WO2023208552A1 - Dispositif de nettoyage de sol avec capteur de pression - Google Patents

Dispositif de nettoyage de sol avec capteur de pression Download PDF

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Publication number
WO2023208552A1
WO2023208552A1 PCT/EP2023/058954 EP2023058954W WO2023208552A1 WO 2023208552 A1 WO2023208552 A1 WO 2023208552A1 EP 2023058954 W EP2023058954 W EP 2023058954W WO 2023208552 A1 WO2023208552 A1 WO 2023208552A1
Authority
WO
WIPO (PCT)
Prior art keywords
holder
suction
floor
pressure sensor
suction pipe
Prior art date
Application number
PCT/EP2023/058954
Other languages
German (de)
English (en)
Inventor
Maic Hensel
Benjamin FRÖHLICH
David Thomas
Original Assignee
Alfred Kärcher SE & Co. KG
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 Alfred Kärcher SE & Co. KG filed Critical Alfred Kärcher SE & Co. KG
Publication of WO2023208552A1 publication Critical patent/WO2023208552A1/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
    • 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
    • A47L5/225—Convertible suction cleaners, i.e. convertible between different types thereof, e.g. from upright suction cleaners to sledge-type 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
    • 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
    • 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
    • A47L5/32—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with means for connecting a hose
    • 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
    • A47L9/20—Means for cleaning filters
    • 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
    • A47L9/2847—Surface treating elements

Definitions

  • the invention relates to a floor cleaning device, comprising a floor head, at least one cleaning roller, which is rotatably arranged on the floor head in a receiving area of the floor head, a drive motor for the at least one cleaning roller, a suction fan device, a suction pipe which is fluidly connected to the suction fan device, and a holder for the suction tube, wherein when the suction tube is held on the holder, a fluid connection is established between the suction fan device and the receiving area of the floor head for a floor head suction operation and wherein the suction tube can be removed from the holder for a suction tube suction operation.
  • the invention further relates to a method for operating a floor cleaning device.
  • a corresponding floor cleaning device has a floor head suction operation as the first operating mode, in which the at least one cleaning roller acts on a floor to be cleaned and the receiving area of the floor head is acted upon by a suction flow.
  • a second operating mode it has a suction tube suction operation, in which local suction on a floor or an object separately from the floor head is possible by means of the suction tube (on which a suction nozzle is arranged in particular).
  • GB 2 554 780 A discloses a vacuum cleaner with a sensor which detects the movement of a cleaning head of the vacuum cleaner.
  • the sensor is connected to a control unit that reduces power output to a blower motor when the sensor detects that the cleaning head is accelerating or decelerating above a predetermined level.
  • WO 2020/020862 A1 discloses a cleaning machine comprising at least one cleaning roller, a roller housing with a roller receptacle for the at least one cleaning roller, the at least one cleaning roller being positioned interchangeably on the roller housing and the roller receptacle having an opening to the outside, a lid for closing the opening, and a locking device for fixing the lid to the roller housing, characterized in that at least one convex holding body is arranged on the roller housing, that a pivotable bracket is arranged on the lid, that at least one receptacle for the at least one is arranged on the pivotable bracket Holding body is arranged, and that in a release position of the pivotable bracket the at least one holding body can be immersed in the associated receptacle and / or can be removed from the associated receptacle and in a locking position of the pivotable bracket the emergence of the holding body from the associated receptacle is blocked .
  • Cleaning rollers and/or cleaning machines with cleaning rollers include, for example, from the US 2006/0064828 AL, the CN 106943079 A, the CN 204654812 U, EP 3 117 754 AL, the JP 63-217930, the JP 2013-02228 A, JP 2013-022277 A, JP 2013-027558 A, JP 2013-031508 A, JP 2015-146958 A, US 2012/0304416 Al, US 2013/0042429 Al, US 2014/0041136 Al , US 2015/0265116 Al, US 2015/0265117 Al or WO 01/41681 Al.
  • US 8,776,311 B2 discloses a cleaning head for a vacuum cleaner, the cleaning head having a housing in which a hollow brush rod is rotatably arranged.
  • JP 2013-022277 A discloses a floor suction nozzle for a vacuum cleaner.
  • JP 2005-312589 A discloses a suction tool for a vacuum cleaner.
  • WO 2015/139751 A1 discloses a method for cleaning a filter of a vacuum cleaner, wherein during operation of the vacuum cleaner the filter is flowed through by suction air which is generated by a blower, comprising:
  • the invention is based on the object of providing a floor cleaning device of the type mentioned, which is constructed in a structurally simple manner and functions safely.
  • This object is achieved according to the invention in the floor cleaning device of the type mentioned in that a pressure sensor device is provided, through which it can be determined during operation of the suction fan device whether the suction pipe is arranged on the holder or has been removed from the holder, that a control and / or control device is provided, which is connected in a signal-effective manner to the pressure sensor device, which determines whether the suction pipe is held on the holder or has been removed from the holder, and which controls the drive motor, and that the control and / or regulating device controls the drive motor in this way that when the suction tube is removed from the holder, the speed of the at least one cleaning roller is reduced compared to an operating mode in which the suction tube is held on the holder, and in particular is reduced to zero.
  • measurement data from the pressure sensor device are evaluated by the control and/or regulating device.
  • the evaluated measurement data is used to determine whether the suction pipe is seated on the holder or has been removed from the holder.
  • the control and/or regulation device detects (from measurement data from the pressure sensor device) that the suction pipe has been removed from the holder, then the speed of the at least one cleaning roller is reduced by appropriately controlling the drive motor (in particular, the speed of the drive motor is reduced ) and is reduced in particular to zero, i.e. the drive motor is switched off.
  • the floor to be cleaned or an object is sucked off via the suction tube. Often this means that the floor cleaning device is not moved and rests on the corresponding floor. If the at least one cleaning roller then continues to run at a non-reduced speed, it has a mechanical effect on the floor. If left standing for a long period of time, this can lead to damage to the floor.
  • the control and/or control device ensures that the speed is reduced and in particular that the drive motor is switched off when it is recognized that the suction pipe has been removed from the holder.
  • a pressure sensor device is used to detect whether the suction pipe is seated on the holder or has been removed from the holder. This means that no additional microswitch or the like needs to be provided in order to detect whether the suction pipe is on the holder or has been removed from it. This results in a simplified structure.
  • the pressure sensor device can be used to determine contactlessly with respect to the suction pipe whether the suction pipe is seated on the holder or has been removed from it. This also reduces wear and the like.
  • a floor cleaning device is usually provided with at least one pressure sensor anyway, for example to carry out a filter status determination. If at least one pressure sensor, which is present anyway, is also used to detect the positioning of the suction pipe on the holder, the number of components is minimized.
  • the pressure sensor device has at least one pressure sensor, which is arranged in such a way that when the suction pipe is held on the holder, a negative pressure caused by the suction fan device acts on the at least one pressure sensor and when the suction pipe is removed from the holder, an ambient pressure acts on the at least a pressure sensor acts.
  • this allows the at least one pressure sensor to be positioned in an inflow for a filter device.
  • the at least one pressure sensor can also be used, for example, to determine (directly or indirectly) a pressure loss via a filter device.
  • the at least one pressure sensor When the suction pipe is removed from the holder, the at least one pressure sensor is not there is no longer coupled to the suction fan device and is essentially exposed to the ambient pressure. As a result, an absolute pressure variable, which is measured by the at least one pressure sensor, provides a detection result regarding the positioning of the suction pipe on the holder or the removal of the suction pipe from the holder.
  • a pressure value in the order of a normal ambient pressure indicates that the suction pipe is not positioned on the holder.
  • a pressure value well below the usual ambient pressure indicates that (when the suction fan device is operating) the suction pipe is positioned on the holder.
  • the holder is designed for inserting and in particular attaching the suction pipe;
  • the floor head has a mounting plane for a floor to be cleaned and an insertion direction of the suction pipe into the holder is oriented transversely and in particular perpendicular to the mounting plane; an insertion direction of the suction tube into the holder is oriented in the direction of the floor when the floor head is placed on a floor to be cleaned;
  • the holder has a recess for receiving the suction pipe, the recess being in fluid communication with the receiving area of the floor head;
  • a sealing device is provided which, when the suction pipe is held on the holder, creates a fluid seal between the holder and the suction pipe.
  • suction pipe to be fluidly connected to the holder in a simple manner in order to ensure effective floor head suction operation To provide a flow path between the receiving area of the floor head and the suction fan device.
  • the suction tube can be easily positioned on the holder and removed from the holder.
  • the recess for receiving the suction pipe allows a mechanical and fluid connection to be established between the holder and the suction pipe in a simple manner.
  • the sealing device allows short-circuit air flows to be largely avoided when the suction pipe is positioned on the holder.
  • the pressure sensor device has at least one pressure sensor, which is arranged at a recess in the holder, the recess serving to accommodate the suction pipe, or is arranged in a space which is in pressure-effective connection with the recess for the suction pipe.
  • This allows the ambient pressure to be determined at least approximately when the suction pipe is removed from the holder, and the pressure in a flow path can be determined, which is a negative pressure with respect to the ambient pressure when the suction pipe is arranged on the holder.
  • the recess or the space is in pressure-effective connection with the outside space when the suction pipe is removed from the holder, and that the recess or the space is in pressure-effective connection with the suction fan device and / or the receiving area stand on the floor head when the suction pipe is arranged on the holder.
  • the space in which the at least one pressure sensor is arranged is in pressure-effective connection with a suction flow flow path; the space in which the at least one pressure sensor is arranged is separated from a suction flow flow path via a filter device; the space in which the at least one pressure sensor is arranged is arranged next to the holder in relation to a height direction perpendicular to an installation plane of the floor head; the space in which the at least one pressure sensor is arranged is arranged in a housing, with the holder in particular sitting on the housing.
  • the at least one pressure sensor can be accommodated in a protected manner.
  • the at least one pressure sensor is separated from a suction flow flow path via a filter device, then it can basically be positioned with reduced contamination.
  • a compact design results when the at least one pressure sensor is arranged next to the holder in relation to the height direction. This allows the ambient pressure to be at least approximately detected in a safe manner when the suction pipe is removed from the holder.
  • the space is arranged in a housing in which, in particular, the suction fan device is also arranged, then a protected accommodation for the at least one pressure sensor results in a simple manner.
  • the pressure sensor device comprises at least one pressure sensor, which is connected upstream of the suction fan device in relation to a suction flow and which is connected downstream of the receiving area of the floor head. This makes it easy to determine a pressure in a suction area of the floor cleaning device when the suction pipe is seated on the holder.
  • the pressure sensor device comprises at least one pressure sensor, which, based on a suction flow, is connected upstream of a filter device for the suction flow, and is in particular arranged in an inflow to the filter device.
  • This allows a pressure difference across the filter device between an outflow of the filter device and an inflow of the filter device to be determined directly or indirectly in a simple manner.
  • This allows a filter status determination for the filter device to be carried out in a simple manner. This makes it possible to detect, at least with respect to a threshold value, whether the filter device is still functioning sufficiently or is not clogged with dirt.
  • a housing in which the suction fan device is arranged, the holder being arranged on the housing and in particular on an outside of the housing or on the base head. This results in a simple structural design.
  • the housing has a connection for a flexible suction hose, the suction hose being connected to the connection and being connected to the suction pipe; the connection is arranged on a top side of the housing, which faces away from the bottom head; the housing is connected to a holding rod device, via which the floor cleaning device can be guided over a floor to be cleaned by a standing operator; the pressure sensor device is positioned in the housing; a flow path for a suction flow leads from the receiving area through the suction pipe via the suction hose into the housing when the suction pipe is held on the holder; the housing can be pivoted about at least one pivot axis with respect to the floor head.
  • the floor cleaning device can be used variably. This results in extensive positioning of the suction tube in a suction tube suction operation in order to be able to selectively vacuum a floor or objects to be cleaned.
  • An operator standing on the floor to be cleaned can use the holding rod device to guide the floor cleaning device in a standing position.
  • the pressure sensor device is arranged in the housing, a protected arrangement results.
  • the result is an optimized cable routing for signal lines.
  • a flow path for a suction flow leads from the floor head (from the receiving area of the floor head) through the suction tube via the suction hose into the housing.
  • the suction fan device in the housing generates the corresponding suction flow.
  • Optimized operability results if the housing can be pivoted about at least one pivot axis with respect to the floor head. This makes it possible to reduce the overall height of the floor cleaning device in relation to a height direction perpendicular to an installation level when the floor head is upright, for example in order to be able to drive under objects that are standing on the floor to be cleaned.
  • the floor head has a connection for a connecting hose, the connecting hose being connected to the connection to the floor head and being connected to the holder.
  • a fluid connection is established between the holder and the floor head via the connecting hose.
  • the control and/or regulating device uses a variable which characterizes a flow resistance of a filter device for the suction flow from a pressure difference across the filter device, which is a pressure difference between an outflow of the filter device and an inflow of the filter device. and determined from a quantity that characterizes a volume flow.
  • a corresponding method is described, for example, in WO 2015/139751 Al.
  • a filter condition can be determined in a relatively safe manner, with a small number of measured variables having to be used.
  • the control and/or regulating device checks whether the variable characterizing the flow resistance of the filter device exceeds a threshold value for a certain period of time and, in the positive case, initiates a warning display and/or filter cleaning measures. This makes it particularly possible to reliably detect whether measures (warning display, filter cleaning measures) are necessary.
  • this specific period of time is continuous and is preferably at least 5 seconds, and in particular at least 8 seconds and in particular at least 10 seconds.
  • the control and/or regulating device determines the variable characterizing the volume flow from a determined speed of a fan motor of the suction fan device and a characteristic curve of the suction fan device or of the floor cleaning device, the characteristic curve indicating the dependency between the speed and the volume flow .
  • the characteristic curve or a field of characteristic curves is stored in particular in the control and/or regulating device.
  • the speed of the blower motor is known or can be easily determined using a sensor device integrated into the blower motor.
  • the variable characterizing the volume flow is then determined from the corresponding characteristic curve by the control and/or regulating device. There is then no need to provide a sensor to directly determine the volume flow.
  • the pressure difference between the outflow of the filter device and the inflow of the filter device is measured or determined with the aid of the determined volume flow and a characteristic curve of the suction fan device or the floor cleaning device, the characteristic curve being a dependency between the volume flow and a pressure in the outflow Filter device indicates, for example, a further pressure sensor is provided, which determines a pressure in the outflow of the filter device.
  • a pressure in an inflow to the filter device can be determined via the at least one pressure sensor of the pressure sensor device, which can be used to determine whether the suction pipe is seated on the holder or has been removed from the holder. The pressure difference can then be determined from the measured pressure values in the outflow and inflow.
  • the pressure difference can also be determined from a characteristic curve.
  • the characteristic curve or a field of characteristic curves is stored in the control and/or regulating device.
  • the one previously identified Volume flow can be used to determine the pressure in the outflow of the filter device from the corresponding characteristic curve for the dependence between the volume flow and the pressure in the outflow of the filter device. This in turn allows the pressure difference to be determined.
  • the pressure difference is determined from a pressure determined by the control and/or regulating device in the outflow of the filter device and from a measured pressure from the pressure sensor device, in particular at least one pressure sensor of the pressure sensor device, via which it can be detected whether the suction pipe is arranged on the holder is or is removed from the holder, provides pressure measurement values for the inflow of the filter device.
  • the at least one pressure sensor of the pressure sensor device is then used to determine the pressure difference across the filter device (for determining the status of the filter) and is used to detect the presence or absence of the suction pipe on the holder.
  • a method for operating a floor cleaning device in which a pressure sensor device is used to determine whether the suction pipe is positioned on the holder or has been removed from the holder, and in which a speed of at least is achieved by controlling the drive motor for the at least one cleaning roller a cleaning roller is reduced and in particular is reduced to zero when it is detected that the suction pipe has been or will be removed from the holder.
  • the method according to the invention has the advantages already explained in connection with the floor cleaning machine according to the invention.
  • the pressure sensor device with at least one pressure sensor makes it possible to determine the presence of the suction pipe on the holder or the absence of the suction pipe on the holder without contact.
  • a pressure sensor that is usually present anyway and is used in particular in connection with determining the status of the filter can then also be used to detect the presence or absence of the suction pipe on the holder.
  • the speed of the drive motor for the at least one cleaning roller is reduced and in particular the drive motor for the at least one cleaning roller is switched off from measured values of the pressure sensor device.
  • Figure 1 is a perspective view of an exemplary embodiment of a floor cleaning device according to the invention.
  • Figure 2 is a partial side view of the floor cleaning device according to Figure 1;
  • Figure 3 is a detailed sectional view of the floor cleaning device according to Figure 1 with a suction pipe arranged on a holder;
  • Figure 4 is the same view as Figure 3 with the suction pipe removed from the holder;
  • FIG. 5 is a schematic representation of the functional arrangement of components of the floor cleaning device according to Figure 1;
  • FIG. 6 schematically shows an exemplary embodiment of the time course of a flow resistance of a filter device during operation of the floor cleaning device according to FIG. 1;
  • Figure 7 shows an example of the course of characteristics in the floor cleaning device according to Figure 1 for the dependence of a speed (n) of a blower motor on the volume flow (Q) and the dependence of a pressure (pz) in an outflow of a filter device on the volume flow Q and an example of a procedure to determine a specific pressure p2* from the characteristic curves at a known speed n* of the blower motor.
  • An exemplary embodiment of a floor cleaning device 10 according to the invention is a brush suction machine (carpet brush vacuum cleaner), which is shown in a perspective view in FIG.
  • the floor cleaning device 10 includes a floor head 12 with a roller housing 14.
  • the floor head 12 can be supported on a floor 16 to be cleaned (see FIG. 2) via a wheel device 18.
  • the wheel device 18 includes wheels 20 with in particular a left rear wheel and a right rear wheel.
  • the wheels 20 are arranged in the area of a rear end of the floor head 12.
  • rollers 22 are arranged on the floor head 12 at a distance from the wheels 20.
  • the floor cleaning device 10 includes a holding rod device 24, on which a handle 26 is arranged at a proximal end. Using the handle 26, an operator can guide the floor cleaning device 10 standing over the floor 16 to be cleaned.
  • the holding rod device 24 comprises a single holding rod 28.
  • a housing 30 is arranged on this holding rod 28.
  • a suction fan device 32 is positioned in the housing 30.
  • the suction fan device 32 includes a fan motor 33, which is in particular an electric motor, and a corresponding fan device with one or more impellers.
  • the housing 30 or the holding rod device 24 is connected to the floor head 12 and in particular pivotally connected in such a way that the holding rod device 24 can be pivoted about (at least) one pivot axis to the floor head 12 when the floor head 12 is supported on the surface 16 to be cleaned.
  • a pivot axis is provided which is at least approximately parallel to a mounting plane 35 of the floor head 12 on the floor 16 to be cleaned.
  • the installation level 35 is defined by the wheels 20 and the roller 22.
  • At least one suction opening 34 is formed on the roller housing 14. This has a fluid effect on the suction fan device 32.
  • the floor cleaning device 10 also has a suction pipe 36, on which in particular a suction nozzle sits or can be positioned.
  • the suction pipe 36 is in fluid connection with the suction fan device 32 with a flexible suction hose 38.
  • a holder 40 for the suction pipe 36 is arranged on the housing 30.
  • the roller housing 14 has a roller holder 42.
  • This roller holder 42 is in the area of a front end 44 of the floor head 12 (des Roller housing 14) is arranged, which faces away from the end at which the wheels 20 are arranged.
  • the roller holder 42 is open at the suction mouth 34. Otherwise it is closed.
  • the roller holder 42 serves to hold a cleaning roller 46. It is a receiving area 43 on which the suction opening 34 is located.
  • the cleaning roller 46 is a brush roller with a bristle trim 48.
  • the bristle trim 48 is in particular arranged such that the cleaning roller 46 acts as a carpet brush.
  • the cleaning roller 46 is a textile roller, or that the cleaning roller 46 is a combination of a textile roller and a brush roller.
  • the cleaning roller can be rotated about an axis of rotation 50 when it is positioned and fixed in the roller housing 14 and in the roller holder 42 (at the receiving area).
  • the axis of rotation 50 is at least approximately parallel to the installation plane 35 on the floor 16 to be cleaned when the floor head 12 is properly set up on it and supported by the wheel device.
  • the roller holder 42 is assigned an end wall on the roller housing 14.
  • the opening is an opening in the roller holder 52.
  • the cleaning roller 46 can be brought into the roller receptacle 42 through this opening or the cleaning roller 46 can be removed from the roller receptacle 42 and thus the floor head 12 through the opening 54.
  • the roller holder 42 is also assigned a wall opposite the opening, which is closed.
  • the wall is a side wall of the roller housing 14.
  • a pivot bearing for the cleaning roller 46 is arranged on this wall.
  • the cleaning roller 46 has a counter element for this pivot bearing. In particular, the cleaning roller can be pushed onto the pivot bearing with the counter element.
  • a drive motor 62 for the rotary movement of the cleaning roller 46 is arranged in the roller housing 14.
  • the drive motor 62 acts on the cleaning roller 46, for example via a belt drive, and drives its rotational movement.
  • the drive motor 62 acts on the pivot bearing to cause a corresponding rotation, and the cleaning roller 46 can be connected to the pivot bearing in a rotationally fixed manner via the counter element.
  • a lid 64 is provided to close the opening.
  • a pivot bearing is arranged on the cover 64. If the opening is closed with the lid 64, then this pivot bearing supports the cleaning roller 46 on the lid 64 so that it can rotate about the axis of rotation 50.
  • the cover 64 can be removed as a whole from the roller housing 14 and is a part that is separate from the roller housing 14 and can be fixed to the roller housing 14.
  • the housing 30 has a bottom 66, which faces the bottom head 12, and has a top 68, which faces away from the bottom head 12.
  • the suction fan device 32 with a fan motor 70 and a fan device 72 is arranged in the housing 30 between the bottom 66 and the top 68.
  • a connection 74 for the suction hose 38 is arranged on the top 68.
  • the suction hose 38 is arranged on this and is connected to the (rigid) suction pipe 36.
  • the holder 40 is arranged on the housing 30 and outside an interior of the housing 30. In particular, it is positioned closer to the bottom 66 than to the top 68 on the housing 30.
  • the holder 40 has a recess 76 into which the suction pipe 36 can be inserted and in particular plugged on.
  • An insertion direction 78 (FIG. 4) faces transversely and in particular perpendicularly to the installation plane 35 and the floor head 12.
  • a sealing device is provided (not shown in the drawings), which ensures a fluid-tight seal between the holder 40 and the suction pipe 36 when the suction pipe 36 is held on the holder 40 (into the recess 76), so that a suction flow alone without short-circuit currents is guided through the suction pipe 36 when it is inserted into the holder 40.
  • a fluid-effective connection can be established between the receiving area 43 and thereby between the suction mouth 34 and the suction fan device 32 via the suction pipe 36 via the holder 40.
  • the holder 40 causes a mechanical fixation of the suction pipe 36 with respect to the housing 30.
  • additional holding elements 80, 82 can be arranged on an outside of the housing 30.
  • a holding element 80 is provided at a distance from the holder 40, which includes a penetration ring for the suction pipe 36.
  • the holding element 80 is arranged at a distance from the holder 40 in relation to a height direction 84, which is perpendicular to the installation plane 35.
  • a holding element 82 is also provided, which sits on or near the top 68 on the housing 30, and by means of which, for example, the suction pipe 36 can be gripped.
  • the holding elements 80, 82 in particular prevent the suction pipe 36 from “falling out” from the housing 30 in transverse directions to the height direction 84.
  • the holder 41 provides support with respect to the height direction 84 downwards and also for a positive connection in transverse directions to the height direction 84.
  • the holding element 82 is designed as a bracket, from which the suction tube 36 can be removed by applying appropriate force, then it is sufficient to remove the suction tube 36 by guiding it over the holding element 80, and it can then be led out of the holding element 82 laterally by applying appropriate force.
  • connection 86 for a connecting hose 88 is arranged on the floor head 12.
  • the connection 74 is in fluid communication with the receiving area 43 and thereby the suction opening 34.
  • the connecting hose 88 is flexible and leads from the connection 86 to the holder 40.
  • the connecting hose 88 provides a fluid connection between the holder 40 and the floor head 12. Due to the flexible Formation of the connecting hose 88 allows the housing 30 to pivot relative to the base head 12 as described above.
  • the suction fan device 32 is assigned a filter device 90, which is connected upstream of the suction fan device 32 in relation to a suction flow.
  • a suction flow which is coupled in via the suction pipe 36 at the connection 74, must flow through the filter device 90.
  • the filter device 90 is arranged in the housing 30.
  • the floor cleaning device 10 has an inflow 92 for the filter device 90 and has an outflow 94 for the filter device 90.
  • the inflow 92 is connected upstream of the filter device 90 in relation to a suction flow.
  • the outflow 94 is connected downstream of the filter device 90 in relation to this suction flow.
  • Dirty suction air generally flows in the inflow 92. Suction air flows in the outflow 94 and is cleaned via the filter device 90.
  • the filter device 90 is designed as a dust filter and is used to filter out dirt particles up to a certain size.
  • it can include a HEPA filter. It can be designed, for example, as a flat pleated filter or the like.
  • the floor cleaning device 10 includes a control and/or regulating device 96. This is arranged in particular in the housing 30.
  • the control and/or regulating device 96 controls the drive motor 62.
  • the floor cleaning device 10 includes one or more operating elements 100.
  • an on/off switch is provided. This is preferably arranged on the handle 26. Additional controls can be provided, for example for setting the cleaning performance.
  • the control element(s) 100 are in a signal-effective connection with the control and/or regulating device 96.
  • a pressure sensor device 102 with at least one pressure sensor 104 is provided, by means of which it can be determined whether the suction pipe 36 is inserted into the holder 40 (FIG. 3), or whether the suction pipe 36 has been removed from the holder 40.
  • the at least one pressure sensor 104 is arranged in the inflow 92 or is connected to this inflow 92 in a pressure-effective manner.
  • the at least one pressure sensor 104 is connected to the control and/or regulating device 96 in a signal-effective manner.
  • it is connected to the control and/or regulation device 96 in a signal-effective manner via one or more lines 106 (FIGS. 3 to 5).
  • the at least one pressure sensor 104 is arranged so that, when the suction fan device 32 is in operation, with the tube 36 inserted on the holder 40, it detects a pressure pi (see FIG. 5), which lies in the inflow 92.
  • the at least one pressure sensor 104 is further arranged so that it is exposed to an ambient pressure of the floor cleaning device 10 when the suction pipe 36 is removed from the holder 41.
  • the measured pressure values pi of the at least one pressure sensor 104 can be used to determine whether the suction fan device 32 is in operation Suction pipe 36 is inserted into the holder 40 or not. When the suction pipe 36 is not inserted, the measured pressure value pi is at least approximately at the ambient pressure. When the suction pipe 36 is inserted into the holder 40, the measured pressure value pi is characteristic of the pressure in the suction flow and is therefore significantly smaller than the ambient pressure.
  • the at least one pressure sensor 104 is arranged on the holder 40 and on the recess 76.
  • the at least one pressure sensor 104 is arranged in a space 108 which is adjacent to the recess 76. This has the advantage that when the suction pipe 36 is inserted or removed from the holder 40, the at least one pressure sensor 104 does not experience any corresponding mechanical stress.
  • the space 108 is connected to the recess 76 of the holder 40 in a pressure-effective manner.
  • a filter device is provided between the space 108 and the recess 76, so that the at least one pressure sensor 104 can determine the pressure at the recess 76 without being directly subject to a full exposure to dust.
  • the at least one pressure sensor 104 is arranged on and in particular in the housing 30.
  • the pressure sensor 104 may be arranged on the floor head 12, on the suction pipe 36, or in the suction hose 38 or on the housing 30 in the area of the top 68 and upstream of the filter device 90. By arranging the at least one pressure sensor 104 on and in particular in the housing 30, a protected structure with fixed cable routing for the line 106 results.
  • exactly one pressure sensor 104 is provided for the pressure sensor device 102 to determine whether the suction pipe 36 is seated on the holder 40.
  • the measured values of the at least one pressure sensor 104 are used by the control and/or regulating device 96 to control the drive motor 62.
  • the drive motor 62 drives the cleaning roller 46 in rotation about the rotation axis 50. If the suction pipe 36 is seated on the holder 40, a suction operation also takes place on the receiving area 43 of the floor head 12.
  • surface cleaning can be carried out by an operator on the floor 16 to be cleaned.
  • the operator removes the suction pipe 36 from the holder 40, particularly during operation (with the suction fan device 32 in operation).
  • the suction pipe 36 and in particular a nozzle arranged thereon carry out a (local) suction process.
  • suction tube 36 is arranged on the holder 40, then a floor head suction operation takes place by means of suction at the suction mouth 34. If the suction tube 36 is removed, then a suction tube suction operation takes place. Due to an increase in the pressure pi up to at least approximately the ambient pressure, the removal of the suction pipe 36 from the holder 40 (in order to carry out a suction pipe suction operation) can be detected via the control and/or regulating device 96.
  • control and/or regulating device 96 If the control and/or regulating device 96 detects a removal of the suction pipe 36 from the holder 40, then it controls the drive motor 62 in such a way that the speed of rotation of the cleaning roller 56 about the axis of rotation 50 is reduced. This makes it possible to avoid damage to a floor that is to be cleaned, and in particular to carpets, due to excessive mechanical stress.
  • the speed is reduced to zero, that is, the drive motor 62 is switched off.
  • the cleaning roller 46 rotates at a greatly reduced speed in the suction pipe suction mode and in particular no longer rotates at all and therefore does not exert any mechanical stress on the floor to be cleaned.
  • measurement data from the existing at least one pressure sensor 104 are used (see below).
  • the floor cleaning machine 10 works as follows:
  • the suction pipe 36 is held on the holder 40.
  • the cleaning roller 46 rotates around the axis of rotation 50, driven by the drive motor 62.
  • An operator guides the floor cleaning device 10 over the floor 16 to be cleaned.
  • Suction takes place at the suction opening 34. Dirt is also taken away mechanically via the cleaning roller 46.
  • a suction stream 110 flows from the floor head 12 via the connecting hose 88 through the holder 40 through the suction pipe 36 and the suction hose 38 and through the filter device 90.
  • control and/or regulating device 96 detects the presence of the suction pipe 36 as part of the flow path of the suction stream 110 by means of the at least one pressure sensor 104 and its pressure values pi (in the inflow 92 to the filter device 90).
  • the measured values of the at least one pressure sensor 104 are then at least approximately at the ambient pressure. This is detected by the control and/or regulating device 96, and this ensures a reduction in the speed of the drive motor 62 for the cleaning roller 46 and in particular a shutdown.
  • control and/or regulating device 96 can control or regulate the blower motor 70 using measured values from the at least one pressure sensor 104. Furthermore, filter status detection can take place, as described below.
  • a variable characterizing a flow resistance of the filter device 90 is determined by means of the control and/or regulation device 96.
  • the quantity characterizing the flow resistance (cw value) is determined as a quotient of a pressure difference between outflow 94 and inflow 92 and a volume flow Q.
  • the quantity characterizing this flow resistance is in particular proportional to the determined pressure difference in relation to a power and in particular to the second power of the volume flow.
  • the control and/or regulation device 96 determines this.
  • the control and/or regulating device 96 checks in a time-resolved manner whether this variable cw continuously exceeds a certain threshold. This is indicated schematically in Figure 6.
  • the size cw (N) is a nominal size for the flow resistance of the filter device 90 without dirt loading on the filter device 90. This nominal size refers to an unused filter device 90.
  • a threshold cw (s) is specified. This threshold can be temporarily exceeded for a short time. This is indicated in Figure 6 by the tips 114.
  • the control and/or regulating device 96 checks whether the threshold cw (s) is exceeded for a longer period of time AT.
  • This period AT is a continuous connected period. It is in particular at least 5 s, preferably at least 8 s and particularly preferably at least 10 s.
  • the control and / or regulation device 96 activates a warning display 116 (FIG. 5), which is arranged, for example, on the handle 26 or the top 68 of the housing 30.
  • the warning display 116 can be visual and/or acoustic. It provides an operator with a warning that the filter device 90 needs to be cleaned or replaced.
  • the floor cleaning device 10 includes a filter cleaning device 118 and in particular automatic filter cleaning device 118 and, accordingly, when the threshold is exceeded over the minimum time period AT, the control and / or regulating device 96 initiates an automatic filter cleaning process via the filter cleaning device 118.
  • the pressure difference across the filter device 90 and thus the pressure difference between the outflow 94 and the inflow 92 is determined.
  • the pressure pi in the inflow 92 can be determined via the at least one pressure sensor 104.
  • a further pressure sensor 120 can be provided (FIG. 5), which then measures the pressure p2 in the outflow 94.
  • the pressure difference Ap p2 - pi is then measured directly via the pressure sensors 120 and 104.
  • the pressure p2 is determined from a characteristic curve of the suction fan device 32 without measurement. This means that no further pressure sensor 120 needs to be provided and it is sufficient to provide at least one pressure sensor 104. The pressure sensor 104 can then be used to detect a filter condition and to detect whether the suction pipe 36 is seated on the holder 40 or has been removed from the holder 40.
  • the control and/or regulating device 96 comprises a storage device 122. This stores a characteristic curve 124 or a characteristic field 126 for the suction fan device 32 or the floor cleaning device 10, which indicates a dependence of the pressure p2 in the outflow 94 on a volume flow Q.
  • a characteristic curve or a characteristic curve field 126 is stored in the memory device 122, which indicates a dependence of a speed of the blower motor 70 on the volume flow Q at the suction fan device 32.
  • the control and/or regulation device 96 first determines a speed n* of the blower motor 70.
  • a corresponding sensor system is provided or the speed n* is known anyway.
  • the associated volume flow Q* is then determined from the characteristic curve 124.
  • the associated pressure value p2* in the outflow 94 is determined - sensorless - using the characteristic curve 124.
  • Ap* p2* - pi* is known because the pressure sensor 104 measures the values pi and passes them on to the control and / or regulating device 96.
  • the pressure sensor 104 which is generally present anyway and is used in connection with filter status detection, is additionally used to detect whether the suction pipe 36 is arranged on the holder 40 and the bottom head 12 is in the suction flow flow path, or whether the suction pipe 36 is removed from the holder 40.

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

Abstract

L'invention concerne un dispositif de nettoyage de sol comprenant une tête de sol (12), au moins un rouleau de nettoyage (46), qui est disposé de manière rotative sur la tête de sol (12) dans une région de réception (43) de la tête de sol (12), un moteur d'entraînement (62) pour le ou les rouleaux de nettoyage (46), un moyen de ventilateur d'aspiration (32), un tube d'aspiration (36), qui est en communication fluidique avec le moyen de ventilateur d'aspiration (32), et un support (40) pour le tube d'aspiration (36). Lorsque le tube d'aspiration (36) est maintenu sur le support (40), une connexion fluidique est établie entre le moyen de ventilateur d'aspiration (32) et la région de réception (43) de la tête de plancher (12) pour une opération d'aspiration de tête de plancher, le tube d'aspiration (36) pouvant être retiré du support (40) pour une opération d'aspiration de tube d'aspiration. Un moyen de capteur de pression (102) est prévu, qui peut déterminer, pendant le fonctionnement du moyen de ventilateur d'aspiration (32), si le tube d'aspiration (36) est disposé sur le support (40) ou s'il est retiré du support (40) et un moyen de commande en boucle ouverte et/ou en boucle fermée est prévu, qui est relié au moyen de capteur de pression (102) pour l'échange de signal, détermine si le tube d'aspiration (36) est maintenu sur le support (40) ou s'il est retiré du support (40) et commande le moteur d'entraînement (62), ledit moyen de commande et/ou de commande en boucle fermée (96) commandant le moteur d'entraînement (62) de telle sorte que, lorsque le tube d'aspiration est retiré du support (40), la vitesse dudit au moins un rouleau de nettoyage (46) est réduite par rapport à un mode de fonctionnement dans lequel le tube d'aspiration (36) est maintenu sur le support (40) et. en particulier, est réduit à zéro.
PCT/EP2023/058954 2022-04-25 2023-04-05 Dispositif de nettoyage de sol avec capteur de pression WO2023208552A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022109923.7A DE102022109923A1 (de) 2022-04-25 2022-04-25 Bodenreinigungsgerät mit Drucksensoreinrichtung
DE102022109923.7 2022-04-25

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WO2023208552A1 true WO2023208552A1 (fr) 2023-11-02

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WO (1) WO2023208552A1 (fr)

Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63217930A (ja) 1987-03-05 1988-09-12 株式会社日立製作所 燃料電池発電装置
WO2001041681A1 (fr) 1999-12-10 2001-06-14 Nuvasive, Inc. Vis a facette et systeme de support et de fusion intervertebraux avec allogreffes osseuses
JP2005312589A (ja) 2004-04-28 2005-11-10 Mitsubishi Electric Corp 電気掃除機の吸込具
US20060064828A1 (en) 2004-09-24 2006-03-30 Thomas Stein Brush roll arrangement for a floor cleaning tool
US20110005028A1 (en) * 2009-07-08 2011-01-13 Samsung Gwangju Electronics Co., Ltd. Vacuum cleaner having safety apparatus of auxiliary brush assembly
US20120304416A1 (en) 2010-02-15 2012-12-06 Bissell Homecare, Inc. Upright deep cleaner and method
JP2013022228A (ja) 2011-07-21 2013-02-04 Mitsubishi Electric Corp 床面吸込具、及び、この床面吸込具を用いた電気掃除機
JP2013022277A (ja) 2011-07-22 2013-02-04 Mitsubishi Electric Corp 電気掃除機の床面吸込具、及びこの床面吸込具を備えた電気掃除機
JP2013027558A (ja) 2011-07-28 2013-02-07 Mitsubishi Electric Corp 電気掃除機の吸い込み具、及び、この吸い込み具を備えた電気掃除機
JP2013031508A (ja) 2011-08-01 2013-02-14 Mitsubishi Electric Corp 電気掃除機用吸込具
US20130042429A1 (en) 2009-11-09 2013-02-21 Mitsubishi Electric Corporation Suction tool for vacuum cleaner
US20140041136A1 (en) 2012-08-13 2014-02-13 Dyson Technology Limited Cleaner head
US8776311B2 (en) 2012-01-10 2014-07-15 Dyson Technology Limited Cleaner head for a vacuum cleaner
US20140304938A1 (en) * 2013-04-10 2014-10-16 Grey Technology Limited, A British Corporation Vacuum cleaner
JP2015146958A (ja) 2014-02-07 2015-08-20 三菱電機株式会社 床面吸込具及びこの床面吸込具を備えた電気掃除機
CN204654812U (zh) 2015-06-03 2015-09-23 苏州双荣橡塑有限公司 风动地刷
WO2015139751A1 (fr) 2014-03-20 2015-09-24 Alfred Kärcher Gmbh & Co. Kg Procédé pour nettoyer un filtre d'un appareil d'aspiration des poussières, et appareil d'aspiration des poussières
US20150265116A1 (en) 2014-03-19 2015-09-24 Dyson Technology Limited Cleaner appliance
US20150265117A1 (en) 2014-03-19 2015-09-24 Dyson Technology Limited Cleaner head
DE102014108192A1 (de) 2014-06-11 2015-12-17 Miele & Cie. Kg Staubsauger mit einem am Staubsauger entnehmbaren Filter sowie ein in einem solchen Staubsauger verwendbares Filter
EP3117754A1 (fr) 2015-07-16 2017-01-18 Vorwerk & Co. Interholding GmbH Appareil de nettoyage comprenant un rouleau de nettoyage en rotation
CN106943079A (zh) 2017-05-15 2017-07-14 苏州市春菊电器有限公司 一种滚刷快速拆装装置及其清洁器具
WO2018039781A1 (fr) * 2016-08-29 2018-03-08 Omachron Intellectual Property Inc. Appareil de nettoyage de surface
GB2554780A (en) 2016-10-10 2018-04-11 Conta Sro Vacuum cleaner
WO2020020862A1 (fr) 2018-07-24 2020-01-30 Alfred Kärcher SE & Co. KG Machine de nettoyage dotée d'un boîtier de cylindre

Patent Citations (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63217930A (ja) 1987-03-05 1988-09-12 株式会社日立製作所 燃料電池発電装置
WO2001041681A1 (fr) 1999-12-10 2001-06-14 Nuvasive, Inc. Vis a facette et systeme de support et de fusion intervertebraux avec allogreffes osseuses
JP2005312589A (ja) 2004-04-28 2005-11-10 Mitsubishi Electric Corp 電気掃除機の吸込具
US20060064828A1 (en) 2004-09-24 2006-03-30 Thomas Stein Brush roll arrangement for a floor cleaning tool
US20110005028A1 (en) * 2009-07-08 2011-01-13 Samsung Gwangju Electronics Co., Ltd. Vacuum cleaner having safety apparatus of auxiliary brush assembly
US20130042429A1 (en) 2009-11-09 2013-02-21 Mitsubishi Electric Corporation Suction tool for vacuum cleaner
US20120304416A1 (en) 2010-02-15 2012-12-06 Bissell Homecare, Inc. Upright deep cleaner and method
JP2013022228A (ja) 2011-07-21 2013-02-04 Mitsubishi Electric Corp 床面吸込具、及び、この床面吸込具を用いた電気掃除機
JP2013022277A (ja) 2011-07-22 2013-02-04 Mitsubishi Electric Corp 電気掃除機の床面吸込具、及びこの床面吸込具を備えた電気掃除機
JP2013027558A (ja) 2011-07-28 2013-02-07 Mitsubishi Electric Corp 電気掃除機の吸い込み具、及び、この吸い込み具を備えた電気掃除機
JP2013031508A (ja) 2011-08-01 2013-02-14 Mitsubishi Electric Corp 電気掃除機用吸込具
US8776311B2 (en) 2012-01-10 2014-07-15 Dyson Technology Limited Cleaner head for a vacuum cleaner
US20140041136A1 (en) 2012-08-13 2014-02-13 Dyson Technology Limited Cleaner head
US20140304938A1 (en) * 2013-04-10 2014-10-16 Grey Technology Limited, A British Corporation Vacuum cleaner
JP2015146958A (ja) 2014-02-07 2015-08-20 三菱電機株式会社 床面吸込具及びこの床面吸込具を備えた電気掃除機
US20150265116A1 (en) 2014-03-19 2015-09-24 Dyson Technology Limited Cleaner appliance
US20150265117A1 (en) 2014-03-19 2015-09-24 Dyson Technology Limited Cleaner head
WO2015139751A1 (fr) 2014-03-20 2015-09-24 Alfred Kärcher Gmbh & Co. Kg Procédé pour nettoyer un filtre d'un appareil d'aspiration des poussières, et appareil d'aspiration des poussières
DE102014108192A1 (de) 2014-06-11 2015-12-17 Miele & Cie. Kg Staubsauger mit einem am Staubsauger entnehmbaren Filter sowie ein in einem solchen Staubsauger verwendbares Filter
CN204654812U (zh) 2015-06-03 2015-09-23 苏州双荣橡塑有限公司 风动地刷
EP3117754A1 (fr) 2015-07-16 2017-01-18 Vorwerk & Co. Interholding GmbH Appareil de nettoyage comprenant un rouleau de nettoyage en rotation
WO2018039781A1 (fr) * 2016-08-29 2018-03-08 Omachron Intellectual Property Inc. Appareil de nettoyage de surface
GB2554780A (en) 2016-10-10 2018-04-11 Conta Sro Vacuum cleaner
CN106943079A (zh) 2017-05-15 2017-07-14 苏州市春菊电器有限公司 一种滚刷快速拆装装置及其清洁器具
WO2020020862A1 (fr) 2018-07-24 2020-01-30 Alfred Kärcher SE & Co. KG Machine de nettoyage dotée d'un boîtier de cylindre

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