EP3361924B1 - Machine de nettoyage de surfaces - Google Patents

Machine de nettoyage de surfaces Download PDF

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Publication number
EP3361924B1
EP3361924B1 EP15775749.3A EP15775749A EP3361924B1 EP 3361924 B1 EP3361924 B1 EP 3361924B1 EP 15775749 A EP15775749 A EP 15775749A EP 3361924 B1 EP3361924 B1 EP 3361924B1
Authority
EP
European Patent Office
Prior art keywords
cooling air
suction
routing device
housing
process air
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
EP15775749.3A
Other languages
German (de)
English (en)
Other versions
EP3361924A1 (fr
Inventor
Fabian MOSER
Christoph RUFENACH
Rainer Kurmann
Andreas MÜLLER
Manuel SCHULZE
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and 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 Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP3361924A1 publication Critical patent/EP3361924A1/fr
Application granted granted Critical
Publication of EP3361924B1 publication Critical patent/EP3361924B1/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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
    • A47L11/201—Floor surfacing or polishing machines combined with vacuum cleaning devices with supply of cleaning agents
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
    • A47L11/202—Floor surfacing or polishing machines combined with vacuum cleaning devices having separate drive for the cleaning 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/10—Floor surfacing or polishing machines motor-driven
    • A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
    • A47L11/145—Floor surfacing or polishing machines motor-driven with rotating tools with supply of cleaning agents
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4002—Installations of electric equipment
    • A47L11/4005—Arrangements of batteries or cells; Electric power supply arrangements
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners

Definitions

  • the invention relates to a surface cleaning machine, comprising a device body with a housing, a suction unit device with a fan, which is arranged in the housing, a cleaning head, which is arranged on the device body outside of the housing, comprises at least one cleaning roller and is fluidly active with the suction unit device connected, an air-cooled drive motor for driving the at least one cleaning roller in rotation, a process air ducting device for process air of the suction unit device, with the drive motor being arranged outside the housing of the device body, and a cooling air ducting device for cooling air of the drive motor, which has at least one fluid path which is on or in is arranged in the housing, wherein the cooling air guiding device is coupled to the process air guiding device and wherein the cooling air guiding device has a cooling air inlet and a cooling air outlet and the process air guiding device has a process air inlet and a process air outlet.
  • the EP 2 064 979 A1 discloses an electric suction head for a vacuum cleaner.
  • the GB 2 435 820A discloses a vacuum cleaner with a cleaning head.
  • the WO 02/28251 A2 also discloses a vacuum cleaner.
  • a cleaning device for cleaning a surface which comprises a rotatable brush. There is also a squeegee element spaced from the brush and secured to an underside of a nozzle housing.
  • WO 2013/027164 A1 also discloses a cleaning device having a rotatable brush and a single squeegee element.
  • the object of the invention is to provide a surface cleaning machine of the type mentioned at the outset, which has a high level of splash water resistance with a simple structural design.
  • this object is achieved according to the invention in that a moistening device is provided for moistening the at least one cleaning roller with cleaning liquid, that the cooling air outlet and the process air outlet coincide, that the process air inlet is controlled by one or more Suction mouths is formed on the cleaning head, and that the cooling air inlet is spaced from the process air inlet and arranged in a cleaning operation of the surface cleaning machine is positioned above the process air inlet in relation to the direction of gravity.
  • the drive motor is air-cooled.
  • a cooling air guide device which has at least one channel through which the at least one fluid path is formed and which is arranged on or in the housing, can provide a cooling air inlet or cooling air outlet at a large distance from the at least one cleaning roller and in particular on and preferably in an upper area of the housing. As a result, a high level of splash water protection can be obtained for the area of the cleaning head.
  • the number of (air) openings on the cleaning head or in the vicinity of the cleaning head can be kept small.
  • cooling air guiding device is coupled to the process air guiding device, then fluid paths or openings can be used jointly for cooling air and process air. The number of inlets and outlets can be reduced.
  • the suction unit device can be used to suck in cooling air from the cooling air guiding device.
  • the process air guiding device and the cooling air guiding device have at least one common fluid path.
  • an outlet and/or an inlet can be used jointly for cooling air and process air.
  • the cooling air guiding device has a cooling air inlet and a cooling air outlet
  • the process air guiding device has a process air inlet and a process air outlet
  • the cooling air outlet and the process air outlet coincide.
  • the process air outlet forms the cooling air outlet and/or the process air inlet forms the cooling air inlet.
  • a cooling air inlet is provided, a process air inlet is provided and a common outlet is provided for cooling air and process air.
  • the cooling air inlet and the process air inlet are separate from each other. As a result, only two inlets and one outlet in total have to be provided for cooling air and process air.
  • cooling air inlet is arranged on the cleaning head or on a transition area from the cleaning head to the housing of the device body. This results in a short route for supply air cooling air to the drive motor.
  • the process air inlet is formed by one or more suction openings on the cleaning head.
  • the cooling air inlet is arranged at a distance from the process air inlet and is positioned above the process air inlet in relation to the direction of gravity, in particular during cleaning operation of the surface cleaning machine. This results in an optimized ability to be coupled in and, in particular, to be able to suck in supply air cooling air.
  • the process air outlet is arranged on the device body and in particular on the housing of the device body and in particular arranged at a distance from the cleaning head and in particular arranged at a distance from the drive motor.
  • process air can be released into the environment at a relatively large distance from the at least one cleaning roller.
  • exhaust air cooling air can also be discharged to the environment there.
  • the drive motor is arranged in a motor housing.
  • the motor housing can be used to guide the flow of cooling air.
  • the cooling air guiding device has at least one fluid path through the motor housing and preferably through the drive motor. In this way, optimized air cooling of the drive motor can be achieved.
  • the motor housing is arranged in a sleeve.
  • a joint can be formed via the sleeve, for example as an inner sleeve, via which the cleaning head can be pivoted relative to the device body.
  • the sleeve can also be used to guide the flow.
  • a wall and also a wall of a motor housing
  • the cooling air guiding device has at least one fluid path, which lies along the sleeve and/or between the sleeve and the or a motor housing.
  • the cooling air guiding device has a first fluid path, which runs along the sleeve and is located on an outer side of the sleeve, and has a second fluid path, which runs along the sleeve on an inner side of the sleeve facing the motor housing.
  • the motor housing extends along an axial direction (which in particular coincides with a drive axis of the drive motor) between a first end and a second end and a
  • the cooling air inlet of the cooling air guiding device is positioned between the first end and the second end on the surface cleaning machine in relation to the axial direction.
  • the cooling air inlet is positioned at the height of the motor housing. This results in an optimized feedability of supply air cooling air to the drive motor with high splash water protection.
  • the cleaning head can be pivoted relative to the drive motor and, in particular, can be pivoted relative to a sleeve, with the sleeve in particular forming a pivot bearing element.
  • corner regions can be cleaned in an advantageous manner, for example because the device body can be pivoted relative to the at least one cleaning roller.
  • the sleeve in turn, can be used, for example, to guide the flow of the cooling air guiding device. It is also possible, for example, to fix the drive motor to the device body via the sleeve and to position it outside of the housing.
  • the sleeve is non-rotatably connected to the device body.
  • a swivel bearing can be implemented in a simple manner with the cleaning head being able to rotate relative to the device body.
  • the cooling air guiding device is coupled to a suction area of the process air guiding device.
  • a corresponding negative pressure prevails in the suction area of the process air guiding device. This is generated by a fan of the suction unit device.
  • This negative pressure can be used to drive cooling air through the cooling air guiding device.
  • no fan has to be provided for the drive motor in order to drive cooling air through the cooling air guiding device.
  • At least one fluid path of the cooling air guiding device opens into at least one suction path of the process air guiding device.
  • the at least one suction path has at least one rib, which is assigned to an opening of the at least one fluid path of the cooling air guiding device into the at least one suction path.
  • the at least one rib is arranged in the suction path in such a way that it is effective in preventing liquid droplets from the suction flow from penetrating into the cooling air guiding device.
  • the suction flow in the at least one suction path, into which the at least one fluid path of the cooling air guiding device is coupled can still contain liquid droplets, liquid droplets basically being able to get from the at least one suction path into the cooling air guiding device.
  • the at least one rib which is arranged in particular in front of an opening of the at least one fluid path of the cooling air guiding device into the at least one suction path, at least a large part of liquid droplets can be prevented from penetrating into the cooling air guiding device.
  • the at least one rib acts to a certain extent as a screen.
  • a blocking element for droplets penetrating from the at least one suction path into the cooling air guiding device is arranged at an opening of the cooling air guiding device into the at least one suction path.
  • the blocking element serves to prevent or at least reduce the ingress of drops.
  • the locking element has an area with which it protrudes into the at least one suction path, and is in particular as a Tube (tube) formed and has in particular an orifice which is oriented obliquely to a main flow direction in the at least suction path.
  • the at least one orifice opening is oriented at an acute angle to the main flow direction in such a way that it "recedes", i.e. the distance between the orifice opening and the main flow direction decreases relative to the main flow direction.
  • the blocking element is designed as a tube or tube, for example made of a rubber material. The blocking element has a projection beyond the area protruding into the at least one suction path, which reduces the risk of droplets penetrating.
  • At least one discharge channel for liquid opens into the at least one suction path, which in particular leads from a junction area of the cooling air guiding device into the at least one suction path to a collecting device for liquid. Liquid which would otherwise accumulate in this area of the suction path (in particular due to at least one rib and/or a blocking element which are at least partially positioned in this area) can drain off via the at least one drainage channel.
  • the collection device is then, for example, a tank device for dirty liquid or a separator.
  • the at least one discharge channel prevents liquid from accumulating in the relevant area, which in turn could then get into the cooling air guiding device.
  • the at least one fluid path of the cooling air guiding device which opens into at least one suction path of the process air guiding device, is arranged downstream of the drive motor with regard to a cooling air flow.
  • exhaust cooling air from the drive motor ie cooling air which has flowed through the drive motor or has flowed past it and has been heated, can be discharged in an optimized manner.
  • the at least one suction path of the process air guiding device is in which the at least one fluid path of the cooling air guiding device opens, with respect to a suction air flow upstream of the blower and in particular upstream of a separator or downstream of the separator.
  • a suction flow of the fan can be used to provide a cooling air suction flow, which drives cooling air through the cooling air guiding device. If a separator is installed downstream, the flow of cooling air does not have to flow through the separator.
  • the suction unit device advantageously has a blower motor for the blower, which is arranged on the housing. This drives one or more turbine wheels of the fan in order to generate a suction flow, through which an area on the at least one cleaning roller can be sucked off. Furthermore, a negative pressure can be applied to the cooling air guiding device.
  • the drive motor is positioned on the cleaning head or is positioned at a transition area from the cleaning head to the housing. As a result, it can be positioned at a relatively low point on the surface cleaning machine in relation to a normal mode of cleaning operation. This results in a simple mode of operation for an operator.
  • a drive axis of the drive motor and a rotation axis of the at least one cleaning roller are oriented transversely and, in particular, perpendicularly to one another. This makes it possible, for example, to mount and drive the at least one cleaning roller centrally and also to achieve freedom of bearing at the edge regions of the at least one cleaning roller. As a result, a cleaning effect can also be achieved at the edge areas of the at least one cleaning roller.
  • a gear mechanism is provided for torque transmission from the drive motor to the at least one cleaning roller.
  • a speed reduction can be achieved, for example, by means of the transmission device.
  • an angle change with regard to the torque guidance can be achieved.
  • a torque can be transmitted to the cleaning roller at an optimized point.
  • the cleaning head is seated on the device body via a joint so that it can be pivoted about a pivot axis. This results in improved cleaning options, especially in corners and edge areas.
  • pivot axis is oriented transversely to a longitudinal axis of the device body and in particular is oriented at an acute angle to the longitudinal axis and/or that a drive axis of the drive motor is at least approximately parallel or coaxial to the pivot axis. This results in extended cleaning options, especially in corners and edge areas.
  • a moistening device for moistening the at least one cleaning roller with cleaning liquid.
  • the at least one cleaning roller can be moistened directly or indirectly by the moistening device.
  • direct moistening cleaning liquid is applied directly to the at least one cleaning roller.
  • indirect moistening cleaning liquid is applied to the surface to be cleaned.
  • the at least one cleaning roller then absorbs cleaning fluid from there. Dirt on the surface to be cleaned can be loosened with cleaning liquid and thus better absorbed.
  • a tank device for cleaning liquid is arranged on the device body and/or a receiving device is arranged on the device body for dirt and/or a tank device for dirty liquid is arranged. This results in optimized cleaning options with a compact design of the surface cleaning machine.
  • the surface cleaning machine is supported on a surface to be cleaned only via the at least one cleaning roller.
  • the surface cleaning machine can be implemented in a compact manner.
  • user-friendly cleanability can be achieved. For example, an operator then only has to additionally support the surface cleaning machine during a cleaning operation at one point at a distance from the at least one cleaning roller (such as a handle).
  • an air inlet and/or an air outlet (a cooling air inlet, a process air inlet, a cooling air outlet, a process air outlet) has one or more slots or is formed by one or more slots is.
  • Such an inlet or outlet can be implemented in a simple manner. It has one or more openings, one opening being formed by a slit.
  • FIG. 1 An embodiment of a surface cleaning machine 10 according to the invention ( Figures 1 to 7 ) is designed as a floor cleaning machine for hard floors.
  • the surface cleaning machine 10 comprises a device body 12 and a cleaning head 14.
  • the cleaning head 14 is arranged on the device body 12.
  • the surface cleaning machine 10 is supported on the surface 16 to be cleaned via a cleaning roller 18 .
  • a cleaning roller 18 is provided.
  • the device body 12 has a longitudinal axis 20 ( figures 2 , 3 ) on.
  • the surface cleaning machine 10 is kept stealing.
  • a rod 22 is seated on the device body 12. This rod 22 extends in the longitudinal axis 20.
  • a handle 24 and in particular a loop handle is arranged on an upper region of the rod 22. An operator can hold the surface cleaning machine 10 on this handle with one hand and guide it over the surface 16 to be cleaned.
  • One or more operating elements are arranged on the handle 24 .
  • a switch 26 is arranged on the handle 24 .
  • the surface cleaning machine 10 can be switched on or off for a cleaning operation via the switch 26 .
  • control of the surface cleaning machine 10 is such that by actuating the switch 26, all components necessary for the functioning (generation of a suction flow by a suction unit device, rotation of the cleaning roller 18, moistening of the cleaning roller 18 directly or indirectly) are actuated and accordingly a Turning off at switch 26 causes synchronous turning off of the actuation of these components.
  • the rod can be vertically displaceable along the longitudinal axis 20 or be rigid or rigidly arranged on the device body 12 .
  • the device body 12 includes a housing 28 in which components of the surface cleaning machine are protected.
  • a hook device 30 is arranged on the rod 22 between the housing 28 and the handle 24, on which hook device 30 a mains cable can be fixed by wrapping it around the rod 22.
  • the cleaning head 14 with the cleaning roller 18 is arranged outside of the housing 28 .
  • the surface cleaning machine 10 comprises a suction unit device designated as a whole by 32 .
  • This suction unit device 32 is used to generate a suction flow in order to be able to carry out suction on the cleaning roller 18 .
  • the suction unit device 32 includes a fan (suction fan) 34 which is arranged in the housing 28 .
  • the fan 34 in turn is driven by a fan motor 36 .
  • the fan motor 36 is arranged in the housing 28 . He is in particular an electric motor.
  • a separator 38 is assigned to the suction unit device 32 . This is also positioned in the housing 28 . The separator separates solid from liquid components in a suction flow.
  • a tank device 40 for dirty liquid is assigned to the separator 38 . This sits detachably on the housing 28.
  • a tank device 42 for cleaning liquid is also seated detachably on the housing 28 .
  • the cleaning liquid is in particular water or a mixture of water and cleaning agent. (In figure 4 a partial view is shown with the housing 28 open and the tank device 42 removed.)
  • the suction unit device 32 acts fluidly on (at least) one suction channel 44 ( figure 7 ) connected, which is guided from the blower 34 on the device body 12 through the housing 28 to the cleaning head 14 .
  • the suction channel 44 has a first region 46 which is positioned on the housing 28 .
  • a branch (not visible in the drawings) is seated in the housing 28 at the first area 46 , which branches off to a second area 50 and a third area 52 of the suction channel 44 .
  • the suction channel 44 is divided into two sub-channels via the junction and the second area 50 and the third area 52 .
  • the second area 50 and the third area 52 are each led to the cleaning head 14 .
  • the second area 50 and the third area 52 are located at least partially outside of the housing 28.
  • the branch it is also possible for the branch to be located outside of the housing 28 .
  • the second area 50 and the third area 52 in particular are located completely outside of the housing 28.
  • At least one suction mouth 54 is assigned to the cleaning head 14 facing the cleaning roller 18 .
  • at least one suction opening is assigned to the second area 50 and the third area 52 in each case.
  • a trimming 56 is arranged on the cleaning roller 18 . This is fixed in particular on a sleeve 58 which has a cylindrical shape.
  • the at least one suction port includes a first port wall and a second spaced port wall.
  • the respective suction mouth 54 is formed between the first mouth wall and the second mouth wall.
  • the first mouth wall lies above the second mouth wall when the cleaning roller 18 is placed on the surface 16 to be cleaned.
  • the first mouth wall and/or the second mouth wall are in contact with the trimming 56 of the cleaning roller 18 or protrude into the trimming 56 .
  • a corresponding muzzle training is in the WO 2015/086083 A1 described. This document is expressly referred to in its entirety.
  • the second area 50 and the third area 52 can be assigned their own suction port 54 , or a common suction port for the second area 50 and the third area 52 of the suction channel 44 can be provided.
  • This one suction opening 54 then has two suction points via the second area 50 and the third area 52 .
  • the suction channel routing from the suction unit device 32 to the cleaning head 14 can also be configured without branches and can include several (in particular two) suction channels, which are then routed from the housing 28 to the cleaning head 14 .
  • the cleaning head 14 is held on the device body 12 outside of the housing 28 via a joint 62 so as to be pivotable about a pivot axis 64 ( figure 2 ).
  • the pivot axis 64 is transverse to the longitudinal axis 20 of the device body 12. In particular, it is at an acute angle 66 ( figure 2 ).
  • the acute angle 66 is in particular in the range between 15° and 35°.
  • the acute angle 66 is about 25°.
  • the pivot axis 64 is transverse and in particular perpendicular to a rotation axis 68 of the cleaning roller 18.
  • the cleaning roller 18 has a longitudinal axis 70 .
  • the longitudinal axis 70 is in particular coaxial to the axis of rotation 68.
  • the swivel joint includes an (inner) sleeve 72 ( figures 6 and 7 ), which is arranged according to the orientation of the pivot axis 64 at the acute angle 66 to the longitudinal axis 20 on the device body 12.
  • This inner sleeve 72 is in particular rigidly fixed to the device body 12 .
  • the cleaning head 14 has an outer sleeve 74 which is mounted on the inner sleeve 72 .
  • a corresponding locking device ensures that the outer sleeve 74 cannot be displaced in relation to the inner sleeve 72 in the direction of the pivot axis 64 .
  • the inner sleeve 72 has a cylindrical outer contour.
  • the outer sleeve 74 has a cylindrical inner contour.
  • the joint 62 is designed as a sliding joint, with the outer sleeve 74 being rotatably mounted on the inner sleeve 72 .
  • pivotability through a full 360° angle can be provided.
  • the pivotability is limited to a range of ⁇ 45° or ⁇ 90°, for example.
  • a fluid line which forms the second area 50 and the third area 52 , is designed to be correspondingly elastic, and in particular designed as a hose, in order to enable the cleaning head 14 to be pivoted at the joint 62 .
  • a drive device 76 with a drive motor 78 is provided for driving the cleaning roller 18 in rotation.
  • the drive motor 78 is in particular an electric motor.
  • the drive motor 78 has a motor housing 79 .
  • the motor housing 79 are the corresponding components of the drive motor (in particular Rotor and stator) arranged.
  • Motor housing 79 is positioned within inner sleeve 72 .
  • the drive motor 78 has a motor shaft 80 .
  • the motor shaft 80 has a drive axis 82.
  • the drive axis 82 is parallel and in particular coaxial with the pivot axis 64.
  • the drive motor 78 with its motor housing 79 is seated firmly in the inner sleeve 72 and is thereby fixed to the device body 12 . It is placed at a transition from the device body 12 to the cleaning head 14; it is positioned at the hinge 62 . It is accommodated in a space-saving manner and is therefore also located on the cleaning head 14. In relation to a center of gravity of the surface cleaning machine 10, it is close to the cleaning roller 18.
  • the drive motor 78 is supplied with electrical energy via mains power, for example.
  • the drive axis 82 of the drive motor 78 and the axis of rotation 68 of the cleaning roller 18 are oriented transversely to one another and, in particular, perpendicularly to one another.
  • the drive device 76 includes a transmission device 84.
  • the transmission device 84 has a speed reducer 86 .
  • the speed reducer 86 is used to reduce a speed compared to the speed of the motor shaft 80.
  • the drive motor 78 is, for example, a standard electric motor which, for example, has an (initial) speed of the order of 7000 revolutions per minute.
  • the speed reducer 86 ensures that the speed is reduced to, for example, approximately 400 revolutions per minute.
  • the speed reducer 86 is in particular arranged directly on the drive motor 78 , that is to say arranged next to it in the direction of the cleaning roller 18 . It can still be arranged in the inner sleeve 72 or outside of it.
  • the speed reducer 86 is designed as a planetary gear.
  • the transmission device 84 of the drive device 76 also has an angular gear 88 . This ensures a torque deflection in order to cause the cleaning roller 18 to be driven with the axis of rotation 68 transverse to the drive axis 82 of the drive motor 78 .
  • the bevel gear 88 is connected downstream of the speed reducer 86 in particular.
  • bevel gear 88 includes one or more gears non-rotatably coupled to a corresponding shaft of speed reducer 86 . These act on a bevel gear for angle conversion.
  • the cleaning head 14 has a first end face 90 and an opposite second end face 92 (cf figure 1 ).
  • a housing 94 of a cleaning roller holder 96 extends between the first end face 90 and the second end face 92.
  • This housing 94 partially encloses a cleaning roller 18 held on it in the form of a half shell, with an encircling being such that the cleaning roller 18 has a significant A portion of their stocking 56 protrudes for a cleaning process and according to the stocking 56 can contact the surface 16 to be cleaned.
  • a sweeping element is arranged on the housing 94 of the cleaning roller holder 96, which sweeping element is used to sweep in coarse dirt to be entrained by the cleaning roller.
  • a drive element 102 is arranged in a middle region 100 of the cleaning roller holder 96, which lies centrally between the first end face 90 and the second end face 92.
  • This drive element 102 is in particular connected to a shaft 104 of the cleaning roller 18 or is this shaft 104 itself.
  • the drive element 102 is connected in a torque-effective manner to the transmission device 84 .
  • the drive member 102 is coupled to the angular gear 88 via a belt 106 .
  • the drive element 102 is at a distance from the bevel gear 88.
  • the belt 106 bridges this distance and drives the drive element and thus causes the cleaning roller 18 to rotate about the axis of rotation 68.
  • the cleaning roller is formed in two parts with a first part and a second part.
  • the first part and the second part are each seated on the shaft 104, being spaced apart from one another in the middle region 100.
  • a gap 108 is formed on the cleaning roller 18 .
  • This gap 108 is relatively narrow and has a much smaller width than a length of the cleaning roller 18 in the longitudinal axis 20.
  • the belt 106 is guided in the gap 108.
  • the belt 106 is set back with respect to an outside of the cleaning roller 18 and also with respect to a position in which the bristles 56 are compressed due to the cleaning roller 18 being placed on the surface 16 to be cleaned.
  • the surface cleaning machine 10 comprises a moistening device 110 for moistening the cleaning roller 18.
  • Cleaning liquid can be applied directly or indirectly to the cleaning roller 18 via the moistening device 110.
  • cleaning liquid from the tank device 42 is applied directly to the cleaning roller 18 (to its trimming 56).
  • cleaning liquid is applied to the surface 16 to be cleaned. From the one to be cleaned The trimming 56 of the cleaning roller 18 then absorbs cleaning liquid on surface 16 .
  • the moistening device comprises at least one pressure-controlled switch which, in an open position, opens a fluid path for cleaning liquid to the at least one cleaning roller and, in a closed position, blocks the fluid path, wherein the at least one pressure-controlled switch is pressure-effectively coupled to the suction channel 44 and in a through a suction flow in the at least one suction channel caused vacuum application of the at least one pressure-controlled switch goes into the open position and / or holds the open position.
  • the drive motor 78 is air-cooled.
  • a cooling air guiding device designated as a whole with 112 is provided for guiding the cooling air ( Figures 5 to 11 ).
  • the cooling air guiding device 112 has a cooling air inlet 114 . At this air is coupled into the surface cleaning machine for cooling the drive motor 78 .
  • the cooling air inlet 114 is formed by one or more openings, which are designed as slots, for example.
  • the cooling air inlet 114 is formed at a transition area of the housing 28 to the cleaning head 14 and in particular to the outer sleeve 74 .
  • the cooling air inlet 114 is thus delimited on one side by the housing 28 and on the other side by the outer sleeve 74.
  • That area of the housing 28 which delimits the cooling air inlet 114 or on which the cooling air inlet is formed is in particular an area 116 which holds the tank device 42 for cleaning liquid.
  • the cooling air inlet 114 is arranged in particular at a transition area of the housing 28 to the cleaning head 14 .
  • the cooling air guiding device 112 has one or more fluid paths 118 through the motor housing 79 via corresponding one or more channels. Similarly, an inlet 120 on motor housing 79 is fluidly coupled to cooling air inlet 114 .
  • the cooling air guiding device 112 has a first duct 122 or a plurality of first ducts 122 which are/are connected directly to the cooling air inlet 114 and run in the direction of the housing 28 .
  • the channel(s) 122 is or are limited by the inner sleeve 72 on one side.
  • One or more second channels 124 are also provided, which run at least approximately parallel to the first channel or channels 122 .
  • a deflection area 126 is arranged between the first channel or channels 122 and the second channel or channels 124 .
  • the one or more second channels 124 lie between the inner sleeve 72 and the motor housing 79.
  • the one or more inlets 120 into the motor housing 79 lie at the one or more second channels 124.
  • At least one first fluid path 128a is provided through the first channel or channels 122 .
  • At least one second fluid path 128b is provided through the second channel or channels 124 .
  • a main flow in the second fluid path 128b is at least approximately indirectly parallel to a main flow in the first fluid path 128a.
  • cooling air is coupled into the first fluid path 128a via the cooling air inlet 114 .
  • a diversion takes place from the first fluid path 128a in the deflection area 126 into the second fluid path 128b. Cooling air is then coupled from there into the motor housing 79 via the inlet 120 .
  • the cooling air guiding device 112 also has at least one duct 130 which is guided on the exhaust air side from the drive motor 78 to the device body 12 and is guided through the housing 28 .
  • the (at least one) channel 130 is in particular oriented parallel to the longitudinal axis 20 .
  • the device body 12 in the housing 28 behind the tank device 42 for cleaning liquid (cf figure 4 ).
  • the tank device 42 for cleaning liquid is positioned on the device body 12, this at least one channel 130 is covered towards a front side of the surface cleaning machine 10 (cf figure 7 ).
  • a collector 132 for cooling air which has flowed through the drive motor 78 is arranged on the drive motor 78 and in particular on the motor housing 79 .
  • the channel 130 is then connected to the collector 132 .
  • the collector 132 is, for example, funnel-shaped towards a connection 134 for the channel 130 .
  • the channel 130 of the cooling air guiding device 112 is fluidically connected to a cooling air outlet 136 .
  • the cooling air outlet 136 has one or more openings, which are designed as slots, for example. "Used" cooling air, which was heated by flowing past the motor 78, is discharged to the environment via the cooling air outlet.
  • the duct 130 provides a kind of suction snorkel through which the heated cooling air is discharged to the environment at a relatively large distance from the drive motor 78 .
  • the motor housing 79 extends axially (parallel to the drive axis 82) between a first end 142a and a second end 142b.
  • the cooling air inlet 114 is at the level of the drive motor 78, i.e. it is in a transverse plane to the drive axle 82, with this transverse plane between the first end 142a and the second end 142b.
  • the cooling air outlet 136 is at a distance from the cooling air inlet 114, the distance between the cooling air outlet 136 and the surface 16 to be cleaned is a multiple of the distance from the cooling air inlet 114 to the surface 16 to be cleaned.
  • the distance between the cooling air outlet 136 and the axis of rotation 68, based on the longitudinal axis 20, is at least three times as much the distance from the cooling air inlet 114 to the axis of rotation 68 in relation to the longitudinal axis 20.
  • the cooling air routing device 112 is coupled to a process air routing device 144 of the suction unit device 32 .
  • the process air routing device 144 has a process air inlet 146 . This process air inlet 146 is formed via the suction port 54 or the suction ports 54 .
  • the process air guiding device 144 also includes the suction channel(s) which lead from the suction port(s) 54 to the blower 34 .
  • the process air routing device 144 includes the suction channel 44 with the areas 46, 50 and 52.
  • the process air guiding device also has a process air outlet 148 which is arranged in particular on the housing 28 in the area of the fan 34 .
  • the process air outlet 148 has one or more openings, which are formed in particular by slits. "Used” process air is released into the environment via it.
  • the process air guiding device 144 has (at least) one suction path 150 in which negative pressure conditions prevail during a cleaning operation.
  • the at least one suction path 150 is formed in particular in the first area 46 .
  • cooling air guiding device 112 is coupled to the process air guiding device 144 .
  • the cooling air routing device 112 and the process air routing device 144 have one or more common fluid paths.
  • a cooling air outlet is then formed by the process air outlet 148 .
  • a separate cooling air outlet no longer needs to be provided.
  • the at least one channel 130 opens into the suction channel 44 and thereby into the suction path 150.
  • a corresponding mouth area 152 is located in particular at the height of the suction unit device 32.
  • this outlet area 152 which is a coupling area of the cooling air guiding device 112 into the process air guiding device 144, is located downstream of the separator 38. As a result, cooling air, which is formed by a pure air flow, does not have to pass through the separator 38.
  • the corresponding coupling point (the opening region 152 ) to be upstream of the separator 38 .
  • At least one rib 170 is positioned in the suction path 150 associated with the mouth region 152 .
  • the rib 170 is aligned, for example, parallel to a main flow direction of the suction flow in the suction path 150 , the main flow direction being in particular essentially parallel to the longitudinal axis 20 .
  • the rib 170 is arranged and configured in such a way that the penetration of liquid droplets from the suction path 150 into the cooling air guiding device 112 is influenced in such a way that fewer droplets can penetrate into the cooling air guiding device 112 at the mouth area 152 .
  • the suction flow in the suction path 150 may contain liquid droplets.
  • the goal is to prevent the penetration of liquid droplets from the suction flow into the cooling air guiding device 112 at the mouth area 152 as far as possible.
  • the rib 170 provides a type of screen that shields an orifice 174 of the orifice portion 152 to some extent.
  • the rib 170 can advantageously also be arranged and designed in such a way that an air flow from the cooling air guiding device 112 is guided through it and, in particular, deflected when it flows into the suction path 150 .
  • a blocking element 176 is arranged on the mouth area 152 .
  • the blocking element 176 is connected to the channel 130 in the mouth area 152 and has an area 178 with which it protrudes into the suction path 150 .
  • This area 178 forms an overhang of the cooling air guiding device 112 in the suction path 150.
  • the blocking member 176 is, for example, a tube (tube). It is preferably made of a rubber material.
  • the opening 174 of the cooling air guiding device 112 lies in the area 178 of the blocking element 176. The opening 174 is thus at a distance from a wall 180 at which the channel 130 ends. It protrudes into the suction path 150.
  • the rib 170 is associated with the mouth 174 . It is arranged and designed in such a way that the main flow of the suction flow in the main flow direction 172 does not act directly on the orifice 174 .
  • a mouth opening 182 of the mouth 174 is oriented obliquely to the main flow direction 172; it is oriented at an acute angle 184 .
  • the orientation is such that the distance from the main flow direction 172 (or the longitudinal axis 20) is in the main flow direction 172 enlarged.
  • the orifice opening 182 points away from the main flow to a certain extent in the main flow direction 172 .
  • the blocking element 176 also ensures that the risk of drops of liquid penetrating into the cooling air guiding device 112 (into the duct 130) is reduced.
  • a discharge channel 188 for liquid opens out in an area 186 (aperture area) of the suction path 150, which is located at the outlet area 152.
  • the discharge channel 188 leads away from the junction area 186 downwards in relation to the direction of gravity when the surface cleaning machine 10 is set up over the cleaning roller 18 on the surface 16 to be cleaned in a normal operating mode. Liquid that would otherwise collect in the area 186 can drain through the drain channel 188 . This also reduces the risk of liquid penetrating from the suction path 150 into the cooling air guiding device 112 .
  • the drain channel 188 leads to a collection device for liquid.
  • the collecting device for liquid can be a collector which is correspondingly fluidly connected to the tank device 40 for dirty liquid, or the tank device 40 itself can represent such a collecting device. It is also possible for the discharge channel 188 to lead to the separator 38 or to a fluid path of the suction unit device 32, which is connected upstream of the suction path 150, with a separator stage being connected in between accordingly.
  • the (at least one) rib 170, the blocking element 176 and the drain channel 188 help to greatly reduce the risk of liquid droplets from the suction flow in the suction path 150 penetrating into the cooling air guiding device 112 at the mouth region 152.
  • the process air guiding device 144 and the cooling air guiding device 112 have the same fluid paths.
  • the fan 34 forms a drive for the flow of cooling air through the cooling air guiding device 112. Cooling air is sucked through the cooling air guiding device 112 through the opening area 152, which opens into the suction path 150, driven by the fan 34.
  • the drive motor 78 in particular has a fan for cooling air in order to drive cooling air through the cooling air guiding device 112 .
  • FIG 8 an arrangement is shown schematically, in which the cooling air guiding device 112, which is assigned to the drive motor 78, and the process air guiding device 144, which is assigned to the suction unit device 32, are completely separate from one another.
  • Cooling air is coupled into the surface cleaning machine 10 via the cooling air inlet 114 and is supplied to the drive motor 78 for its air cooling.
  • Discharged cooling air is coupled into the process air routing device 144 and coupled out together with process air at the process air outlet 148 .
  • the corresponding air routing system with the cooling air routing device 112 and the process air routing device 114 only has one inlet 154 and one outlet 156 . Air is coupled in via the inlet and is initially used as process air. This air is then fed to the drive motor 78 as cooling air and released back into the environment at the outlet 156 .
  • Air is first coupled in, which is then fed to the drive motor 78 as cooling air. Air discharged accordingly by the drive motor 78 is then used as process air for the suction unit device 32 .
  • FIG 11 the exemplary embodiment with the cooling air outlet 136 is shown schematically.
  • the channel 130 allows the outlet 136 to be positioned at a large distance from the cooling air inlet 114 in the manner of a snorkel.
  • a type of bypass cooling of the drive motor 78 can be achieved by the solution according to the invention.
  • cooling air from the drive motor 78 is coupled into the process air guiding device 144 .
  • the blower 34 of the suction unit device 32 ensures that cooling air is sucked in from the cooling air duct device 112. Exhaust air from the drive motor 78 is coupled into the process air duct and released to the environment together with process air exhaust air.
  • the solution according to the invention allows the number of openings that are required for cooling air to be kept small in the immediate vicinity of the cleaning head 14 . This achieves a high level of splash water protection.
  • the fan 34 can provide a suction drive with its fan motor 36, via which the drive motor 78 can be actively cooled by means of cooling air.
  • the corresponding process air outlet 148 is also a cooling air outlet, which can be positioned at a great distance from the cleaning roller 18 on the surface cleaning machine (related to a cleaning operation). This makes it possible to achieve high splash water resistance. (The outlet area of the process air guiding device 144 is designed to be water-resistant anyway.)
  • the solution according to the invention allows a cooling air outlet to be positioned far away from the cleaning roller 18 and, during normal cleaning operation, far away from the surface 16 to be cleaned.
  • the number of outlets can also be reduced if a cooling air outlet coincides with a process air outlet.
  • the surface cleaning machine 10 works as follows: For a cleaning operation, the surface cleaning machine 10, as in figure 1 shown supported on the cleaning roller 18 on the surface 16 to be cleaned. An operator stands on the surface 16 to be cleaned behind the surface cleaning machine 10 and holds it, for example, with one hand on the handle 24.
  • the operator can perform a forward thrust in the forward direction 158 .
  • the suction fan 34 During a cleaning operation, the suction fan 34 generates a suction flow, which causes a negative pressure in the suction channel 44 and thus in the areas 46, 50 and 52 compared to the outer space 160.
  • this suction flow also causes cooling air to be sucked in at the cooling air inlet 114 with a flow through the cooling air guiding device 112, which opens into the suction path 150 in the mouth region 152.
  • the drive motor 78 generates a torque which is transmitted to the cleaning roller 18 via the gear mechanism 84 . This is driven in rotation. In particular, it is turned counterclockwise (in figure 1 indicated by reference numeral 162) driven in rotation.
  • a peripheral speed of the cleaning roller can be set by an operator, or that this speed is fixed.
  • the cleaning roller 18 has the facing 56 which can be compressed.
  • the trimming 56 is made in particular from a textile material.
  • the cleaning roller 18 is, for example, directly moistened with cleaning liquid from the tank device 42 by the moistening device 110 .
  • this application of liquid is pump-free and, in particular, solenoid valve-free.
  • an angular position 164 (cf figure 1 ) make an appropriate adjustment, for example to enable cleaning under furniture or the like.
  • Dirt on the surface to be cleaned is softened by cleaning liquid and can then be taken along via the cleaning roller 18 .
  • Suction is carried out via the process air inlet 146 (the suction opening or suction openings 54) by means of the suction flow produced. Separation into solid dirt particles and liquid takes place at the separator 38 . Dirty liquid is collected in the tank device 40 .
  • the joint 62 can also be used, for example, to carry out corner cleaning or edge cleaning by machine.
  • the device body 12 can be pivoted relative to the cleaning head 14 about the pivot axis 64 in the pivoting range.
  • the relatively heavy drive motor 78 is arranged far below in the vicinity of the cleaning roller 18 and is positioned at least partially on the joint 62 to save space.
  • a cooling air outlet can in turn be positioned at a large distance from the cleaning roller 18 .
  • Coarse dirt can be swept by a sweeping element, which can then be taken along by the cleaning roller 18 .

Landscapes

  • Cleaning In General (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (14)

  1. Machine de nettoyage de surfaces, comprenant un corps d'appareil (12) présentant un logement (28), un dispositif de groupe d'aspiration (32) présentant une soufflante (34), qui est agencée dans le logement (28), une tête de nettoyage (14), qui est agencée sur le corps d'appareil (12) à l'extérieur du logement (28), comprend au moins un rouleau de nettoyage (18) et est relié de manière fluidique au dispositif de groupe d'aspiration (32), un moteur d'entraînement (78) refroidi par air pour un entraînement en rotation du au moins un rouleau de nettoyage (18), un dispositif de guidage d'air de traitement (144) pour l'air de traitement du dispositif de groupe d'aspiration (32), dans laquelle le moteur d'entraînement (78) est agencé à l'extérieur du logement (28) du corps d'appareil (12) et un dispositif de guidage d'air de refroidissement (112) pour de l'air de refroidissement du moteur d'entraînement (78), qui présente au moins un trajet de fluide qui est agencé au niveau du ou dans le logement (28), dans lequel le dispositif de guidage d'air de refroidissement (112) est couplé au dispositif de guidage d'air de traitement (144) et dans lequel le dispositif de guidage d'air de refroidissement (112) présentant une entrée d'air de refroidissement (114) et une sortie d'air de refroidissement (136), et le dispositif de guidage d'air de traitement (144) présentant une entrée d'air de traitement (146) et une sortie d'air de traitement (148), caractérisée par un dispositif d'humidification (110) pour humidifier le au moins un rouleau de nettoyage (18) avec du liquide de nettoyage, et caractérisée en ce que la sortie d'air de refroidissement (136) et la sortie d'air de traitement (148) coïncident, en ce que l'entrée d'air de traitement (146) est formée par une ou plusieurs embouchures d'aspiration (54) au niveau de la tête de nettoyage (14), et en ce que l'entrée d'air de refroidissement (114) est agencée à distance de l'entrée d'air de traitement (146) et est positionnée au-dessus de l'entrée d'air de traitement (146) lors d'une opération de nettoyage de la machine de nettoyage de surfaces par rapport à la direction de gravité (g).
  2. Machine de nettoyage de surfaces selon la revendication 1, caractérisée en ce que le dispositif de guidage d'air de traitement (144) et le dispositif de guidage d'air de refroidissement (112) présentent au moins un trajet de fluide commun.
  3. Machine de nettoyage de surfaces selon la revendication 1 ou 2, caractérisée en ce que la sortie d'air de traitement (148) forme la sortie d'air de refroidissement (136) et/ou l'entrée d'air de traitement forme l'entrée d'air de refroidissement, et en particulier
    caractérisée par une entrée d'air de refroidissement (114), une entrée d'air de traitement (146) et une sortie commune (148) pour l'air de refroidissement et l'air de traitement, et en particulier
    caractérisée en ce que l'entrée d'air de refroidissement (114) est agencée au niveau de la tête de nettoyage (14) ou au niveau d'une zone de transition entre la tête de nettoyage (14) et le logement (28) du corps d'appareil (12), et en particulier
    caractérisée en ce que la sortie d'air de traitement (148) est agencée au niveau du corps d'appareil (12) et est agencée en particulier au niveau du logement (28) du corps d'appareil (12), et est agencée en particulier à distance de la tête de nettoyage (14), et est agencée en particulier à distance du moteur d'entraînement (78).
  4. Machine de nettoyage de surface selon l'une quelconque des revendications précédentes, caractérisée en ce que le moteur d'entraînement (78) est agencé dans un carter de moteur (79), et en particulier,
    caractérisée en ce que le dispositif de guidage d'air de refroidissement (112) présente au moins un trajet de fluide à travers le carter de moteur (79), et en particulier
    caractérisée en ce que le carter de moteur (79) est agencé dans un manchon (72), et en particulier en ce que le dispositif de guidage d'air de refroidissement (112) présente au moins un trajet de fluide qui se situe le long du manchon (72) et/ou entre le manchon (72) et le ou un carter de moteur (79), et en particulier en ce que le dispositif de guidage d'air de refroidissement (112) présente un premier trajet de fluide (128a) qui se situe le long du manchon (72) et au niveau d'un côté extérieur du manchon (72), et un second trajet de fluide (128b) qui s'étend le long du manchon (72) sur un côté intérieur du manchon tourné vers le carter de moteur (79), et en particulier
    caractérisée en ce que le carter de moteur (79) s'étend le long d'une direction axiale entre une première extrémité (142a) et une seconde extrémité (142b), et une entrée d'air de refroidissement (114) du dispositif de guidage d'air de refroidissement (112) est positionnée au niveau de la machine de nettoyage de surfaces par rapport à la direction axiale entre la première extrémité (142a) et la seconde extrémité (142b).
  5. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce que la tête de nettoyage (14) peut pivoter par rapport au moteur d'entraînement (78) et peut en particulier pivoter par rapport à un manchon (72), le manchon (72) formant en particulier un élément de palier de pivotement, et en particulier
    caractérisée en ce que le manchon (72) est relié solidaire en rotation au corps d'appareil (12).
  6. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce que le dispositif de guidage d'air de refroidissement (112) est couplé à une zone d'aspiration (150) du dispositif de guidage d'air de traitement (144), et en particulier
    caractérisée en ce qu'au moins un trajet de fluide du dispositif de guidage d'air de refroidissement (112) débouche dans au moins un trajet d'aspiration (150) du dispositif de guidage d'air de traitement (144), et en particulier en ce que le au moins un trajet d'aspiration (150) présente au moins une nervure (170) qui est associée à une embouchure (174) du au moins un trajet de fluide du dispositif de guidage d'air de refroidissement (112) dans le au moins un trajet d'aspiration (150), et en particulier
    caractérisée en ce qu'au niveau d'une embouchure du dispositif de guidage d'air de refroidissement (112) dans le au moins un trajet d'aspiration (150) est agencé un élément de blocage (176) pour une pénétration de gouttes à partir du au moins un trajet d'aspiration (150) dans le dispositif de guidage d'air de refroidissement (112), et en particulier en ce que l'élément de blocage (176) présente une zone (178) avec laquelle il fait saillie dans le au moins un trajet d'aspiration (150) et est conçu en particulier sous la forme d'un tuyau, et présente en particulier une ouverture d'embouchure (182) qui est orientée en oblique par rapport à une direction d'écoulement principale (172) dans le au moins un trajet d'aspiration (150), et en particulier
    caractérisée en ce qu'au moins un canal d'évacuation (188) pour le liquide débouche dans le au moins un trajet d'aspiration (150), qui mène en particulier d'une zone d'entrée (186) du dispositif de guidage d'air de refroidissement (112) dans le au moins un trajet d'aspiration (150) à un dispositif de collecte de liquide, et en particulier
    caractérisée en ce que le au moins un trajet de fluide du dispositif de guidage d'air de refroidissement (112), qui débouche dans au moins un trajet d'aspiration (150) du dispositif de guidage d'air de traitement (144), est disposé en aval du moteur d'entraînement (78) par rapport à un écoulement d'air de refroidissement, et en particulier
    caractérisée en ce que le au moins un trajet d'aspiration (150) du dispositif de guidage d'air de traitement (144), dans lequel débouche le au moins un trajet de fluide du dispositif de guidage d'air de refroidissement (112), est monté en amont de la soufflante (34) par rapport à un écoulement d'air d'aspiration et est en particulier monté en amont d'un séparateur (38) ou en aval du séparateur (38).
  7. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce que le dispositif de groupe d'aspiration (32) présente un moteur de soufflante (36) pour la soufflante (34), qui est agencée dans le logement (28).
  8. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce que le moteur d'entraînement (78) est positionné au niveau de la tête de nettoyage (14) ou est positionné au niveau d'une zone de transition entre la tête de nettoyage (14) et le logement (28).
  9. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un axe d'entraînement (82) du moteur d'entraînement (78) et un axe de rotation (68) du au moins un rouleau de nettoyage (18) sont orientés transversalement et en particulier perpendiculairement l'un par rapport à l'autre.
  10. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un dispositif d'engrenage (84) est prévu pour une transmission de couple du moteur d'entraînement (78) au au moins un rouleau de nettoyage (18).
  11. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce que la tête de nettoyage (14) est montée sur le corps d'appareil (12) pouvant pivoter par l'intermédiaire d'une articulation (62) autour d'un axe de pivotement (64), et en particulier
    caractérisée en ce que l'axe de pivotement (64) est orienté transversalement par rapport à un axe longitudinal (20) du corps d'appareil et est orienté en particulier selon un angle aigu (66) par rapport à l'axe longitudinal (20) et/ou en ce qu'un axe d'entraînement (82) du moteur d'entraînement (78) est au moins approximativement parallèle ou coaxial à l'axe de pivotement (64).
  12. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un dispositif de réservoir (42) pour du liquide de nettoyage est agencé au niveau du corps d'appareil (12) et/ou en ce qu'un dispositif de réception pour la saleté et/ou un dispositif de réservoir (40) pour le liquide sale est/sont agencé(s) au niveau du corps d'appareil (12).
  13. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce que lors d'une opération de nettoyage, la machine de nettoyage de surfaces n'est supportée que par le au moins un rouleau de nettoyage (18) sur une surface à nettoyer (16).
  14. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une entrée (114 ; 146) pour de l'air et/ou une sortie (136 ; 148) pour de l'air présente une ou plusieurs fentes ou est formée par une ou plusieurs fentes.
EP15775749.3A 2015-10-12 2015-10-12 Machine de nettoyage de surfaces Active EP3361924B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/073529 WO2017063663A1 (fr) 2015-10-12 2015-10-12 Machine de nettoyage de surfaces

Publications (2)

Publication Number Publication Date
EP3361924A1 EP3361924A1 (fr) 2018-08-22
EP3361924B1 true EP3361924B1 (fr) 2023-08-09

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US (1) US10959590B2 (fr)
EP (1) EP3361924B1 (fr)
JP (1) JP2018529501A (fr)
CN (1) CN108135419A (fr)
WO (1) WO2017063663A1 (fr)

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PL3426122T3 (pl) 2016-03-09 2021-12-13 Alfred Kärcher SE & Co. KG Maszyna do czyszczenia powierzchni
WO2019029821A1 (fr) 2017-08-11 2019-02-14 Alfred Kärcher SE & Co. KG Nettoyeur de surfaces muni d'un système de couvercle pour réservoir à liquide souillé
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WO2017063663A1 (fr) 2017-04-20
JP2018529501A (ja) 2018-10-11
US10959590B2 (en) 2021-03-30
CN108135419A (zh) 2018-06-08
US20180228331A1 (en) 2018-08-16

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