Classifications

• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
  • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
  • A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles
• • 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
  • A47L9/32—Handles
  • A47L9/327—Handles for suction cleaners with hose between nozzle and casing

Definitions

• TITLE Cleaning device equipped with main wheels of the omnidirectional type
• the present invention relates to the field of floor cleaning devices comprising a main body having a fluid inlet serving to receive a flow of fluid, at least one means arranged in the main body serving to act on the flow of fluid received through the fluid inlet and wheels mounted rotatably on the main body and allowing the cleaning apparatus to be moved over the floor to be cleaned.
• the present invention relates more particularly to domestic vacuum cleaners of the sled type making it possible to suck up dust and small-grained waste present on a surface to be cleaned, which can for example be tiles, parquet, laminate, carpet or rug.
• vacuum cleaner or sled-type suction assembly By vacuum cleaner or sled-type suction assembly, reference is made to a vacuum cleaner or suction assembly that can move by rolling on the ground, for example using wheels or rollers when the vacuum cleaner is in position. of use.
• a suction nozzle is connected to the suction assembly via a suction tube comprising a rigid part and a flexible part.
• the user of a canister vacuum cleaner holds the suction nozzle via a handle provided on the rigid part of the suction tube or secured to the suction tube.
• a canister vacuum cleaner is generally pulled by the user via the handle and the flexible part of the suction tube, this mode of movement is at the origin of the name "canister vacuum cleaner".
• the term sled vacuum cleaner or sled suction assembly also covers vacuum cleaners with motorized wheels or rollers capable of following the movements of the suction nozzle, the handle or the user. State of the art
• Each of the main wheels described in the document JP3283503 is annular and rotates around a respective fixed wheel hub which is integral with the main body of the cleaning device.
• the two fixed wheel hubs extend more particularly from the main body and respectively beyond the two main wheels.
• the fixed wheel hubs constitute parts projecting from the main body of the cleaning device which are likely to oppose the advancement of the cleaning device, for example when one of the fixed wheel hubs strike an obstacle, such as a corner of the wall or a table leg, and therefore impair the maneuverability of the cleaning device.
• the present invention aims to remedy this drawback.
• the technical problem at the basis of the invention consists in particular in providing a floor cleaning device having increased maneuverability, and in particular making it possible to easily dodge obstacles that the cleaning device may encounter.
• the invention relates to a cleaning device for cleaning floors, comprising a main body comprising: a casing delimited at least partially by an exterior wall, a fluid inlet serving to receive a flow of fluid from the outside of the casing, at least one means, arranged in the casing, serving to act on the flow of fluid received at through the fluid inlet.
• the cleaning device further comprises a first fixed wheel hub and a second fixed wheel hub which are integral with the main body and which are arranged on either side of the main body, the main body and the first and second fixed wheel hubs defining a generally spherical shaped assembly; and a first main wheel and a second main wheel which are annular and which respectively rotate around the first and second fixed wheel hubs, the first and second fixed wheel hubs extending from the main body beyond the first and second respectively main wheels and the first and second main wheels being of the omnidirectional type, the first main wheel comprising a plurality of first rotating rollers distributed over the periphery of the first main wheel and forming a first tread of the first main wheel, and the second main wheel comprising a plurality of second rotating rollers distributed over the periphery of the second main wheel and forming a second tread of the second main wheel, the first rotating rollers of the first main wheel being able to rotate freely and having axes of rotation not parallel, preferably perpendicular, to the axis e of rotation
• main wheels of the omnidirectional type also known as holonomic wheels
• holonomic wheels allows the main body to move by rolling longitudinally, but also laterally, when a obstacle comes into contact with the cleaning device during a forward movement of the cleaning device.
• Such a lateral movement by rolling of the cleaning device allows the latter to better dodge the obstacle and therefore to give the cleaning device increased maneuverability.
• the cleaning device may also have one or more of the following characteristics, taken alone or in combination.
• the main body, the first and second annular wheels and the first and second fixed wheel hubs define the assembly of generally spherical shape.
• the first and second main wheels respectively have a first tread and a second tread, so that the cleaning device can rest and roll on the floor to be cleaned.
• the expression "tread” refers to a circular surface or to a set of surfaces forming a generally circular outer periphery of each of the first and second main wheels and which is made to roll on the ground to be cleaned during the movements of the cleaning device.
• the axes of rotation of the first and second rotating rollers are substantially tangent to the overall spherical shape or tangent to a theoretical sphere arranged radially inside the overall spherical shape.
• each of the first and second main wheels comprises a first wheel part and a second wheel part which are annular and coaxial and which are fixed to each other, for example by snap-fastening, the first and second rotating rollers being interposed respectively between the first and second respective wheel parts.
• the first and second wheel parts of each of the first and second main wheels respectively comprise first and second support members configured to hold in position the respective rotating rollers among the first and second rotating rollers.
• the first and second support members of each of the first and second main wheels are configured to guide in rotation the respective rotating rollers among the first and second rotating rollers.
• the first and second main wheels have axes of rotation which are inclined with respect to each other.
• the axes of rotation of the first and second main wheels converge towards the top of the main body.
• the first and second fixed wheel hubs respectively have a first outer surface and a second outer surface which are each in the shape of a spherical cap.
• the first and second spherical cap-shaped outer surfaces of the first and second stationary wheel hubs allow frontal obstacles contacting the cleaning apparatus to slide over one of the spherical caps of the first and second stationary wheel hubs.
• the cleaning device is then deviated from its trajectory, thus preventing the obstacle from colliding with the main wheel attached to the fixed wheel hub comprising said spherical cap.
• a spherical cap shape is also known as domed/domed.
• each fixed wheel hub associated with an annular main wheel of the omnidirectional type allows, when an obstacle encounters the spherical cap shape, a lateral movement by rolling of the cleaning device which is continuous and progressive as the forward movement of the cleaning device progresses, which ultimately allows the cleaning device to free itself more easily from the obstacle encountered.
• the spherical caps defining the first and second outer surfaces have centers which are substantially coincident.
• the centers of the spherical caps defining the first and second outer surfaces are substantially coincident with the center of the overall spherical shape.
• the spherical caps defining the first and second outer surfaces have substantially identical radii of curvature.
• the first main wheel has a first annular external surface which is flush with the first external surface of the first fixed wheel hub
• the second main wheel has a second annular external surface which is flush with the second outer surface of the second fixed wheel hub.
• each of the first and second annular external surfaces is a portion of annular spherical surface, the first and second annular external surfaces contributing to form, with the first and second external surfaces of the first and second fixed wheel hubs and the outer wall of the main body, the assembly of generally spherical shape.
• the first main wheel is guided in rotation around the first fixed wheel hub using at least three primary guide pads, and the second main wheel is guided in rotation around the second fixed wheel hub using at least three secondary guide pads.
• each of the primary guide pads is integral in rotation with the first fixed wheel hub and has a first guide groove
• the first main wheel comprising a first annular guide rib configured to slide in the first guide grooves
• each of the secondary guide pads is integral in rotation with the second fixed wheel hub and has a second guide groove
• the second main wheel comprising a second annular guide rib configured to slide in the second guide grooves.
• each of the primary and secondary guide pads comprises a chamfer for the assembly by irreversible interlocking of each of the first and second main wheels on the respective fixed wheel hub among the first and second fixed wheel hubs.
• each of the first and second fixed wheel hubs is hollow, the cleaning device comprising a fluid conduit or a subsystem which is at least partially arranged in at least one of the first and second fixed wheel hubs.
• the first fixed wheel hub comprises a first structural hub part and a first hub cover which is attached to the first structural hub part and which defines the first outer surface of the first fixed wheel hub
• the second fixed wheel hub comprises a second part structural hub and a second hub cover which is attached to the second structural hub part and which defines the second outer surface of the second fixed wheel hub
• the first and second main wheels have an outside diameter which is greater than 2/3 of the height of the main body measured from a horizontal surface on which the first and second main wheels are placed.
• the outer diameter advantageously corresponds to the diameter of the first and second treads.
• the first and second main wheels are side wheels of the cleaning device.
• the cleaning device comprises a wheel protection structure configured to protect the first and second main wheels, the wheel protection structure being arranged outside the housing and extending away from the outer wall, the wheel protection structure covering a portion of each of the first and second treads of the first and second main wheels.
• the wheel protection structure makes it possible to protect all or part of each of the first and second main wheels by interposing itself between one of the first and second wheels. main ones and any obstacle encountered by the cleaning device during its movements on the floor to be cleaned.
• the wheel protection structure forms a handle assembly which can be grasped by the user.
• the wheel protection structure makes it possible both to protect all or part of the first and second main wheels and to provide at least one gripping surface for the user to grasp.
• the cleaning device is a sled-type suction assembly, the main body comprising an aeraulic circuit which extends between the fluid inlet and a fluid outlet of the cleaning device, said at least one means serving to act on the flow comprising a waste separation device, such as a cyclonic separator or a filter arranged on the aunterlic circuit, and a motorized fan unit arranged on the ventilation circuit and comprising an electric motor and a fan coupled to the electric motor to generate an air flow in the ventilation circuit when the suction assembly is in operation.
• a waste separation device such as a cyclonic separator or a filter arranged on the a Vogellic circuit
• a motorized fan unit arranged on the ventilation circuit and comprising an electric motor and a fan coupled to the electric motor to generate an air flow in the ventilation circuit when the suction assembly is in operation.
• Figure 1 is a front three-quarter view of a cleaning apparatus according to the present invention.
• Figure 2 is a side view of the cleaning apparatus of Figure 1
• Figure 3 is a longitudinal sectional view of the cleaning apparatus of Figure 1
• Figure 4 is a front view of the cleaning apparatus of Figure 1;
• Figure 5 is a top view of the cleaning apparatus of Figure 1;
• Figure 6 is a rear view of the cleaning apparatus of Figure 1;
• FIG. 7a is a top view of the cleaning apparatus of FIG. 1 showing obstacle avoidance according to a first step
• FIG. 7b is a top view of the cleaning apparatus of FIG. 1 showing obstacle avoidance according to a second step;
• Figure 7c is a top view of the cleaning device of Figure 1 showing obstacle avoidance according to a third step
• Figure 7d is a top view of the cleaning device of Figure 1 showing obstacle avoidance according to a fourth step
• Figure 8 is a perspective view of a fixed wheel hub of the cleaning apparatus of Figure 1;
• Figure 9 is an exploded view of a bearing assembly comprising a stationary wheel hub and main wheel of the cleaning apparatus of Figure 1;
• Figure 10 is a partial perspective view, to an enlarged scale, of a main wheel of the cleaning apparatus of Figure 1.
• Figure 11 is a partial cross-sectional view of a main wheel and fixed wheel hub of the cleaning apparatus of Figure 1.
• Figures 1 to 11 show a cleaning device 1 for the floor cleaning.
• the cleaning device 1 shown in Figures 1 to 11 is more specifically a sled-type suction assembly.
• the cleaning device 1 comprises a main body 2 comprising:
• the fluid inlet 5 is advantageously arranged at one end of the main body 2 which corresponds to the front of the main body 2.
• the main body 2 further comprises an aeraulic circuit 7 which extends between the fluid inlet 5 and the fluid outlet 6.
• the fluid inlet 5 is also known as the connection end piece or the air inlet end piece and the fluid outlet 6 is also known as the exhaust outlet name and may comprise one or more orifices.
• the main body 2 generally comprises several means serving to act on the flow of fluid. These means comprise in particular (see FIG. 3) a waste separation device 8, such as a cyclonic separator or a filter, and a motorized fan unit 9 comprising an electric motor and a fan coupled to the electric motor to generate a flow of air in the aunterlic circuit 7 when the cleaning device 1 is in operation.
• the waste separation device 8 and the motorized fan unit 9 are arranged on the aeraulic circuit 7, that is to say they are crossed by the flow of air sucked in when the cleaning device 1 is in operation. functioning.
• the waste separation device 8 is generally placed on the a Vogellic circuit 7 upstream of the motor-driven fan unit 9.
• the separation device waste 8 is placed in a waste collection bowl 10.
• the waste collection bowl 10 is removable to be removed from the main body 2, so that the waste accumulated in the waste collection bowl 10 can be discharged more easily and for cleaning the waste separation device 8.
• the waste collection bowl 10 comprises a central handle 11 .
• the cleaning device 1 further comprises first and second main wheels 12, 13 rotatably mounted on the main body 2.
• the first and second main wheels 13, 14 respectively comprise first and second treads 15 , 16 so that the main body 2 can rest and roll on the floor to be cleaned.
• the first and second main wheels 13, 14 are arranged on either side of the main body 2. More precisely, the first and second main wheels 13, 14 are side wheels relative to the main body 2.
• the first and second wheels main 13, 14 respectively have axes of rotation A13, A14.
• the main wheels 13, 14 advantageously have axes of rotation A13, A14 inclined relative to each other.
• the axes of rotation A13, A14 preferably converge towards the top of the main body 2 to form at the top an angle a of less than 180°.
• a suction nozzle (not shown), also known as a suction head, is normally connected to the fluid inlet 5 by a suction tube (not shown) comprising a rigid part and a flexible part.
• the cleaning device 1, the suction nozzle and the suction tube form a canister vacuum cleaner.
• the user of a canister vacuum cleaner holds the suction nozzle via a handle provided on the rigid part of the suction tube or secured to the suction tube.
• the handle and the suction tube allow the user to pull the cleaning device 1 which, thanks to the first and second main wheels 13, 14, rolls on the ground to be sucked.
• suction nozzle and the suction tube are parts of a canister vacuum cleaner which are known to those skilled in the art. This is why the suction squeegee and the suction tube are not shown in the figures and are not described in more detail in this description.
• the first and second main wheels 13, 14 are advantageously annular and rotate respectively around a first fixed wheel hub 18 and a second fixed wheel hub 19 which are integral with the main body 2 and which are arranged either side of the main body 2.
• the first and second fixed wheel hubs 18, 19 extend from the main body 2 respectively beyond the first and second main wheels 13, 14.
• the first and second fixed wheel hubs 18, 19 respectively have a first outer surface 18a and a second outer surface 19a which are each in the shape of a spherical cap, in other words in the shape of a dome.
• the spherical caps defining the first and second outer surfaces 18a, 19a have centers which are substantially coincident with the center of the overall spherical shape, and have identical or substantially identical radii of curvature.
• the first main wheel 13 has a first annular outer surface 13a which is flush with the first outer surface 18a of the first fixed wheel hub 18, and the second main wheel 14 has a second annular outer surface 14a which is flush with the second outer surface 19a of the second fixed wheel hub 19.
• each of the first and second annular outer surfaces 13a, 14a is a portion of an annular spherical surface.
• the first and second annular outer surfaces 13a, 14a form, with the first and second outer surfaces 18a, 19a of the first and second fixed wheel hubs 18, 19 and the outer wall 4 of the main body 2, an assembly of generally spherical shape. This configuration allows the cleaning device 1 to more easily dodge obstacles encountered.
• the first and second main wheels 13, 14 are of the omnidirectional type.
• This type of wheel allows the cleaning device 1 to move laterally L by rolling, in other words by rolling, to better dodge an obstacle 30 coming into contact with a wheel protection structure 22, which will be described in more detail. below, and/or one of the first and second outer surfaces 18a, 19a of the first and second fixed wheel hubs 18, 19 (see FIGS. 7a to 7b).
• This type of wheels is also known as holonomic wheels.
• the first main wheel 13 comprises a plurality of first rotating rollers 13b distributed over the periphery of the first main wheel 13 and forming the first tread 15 of the first main wheel 13
• the second main wheel 14 comprises a plurality of second rotating rollers 14b distributed over the periphery of the second main wheel 14 and forming the second tread 16 of the second main wheel 14.
• the first rotating rollers 13b of the first main wheel 13 can rotate freely and have axes of rotation not parallel to the axis of rotation A13 of the first main wheel 13, and the second rotating rollers 14b of the second main wheel 14 can rotate freely and have axes of rotation not parallel to the axis of rotation A14 of the second main wheel 14.
• the axes of rotation of the first and second rotating rollers 13b, 14b are respectively perpendicular to the axes of rotation A13, A14 of the first and second main wheels 13, 14.
• the axes of rotation of the first and second rotating rollers 13b, 14b are substantially tangent to the overall spherical shape or tangent to a theoretical sphere arranged radially inside the overall spherical shape.
• each of the first and second main wheels 13, 14 comprises a first wheel part 110 and a second wheel part 120 which are annular and coaxial and which are fixed to one another. another for example by snap-fastening.
• the first and second rotating rollers 13b, 14b are respectively interposed between and held in position by first and second support members 111, 121 respectively provided on the first and second wheel parts 110, 120 respectively.
• the first and second support members 111, 121 provided on the first and second wheel parts 110, 120 of each of the first and second main wheels 13, 14 are more particularly configured to guide the respective rotating rollers in rotation.
• the first wheel parts 110 of the first and second main wheels 13, 14 respectively comprise the first and second annular external surfaces 13a, 13b.
• each of the first wheel parts 110 comprises a plurality of snap-fastening elements 112, such as male or female snap-fastening elements, which are distributed around the axis of rotation of the main wheel.
• each of the second wheel parts 120 comprises a plurality of ratchet members 122, such as female or male ratchet members, which are distributed around the axis of rotation of the respective main wheel and which are configured to cooperate with the respective snap elements 112.
• Additional latching means could also be provided on the first and second support members 111, 121 of each of the first and second main wheels 13, 14.
• the first main wheel 13 is guided in rotation around the first fixed wheel hub 18 using at least three primary guide pads 20, and for example four, which are angularly offset by relative to the axis of rotation A13 of the first main wheel 13, and the second main wheel 14 is guided in rotation around the second fixed wheel hub 19 using at least three secondary guide pads 21, and by example four, which are angularly offset from the axis of rotation A14 of the second main wheel 14.
• Each of the primary guide pads 20 is integral in rotation with the first fixed wheel hub 18 and has a first guide groove 20a
• the first main wheel 13 comprises a first annular guide rib 13c configured to slide in the first guide grooves 20a of the primary guide pads 20.
• each of the secondary guide pads 21 is integral in rotation with the second fixed wheel hub 19 and has a second guide groove 21a
• the second main wheel 14 comprises a second annular guide rib 14c configured to slide in the second guide grooves 21 has secondary guide pads 21 .
• each of the primary and secondary guide pads 20, 21 comprises a chamfer for the assembly by irreversible interlocking of each of the first and second main wheels 13, 14 on the respective fixed wheel hub among the first and second fixed wheel hubs 18, 19.
• each of the first and second fixed wheel hubs 18, 19 is hollow and delimits an internal space which can be used to dispose, for example, of the functional members of the cleaning device 1, such as for example a filter (not shown) or a fluid conduit.
• the first fixed wheel hub 18 could comprise a first structural hub part and a first hub cover which is attached to the first structural hub part and which defines the first outer surface 18a of the first fixed wheel hub 18.
• the second fixed wheel hub 19 could include a second structural hub part and a second hub cover which is attached to the second structural hub part and which defines the second outer surface 19a of the second fixed wheel hub 18.
• the cleaning device 1 further comprises a wheel protection structure 22 which is configured to protect the first and second main wheels 13, 14 and which is arranged outside the housing 3 of the main body 2.
• the wheel protection structure 22 extends at a distance from the outer wall 4 of the main body 2, and covers a portion of each of the first and second treads 15, 16 of the first and second main wheels 13, 14, and more particularly several of the first rotating rollers 13b and several of the second rotating rollers 14b.
• the wheel protection structure 22 covers an angular sector S1 of each of the first and second treads 15, 16 which is greater than 90° and advantageously between 90° and 130°. In the example of FIG. 2, the angular sector S1 covered is around 115°.
• the wheel protection structure 22 therefore makes it possible to protect the first and second main wheels 13, 14 from some of the shocks that they could suffer when the cleaning device 1 moving on a floor to be cleaned encounters obstacles.
• the wheel protection structure 22 thus makes it possible to increase the longevity of the first and second main wheels 13, 14.
• the wheel protection structure 22 is particularly useful when the first and second main wheels 13, 14 are large diameter wheels. as shown in the figures.
• the wheel protection structure 22 makes it possible to at least partially protect the main wheels of large diameters without having to oversize the casing 3 of the main body 2 to try to protect such main wheels.
• first and second main wheels 13, 14 are considered to be large diameters when their outer diameter, corresponding to the diameter of the first and second treads 15, 16 of the first and second wheels.
• main wheels 13, 14, is greater than 2/3 of the height H of the main body 2 measured from a horizontal surface on which the first and second main wheels 13, 14 rest.
• the height H of the main body 2 is measured without counting the additional height that can represent the wheel protection structure 22.
• the wheel protection structure 22 forms a handle assembly which can be grasped by the user.
• the wheel protection structure 22 therefore takes the form of a handle assembly that can be grasped by the user to lift and move the cleaning device 1.
• the wheel protection structure 22 makes it possible both to protect all or part of the first and second main wheels 13, 14 and to provide at least one gripping surface for the user.
• Figures 7a to 7d illustrate, in four steps, dodging a frontal obstacle, such as a table leg presenting frontally to the cleaning device 1.
• a frontal obstacle is an obstacle coming to meet and come into contact with the cleaning device 1 when the cleaning device 1 moves forwards AV.
• the cleaning device 1 moves forward AV.
• An obstacle 30 stands in the path of the cleaning device 1 and in front of the first main wheel 13.
• the cleaning device 1 continues its forward movement AV and comes into contact with the obstacle 30. More specifically, an inclined outer surface 23 of the wheel protection structure 22 comes into contact with the obstacle 30 by interposing itself between the obstacle 30 and the first main wheel 13 thus avoiding the obstacle 30 does not hit the front of the first main wheel 13.
• the cleaning device 1 continues its forward movement AV, the inclined outer surface 23 slides over the obstacle 30. Thanks to the inclination of the inclined outer surface 23 , at the same time as the cleaning device 1 moves forward AV, the cleaning device 1 moves laterally L.
• the cleaning device 1 continues its forward movement AV, the inclined outer surface 23 is clear of the obstacle 30.
• the cleaning device 1 continues to slide on the obstacle 30 by contact between the obstacle 30 and the first outer surface 18a of the first fixed wheel hub 18.
• the first outer surface 18a of the first fixed wheel hub 18 is in a top view of the cleaning apparatus 1 substantially in the extension of the inclined outer surface 23.
• the sliding relative to the obstacle 30 on the first outer surface 18a has the effect, on the one hand, of continuing to move the cleaning device 1 laterally as it moves forwards AV and, on the other hand, of moving the obstacle the 30 of the first main wheel 13 to prevent the obstacle 30 from hitting the first main wheel 13 in particular a rear part of the first main wheel 13.
• Obstacle dodging according to the four steps above is obtained by a combined effect of the wheel protection structure 22 and the first and second outer surfaces 18a, 19a of the first and second fixed wheel hubs 18, 19 in the form of spherical caps.
• the wheel protection structure 22 comprises also an inclined outer surface 24 which is located on the side of the second main wheel 14 and which is configured to come into contact with an obstacle 30 located on the side of the second main wheel 14, so as to prevent the obstacle from coming hit the front of the second main wheel 14.
• the first outer surface 18a of the first fixed wheel hub 18 could come directly into contact with the obstacle 30, that is to say without the latter not comes into contact with the wheel protection structure 22 beforehand.
• the spherical cap shape of the first outer surface 18a associated with first and second main wheels 13, 14 of the omnidirectional type, allows, when the obstacle 30 meets the first outer surface 18a, a lateral movement by rolling of the cleaning device 1 which is continuous and progressive as the forward movement AV of the cleaning device 1, this which finally allows the cleaning device 1 to emerge more easily from the obstacle encountered.
• the cleaning device is a washing device capable of wetting and scrubbing the floors to be washed or is a vaporizing device capable of sending steam on floors to be cleaned.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Electric Suction Cleaners (AREA)
• Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

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Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

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Citations (5)

• 2021
  • 2021-02-05 FR FR2101092A patent/FR3119526B1/fr active Active
• 2022
  • 2022-02-03 EP EP22155069.2A patent/EP4039151B1/de active Active
  • 2022-02-03 WO PCT/FR2022/050213 patent/WO2022167765A1/fr active Application Filing
  • 2022-02-03 CN CN202280013393.2A patent/CN116847767A/zh active Pending

Patent Citations (5)

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