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
  • A47L1/00—Cleaning windows
  • A47L1/06—Hand implements
  • A47L1/08—Hand implements with provision for supplying liquids, e.g. 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
  • A47L1/00—Cleaning windows
  • A47L1/02—Power-driven machines or devices
  • A47L1/05—Hand apparatus with built-in electric motors
• • 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
  • A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
• • 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
• • 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
  • A47L11/4036—Parts or details of the surface treating tools
  • A47L11/4044—Vacuuming or pick-up tools; Squeegees
• • 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
  • A47L11/4061—Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
  • A47L5/00—Structural features of suction cleaners
  • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
  • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
  • A47L5/24—Hand-supported suction cleaners
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
  • 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
  • A47L7/0019—Details of the casing
• • 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
  • A47L7/0023—Recovery tanks
  • A47L7/0028—Security means, e.g. float valves or level switches for preventing overflow
• • 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
  • A47L7/0023—Recovery tanks
  • A47L7/0038—Recovery tanks with means for emptying the tanks
• • 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
  • A47L7/0042—Gaskets; Sealing means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
  • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
  • B01D46/003—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid
  • B01D46/0031—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid with collecting, draining means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
  • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
  • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
  • B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F22—STEAM GENERATION
  • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
  • F22B1/00—Methods of steam generation characterised by form of heating method
  • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
  • F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B3/00—Ohmic-resistance heating
  • H05B3/40—Heating elements having the shape of rods or tubes
  • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
  • B01D2273/28—Making use of vacuum or underpressure
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
  • B01D2275/20—Shape of filtering material
  • B01D2275/201—Conical shape

Definitions

• the invention relates to a suction and cleaning apparatus for water and / or dust comprising, integrated in a shell: - a nozzle,
• the invention relates to the field of mobile cleaning devices, and in particular household electrical appliances.
• WO 94/24920 which describes an aspiro vapor, is thus known, in which the separation of the phases is carried out only by the combination of a liquid separator and a simple deflecting wall orienting the liquid towards a receptacle, the air being directed to a filtration chamber, which must then be provided with a filter.
• the use of this filter proves the imperfect effectiveness of such a device.
• UK Patent 2,382,042 discloses a brush-type centrifugal filter of known type in which a flow of air laden with liquid and dust passes at least in part through a rotating brush which ejects a large part of the liquid at the periphery. and dust.
• the efficiency is limited, due to significant pressure losses, and the need to juxtapose, in series, several devices of the same type, to achieve to make the air clean enough for its discharge into the environment. Therefore the size is necessarily important, and is incompatible with use for a home appliance, especially for a lightweight device to be manipulated with one hand. These systems do not guarantee the stopping of dry or wet particles.
• the sealing is not complete at the level of the brushes, the impure air can bypass the brush and flow to the exhaust duct.
• Water and dust aspirators are known, for example shampooers, extractor ejectors, or aspiro-vapors, They are bulky and almost only exist in the drums, sleds, and sometimes brooms because of poorly adapted or non-existent water / air separation systems.
• a delicate cleaning case is that of cleaning glass surfaces previously wet with water or steam. This cleaning requires, in case of suction by ventilation, that the suction device comprises a liquid separator filter placed on the air circuit before it is expelled from the device.
• the cleaning of windows or other supports is a household problem for which there is no economic solution developed, allowing to perform in one pass the application of steam or hot or cold liquid product and a strong suction simultaneously, with a vacuum close to or greater than 15 kPa, by a light, compact, portable or manual device.
• a delicate problem is that of grasping the user by one hand, who is often required to work at height, and may have to hold the apparatus at arm's length, depending on the equipment available to work at height. .
• the invention aims to solve these major difficulties by providing a cleaning appliance, preferably portable, water and / or dust collector, compact, lightweight, powerful, economical, and environmentally friendly, having a self-cleaning separation system , usable in all positions, and especially which has high performance characteristics, both in heating energy generation, and purification of the air returned to the environment, which are higher than those which are difficult to reach appliances larger in size, often forced to roll due to their volume and mass.
• a cleaning appliance preferably portable, water and / or dust collector, compact, lightweight, powerful, economical, and environmentally friendly, having a self-cleaning separation system , usable in all positions, and especially which has high performance characteristics, both in heating energy generation, and purification of the air returned to the environment, which are higher than those which are difficult to reach appliances larger in size, often forced to roll due to their volume and mass.
• the invention relates to a suction and cleaning apparatus for water and / or dry dust comprising, embedded in a shell: - a nozzle,
• a handle designed to allow the manipulation of the apparatus and the nozzle with one hand, a heating means using the ceramic electrical and thermal insulation, characterized in that said air-water separator means comprises at least one brush actuated in rotation, in extension of said ventilation means, said rotating brush with at least one turbine or nozzle serving as a support, and that said apparatus comprises a discharge pipe for air freed of the liquid, incorporated in said handle in extension a bypass, and that said contaminated liquid and / or dust recovery tank is located below said separator.
• the tubular heating means comprises, going from the inside to the outside:
• a central tube in which the water to be vaporized circulates a thermal conductive electrical insulator, a heating resistor placed on the periphery of the heating means, an external thermal insulation made of non-fibrous ceramic, advantageously also electrically insulating, protecting the whole heating means.
• the thermal conductive electrical insulator is in the form of a monobloc material constituted by a ceramic, or by a thin layer deposited on the surface of the central tube in the form of an oxide layer.
• aluminum or a thin layer of ceramic obtained by soaking and cooking, doubling the electrical insulation of the water and limiting the adhesion of the limestone.
• said suction and cleaning apparatus is portable and designed capable of being handled by one hand of the user.
• the invention further relates to a window squeegee having such features.
• the invention also relates to a heating means in the form of boiler for cleaning apparatus.
• the device aspiro-portable cleaner according to the invention is light, manageable and usable in all positions, powerful, versatile, economical, instant use.
• this apparatus provides an instantaneous flow rate steam generation, which allows windows, fabrics and carpets, carpets, or hard floors to be cleaned in the same manner as a shampooer.
• a squeegee specifically designed so that the suction is optimal and the drops do not flow out of the squeegee during the window cleaning operation.
• the outer shell incorporates the by-pass, which is a deflection to prevent the intake air from passing into the engine, and the exhaust pipe. It is advantageously injected into two interlocking parts directly without any other assembly or junction of any kind.
• FIG. 1 shows schematically and in section a suction and cleaning apparatus for water and / or dust according to a first embodiment of the invention
• FIG. 2 is a schematic perspective view and cut away of the first embodiment of the invention
• FIG. 3 schematically illustrates the air-water separator apparatus brush exploded view in a first embodiment, and the ventilation means;
• FIG. 4 is a schematic sectional view of the brush separator apparatus of Figure 3 with its motorization means;
• FIG. 5 shows schematically and in section a heating means capable of producing steam
• FIG. 6 shows schematically and in section a suction and cleaning apparatus for water and / or dust according to a second variant of the invention
• Figure 7 shows schematically and in section a suction and cleaning apparatus for water and / or dust according to a third variant of the invention
• Figure 8 schematically illustrates the air-water brush separator apparatus in exploded view in a second embodiment also shown in Figure 7;
• FIGS. 9 and 11 are diagrammatic, partial and perspective views of a scraper member of a window squeegee of a suction and cleaning apparatus for water and / or dust according to the invention and its shape. specific;
• FIG. 10 is a schematic sectional view of such a scraper member
• FIG. 12 shows schematically and in perspective, the third variant suction and cleaning apparatus for water and / or dust of Figure 7;
• FIG. 13 shows schematically and in top view, a detail of a suction and cleaning apparatus for water and / or dust according to the invention
• FIG. 14 diagrammatically and in perspective shows a fourth variant of suction and cleaning apparatus for water and / or dust.
• the arrow A represents the suction side plus the steam outlet duct on which the accessories are fitted by any known means and in particular sliding ring systems.
• the arrow M designates the outlet of the cleaned air, on which it can be adapted other accessories such as a blower hose, a perfume diffuser, or a complementary silencer, or other.
• the invention relates to the field of mobile cleaning devices, and in particular household electrical appliances.
• the suction and cleaning apparatus 100 is preferably portable, and comprises, integrated in a shell 15: a nozzle 38 designed to receive a first dust filter 72,
• a ventilation means 40 a tank of cleaning liquid, in particular clean water, 20,
• a handle 5 designed capable of allowing the manipulation of the apparatus and the nozzle with one hand
• a contaminated liquid and / or dust recovery tank 4 preferably located below the separator
• a filtration by water of the dust in this one is meant a reference to a so-called normal working position in which the operator holds the apparatus 100 with the fist closed around the handle 5 substantially vertical and with the nozzle 38 in the up position relative to the rest of the the device.
• a heating means 19 preferably using the ceramic in electrical and thermal insulation.
• separation means which can take the form of a water-air separator means 50, in extension a ventilation means 40, or a filter to be deviculated 1 at the inlet of the apparatus, with a device for guiding the wastewater, or both at the same time.
• the ventilation means 40 is composed of a motorization means 3, preferably an electric motor, with at least one propeller or turbine 11 ensuring the aspiration of air.
• the air-water separating means 50 comprises at least one brush 2 actuated in rotation, in extension of the means of ventilation 40.
• This brush 2 rotates with at least one turbine 11 and / or a nozzle 51 serving as support.
• the apparatus 1 comprises a channel or discharge pipe 6 for the air freed of the liquid, preferably incorporated in the handle 5.
• This channel or pipe 6 is in the extension of a bypass 60.
• This bypass 60 consists of a deflection, formed in particular in the shell 15 of the apparatus 100, designed to prevent the passage of air in the motor means 41 of the ventilation means 40.
• the by-pass pass 60 is designed with acoustic insulation by special coating.
• the soiled liquid recovery tank and / or dust 4 is located below the separator 50.
• the apparatus 100 is designed capable of generating steam by heating the cleaning product, preferably water, under the action of the heating means 19.
• This steam is diffused by a steam outlet conduit 61, preferably located in close proximity to the nozzle 38.
• the apparatus is advantageously provided with an electrical and thermal insulation heating means based on ceramic materials and / or oxidized metals, making it possible to rapidly generate steam in optimum conditions of space, efficiency and safety, and is designed to receive a scraper, including a squeegee specifically adapted for cleaning windows placed in front of said suction apparatus.
• This apparatus is a high-performance manual vapor-aspirator which can be adapted to many accessories especially for the recovery of wet residues and not only dry dust.
• the suction nozzle 38 is or comprises a scraper member, preferably in the form of a scraper specially adapted for cleaning the panes.
• the squeegee is then rigidly connected to
• a rigid pipe with a nozzle, intermediate extension elements, flexible or rigid, telescopic or not, and other known accessories can also be connected to the inlet, referenced A.
• the portable vacuum cleaner apparatus comprises the following essential parts:
• an air / water separator means 50 preferably constituted by at least one flat brush 2 actuated in rotation, in extension of the ventilation means 40, by means of a motorization means 3, preferably an engine, or a turbine 11 It may also include a filter to be deviculated 1.
• the turbine 11 may itself be driven by another suction apparatus in extension M ensuring the flow of air;
• a separate liquid recovery tank 4 preferably located below said separator
• a handle 5 allowing the manipulation of the apparatus and the nozzle
• FIGS. 6 and 7 illustrating other embodiments.
• a single air-water separator means 50 it may be envisaged to insert a single air-water separator means 50.
• the air-water separating means 50 is preferably positioned in the center of the apparatus, in particular if it is a water-air brush separator of the type described in patent applications FR 0602951 and PCT / FR. 2007/051060 from the applicant. It can also be placed in the receiving chamber 7 immediately at the inlet of the apparatus to facilitate cleaning, more particularly if it consists of a deflecting filter 1 formed by a foam, a fibrous lattice, a granulate, or any other substrate.
• the peculiarity of this configuration is that the brush 2 rotates with its turbine 11 or nozzle 51 serving as support, so without friction.
• One or two brushes 2 superimposed staggered preferably, ensure the damming of drops of water by centrifugal projection on the walls, these drops sliding by gravity to the recovery tank.
• the drive of the turbine 11 or nozzle 51 by the motorization means 3 can be done in different ways, either by the solution of the preferred line drive in the apparatus of a sufficient external volume, or by placing side by side the axis of the turbine 11 and that of a motorization means 3 and by using means for transmitting the rotational movement such as belts, or rubber rollers, or gears, or similar.
• This last provision is interesting in the case of small volume devices, manual, such as a window squeegee or a small aspiro-vapor, designed to be held with one hand in use, and can not have a weight or a large volume.
• the particular use of rubber rollers or bevel gears is necessary if the reduced space requires to have axes a motorization means 3 on the one hand, and the turbine 11 on the other hand, divergent.
• This arrangement contributes to a good balance of the device. Indeed, a constant concern for ergonomics in the design makes it possible to have the center of gravity of the device at the level of a handle, to avoid the user a difficult overhang in a prolonged handling.
• This optimal distribution of the masses also comprises the balancing of the dirty water tanks 4 and clean water 20 with respect to this center of gravity. It should be noted that, in a particular embodiment, these two reservoirs may form only one chamber, ideally situated under the center of gravity, subdivided into at least two compartments separated by a filtering partition 64, for example in the form of a filter woven or canvas, an opening of 3 microns giving good results in domestic use for cleaning windows, for example.
• the filtering partition 64 is swept by the movements of the operator, which contributes to a self-cleaning.
• a single reservoir is subdivided into a reservoir of clean liquid 20 and a contaminated liquid reservoir 4 by a membrane separating these two reservoirs 20 and 4, and fixed peripherally, so as to be able to move between extreme positions, starting where the whole volume is occupied by the clean liquid, and final where all the volume is occupied by soiled liquid.
• the position and shape of the handling handle are designed for a good comfort of use.
• the air outlet returning to the environment is oriented downwards, in a normal position of use.
• this air outlet can, again, be equipped with a nozzle that can be turned by the user.
• the soiled and / or dusted liquid recovery tank 4 comprises a filtration means, preferably a pleated filter 71, intermediate in the stream of a cyclonic inlet and upstream of the separator 50.
• a pleated filter 71 can be chosen washable, or disposable because of its low cost.
• the recovery tank 4 is preferably arranged in the lower part of the apparatus and advantageously provided with a drain plug or removably designed to be emptied and cleaned.
• a first embodiment has an overall pistol shape with the recovery tank 4 placed on the front and in the lower part, and with the separator ventilation assembly as shown in FIG. 4, placed in the back body of the unit.
• the part intermediate in which the air opens is a reception chamber 7.
• the receiving chamber 7 may have grooves along the fuselage and a valve 17 may be oriented to direct the air towards the center of the flat brush. 2.
• the air separated from the water and dust by means of the brush separator 2 is discharged through an opening 9 located at a single point, tangentially to the ventilation fan 10, located opposite, and in extension of the evacuation pipe 6 to the outside.
• the opening 9 is made in a peripheral ring 12 integrated in the shell, or can be directly integral with the shell 15, according to the design, in this case, the exhaust pipe and the bypass thus formed are only a single piece consisting of two half hulls formed by the outer shell directly.
• the determined set is more economical and its direct assembly.
• the air is then evacuated through the pipe 6 to the outlet M in the direction of the arrow.
• This type of bypass 60 is applicable to any design of vacuum cleaner, cleaner, shampooer, or extractor ejector requiring an air flow separated from the electric motor because of its humidity.
• the motor 3 actuates in rotation the axis 8 carrying the flat brush 2 and a propeller or turbine 11.
• the flat brush 2 fixed on the shaft 8 is positioned in front of a turbine 11 or a nozzle 51 in the extension of the latter, thus compensating for the decrease in the air flow caused by said brush.
• the nozzle 51, or the nozzle and turbine assembly is inserted into a peripheral cage 12 having an opening 9, for the evacuation of air.
• a seal 13 for rotating shaft is positioned between a circular plate 14 and the motor 3.
• the brush 2 is not fixed by its axis of rotation, but is held peripherally by holding means, clips or the like, on a nozzle 51 or on a turbine 11.
• the electric motor 3 is ventilated by its own ventilation and various openings in the hull.
• the assembly shown in FIG. 3 is positioned in the shell 15 with the introduction of silentblocs 37, as shown in FIG. 4, making it possible to limit the vibrations and the acoustic resonance of the apparatus 100, the bypass assembly being without contact with the rest of the separator / motor / ventilation body.
• the assembly thus produced is more economical and silent.
• the shell portion 15 of the separator, a second insert plate 16, or a flange integral with the shell, and the circular plate 14 define the interior space 60 for the flow of the air freed of liquid.
• This internal space or bypass 60 integrated into the hull has an economic advantage due to its integration, a simplification to assembly, a reduction in weight and volume.
• This interior space can be covered with a coating or soundproofing surface treatment.
• FIGS. 7 and 8 corresponding to the preferred embodiment of the invention, are mounted coaxially and in this order, in the flow direction from A to M:
• At least one brush 2 mounted in abutment on a support flange.
• the latter is formed on a flange having an opening for passage of the flow from the brush 2, or on a nozzle 51.
• the brush 2 is driven by this nozzle 51, or by a turbine 11, and ensures the separation of the gaseous phase and the liquid phase which contains the dust;
• a nozzle 51 rotatably mounted in a chamber consisting of a peripheral ring 12 attached to the shell 15.
• This ring 12 is preferably designed to form a receptacle 55, able to collect the water from the separation, when the apparatus is manipulated in various positions, in particular the nozzle 38 upwards.
• This nozzle 51 is fixed on a turbine 11 at its end opposite the brush 2, in particular by gluing or clipping for example with a counter-locking ring.
• the nozzle 51 is of evolving inner shape, narrowing, to compensate for the decrease in air inlet section due to the brush with respect to the section of the air inlet of the turbine, from an outer shape substantially cylindrical in the vicinity of the brush 2, to a substantially frustoconical shape terminating in an inlet orifice in the turbine 11.
• This nozzle 51 comprises, outside its downstream portion in the direction of the flow deployed towards its contact face with the turbine 11, stiffening supports 52. These are designed capable of constituting blades for creating a particular vortex flow in an outer annular channel 53 formed between the nozzle 51 and the peripheral ring 12, flow air designed adapted to prevent the rise of a parasitic flux at an annular space 54 required by a functional game. These supports 52 can thus be inclined in order to put this channel 53 under pressure.
• the nozzle 51 guides the flow axially to the turbine 11; a turbine 11, in particular made of metal or plastics material, comprising blades, driven by a motorization means 3 and arranged in a chamber formed in the shell 15 of the apparatus, facing a deflector or circular plate 14, mounted integral with the hull 15 and allowing the clearance of the air from the turbine 11 and its lateral evacuation by the bypass 60.
• the peripheral ring 12 is tangent to a brush 2, one of its ends may be in contact with the brush 2 advantageously comprises one or more concentric grooves capable of containing a water seal.
• nozzle 51 and the brush 2 are mounted, on either side thereof, 56 tapered or ogival deflectors, designed to prevent lateral turbulence and parasitic depressions.
• separator 50 is self-cleaning during the rotation of the brush 2, any dirt being removed under the effect of the centrifugal force.
• the turbine 11 and the nozzle 51 are coupled, in particular, in a preferred variant with a nozzle 51 glued or clipped on the turbine 11, or monoblock with the latter, it is possible, in a variant of FIG. execution, decouple them.
• the handle 5 shown in Figures 1 and 2 and 7 comprises an air outlet pipe 6, lateral or central, reported or integrated to the handle and sheaths for the passage of electricity and possibly water , in the case of an appliance with integrated heating to produce steam.
• the air outlet of this handle 5 can receive a perfume diffuser, an additional silencer, hoses for a blower, or other miscellaneous accessories.
• a non-return system 18 with a ball or in the form of a non-return valve, as illustrated in FIG. 1 or 7, a nozzle or a valve. antiretour, to prevent any return of the recovered liquid to the receiving chamber 7. This allows the use of the device in all positions.
• the apparatus 100 is advantageously provided with heating means
• This water tank 20 can be, as can be seen in FIG. 7, located in the lower part under the center of gravity of the apparatus 100, which then comprises a pump 73. In another embodiment, it is located at above the heating means 19, so as to supply it by gravity, when the apparatus 100 is in the usual operating position.
• the heating means 19 of tubular form preferably comprises, going from one inside to the outside:
• a spiral guide avoids too direct output of the steam flow.
• alloys with a high expansion index such as aluminum alloys;
• an electrical insulator which is chosen to be also the best possible thermal conductor 22 or 25 is designed capable of allowing the removal of the earth in this type of heating body.
• Such an insulator can also be applied inside the tube 21;
• a heating resistor 23 in particular economically composed of an electrical coil, placed on the periphery of the insulator covering the tube 21 and connected to an electrical circuit by means of two plugs.
• the thickness of the flange may be supplemented with a thermally conductive ceramic to improve the inertia of the assembly if necessary.
• this resistor 23 is not sheathed, in the light of the smallest possible volume.
• the heating resistor 23 may have different configurations, for example wound in turns on the periphery of the thermal conductive electrical insulator, or back and forth on the periphery of the tube 21. If the resistor 23 is coated with an electrical insulator, the turns can be joined.
• the tube 21 may comprise at least one groove, in particular helical groove, for housing the turns.
• the resistor 23 in turns, for the same length of tube 21, can, with respect to a straight resistance, have a much greater cross section, it can also be better applied to the tube, hence a increased reliability;
• an external thermal insulator 24 advantageously also electrically insulating, protecting all of the heating means 19.
• the material used is based on non-fibrous ceramics with a high coefficient of thermal insulation, because the fibrous materials are often and increasingly classified as dangerous and become prohibited. In this set the ground wire is removed which allows the lightening of the power cord.
• the volume gain resulting from a two-conductor design instead of three makes it possible to equip the device according to the invention with a cable reel, to meet the expectations of the market.
• the thermal conductive electrical insulator 22 or 25 is in the form of a one-piece material which may be, for example, a ceramic 22, or a food-grade porcelain or the like, or in the form of a thin layer deposited on the surface.
• central tube 21 for example an aluminum oxide layer obtained by plasma spraying.
• This deposit can also be obtained by ceramizing low temperature (500 0 C) after soaking in a mixture of aluminum oxide and silicon dioxide among others, this economical solution also provides a perfect protection against oxidation metal tube 21, which can be made of non-stainless material, and with, in addition, double electrical insulation.
• This technique which is similar to enamelling, can also be used to prevent limescale fixation, which causes electrical safety and efficiency to be disturbed.
• the covering of the tube 21 is still possible with a deposit based on aluminum oxide and resin.
• the insulator 25, applied on the tube 21, is better thermal conductor than the insulator 22, which is used for the protection of the Heating resistance 24. This difference in thermal conduction advantageously comes from a much higher level of alumina in the insulator 25 than in the insulator 22.
• the thickness of the tube 21 is calculated as a function of the desired steam flow rate, the electrical power of the resistor, and the inertia necessary for a constant flow rate.
• non-limiting materials such as magnesia, dense alumina, boron nitride, silicon, can be used according to needs and means of non-limiting applications, either.
• the thermal conductive electrical insulator in the form of a thin layer 25 has the advantage of reducing the size of the heating means 19 and allows a faster thermal diffusion to the central tube 21 in contact with water.
• This thin-layer application can be performed by plasma spraying or resin varnishing, or by dipping in a bath, or enameling, or any other known system.
• the heating assembly is advantageously completed by two connectors 26 and 27, larger at the outlet to avoid pressure, allowing the interlocking of the conductive pipes.
• the heating means 19 for its simplicity, is more economical and lighter than the usual shielded resistances embedded in aluminum blocks. Moreover the advantage of the use of ceramic is to avoid the connection to the earth of this set because at no time the water and its conduit are in contact with the electrical circuit. A probe thermostat or bi-metal lamella chip allows the thermal and electrical regulation of the heating means 19.
• the ejection of steam is controlled by a trigger or by an electric control accessible to the hand of the user who carries the recovery device.
• the command of the sending of the water towards the resistance is made by a trigger pressure compressing the pipe, or by an electrical control controlling a pump 73.
• a ball check valve can guarantee a single direction of circulation during the production of steam.
• the steam produced by the heating means is ejected towards its outlet duct 61, in the direction of the surface to be treated by conduits and known means.
• the heating means 19 is preferably positioned on the front and the bottom of the apparatus so that the hand of the user on the handle 5 is not in the vicinity of the heating element, even if it is it is thermally insulated.
• the distance of the electric motor from this heater is also a thermal advantage because the motor is not in a preheated air flow.
• an obstacle in the form of a deflection 67, is interposed in such a way as to channel part of the air through the outlet in M, and to divert a portion of the air in a circulation zone around the heating means 19 , before emerging through a hole 46 opening outwardly, preferably on the front of the device, to the nozzle 38, not to interfere with the user.
• a water trap for example in the form of a baffle 47.
• This deflection to cool the heating means 19 may, again, be designed to be supplied by the cooling air of the motorization means 3, the shell 15 then has channels adapted to ensure the conveying of this air.
• the advantage of ventilating the heating part is to minimize the temperature in the receptacle of the heating part, and thus to be able to use, for the shell 15, more materials. cost-effective thermo-resistant materials for high temperatures, and in particular to use "ABS", or another plastic or composite material of medium heat-resistant quality that is to say, able to withstand without deformation a temperature of 100 0 C, and very significantly lower cost.
• the apparatus 100 preferably comprises, at least locally around the motorization means 3, a double shell constituted by the main shell 15 on the one hand, and the tank 20 or a hood 68 of on the other hand, the tank 20 or hood 68 being designed capable of covering the shell 15 at a short distance from the latter, by providing a space 76 for the fresh air inlet, and constituting a baffle and water traps at the level of its junctions 15.
• This double hull thus ensures good ventilation of the engine means 3.
• a cover 68 covers the hull at a short distance from the latter, providing a space for the fresh air intake, taken under this cover 68 in the vicinity of the handle 5, and up towards the top of the device to a masked air inlet.
• the air having served for cooling is ejected laterally at an orifice 77 so as not to impede the user.
• heating means 19 avoids the conventional solution of a bulky and heavy boiler.
• the invention makes it possible to double the power compared to a conventional armored resistor, and to improve the reliability.
• Such a heating means 19, shown here in a preferred tubular form can naturally take different forms. Its use particularly well adapted to a cleaning apparatus according to the invention, can still find other applications, specifically for appliances with boilers, such as vacuum cleaner, cleaner, shampooer, or ejector extractor, boilers whose performance and speed of heating can be significantly improved .
• boilers such as vacuum cleaner, cleaner, shampooer, or ejector extractor, boilers whose performance and speed of heating can be significantly improved .
• An apparatus portable, of small size, that is to say of a mass of 2 kg or less, preferably of a mass close to 1, 5 kg, and a volume less than 300 mm x 300 mm x 150 mm, easily achieves, with such a heating means, a heating power, at the level of the heating means 19, from 1500 to 2000 W.
• Such an apparatus is designed with ventilation means 40 suitable for create a suction vacuum of at least 15 kPa between inlet A and outlet M.
• the portable vacuum cleaner apparatus may also include check valves on the various tanks and various other useful accessories.
• the sides 69, 70, of the apparatus 100, on either side of the handle 5, are concave, so that they can be wedged onto a hip. user, for example, that it is right-handed or left-handed, especially when the device is worn over the shoulder.
• These concave sides may also consist of side flanges in the form of plates attached to the shell 15. They can also be designed flowing so as to use them as a skein for winding the power cable of the device , or hoses, or the like.
• the portable vacuum cleaner apparatus may comprise, in addition, a nozzle 38 provided with a scraper member useful for cleaning the panes. Such a scraping member is shown in FIGS. 9 to 11.
• the scraper member is shown in section in FIG. 10 and comprises three components:
• the scraper portion 29 comprises an anti-drip device formed by a set of grooves 34 oriented in the direction of the suction flow, that is to say in a direction perpendicular to the scraping edge 33 of the scraper.
• the scraper portion 29 is preferably made of flexible plastic and comprises, as shown in FIG. 9, a scraping edge 33 shaped like a V and grooves 34 that can be in the form of a half-cylinder or a V-shape. Under the effect the capillarity of the liquids, the gravity and the suction these grooves guide the water to the source of suction during the scraping. This anti-drip device is particularly effective in the window squeegee application.
• a bead 35 inserted in a groove 36 keeps the scraping portion 29 in its support 30.
• the support 30 having the groove 36 is shown in FIG.
• the inlet of the suction behind the scraping portion 29 has a conical shape towards the center to allow a regular suction over the entire length.
• the space 32 between the scraping portion 29 and the inlet of the suction is minimized to increase the depression and thus the suction power.
• a partition 64 separates a steam supply channel 65 towards the scraper portion 29, and a suction channel 66 towards the nozzle 38.
• a droplet trap 26 water 62 equips the end of the channel 65, to prevent any return, at the zone 63 steam outlet.
• the apparatus 100 comprises a device automatically triggering the suction when the steam generation stops, to prevent the drop of water drops on the ground in the work area.

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• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Chemical & Material Sciences (AREA)
• Physics & Mathematics (AREA)
• Sustainable Development (AREA)
• Sustainable Energy (AREA)
• Life Sciences & Earth Sciences (AREA)
• Thermal Sciences (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Nozzles For Electric Vacuum Cleaners (AREA)
• Cleaning By Liquid Or Steam (AREA)
• Insulators (AREA)

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• 2006
  • 2006-12-01 FR FR0610563A patent/FR2909275B1/fr not_active Expired - Fee Related
• 2007
  • 2007-11-29 EP EP07858756A patent/EP2104447A2/de not_active Withdrawn
  • 2007-11-29 WO PCT/FR2007/052423 patent/WO2008065313A2/fr active Application Filing
  • 2007-11-29 US US12/517,147 patent/US8407850B2/en not_active Expired - Fee Related
  • 2007-11-29 CN CN200780050553.6A patent/CN101677727B/zh not_active Expired - Fee Related

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