result both the thrust and the draw resistance is regulated to an approximately equal level.
  • the action is effected by a change in the negative pressure in the suction nozzle, wherein a measure is selected with respect to the negative pressure change, which achieves an appropriate, constant force load for the user with in particular on the ground related optimal cleaning result. This proves to be particularly advantageous in that since carpet cleaning only certain maximum volume flows are required depending on the type of carpet to clean the carpet optimally. Higher volume flows would only be higher, unintentional by the user
  • a force sensor is seated in the power flow chain, for example, between the handle of the vacuum cleaner in hand vacuum cleaners or the suction tube in Bodenstaubsaugem and the suction nozzle. This force sensor registers the pushing force in both pulling and pushing operation.
  • the measured variable serves as an input signal to a control which, for example, influences the negative pressure at the suction nozzle in such a way that the pushing force corresponds to a predetermined desired value. Furthermore, it is also possible to measure the force load in the region of a joint between the vacuum cleaner and the suction nozzle. In the case of suction nozzles, which have an electric motor-driven, rotatable brush for tillage, it is proposed that in addition to the force load, the current consumption of the brush motor is evaluated. As a result, even short-term jumps in the pushing force, which are caused primarily by the change of the floor covering, can be detected quickly and safely.
  • the motor current changes very quickly with a change in the floor covering, whereby the load is usually high for carpets and comparatively small for hard floors.
  • the absolute value is not according to the method the motor current, but rather evaluated the change of the same, as it provides a clear measurement signal regardless of the absolute value.
  • the negative pressure change is performed in proportion to the measured pressure force and / or power of the brush motor. Alternatively, it is also conceivable that the negative pressure change is performed over or under proportional to the measured pressure force and / or power of the brush motor.
  • the vacuum cleaner has its own, causing a feed traversing drive, wherein further, if necessary, in addition to a change in the negative pressure, a change in the feed is made automatically. Accordingly, even with soils, which must be cleaned due to their design or due to the degree of contamination with an increased cleaning performance and thus with an increased negative pressure, the shear and / or draw resistance by activating the travel drive to a level suitable for the user is adjustable. In this case, for example, the travel drive can be switched on only in overrun mode.
  • the change in the negative pressure for acting on the thrust resistance and / or the draw resistance is further preferably carried out by means of a variation of a secondary air opening and / or a speed change of a fan wheel.
  • a secondary air opening may be provided in the suction nozzle whose opening cross-section is changed more or less depending on the measured force load.
  • the change in the negative pressure can also be effected by electrical regulation of the engine power or rotational speed of the fan wheel producing the suction air volume flow.
  • a change in the negative pressure can also be effected by regulating the suction power cross-section, for example by controlling a rotary flap in the suction line.
  • the distance between the suction nozzle bottom and floor to be cleaned can be varied. The inventive method increases the ease of use of a vacuum cleaner considerably.
  • the suction power can be kept constant in push and pull operation, which further a simple and useful Schiebekraftbegrenzung is achieved with an automatic function for the user.
  • a simple and useful Schiebekraftbegrenzung is achieved with an automatic function for the user.
  • an indirect identification of the floor coverings by means of existing physical parameters or use of special measuring sensors such. As negative pressure sensors, etc. conceivable, which parameters may optionally be used in addition to the thrust resistance regulation.
  • the invention further relates to a vacuum cleaner with a suction nozzle according to the features of the preamble of claim 9.
  • a vacuum cleaner of the type in question is from the above-mentioned WO97 / 26819 A2
  • sensor means responsive to the respective direction of movement (forward, backward) of the suction nozzle and further has switching means which vary the negative pressure or the air currents in the region of the suction nozzle in dependence on the detected direction of movement.
  • the invention has as its object to design a vacuum cleaner of the type in question Whyungsfrenlicher.
  • the force measuring device is arranged in the suction nozzle.
  • the sliding resistance is influenced as a function of the detected force load.
  • the core of the invention is the detection of the sliding force of the suction nozzle and the feedback to suitable devices for adjusting the thrust resistance.
  • the force load is measured in any case during overrun and the thrust resistance is leveled. It is further preferred that the force load is measured both in thrust and in traction and as a result both the thrust and the draw resistance is regulated to an approximately equal level.
  • the action takes place by a change in the negative pressure in the suction nozzle, wherein a measure is selected with regard to the negative pressure change, which achieves an adequate, constant force load for the user with in particular on the ground related optimal cleaning result. This proves to be particularly advantageous in that since carpet cleaning only certain maximum volume flows are required depending on the type of carpet to clean the carpet optimally. Higher volume flows would only produce higher, unwanted by the user pushing or pulling forces.
  • a force sensor sits in the power flow chain, for example, between the handle of the vacuum cleaner with hand vacuum cleaners or the suction tube in Bodenstaubsaugem and the suction nozzle. This force sensor registers the pushing force in both pulling and pushing operation.
  • the measured size serves as an input signal of a control, for example, the negative pressure at the suction nozzle influenced so that the pushing force corresponds to a predetermined target.
  • the vacuum cleaner has its own, causing a feed traversing drive, wherein further, if necessary, in addition to a change in the negative pressure, a change in the feed is made automatically.
  • the shear and / or draw resistance by activating the travel drive to a level suitable for the user is adjustable.
  • the travel drive can be switched on only in overrun mode.
  • the change in the negative pressure for acting on the thrust resistance and / or the draw resistance is further preferably carried out by means of a variation of a secondary air opening and / or a speed change of a fan wheel. Accordingly, a secondary air opening may be provided in the suction nozzle whose opening cross-section is changed more or less depending on the measured force load.
  • the change in the negative pressure can also be effected by electrical regulation of the engine power or rotational speed of the fan wheel producing the suction air volume flow.
  • a negative pressure change can be made by, for example, controlling a rotary valve in the suction line to vary the pipe diameter.
  • a change in vacuum is achieved by changing the distance between the suction nozzle bottom and the substrate to be cleaned. The measurement of the force takes place primarily in the stem or intake pipe direction, accordingly in the effective direction.
  • the force measuring device may consist of a strain gauge.
  • the arrangement of a force sensor, a capacitive sensor, a piezoresistive sensor, a Faraday sensor or a pressure sensor is conceivable.
  • the force measuring device may consist of a spring-way system with limit switches.
  • the force measuring device consists of a continuously operating signal generator.
  • the force measurement can be carried out by means of a strain gauge arranged on a plastic part of the joint shell.
  • the force is measured on a metal plate, which is inserted in a plastic part.
  • Combined force measurement in the force main circuit may possibly be a force shunt z.
  • B. be used by means of a leaf spring.
  • a capacitive sensor can be arranged, for example, between a suction nozzle and the air duct. If an optical sensor is provided for force measurement, the change in the light intensity or the refractive index is measured via this.
  • a recognition of the way or the force is also possible via a spring-way system as an eccentric between a joint piece and chassis possible.
  • About springs can be a certain moment or a force that opposes the pushing force of the user. This path change can be queried accordingly.
  • the power consumption of an engine and / or a rotational speed of a rotating brush located in the suction nozzle can be evaluated.
  • a carpet processing brush having attachments or suction nozzles it is also known to provide them with a parking switch, which is switched off at a standstill of the vacuum cleaner despite running Sauggebläsemotor at least the drive motor of the brush to protect the floor covering. Due to the inventive design, such a parking switch can be omitted.
  • the force measuring device detects the rest position, since no shear or tensile load occur in this. As a result, the rotating brush is automatically switched off.
  • a taring of the system can take place via this parking position.
  • the parking position is detected and evaluated, wherein the force acting on the suction nozzle or on the attachment weight of the vacuum cleaner housing, the suction tube and / or the suction hose serve as a tare weight. Taring is also possible in any other defined rest position and, in addition, by averaging from the measured values for the forward and return strokes.
  • the rotating brush can also be controlled with regard to the speed. It proves to be particularly advantageous that the detection of gravimetric, accurate measured variables is not absolutely necessary.
  • the connected vacuum cleaner can also recognize via an electrical coding in the attachment or the suction nozzle, which volume flow window for the optimal cleaning result is required.
  • an electrical coding in the attachment or the suction nozzle By means of a rotating brush in the suction nozzle and the type of carpet can be detected.
  • the speed of the brush on the carpet, the current consumption of the relevant engine or the wear of the bristles as Parameters are used
  • the parameters are measured in the freewheel of the brush and in use on the ground, whereby a calibration of the system is achieved.
  • hard floor due to a freewheel of the rotating brushes, can be detected and adjusted.
  • the individual limits for the different soils are stored, for example, in a table of values in the respective attachment and thus control the vacuum cleaner.
  • regulation with specification is also possible.
  • the pushing force can be preselected.
  • the inventive solution a vacuum cleaner is created with increased ease of use.
  • the suction power can be kept constant in push and pull operation, which further a simple and useful Schiebekraftbegrenzung is achieved with an automatic function for the user.
  • Next is an indirect identification of the floor coverings by means of existing physical parameters or use of special measuring sensors such. As negative pressure sensors, etc. conceivable, which parameters may optionally be used in addition to the thrust resistance regulation.
  • a vacuum cleaner 1 is shown in the form of a hand vacuum cleaner, which is associated with a suction nozzle 2 in the form of an attachment both electrically and fluidically.
  • the suction nozzle 2 has in the usual way a transversely to the usual direction of movement (r, r ') extending suction chamber 3, which is assigned to the frontal region of the suction nozzle 2 almost over the entire width of the same.
  • the suction chamber 3 opens to the floor 4 to be cleaned in a suction mouth. 5
  • a suction channel 6 extends, which at the other end opens into a receiving nozzle 7 arranged at the rear of the suction nozzle 2.
  • the latter serves to connect the suction nozzle 2 to a foot-side suction pipe 8 of the vacuum cleaner 1.
  • the receiving socket 7 forms a hinge point 9 in the suction nozzle 2 for individual, angular adjustment of vacuum cleaner 1 to suction nozzle. 2
  • the suction chamber 3 and the suction mouth 5 is in the usual direction of movement (r, r ') upstream and downstream of each one parallel to the suction chamber 3 extending Associated sealing element 10, so for example.
  • Associated sealing element 10 In the form of a bristle strip or a sealing lip.
  • These sealing elements 10 are arranged a known manner. Thus, they are lowered to seal the suction chamber 3 at hard floor cleaning and protrude beyond the suction nozzle bottom 11 for approximately sealing contact on the floor to be cleaned 4. When cleaning a carpet, however, these sealing elements 10 are raised.
  • suction nozzle 2 has traversing wheels 12 in the rear region facing away from the suction chamber 3.
  • a brush 15 which can be driven via an electric motor 13 integrated in the suction nozzle 2, is arranged in the suction space 3.
  • This is formed as a brush roller, which rotates centered around the suction chamber 3 about a aligned in Saugraumerstreckung axis.
  • the bristles of the brush 15 protrude down over the suction nozzle bottom 11 out of the suction mouth 5, for brush-mechanical processing of the carpet to be cleaned.
  • a suction / blower motor 16 is arranged. This has a not-shown fan, by means of which in the suction 5 of the suction nozzle 2, a negative pressure can be generated.
  • such a force-measuring device 17 may be arranged in the region of the vacuum cleaner handle 19 provided with a handle 18.
  • This force measuring device 17 may be a conventional pressure sensor 20 in this arrangement.
  • a force measuring device 17 may be arranged in the region of the suction tube 8, in which case this example.
  • a spring-way system 21 with limit switches or continuously operating signal generators such. B. a Potibahn may be formed.
  • a force measurement by means of strain gauges 22 in the region of the receiving nozzle 7 is also conceivable, which strain gage 22 is arranged on the receiving socket 7 designed as a plastic part. Alternatively, the force measurement can also take place on a metal plate inserted in the plastic part.
  • a force measurement can also take place via a spring-way system, which is arranged as an eccentric between the articulated receiving socket 7 and the suction nozzle housing. About springs, a certain moment or force can be applied, which precludes the pushing force of the user. This path change can be queried accordingly.
  • the force measuring device 17 may be provided in the region of a force-influenced point in the suction nozzle 2.
  • the force load values detected by the force measuring device 17 are preferably detected and evaluated both in the overrun operation in the direction of arrow r and in the train operation in the direction of arrow r 'by a control unit 23 arranged in the suction nozzle 2.
  • a control unit 23 arranged in the suction nozzle 2.
  • This vacuum change can be done by changing the speed of the suction / blower motor 16 in the vacuum cleaner 1.
  • the negative pressure in the suction chamber 3 can be adjusted via a variation of a secondary air opening 24 in the suction nozzle 2.
  • This variation takes place by means of adapted cross-sectional change of the secondary air opening 24, for example, slide-controlled.
  • a negative pressure change can also be achieved by controlling an in FIG. 4 shown schematically rotary flap 30, via which a change in cross section of the suction channel 6 can be achieved.
  • a change in the negative pressure can also be achieved by raising or lowering the suction nozzle 2 or the nozzle housing 31.
  • This force-measuring-dependent displacement takes place in the illustrated embodiment via a pressurizable bellows 33, which is supported on the underside of the chassis 32 and the upper side loads a rigidly connected to the housing 31 carrier 34. If the bellows 33 is acted upon actively, this is done by raising the housing 31 and thus increasing the distance between the suction mouth 5 and the floor 4 to be cleaned.
  • the negative pressure is lowered.
  • the negative pressure is lowered via the control unit 23, constant adjustment of the push / pull resistance of the vacuum cleaner 1 being achieved by varying the negative pressure in the suction chamber 3 through the continuous measurement of the force load.
  • the Verfahrmanner 12 of the suction nozzle 2 may be driven by electric motor in a further embodiment.
  • a change of the feed on the Verfahrky 12 is made automatically, if necessary.
  • the force load occurring is reduced to a tolerable level for the user.
  • the speed and / or the direction of rotation of the brush 14 arranged in the suction chamber 3 can also be influenced.
  • the connected vacuum cleaner 1 can recognize via an electrical coding in the attachment or the suction nozzle 2, which volume flow window for the optimal cleaning result is required.
  • the attachment to the vacuum cleaner 1 an electrical detection signal.
  • the module for electrical coding of the attachment is in FIG. 3 provided with the reference numeral 25.
  • the signal may consist of a voltage, a current, a resistance, a capacitance, a pulse train or a mixture of these components. Also, the signal can be derived from an inductance change.
  • a light or brightness signal so for example by arranging an LED in the suction nozzle and downstream optical fiber to the control unit 23rd
  • the volume flow window can be narrower for carpet cleaning. Depending on the type of carpet, only certain maximum flow rates are required to clean the carpet optimally. Are higher volume flows and a correspondingly higher negative pressure in the suction chamber 3 absolutely necessary - but which would also lead to a user unwanted increase in the sliding forces - is, for example, the automatic insertion of the already indicated, electric motor driven Verfahrzier 12 conceivable.
  • the type of carpet can also be recognized by the fact that parameters such as the rotational speed and / or the current consumption of the electric motor 13 driving the brush 14 are detected. Depending on the required accuracy, the parameters must be measured in the freewheel of the brush 14 and in use on the floor 4. As a result, a calibration of the system is conceivable.
  • the individual limit values for the different trays are stored in a value table 26 of the respective attachment device stored in the control unit 23, by means of which the vacuum cleaner 1 is controlled.
  • a negative pressure measurement in the suction chamber 3 can serve as a recognition or as a further auxiliary variable for regulating the thrust resistance.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)
EP04821630A 2003-12-06 2004-12-06 Verfahren zum betreiben eines staubsaugers mit einer saugdüse sowie staubsauger mit einer saugduse Active EP1689277B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10357089 2003-12-06
DE102004014252A DE102004014252A1 (de) 2003-12-06 2004-03-24 Verfahren zum Betreiben eines Staubsaugers mit einer Saugdüse sowie Staubsauger mit einer Saugdüse
PCT/EP2004/053274 WO2005087074A1 (de) 2003-12-06 2004-12-06 Verfahren zum betreiben eines staubsaugers mit einer saugdüse sowie staubsauger mit einer saugdüse

Publications (2)

Publication Number Publication Date
EP1689277A1 EP1689277A1 (de) 2006-08-16
EP1689277B1 true EP1689277B1 (de) 2010-07-21

Family

ID=34960220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04821630A Active EP1689277B1 (de) 2003-12-06 2004-12-06 Verfahren zum betreiben eines staubsaugers mit einer saugdüse sowie staubsauger mit einer saugduse

Country Status (5)

Country Link
EP (1) EP1689277B1 (ru)
AU (1) AU2004317121A1 (ru)
NO (1) NO20063142L (ru)
RU (1) RU2006119639A (ru)
WO (1) WO2005087074A1 (ru)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102223832B (zh) * 2007-08-21 2014-09-24 皇家飞利浦电子股份有限公司 抽吸单元和自治真空吸尘器
DE102007057589B4 (de) 2007-11-28 2010-09-30 BSH Bosch und Siemens Hausgeräte GmbH Luft-Volumenstrom- und Schiebekraft-Regelungsvorrichtung
US11202543B2 (en) 2018-01-17 2021-12-21 Techtronic Floor Care Technology Limited System and method for operating a cleaning system based on a surface to be cleaned
WO2021238154A1 (zh) * 2020-05-27 2021-12-02 莱克电气股份有限公司 一种清洁设备的控制方法、清洁设备以及存储介质
EP4098162B1 (de) * 2021-06-01 2023-10-18 Vorwerk & Co. Interholding GmbH Verfahren zum einstellen eines parameterbereiches an einem bodenbearbeitungsgerät sowie bodenbearbeitungsgerät und system mit einem bodenbearbeitungsgerät und einem externen endgerät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2815196A1 (de) * 1978-04-07 1979-10-18 Siemens Ag Saugrohr fuer einen staubsauger
DE2819193A1 (de) * 1978-05-02 1979-11-08 Siemens Ag Staubsauger mit einer drehzahlregeleinrichtung fuer das geblaeseaggregat
DE19602723C2 (de) * 1996-01-26 2001-04-19 Gerhard Kurz Vorrichtung zum Betrieb eines Staubsaugers
CN1121185C (zh) * 1997-08-11 2003-09-17 皇家菲利浦电子有限公司 备有一带可控电驱动装置的吸嘴的真空吸尘器
CA2421314A1 (en) * 2002-03-08 2003-09-08 Erik J. Hitzelberger Self-propelled vacuum cleaner with reversible rotary agitator

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Publication number Publication date
WO2005087074A1 (de) 2005-09-22
AU2004317121A1 (en) 2005-09-22
NO20063142L (no) 2006-08-25
EP1689277A1 (de) 2006-08-16
RU2006119639A (ru) 2007-12-27

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