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EP3267868B1 - Système portatif de nettoyage à recyclage/réutilisation de liquide pour les sols durs - Google Patents

Système portatif de nettoyage à recyclage/réutilisation de liquide pour les sols durs Download PDF

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Publication number
EP3267868B1
EP3267868B1 EP16745496.6A EP16745496A EP3267868B1 EP 3267868 B1 EP3267868 B1 EP 3267868B1 EP 16745496 A EP16745496 A EP 16745496A EP 3267868 B1 EP3267868 B1 EP 3267868B1
Authority
EP
European Patent Office
Prior art keywords
liquid
cleaning liquid
recovery tank
vacuum recovery
bucket
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
EP16745496.6A
Other languages
German (de)
English (en)
Other versions
EP3267868A1 (fr
Inventor
Robert S. Robinson
Robert G. ROBINSON
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.)
kaivac Inc
Original Assignee
kaivac Inc
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Filing date
Publication date
Application filed by kaivac Inc filed Critical kaivac Inc
Publication of EP3267868A1 publication Critical patent/EP3267868A1/fr
Application granted granted Critical
Publication of EP3267868B1 publication Critical patent/EP3267868B1/fr
Active legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/225—Convertible suction cleaners, i.e. convertible between different types thereof, e.g. from upright suction cleaners to sledge-type suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/365—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the vertical type, e.g. tank or bucket type
    • 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
    • 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
    • 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

Definitions

  • This invention relates to portable machines for cleaning hard surface flooring, and more particularly, to portable machines for cleaning hard surface flooring in which cleaning liquid is recycled and reused.
  • Gray water is a term used to describe the relatively clean waste water from sinks, showers, baths, dish washing machines, clothes washing machines, and the like - things that are found in many residential, commercial, industrial, and institutional buildings.
  • gray water in cleaning has been proposed. This might include using gray water by itself or in combination with other cleaning chemicals. It also might include using gray water with various cleaning machines or other cleaning equipment. Another way to conserve water in the cleaning process is to recycle and reuse cleaning water - either potable water or gray water.
  • WO 2013/019823 discloses a portable cleaning system which does not allow for reuse of cleaning liquid.
  • the cleaning system may include a trolley bucket assembly, a vacuum recovery tank positioned on the trolley bucket assembly, and a vacuum motor assembly fluidly connected to the vacuum recovery tank.
  • the trolley bucket assembly may include: a bucket operable to hold cleaning liquid; a wheeled chassis; and a spigot fluidly connected to the bucket, the spigot including a valve that is adjustable throughout a range from a fully open position to a fully closed position, whereby when the bucket contains cleaning liquid, a user may dispense and regulate the flow of cleaning liquid from the bucket through the spigot by manually adjusting the spigot.
  • the vacuum recovery tank may be operable to hold cleaning liquid and soil, and the vacuum recovery tank may include a bottom wall, a vacuum recovery inlet, and a cleaning liquid transfer outlet through which cleaning liquid from the vacuum recovery tank may be transferred to the bucket for reuse.
  • the vacuum recovery tank bottom wall may include an interior surface; and the cleaning liquid transfer outlet may include a cleaning liquid entry opening through which cleaning liquid from the vacuum recovery tank may enter the cleaning liquid transfer outlet.
  • the cleaning liquid entry opening of the cleaning liquid transfer outlet may be positioned above at least a portion of the vacuum recovery tank bottom wall interior surface, thereby inhibiting soil that settles on the portion of the vacuum recovery tank bottom wall interior surface from passing through the vacuum recovery tank cleaning liquid transfer outlet.
  • a user may dispense cleaning liquid from the bucket through the spigot onto hard surface flooring, may vacuum dispensed cleaning liquid and soil from hard surface flooring through the vacuum recovery inlet into the vacuum recovery tank, may transfer recovered cleaning liquid from the vacuum recovery tank through the cleaning liquid transfer outlet to the bucket for reuse, and may dispense transferred cleaning liquid from the bucket through the spigot onto hard surface flooring.
  • Another aspect of the invention is directed to a method of cleaning hard surface flooring with a portable liquid-recycling liquid-reusing cleaning system.
  • the method may include: providing a portable liquid-recycling liquid-reusing cleaning system (such as, for example, the cleaning system described above); filling at least a portion of the bucket with a cleaning liquid; dispensing at least a portion of the cleaning liquid from the bucket onto hard surface flooring via the spigot by manually adjusting the spigot; vacuuming soil and at least some of the portion of the dispensed cleaning liquid from the hard surface flooring into the vacuum recovery tank via the vacuum recovery inlet, thereby removing soil and recovering cleaning liquid from hard surface flooring; and transferring at least a portion of the recovered cleaning liquid from the vacuum recovery tank into the bucket via the cleaning liquid transfer outlet.
  • a portable liquid-recycling liquid-reusing cleaning system such as, for example, the cleaning system described above
  • the portable floor care system embodiment 10 has a trolley bucket assembly 12, a handle in the form of a four-bend handle 14, a vacuum recovery tank assembly 16, and a vacuum motor head assembly 18 fluidly connected to the vacuum recovery tank assembly.
  • the trolley bucket assembly 12 has a bucket 24 operable to hold cleaning liquid, a wheeled chassis 26, and a spigot 62 fluidly connected to the bucket 24.
  • the spigot has a valve that is adjustable throughout a range from a fully open position to a fully closed position, whereby when the bucket contains cleaning liquid, a user may dispense and regulate the flow of cleaning liquid from the bucket through the spigot by manually adjusting the spigot.
  • the vacuum recovery tank assembly 16 has a vacuum recovery tank 80 positioned on the trolley bucket assembly 12.
  • the vacuum recovery tank is operable to hold cleaning liquid and soil.
  • the vacuum recovery tank has a bottom wall 86, a vacuum recovery inlet 98, and a cleaning liquid transfer outlet 99 through which cleaning liquid from the vacuum recovery tank may be transferred to the bucket 24 for reuse.
  • the bottom wall 86 has an interior surface 87.
  • the cleaning liquid transfer outlet 99 has a cleaning liquid entry opening 101 through which cleaning liquid from the vacuum recovery tank 80 enters the cleaning liquid transfer outlet 99.
  • a vacuum motor assembly 112 is fluidly connected to the vacuum recovery tank 80.
  • the cleaning liquid entry opening 101 of the cleaning liquid transfer outlet 99 is positioned above at least a portion of the vacuum recovery tank bottom wall interior surface 87, thereby inhibiting soil that settles on the portion of the vacuum recovery tank bottom wall interior surface 87 from passing through the vacuum recovery tank cleaning liquid transfer outlet 99.
  • a user may dispense cleaning liquid from the bucket 24 through the spigot 62 onto hard surface flooring, may vacuum dispensed cleaning liquid and soil from hard surface flooring through the vacuum recovery inlet 98 into the vacuum recovery tank 80, may transfer recovered cleaning liquid from the vacuum recovery tank 80 through the cleaning liquid transfer outlet 99 to the bucket 24 for reuse, and may dispense transferred cleaning liquid from the bucket 24 through the spigot 62 onto hard surface flooring.
  • the trolley bucket assembly 12 has a bucket 24 and a wheeled chassis 26 integral with the bucket.
  • the bucket has a circumferential sidewall 28, a bottom wall 30, and an upper end 32 - with the circumferential sidewall including a front wall 34, a back wall 36, a left sidewall 38, and a right sidewall 40.
  • the bucket defines an interior space, and the bucket upper end defines an opening - with the bucket capable of holding a cleaning liquid (e.g., water or another cleaning liquid or solution).
  • the wheeled chassis has four wheels - two swivel casters at the front (as at 42), and two fixed-axle wheels at the back (as at 44).
  • the wheeled chassis includes a reinforced post or leg 45 at the front lower-left corner, and a reinforced post or leg 47 at the front lower-right corner. Each of these legs includes a cylindrical bore for receiving the post of the corresponding caster.
  • the wheeled chassis includes a wheel frame 49 at the back lower-left corner, and a wheel frame 51 at the back lower-right corner.
  • the bucket 24 further has a top wall 46 at the bucket upper end 32.
  • the top wall is integral with the circumferential sidewall 28, and extends outward away from the circumferential sidewall and bucket interior space.
  • the top wall has a front section 48, a back section 50, a left section 52, and a right section 54 - with each top wall section integral with an adjacent top wall section.
  • the top wall left section has a cylindrical bore 56; and the top wall right section has a cylindrical bore 58.
  • Each of the cylindrical bores has a bottom wall, with the bottom wall including an opening for drainage.
  • One way in which the cylindrical bores 56, 58 may be used is discussed below, in connection with the four-bend handle 14.
  • the trolley bucket assembly 12 further has a spigot assembly 60 at the back of the bucket 24.
  • the spigot assembly includes a spigot 62 and a spigot handle 64 connected to the spigot.
  • the spigot is fluidly connected to the bucket interior space; and the spigot has a valve that facilitates the spigot's ability to dispense and regulate the flow of a cleaning liquid from the reservoir through the spigot.
  • the spigot handle is an elongated member in the form of an elongated rod that extends upward from the spigot.
  • the spigot handle has an upwardly extending section 66 and a horizontal section 68 at the top of the upwardly extending section.
  • a frame 70 extends rearward from the back wall 36 of the bucket; and the upwardly extending section of the spigot handle extends through an opening in the top wall of the frame.
  • the frame includes the top wall (a portion of the back section 50 of the top wall 46 of the bucket 24), a left sidewall 72, and a right sidewall 74.
  • the left sidewall is positioned to the left of the spigot-handle upwardly extending section; and the right sidewall is positioned to the right of the spigot-handle upwardly extending section.
  • the left and right sidewalls extend rearward from the bucket back wall and are integral with the bucket back wall and the frame top wall.
  • a user In use, a user typically operates the spigot handle 64 by grasping the horizontal section 68 and turning the section to the right or to the left.
  • the spigot 62 is manually adjustable through a range from a fully open position to a fully closed position, whereby when the bucket 24 contains a cleaning liquid, a user may dispense and regulate the flow of the cleaning liquid from the bucket through the spigot by manually turning the spigot handle a desired amount to the right or to the left, thereby adjusting the spigot.
  • Various embodiments of the portable liquid-recycling liquid-reusing cleaning system may be configured: (1) so that at least a portion of the cleaning liquid dispensed from the bucket through the spigot flows directly from the spigot onto an area of hard surface flooring; (2) so that all of the cleaning liquid dispensed from the bucket through the spigot flows directly from the spigot onto an area of hard surface flooring; (3) so that at least a portion of the cleaning liquid dispensed from the bucket through the spigot flows indirectly from the spigot onto an area of hard surface flooring; and (4) so that all of the cleaning liquid dispensed from the bucket through the spigot flows indirectly from the spigot onto an area of hard surface flooring.
  • One example of cleaning liquid flowing indirectly from the spigot onto an area of hard surface flooring involves a configuration in which cleaning liquid flows from the spigot to a liquid spreader device or assembly, and from the liquid spreader device or assembly to the hard surface flooring.
  • the vacuum recovery tank assembly 16 includes a vacuum recovery tank 80, four swivel caster wheels (as at 82) at the base of the tank, a dump hose 102 at the front of the tank, two fasteners in the form of hand-operable latches (as at 104) at the base of the tank, and two fasteners in the form of hand-operable latches 106, 108 at the top of the tank.
  • the vacuum recovery tank 80 has a top wall 84, a bottom wall 86, a front wall 88, a back wall 90, a left sidewall (not shown), and a right sidewall 92; and the tank defines an interior space operable to hold liquid and soil (e.g., soil-containing cleaning solution that has been vacuumed up from an area of hard surface flooring).
  • the tank also has a vacuum recovery inlet 98 at a front left portion of the top wall 84, a cleaning liquid transfer outlet 99 at an interior surface 87 of the bottom wall 86, and a dump outlet 100 at a lower portion of the front wall 88.
  • the vacuum recovery inlet, the cleaning liquid transfer outlet, and the dump outlet are fluidly connected to the tank interior space.
  • the tank-assembly dump hose 102 is fluidly connected to the dump outlet 100.
  • the top wall 84 has a circumferential rim 94 that defines a large opening 96.
  • the opening provides a user with access to the tank interior space.
  • the opening also enables the vacuum motor head assembly 18 (discussed in detail below) to be in fluid communication with the tank interior space when a user manually and removably positions (e.g., seats) the assembly 18 on the top wall 84 about the opening 96.
  • two fasteners in the form of hand-operable latches are located at the base of the vacuum recovery tank 80.
  • one of the latches (as at 104) at the base of the tank is located at the tank right sidewall 92, and the other of the latches (not shown) at the base of the tank is located at the tank left sidewall (not shown).
  • a user may manually and removably position the tank on the bucket, and may do so without the use of a tool.
  • a user may manually and releasably connect the tank to the bucket via the hand-operable latches (as at 104), and may do so without the use of a tool.
  • latch 106 at the top of the tank is located at the tank top wall 84 to the right of the large opening 96
  • latch 108 at the top of the tank is located at the tank top wall 84 to the left of the large opening 96.
  • a user may manually and removably position (e.g., seat) the vacuum motor head assembly 18 (discussed in detail below) on the top wall 84 about the opening 96.
  • a user may manually and releasably connect the positioned assembly to the vacuum recovery tank via the hand-operable latches 106, 108, and may do so without the use of a tool.
  • the four bend handle 14 is manually and removably connected to the bucket 24.
  • the bucket has a top wall 46 at the bucket upper end 32.
  • the top wall is integral with the bucket circumferential sidewall 28, extends outward away from the circumferential sidewall and bucket interior space, and has several sections.
  • the top-wall left section 52 has a cylindrical bore 56
  • the top-wall right section 54 has a cylindrical bore 58 - with each of the cylindrical bores having a bottom wall.
  • the four bend handle 14 has a left leg 76 and a right leg 78. In manually and removably connecting the four bend handle to the bucket, the left leg is positioned in the cylindrical bore 56, and the right leg is positioned in the cylindrical bore 58.
  • the vacuum motor head assembly 18 has an outer housing 110, a vacuum motor assembly 112, and an automatic shutoff system in the form of a float shutoff assembly 114.
  • the outer housing has an on/off switch 116, a main handle 118, a steering tab or handle 120, and a power cord 122 for manual and removable connection to a suitable AC electrical cord - for example, an AC electrical cord connectable to a conventional wall outlet.
  • a user may grasp or otherwise exert force on the steering tab to facilitate moving (e.g., pushing or pulling) the portable floor care system 10.
  • the vacuum motor assembly 112 may have any suitable specifications.
  • the vacuum motor assembly may have a vacuum lift of 80 inches of water and an air flow of 60 cubic feet per minute.
  • the vacuum motor assembly may have a vacuum lift of 77 inches of water and an air flow of 62 cubic feet per minute.
  • a DC vacuum motor head assembly may be used - either in place of or interchangeably with the vacuum motor head assembly 18.
  • a DC power supply assembly may be used to power such a DC vacuum motor head assembly.
  • the DC motor of the DC vacuum motor assembly may be a 36 volt DC motor.
  • the DC vacuum motor assembly may have a vacuum lift of 80 inches of water and an air flow of 60 cubic feet per minute.
  • the DC vacuum motor assembly may have a vacuum lift of 77 inches of water and an air flow of 62 cubic feet per minute.
  • the DC power supply assembly may have a rechargeable Lithium-ion battery positioned in a battery box.
  • the Lithium-ion battery may have any suitable specifications.
  • the Lithium-ion battery may be a 36 volt DC battery with a 20 amp hour rating.
  • the DC power supply assembly also may have a fastener in the form of a strap connected to an exterior surface of the battery box. If desired, the strap may have a male snap member and a corresponding female snap member. In use, a user may manually and removably position the DC power supply assembly on the bucket, and may do so without the use of a tool.
  • the fastener assembly may include the strap and the leg 78 of the four bend handle 14.
  • a user may wrap a portion of the strap around the leg 78, and releasably secure the male and female snap members to one another.
  • the portable floor care system embodiment 10 has a vacuum motor assembly 112 and a filter bag 142.
  • the opening or mouth of the filter bag is positioned at the vacuum recovery inlet 98.
  • the embodiment 10 also has a standpipe 144 and a gate valve assembly 146.
  • the standpipe has a "gazeebo" nut 148 at an upper end, with openings (as at 150) defining cleaning liquid entry openings.
  • the gate valve assembly has a gate valve slide gate 152 and a gate valve handle 154.
  • the portable floor care system embodiment 200 has a spigot assembly 156 and a spigot 158.
  • the portable floor care system embodiment 300 has a tube 160, a cleaning liquid transfer hose 162, a cap 164, a strap 166, and a mushroom filter 168.
  • the portable floor care system embodiment 400 has a standpipe 170, a cleaning liquid entry opening 172, a cleaning liquid transfer hose 174, a cap 176, and a strap 178.
  • the portable floor care system embodiment 500 has a tube 180, a cleaning liquid transfer hose 1 82, a pinch valve 164, a strap 166, and a mushroom filter 168.
  • the portable floor care system embodiment 600 has a tube 188, a cleaning liquid entry opening 190, and a plug 192.
  • the portable floor care system embodiment 10 is shown in combination with a squeegee floor tool 194, a vacuum wand 196, and a vacuum hose 198.
  • the portable floor care system embodiment 200 is shown in combination with a liquid spreader assembly 202, a squeegee head assembly 204, a vacuum hose 206, a liquid spreader assembly strap 208, and a squeegee head assembly strap 210.
  • the portable floor care system embodiment 200 is shown in combination with a liquid spreader assembly 202, a squeegee head assembly 204, a vacuum hose 206, a liquid spreader assembly strap 208, and a squeegee head assembly strap 210.
  • the embodiment 200 also has a hitch assembly 212.
  • the liquid spreader assembly 202 has a frame 214, a spreader pad 216, and a pair of connecting arms (as at 218).
  • the squeegee head assembly 204 has a frame assembly 220, a pair of connecting arms 222, 224, and a pair of plow members 226, 228.
  • the means for regulating the flow of cleaning liquid from the vacuum recovery tank to the bucket may include any suitable valve, tube, flexible hose, cap, plug, or combination thereof.
  • a portable liquid-recycling liquid-reusing cleaning system of the present invention does not include a pump to assist in transferring cleaning liquid from the vacuum recovery tank through the cleaning liquid transfer outlet to the bucket. Instead, such a portable cleaning system uses the natural force of gravity to facilitate this transfer. With reference to the Figures, the portable liquid-recycling liquid-reusing cleaning system embodiments shown are free of such a pump.
  • a portable liquid-recycling liquid-reusing cleaning system of the present invention does not include a pump to assist in dispensing cleaning liquid from the bucket through the spigot - either directly or indirectly onto an area of hard surface flooring. Instead, such a portable cleaning system uses the natural force of gravity to facilitate dispensing cleaning liquid from the bucket through the spigot.
  • the portable liquid-recycling liquid-reusing cleaning system embodiments shown are free of such a pump.
  • a portable liquid-recycling liquid-reusing cleaning system of the present invention may be made using any suitable material(s) and manufacturing technique(s).
  • the bucket may be made of polypropylene using injection molding
  • the vacuum recovery tank may be made of polyethylene via rotational molding.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (14)

  1. Système portatif de nettoyage à recyclage/réutilisation de liquide pour sols durs destiné à être utilisé dans le nettoyage de sols durs, comprenant :
    un ensemble chariot-seau (12) comportant :
    un seau (24) servant à contenir un liquide de nettoyage,
    un châssis à roulettes (26) ; et
    un chantepleure (62) connecté fluidiquement au seau (24), le chantepleure (62, 158) comportant un robinet réglable sur une plage allant d'une position entièrement ouverte à une position entièrement fermée, moyennant quoi quand le seau contient un liquide de nettoyage, un utilisateur peut distribuer et réguler le flux de liquide de nettoyage provenant du seau à travers le chantepleure (62) en réglant manuellement le chantepleure (62, 158) ;
    un réservoir de récupération sous vide (80) positionné sur l'ensemble chariot-seau (12), le réservoir de récupération sous vide (80) servant à contenir un liquide de nettoyage et la salissure, le réservoir de récupération sous vide (80) comportant une paroi inférieure (86) et une entrée de récupération sous vide (98), la paroi inférieure de réservoir de récupération sous vide (86) comportant une surface intérieure (87) ; et
    un ensemble moteur à vide (112) connecté fluidiquement au réservoir de récupération sous vide (80) ;
    caractérisé en ce que le réservoir de récupération sous vide (80) comporte une sortie de transfert de liquide de nettoyage (99) à travers laquelle le liquide de nettoyage provenant du réservoir de récupération sous vide (80) peut être transféré au seau (24) en vue de sa réutilisation, la sortie de transfert de liquide de nettoyage (99) comportant une ouverture d'entrée de liquide de nettoyage (101) à travers laquelle le liquide de nettoyage provenant du réservoir de récupération sous vide (80) entre dans la sortie de transfert de liquide de nettoyage (99), l'ouverture d'entrée de liquide de nettoyage (101) de la sortie de transfert de liquide de nettoyage (99) étant positionnée au-dessus au moins d'une partie de la surface intérieure de paroi inférieure de réservoir de récupération sous vide (87), empêchant ainsi la salissure qui se dépose sur la partie de la surface intérieure de paroi inférieure de réservoir de récupération sous vide(87) de passer par la sortie de transfert de liquide de nettoyage de réservoir de récupération sous vide (99) ;
    moyennant quoi un utilisateur peut distribuer le liquide de nettoyage à partir du seau à travers le chantepleure sur un sol dur, peut aspirer le liquide de nettoyage distribué et la salissure sur le sol dur à travers l'entrée de récupération sous vide jusque dans la cuve de récupération sous vide, peut transférer le liquide de nettoyage récupéré du réservoir de récupération sous vide au seau à travers la sortie de transfert de liquide de nettoyage en vue de sa réutilisation, et peut distribuer le liquide de nettoyage transféré à partir du saut à travers le chantepleure sur le sol dur.
  2. Système portatif de nettoyage à recyclage/réutilisation de liquide pour sols durs selon la revendication 1 comportant en outre un moyen de régulation du flux de liquide de nettoyage depuis le réservoir de récupération sous vide (80) jusque dans le seau (24).
  3. Système portatif de nettoyage à recyclage/réutilisation de liquide pour sols durs selon la revendication 2 dans lequel le moyen de régulation du flux de liquide de nettoyage depuis le réservoir de récupération sous vide jusque dans le seau comporte au moins un robinet, un tube, un tuyau souple, un bouchon et/ou un obturateur.
  4. Système portatif de nettoyage à recyclage/réutilisation de liquide pour sols durs selon la revendication 1 ou la revendication 2 dans lequel au moins une partie de la sortie de transfert de liquide de nettoyage (99) se trouve au niveau de la paroi inférieure de réservoir de récupération sous vide (86).
  5. Système portatif de nettoyage à recyclage/réutilisation de liquide pour sols durs selon la revendication 1 ou la revendication 2 dans lequel le réservoir de récupération sous vide comporte une paroi latérale circonférentielle (94), et au moins une partie de la sortie de transfert de liquide de nettoyage (99) est située au niveau de la paroi latérale circonférentielle (94).
  6. Système portatif de nettoyage à recyclage/réutilisation de liquide pour sols durs selon la revendication 1 ou la revendication 2 comportant en outre un tuyau flexible (174, 182) connecté fluidiquement à la sortie de transfert de liquide, le tuyau flexible servant à guider le liquide de nettoyage du réservoir de récupération sous vide (80) jusque dans le seau (24).
  7. Système portatif de nettoyage à recyclage/réutilisation de liquide pour sols durs selon la revendication 2 comportant en outre un outil de sol (194) connecté fluidiquement à l'entrée de récupération sous vide, moyennant quoi la salissure et le liquide de nettoyage distribué peuvent être aspirés sur le sol dur à travers l'outil de sol (194) jusque dans le réservoir de récupération sous vide (80).
  8. Système portatif de nettoyage à recyclage/réutilisation de liquide pour sols durs selon la revendication 2 comportant en outre un ensemble pulvérisateur de liquide (202) et un ensemble tête de raclette (204), l'ensemble tête de raclette (204) étant connecté fluidiquement à l'entrée de récupération sous vide (98), l'ensemble pulvérisateur de liquide (202) servant à pulvériser sur le sol dur le liquide de nettoyage qui est distribué à partir du seau (24) à travers le chantepleure, et l'ensemble tête de raclette (204) servant à aspirer la salissure et le liquide de nettoyage distribué sur le sol dur jusque dans le réservoir de récupération sous vide (80), récupérant aussi le liquide de nettoyage en vue de sa réutilisation.
  9. Système portatif de nettoyage à recyclage/réutilisation de liquide pour sols durs selon la revendication 1 comportant en outre un filtre (142, 168) servant à filtrer le liquide de nettoyage et la salissure aspirés sur le sol dur, le filtre (142, 168) étant positionné dans un trajet d'écoulement de fluide entre l'entrée de récupération sous vide et le seau (24).
  10. Système portatif de nettoyage à recyclage/réutilisation de liquide pour sols durs selon la revendication 1 comportant en outre une poignée de chantepleure (64) raccordée au chantepleure (62), la poignée de chantepleure (64) comprenant un élément allongé s'étendant vers le haut, moyennant quoi un utilisateur peut ajuster manuellement le chantepleure (62) en tournant manuellement la poignée de chantepleure (64).
  11. Système portatif de nettoyage à recyclage/réutilisation de liquide pour sols durs selon la revendication 1 dans lequel le réservoir de récupération sous vide (80) comporte une sortie de drainage (100), et le système portatif de nettoyage à recyclage/réutilisation de liquide comporte en outre un tuyau de drainage (102) connecté fluidiquement à la sortie de drainage (100), moyennant quoi l'utilisateur peut drainer le liquide de nettoyage et la salissure hors du réservoir de récupération sous vide jusque dans un réceptacle ou drain convenable par l'intermédiaire de la sortie de drainage (100) et du tuyau de drainage (102).
  12. Procédé de nettoyage de sols durs avec un système portatif de nettoyage à recyclage/réutilisation de liquide, comprenant :
    la fourniture d'un système portatif de nettoyage à recyclage/réutilisation de liquide, comprenant :
    un ensemble chariot-seau (12) comportant :
    un seau (24) servant à contenir un liquide de nettoyage,
    un châssis à roulettes (26) ; et
    un chantepleure (62) connecté fluidiquement au seau (24), le chantepleure (62, 158) comportant un robinet réglable sur une plage allant d'une position entièrement ouverte à une position entièrement fermée, moyennant quoi quand le seau contient un liquide de nettoyage, un utilisateur peut distribuer et réguler le flux de liquide de nettoyage provenant du seau (24) à travers le chantepleure (62) en réglant manuellement le chantepleure (62, 158) ;
    un réservoir de récupération sous vide (80) positionné sur l'ensemble chariot-seau (12), le réservoir de récupération sous vide (80) servant à contenir un liquide de nettoyage et la salissure, le réservoir de récupération sous vide (80) comportant une paroi inférieure (86) et une entrée de récupération sous vide, la paroi inférieure de réservoir de récupération sous vide (86) comportant une surface intérieure (87) ; et
    un ensemble moteur à vide (112) connecté fluidiquement au réservoir de récupération sous vide (80) ;
    le remplissage d'au moins une partie du seau (12) avec un liquide de nettoyage ;
    la distribution d'au moins une partie du liquide de nettoyage à partir du seau (12) sur un sol dur par l'intermédiaire du chantepleure (62) en réglant manuellement le chantepleure (62) ; et
    l'aspiration de la salissure et d'au moins une certaine partie du liquide de nettoyage distribué sur le sol dur jusque dans le réservoir de récupération sous vide (80) par l'intermédiaire de l'entrée de récupération sous vide (98), éliminant ainsi la salissure du sol dur et récupérant du liquide de nettoyage du sol dur ;
    caractérisé en ce que le réservoir de récupération sous vide (80) comporte une sortie de transfert de liquide de nettoyage (99) à travers laquelle le liquide de nettoyage provenant du réservoir de récupération sous vide (80) peut être transféré dans le seau (24) en vue de sa réutilisation, la sortie de transfert de liquide de nettoyage (99) comportant une ouverture d'entrée de liquide de nettoyage (101) à travers laquelle le liquide de nettoyage provenant du réservoir de récupération sous vide (80) entre dans la sortie de transfert de liquide de nettoyage (99), l'ouverture d'entrée de liquide de nettoyage (101) de la sortie de transfert de liquide de nettoyage (99) étant positionnée au-dessus d'au moins une partie de la surface intérieure de paroi inférieure de réservoir de récupération sous vide (87), empêchant ainsi la salissure qui se dépose sur la partie de la surface intérieure de paroi inférieure de réservoir de récupération sous vide (87) de passer à travers la sortie de transfert de liquide de nettoyage de réservoir de récupération sous vide (99),
    et en ce que le procédé comprend en outre le transfert d'au moins une partie du liquide de nettoyage récupéré du réservoir de récupération sous vide (80) au seau (20) par l'intermédiaire de la sortie de transfert de liquide de nettoyage (99).
  13. Procédé selon la revendication 12 comportant en outre la distribution d'au moins une partie du liquide de nettoyage transféré du seau (24) sur le sol dur par l'intermédiaire du chantepleure (62) en réglant manuellement le chantepleure (62).
  14. Procédé selon la revendication 12 comportant en outre l'attente que la salissure et le liquide de nettoyage aspirés dans le réservoir de récupération sous vide (80) séjournent dans le réservoir de récupération sous vide (80) pendant une période de temps suffisante pour laisser au moins une partie de la salissure se déposer sur la partie de la surface intérieure de paroi inférieure de réservoir de récupération sous vide (87).
EP16745496.6A 2015-03-10 2016-03-10 Système portatif de nettoyage à recyclage/réutilisation de liquide pour les sols durs Active EP3267868B1 (fr)

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US201562130610P 2015-03-10 2015-03-10
PCT/IB2016/000843 WO2016170431A1 (fr) 2015-03-10 2016-03-10 Système portatif de nettoyage à recyclage/réutilisation de liquide pour les sols durs

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AU2020214851B2 (en) * 2019-02-01 2023-02-02 Techtronic Cordless Gp Vacuum cleaner
US11910989B2 (en) * 2021-02-25 2024-02-27 Techtronic Cordless Gp Integrated cyclonic separator in a wet-dry vacuum

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US6425958B1 (en) * 2000-11-13 2002-07-30 Tennant Company All surface cleaner
AU2012201055B2 (en) * 2011-03-01 2014-07-24 Bissell Inc. Lift off deep cleaner
US10786131B2 (en) * 2011-07-31 2020-09-29 Kaivac, Inc. Multi-functional cleaning and floor care system
US10188250B2 (en) * 2012-08-07 2019-01-29 Kärcher North America, Inc. Floor cleaning tool having a mechanically operated pump

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