EP3351160B1 - Procédé et dispositif de fonctionnement d'un aspirateur - Google Patents

Procédé et dispositif de fonctionnement d'un aspirateur Download PDF

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Publication number
EP3351160B1
EP3351160B1 EP17201258.5A EP17201258A EP3351160B1 EP 3351160 B1 EP3351160 B1 EP 3351160B1 EP 17201258 A EP17201258 A EP 17201258A EP 3351160 B1 EP3351160 B1 EP 3351160B1
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EP
European Patent Office
Prior art keywords
suction
nozzle
vacuum cleaner
power
value
Prior art date
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Active
Application number
EP17201258.5A
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German (de)
English (en)
Other versions
EP3351160A1 (fr
Inventor
Otto Braun
Wilfried Bruns
Volker Gerth
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
Original Assignee
Miele und Cie KG
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Publication of EP3351160A1 publication Critical patent/EP3351160A1/fr
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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
    • 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
    • A47L9/2805—Parameters or conditions being sensed
    • A47L9/2826—Parameters or conditions being sensed the condition of the floor

Definitions

  • the invention relates to a method for operating a vacuum cleaner, a corresponding computer program, a device for operating a vacuum cleaner, a vacuum cleaner with a device, a suction nozzle for a vacuum cleaner and a vacuum cleaner system comprising a vacuum cleaner and a suction nozzle.
  • air is sucked out of a vacuum area of the vacuum cleaner by a fan.
  • the air can flow in again, for example via a suction nozzle and a suction hose.
  • dust and dirt particles are carried away and bound in a vacuum cleaner filter system located in the vacuum area.
  • a method for operating a vacuum cleaner comprising a step of reducing a suction power of the vacuum cleaner in which the suction power is reduced from an initial value to a release value when a negative pressure prevailing at a suction nozzle of the vacuum cleaner exceeds a definable or fixed limit value
  • the object of the invention is to create a method and a device for operating a vacuum cleaner.
  • this object is achieved by an improved method for operating a vacuum cleaner, a corresponding computer program, an improved device for operating a vacuum cleaner, an improved vacuum cleaner with an improved device, an improved suction nozzle for a vacuum cleaner and an improved vacuum cleaner system comprising an improved vacuum cleaner and an improved one Suction nozzle solved with the features of the main claims.
  • the required suction power can depend on the suction nozzle used and the surface to be vacuumed.
  • the suction power can be adjusted when the suction nozzle and the surface are recognized.
  • the advantages that can be achieved with the invention include, in addition to improved operability of the vacuum cleaner, energy savings and a reduction in noise when vacuuming.
  • a method for operating a vacuum cleaner comprising a step of reducing a suction power of the vacuum cleaner, in which the suction power is reduced from an initial value to a release value when a suction nozzle of the vacuum cleaner is detected as being stuck to a surface.
  • a suction nozzle can be, for example, a floor nozzle, in particular a hard floor nozzle.
  • a suction power can be understood to mean an electrical drive power for generating a negative pressure in the vacuum cleaner.
  • An output value can, for example, be set by a user of the vacuum cleaner on a power selector switch.
  • a release value can be matched to the suction nozzle. With the release value, less air can be sucked in on a negative pressure area of the vacuum cleaner than with the initial value.
  • Fixed suction can be detected when a pressure in a vacuum area of the vacuum cleaner is less than a characteristic pressure value. In the case of fixed suction, the air flow into the negative pressure area is hindered. Therefore, more air is sucked out of the negative pressure area than can flow in. The pressure in the negative pressure range falls. The fall in pressure can be referred to as an increase in negative pressure.
  • the method can have a step of setting in which the suction power is set to a nozzle-specific suction value when detachment of the suction nozzle from the surface is detected.
  • the suction value can be lower than the release value. Little energy is consumed and little noise is emitted at the suction value. In addition, sticking is unlikely.
  • the release can be recognized when the pressure in the negative pressure area is greater than the characteristic pressure value. When releasing, the pressure rises again because air can flow into the negative pressure area again and less air is sucked out of the negative pressure area.
  • the suction power can be set to the suction value if the release is detected within a release period. Characteristic properties of the suction nozzle to be recognized are known. The nozzle-specific suction power leads to good cleaning results with this nozzle.
  • the suction power can be set to the initial value if the loosening is recognized after the loosening period. With another nozzle, loosening can take longer than with the suction nozzle presented here.
  • the suction power can be set to the initial value if the loosening is detected before the loosening period.
  • the suction nozzle can through before the detection of the suction nozzle Use force to be solved.
  • the detection of the nozzle can start again with the next suction.
  • the suction power can be further reduced to a second release value if the suction is recognized for longer than a period of time. If the suction nozzle is held in place for too long, the suction power can be further reduced to enable it to be released.
  • the approach presented here also creates a device which 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 through 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 can represent a control signal or a data signal that can be provided at an output interface of the device.
  • the device can be designed to determine the output signals using a processing rule implemented in hardware or software.
  • the device can comprise a logic circuit, an integrated circuit or a software module and can be implemented, for example, as a discrete component or be comprised of a discrete component.
  • a suction nozzle for a vacuum cleaner wherein the suction nozzle has at least one resilient element which, in suction mode, is arranged between a nozzle body of the suction nozzle and a surface to be sucked and is designed to deflect when the suction nozzle is firmly sucked on the surface in order to To essentially seal the suction mouth of the suction nozzle against the surface.
  • a suction mouth can be referred to as a suction mouth or suction opening.
  • a vacuum cleaner system with a vacuum cleaner according to the approach presented here and a suction nozzle according to the approach presented here is presented.
  • a computer program product or computer program with program code that can be stored on a machine-readable carrier or storage medium such as a semiconductor memory, a hard disk or an optical memory is also advantageous. If the program product or program is executed on a computer or a device, 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.
  • FIG. 1 shows an illustration of a vacuum cleaner system 100 according to an embodiment.
  • the vacuum cleaner system 100 consists of a vacuum cleaner 102 with a device 104 for operating the vacuum cleaner 102 and a floor nozzle 106 according to the approach presented here.
  • the floor nozzle 106 is connected to the vacuum cleaner 102 via a suction hose 108 and a telescopic tube 110.
  • the floor nozzle 106 can be referred to as a suction nozzle 106.
  • the floor nozzle 106 has a resilient element which yields when the floor nozzle 106 sucks on the ground at a currently selected suction power. Due to the yielding of the resilient element, a suction mouth of the floor nozzle 106 is sealed even more tightly against the ground.
  • the fan of the vacuum cleaner 102 continues to draw air from the suction hose 108 and the Telescopic tube 110, whereby the pressure in a negative pressure area of the vacuum cleaner system 100 between the floor nozzle 106 and the fan drops significantly.
  • the pressure is monitored by device 104 using a pressure sensor in the negative pressure region.
  • the device 104 detects the suction.
  • the device 104 then reduces the suction power of the blower to a predefined release value and the pressure in the negative pressure region rises again.
  • the resilient element Due to the lower negative pressure, the resilient element has sufficient restoring force to push the floor nozzle 106 from the ground, whereby air can flow to the suction mouth and the negative pressure decreases further and faster.
  • the pressure value is exceeded again within a time window after the suction power has been reduced.
  • the device 104 recognizes this and sets the suction power to a value that is optimized for this floor nozzle 106.
  • FIG 2 shows a block diagram of a vacuum cleaner system 100 according to an embodiment.
  • the vacuum cleaner system is essentially the same as the vacuum cleaner system in Figure 1 .
  • the device 104 for operation is integrated in the vacuum cleaner 102.
  • the device 104 has a detection device 200 and a reduction device 202.
  • the detection device 200 is connected here to a vacuum switch 204 via a signal line.
  • the vacuum switch 204 is arranged here at an inlet of the suction hose 108 in a housing of the vacuum cleaner 102.
  • the vacuum switch 204 switches at the pressure value.
  • the detection device 200 receives the switching pulse of the vacuum switch 204, whereupon the reduction device 202 reduces the electrical power supplied to the blower 206 and thus the suction power decreases.
  • the floor nozzle 106 is connected to the vacuum cleaner 102 according to the approach presented here, the floor nozzle 106 is pressed off the substrate 208 by the elastic element during the reduced suction power. As a result of the pressure being pressed, more air can be sucked in through the floor nozzle 106 and the pressure in the suction hose 108 increases or the negative pressure in the suction hose 108 falls.
  • the pressure value is reached within a predetermined time window and the vacuum switch 204 switches again.
  • the switching pulse is in turn read in by the detection device 200.
  • the floor nozzle 106 is therefore recognized on the basis of its characteristic pressure curve.
  • the Reduction device 202 sets the electrical power of blower 206 to an optimum value for floor nozzle 106.
  • the pressure signal emanating from the floor nozzle 106 is evaluated.
  • the pressure signal is characteristic of the floor nozzle 106 presented here on hard floor 208.
  • the vacuum cleaner 102 has a device control 104 which evaluates this pressure signal and adapts the output accordingly. In this case, an automatic power adjustment takes place on hard floors 208.
  • the result is high energy efficiency, that is to say good cleaning performance with significantly reduced energy consumption. Furthermore, the required pushing forces are reduced.
  • Floor nozzles 106 may require a pushing force that is sometimes unnecessarily high.
  • the reason for this increased pushing force is the higher tightness of the nozzles 106 when used on certain surfaces 208. As a result, the service life of these nozzles 106 is significantly reduced by the increased abrasion.
  • the high pushing force results from a combination of certain nozzles 106 and surfaces 208. A manual power adjustment to reduce the required pushing force can lead to an unacceptable reduction in cleaning performance.
  • Floor nozzles 106 can have a high dust pick-up with low power but at the same time high pushing forces on some surfaces. Some combinations are designed in such a way that the floor nozzle 106 sucks in and the cleaning performance is exceeded in the process. In these cases, a reduction in the absorption capacity to lower the pushing forces is possible and sensible, without significantly impairing the cleaning performance.
  • the approach presented here eliminates this problem in that the performance of a floor nozzle / floor combination recognized by the suction device 102 is reduced to a sensible compromise between high cleaning performance and low pushing force. At the same time, the floor nozzle 106 is thereby protected from damage by abrasion.
  • the approach presented here makes use of a combination of the floor nozzle 106 concerned and a vacuum detection 204 on the device 102, which recognizes the corresponding floor nozzle 106 on the basis of its specific parameters. If the specific floor nozzle 106 is recognized, the power of the device 102 is reduced to the power level provided for it. This also reduces the negative pressure and the floor nozzle 106 can be pushed more easily again.
  • the floor nozzle 106 presented here has a resilient support element which yields in the event of a high negative pressure or a high power level and initially increases the suction.
  • a vacuum switch UDS 204 or sensor 204 is activated in the device 102 and the evaluation electronics 104 start the nozzle test.
  • the nozzle check is carried out by e-balancing.
  • FIG 3 shows a representation of a suction nozzle 106 according to an embodiment.
  • the suction nozzle 106 essentially corresponds to the suction nozzles in the Figures 1 and 2 .
  • the suction nozzle 106 has a front lip 300 on the front edge of a floor surface and a rear lip 302 on the rear edge of the floor surface.
  • the suction mouth 304 of the suction nozzle 106 is located between the lips 300, 302 in the bottom surface.
  • the suction mouth 304 can also be referred to as a suction mouth.
  • the suction nozzle 106 has aprons 306 on the side of the floor surface.
  • the aprons 306 are shorter than the lips 300, 302.
  • the lips 300, 302 are flexible and can snap off. As a result of the kinking, the aprons 306 touch the ground and seal the suction mouth 304 more tightly, since the aprons 306 prevent the flow of air into the suction mouth 304.
  • the lips 300, 302 are designed as the resilient elements and when the lips 300, 302 are bent, a spring force of the lips 300, 302 must be overcome. As soon as the negative pressure between the lips 300, 302 subsides, the lips 300, 302 straighten up again and the aprons 306 are lifted off the floor. The air can flow through the resulting gap to the suction mouth 304 with little resistance.
  • the suction nozzle 106 has sprung rollers 308.
  • the rollers 308 compress, the lips 300, 302 buckle and the skirts 306 contact the ground.
  • the skirts 306 are lifted off the ground.
  • the lips 300, 302 can be made very soft.
  • Vacuuming takes place on different floor coverings.
  • the requirements for the vacuum cleaner and the floor nozzle differ depending on the floor covering. These different requirements often mean that the vacuum cleaner and floor nozzle can be adapted.
  • the vacuum cleaner for example, has different power levels, so that the fan power can be adapted to the requirements of the floor covering. As a rule, more power is required on carpeting to loosen dust particles than on a smooth hard floor. This adjustment can be made by the user so that, for example, vacuuming can also be carried out permanently at the maximum level.
  • the floor nozzle has, for example, a step lever that enables a bristle ring to be retracted and extended, which is required for vacuuming hard floors.
  • the construction of the hard floor nozzle 106 presented here enables the floor covering to be recognized by the device, which can further use the information to adjust the performance.
  • the detection works without the use of electronic components at the nozzle 106, so that this approach is inexpensive.
  • the hard floor nozzle 106 On the floor nozzle side, the hard floor nozzle 106 has elastomer sealing lips 300, 302 on the front and rear edges of the suction mouth, which seal the suction mouth 304 from the hard floor.
  • the sealing on the sides of the suction mouth 304 takes place by means of sealing tracks 306, which are slightly set back in height in relation to the sealing lips 300, 302.
  • the floor nozzle 106 has sprung rollers 308.
  • the hard floor nozzle 106 is equipped with two rollers 308.
  • the spring travel and the spring force can be defined, for example, via the rigidity and elasticity of the roller or the roller axis.
  • a spring element such as for example, a compression spring, an elastomer spring and / or a spring foam act on the roller bearing.
  • the resetting takes place via the resetting force of the sealing lips 300, 302.
  • the crevice nozzle 106 has no rollers.
  • the compression and resetting of the nozzle 106 take place via the rigidity of the sealing lips 300, 302.
  • the floor nozzle 106 seals on hard floors at maximum suction power, which leads to strong suction of the nozzle 106 due to the very high negative pressure. At a lower suction power, the nozzle 106 does not seal completely, so that suction can take place normally in a normal vacuum range. The floor nozzle 106 accordingly supplies a very different pressure signal in the different power levels on hard floors. The device uses this fact to recognize the floor covering.
  • FIG. 4 shows a flow chart of a method 400 for operating a vacuum cleaner according to an exemplary embodiment.
  • the method 400 has a step 402 of reducing.
  • a suction power of the vacuum cleaner is reduced from an initial value to a release value when a suction nozzle of the vacuum cleaner is detected to be stuck on a surface.
  • the vacuum cleaner is operated until it is firmly sucked in a suction step 404 with a suction power corresponding to the output value selected by an operator.
  • the method 400 has a step 406 of setting following step 402.
  • step 406 of setting the suction power is set to a nozzle-specific suction value if a detachment of the suction nozzle from the surface is detected.
  • the suction power is set to the suction value if the release is recognized within a release period.
  • the suction power can be adjusted to the initial value if the release is recognized before or after the release period.
  • the output is reduced to a programmed level according to a certain scheme, which is designed so low that it gives the spring element of the floor nozzle the opportunity to raise the nozzle so far from the floor that the negative pressure drops again.
  • the pressure switch can open again or the sensor can detect an increase in pressure.
  • the time from switching on the pressure switch to opening it is measured. Is this time within a defined time window, the power of the device is set to the power level preferred for this nozzle.
  • FIG. 4 shows a flow diagram of a method 400 for operating a vacuum cleaner according to an exemplary embodiment.
  • the method 400 essentially corresponds to that in FIG Figure 4 described procedure.
  • the method 400 is shown in the flowchart starting with switching on 500 or a startup of the vacuum cleaner. After switching on 500, the vacuum cleaner sucks in step 404 of the suction with a power setting according to the selected power level. A vacuum switch is monitored during suction. To this end, an inquiry 502 takes place as to whether the Has switched the vacuum switch. As long as the vacuum switch has not switched, the suction step 404 is carried out.
  • the suction power is reduced to the release value in step 402 of reducing. Furthermore, a detection timer is started in step 402 of the reduction. A second query 504 takes place, in which the vacuum switch and the detection timer are monitored.
  • step 406 of setting If the vacuum switch switches back within a tolerance range or release period, the suction power is set to the nozzle-specific suction value in step 406 of setting.
  • the setting is monitored in a further query 506. If the suction value has not been set, step 406 of setting is triggered again.
  • step 404 of suction is carried out again, but with a suction power set to the suction value.
  • a further query routine 508 distinguishes whether the vacuum switch has switched back before the tolerance range or whether the vacuum switch is still switched after the tolerance range.
  • the suction power is set back to the previously selected power level in step 406 of setting.
  • the process starts from the beginning with step 404 of suction.
  • the suction power is further reduced to a second release value in step 406 of setting. This is followed by a further query 510 as to whether the vacuum switch is switched. As long as the vacuum switch is switched, the suction power is left at the second release value. If the vacuum switch switches back, the suction power is set back to the previously selected power level in step 406 of setting.
  • the suction step 404 is monitored by a performance query 512.
  • the suction power is set to the selected power level if the vacuum cleaner is not operated with the selected suction power.
  • Figure 6 shows a timing diagram of a detection of a suction nozzle according to an embodiment. In the timing diagram this is in the Figures 4 and 5
  • the described method is mapped over a power curve 600 and a pressure curve 602.
  • the power curve 600 and the pressure curve 602 are shown in two diagrams with a common time plotted on the abscissa.
  • the power of the fan of the vacuum cleaner is plotted for the power curve 600 and the pressure in the vacuum area of the vacuum cleaner for the pressure curve 602.
  • the vacuum cleaner is operated here with a suction nozzle with a resilient element.
  • Both curves 600, 602 begin when the vacuum cleaner is switched on, that is to say with an increase in power and a decrease in pressure or an increase in negative pressure.
  • the pressure follows the performance with a slight delay.
  • the power increases up to a preselected output value 604 and is constant from reaching the output value 604. This shows that the suction nozzle is sucked into place immediately after switching on.
  • the spring element in the suction nozzle is compressed and the pressure drops rapidly.
  • the pressure falls below the pressure value 606 at which the vacuum cleaner's vacuum switch switches.
  • the operating device presented here detects the suction and reduces the power to a release value of 610.
  • the pressure in the vacuum area then increases slowly until the spring element in the suction nozzle pushes the suction nozzle of the suction nozzle off the suctioned surface. The pressure then continues to rise rapidly. During this pressure increase, the pressure value 606 is exceeded again and the vacuum switch switches again. If the second switching point in time 612 lies within a release period 614, the suction nozzle with the spring element is recognized. At the second switching point in time 612, the power is set to a nozzle-specific suction value 616.
  • Figure 7 shows a time diagram of a non-detection of a suction nozzle according to an embodiment.
  • a power curve 600 and a pressure curve 602 are shown one above the other.
  • the vacuum cleaner is operated here with a nozzle without a resilient element.
  • the nozzle After switching on, the nozzle sucks as in Figure 6 firmly.
  • the suction is recognized because the pressure falls below the pressure value 606 and the vacuum switch switches at the switching time 608.
  • the power is calculated with the switching time 608 as in Figure 6 reduced from the initial value 604 to the resolution value 610.
  • the negative pressure cannot decrease quickly here and the second switching point in time 612 lies after the release period 614.
  • the power is set to the initial value 604 again. If the nozzle sticks again, the power is reduced again to the release value 610.

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

Claims (10)

  1. Procédé (400) de fonctionnement d'un aspirateur (102), le procédé (400) présentant une étape de réduction (402) d'une puissance d'aspiration de l'aspirateur (102), dans laquelle la puissance d'aspiration est réduite d'une valeur initiale (604) à une valeur de détachement (610) si une buse d'aspiration (106) de l'aspirateur (102) est détectée comme adhérant à une surface (208), caractérisé en ce que le procédé présente une étape de réglage (406), dans laquelle la puissance d'aspiration est réglée à une valeur d'aspiration (616) spécifique à la buse si la buse d'aspiration (106) est détectée comme étant détachée de la surface (208).
  2. Procédé (400) selon la revendication 1, selon lequel, à l'étape de réduction (402), l'adhésion est détectée si une pression dans une zone de pression négative de l'aspirateur (102) est inférieure à une valeur de pression caractéristique (606).
  3. Procédé (400) selon la revendication 1, selon lequel, à l'étape de réglage (406), le détachement est détecté si la pression dans la zone de pression négative est supérieure à la valeur de pression caractéristique (606).
  4. Procédé (400) selon l'une des revendications 1 à 3, selon lequel, à l'étape de réglage (406), la puissance d'aspiration est réglée à la valeur d'aspiration (616) si le détachement est détecté pendant une période de détachement (614).
  5. Procédé (400) selon la revendication 4, selon lequel, à l'étape de réglage (406), la puissance d'aspiration est réglée à la valeur initiale (604) si le détachement est détecté après la période de détachement (614).
  6. Procédé (400) selon la revendication 4, selon lequel, à l'étape de réglage (406), la puissance d'aspiration est réglée à la valeur initiale (604) si le détachement est détecté avant la période de détachement (614).
  7. Procédé (400) selon l'une des revendications précédentes, selon lequel, à l'étape de réduction (402), la puissance d'aspiration est en outre réduite à une seconde valeur de détachement si l'adhésion est détectée pendant plus d'un intervalle de temps.
  8. Dispositif (104) conçu pour mettre en œuvre les étapes du procédé (400) selon l'une des revendications précédentes.
  9. Aspirateur (102) comportant un dispositif (104) selon la revendication 8.
  10. Produit de programme informatique comportant un code de programme servant à mettre en œuvre le procédé selon l'une des revendications précédentes lorsque le produit de programme informatique est exécuté sur un dispositif.
EP17201258.5A 2016-12-14 2017-11-13 Procédé et dispositif de fonctionnement d'un aspirateur Active EP3351160B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016124294.2A DE102016124294A1 (de) 2016-12-14 2016-12-14 Verfahren und Vorrichtung zum Betreiben eines Staubsaugers

Publications (2)

Publication Number Publication Date
EP3351160A1 EP3351160A1 (fr) 2018-07-25
EP3351160B1 true EP3351160B1 (fr) 2021-02-24

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DE (1) DE102016124294A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018128838A1 (de) 2018-11-16 2020-05-20 Miele & Cie. Kg Verfahren zum Betrieb eines Staubsaugersystems sowie Staubsaugersystem
DE102018129114A1 (de) 2018-11-20 2020-05-20 Miele & Cie. Kg Verfahren zum Betrieb eines Staubsaugersystems sowie Staubsaugersystem
DE102019130910A1 (de) 2019-11-15 2021-05-20 Miele & Cie. Kg Staubsauger und Verfahren zum Betrieb eines Staubsaugers

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Publication number Priority date Publication date Assignee Title
DE1920640A1 (de) * 1969-04-23 1970-11-05 Philips Patentverwaltung Staubsauger mit einem elektromotorisch angetriebenen Geblaese
DE8901003U1 (fr) * 1989-01-21 1989-04-06 Interlava Ag, Lugano, Ch
DE102004014252A1 (de) * 2003-12-06 2005-06-30 Vorwerk & Co. Interholding Gmbh Verfahren zum Betreiben eines Staubsaugers mit einer Saugdüse sowie Staubsauger mit einer Saugdüse
DE102007057589B4 (de) * 2007-11-28 2010-09-30 BSH Bosch und Siemens Hausgeräte GmbH Luft-Volumenstrom- und Schiebekraft-Regelungsvorrichtung
DE102007059930B3 (de) * 2007-12-04 2009-02-19 Kurz, Gerhard Vorrichtung zur Steuerung oder Regelung der Motorleistung eines Staubsaugers
DE102008005150B4 (de) * 2008-01-18 2013-09-26 BSH Bosch und Siemens Hausgeräte GmbH Staubsauger und Verfahren zum Betreiben eines Staubsaugers

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EP3351160A1 (fr) 2018-07-25

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