EP3393322B1 - Appareil portable de nettoyage de surfaces dures - Google Patents

Appareil portable de nettoyage de surfaces dures Download PDF

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Publication number
EP3393322B1
EP3393322B1 EP15816186.9A EP15816186A EP3393322B1 EP 3393322 B1 EP3393322 B1 EP 3393322B1 EP 15816186 A EP15816186 A EP 15816186A EP 3393322 B1 EP3393322 B1 EP 3393322B1
Authority
EP
European Patent Office
Prior art keywords
tank
hard surface
cleaning device
surface cleaning
portable hard
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
EP15816186.9A
Other languages
German (de)
English (en)
Other versions
EP3393322A1 (fr
Inventor
Christian Stewen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Priority to PL15816186T priority Critical patent/PL3393322T3/pl
Publication of EP3393322A1 publication Critical patent/EP3393322A1/fr
Application granted granted Critical
Publication of EP3393322B1 publication Critical patent/EP3393322B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L5/24—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
    • 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
    • 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
    • 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
    • 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
    • A47L9/322—Handles for hand-supported suction cleaners

Definitions

  • the invention relates to a portable hard surface cleaning device for drawing off and sucking off a liquid from a hard surface, in particular a window pane, with a handle and a suction turbine arranged in a housing in relation to an upright position of the hard surface cleaning device above the handle, and with a flow connection with the suction turbine Suction nozzle for sucking up a liquid-air mixture from the hard surface, and with a dirty liquid tank that can be detachably connected to the housing, whereby liquid can be separated from the sucked-up liquid-air mixture and deposited in the dirty liquid tank, and wherein the dirty liquid tank has a first tank area with a tank opening that is in a first tank receptacle compartment of the housing, which is arranged laterally next to the suction turbine, can be inserted.
  • Such a portable hard surface cleaning device is from the WO 2013/143616 A1 known. With its help, a hard surface, in particular a window pane, can be cleaned.
  • the portable hard surface cleaning device has a suction nozzle on which at least one pulling lip is arranged, which can be moved along the hard surface, so that liquid can be drawn off from the hard surface.
  • the liquid collects at a suction opening of the suction nozzle.
  • a suction flow can be achieved, under the effect of which a mixture of liquid and air is sucked into a suction channel of the suction nozzle via the suction opening.
  • a separator is arranged in the flow path between the suction nozzle and the suction turbine, with the aid of which liquid from the sucked up Liquid-air mixture can be separated.
  • the liquid can be collected in a dirty liquid tank, which is held detachably on the housing, and the sucked-in air can be released into the environment as exhaust air by the suction turbine.
  • the dirty liquid tank from the WO 2013/143616 A1 can be used with a first tank area, which has a tank opening, in a side of the suction turbine and offset to the handle arranged first tank receiving compartment of the housing.
  • the suction turbine is arranged above the handle in relation to an upright position of the hard surface cleaning device. This has the advantage that the user can guide the portable hard surface cleaning device with little effort along the hard surface to be cleaned, since the center of gravity of the hard surface cleaning device is arranged above the handle.
  • the exhaust air is from the WO 2013/143616 A1 known portable hard surface cleaning device in the vertical direction through the entire handle and released to the environment via an opening arranged at the free end of the handle.
  • the exhaust air is subject to a not inconsiderable flow resistance, which increases the energy consumption of the hard surface cleaning device.
  • the object of the present invention is to develop a portable hard surface cleaning device of the type mentioned at the outset in such a way that it has a lower energy consumption.
  • suction turbine is in flow connection with the first tank receiving compartment via at least one exhaust air opening and exhaust air can be discharged to the environment via the at least one exhaust air opening and the first tank receiving compartment.
  • the first tank receiving compartment into which a first tank area of the dirty liquid tank can be inserted, also serves as an exhaust air space through which the air sucked in by the suction turbine can be released to the environment.
  • the first tank receiving compartment is in flow connection with the suction turbine via at least one exhaust air opening, so that the exhaust air from the suction turbine can flow through the at least one exhaust air opening into the first tank receiving compartment and can be released from the tank receiving compartment to the surroundings.
  • the exhaust air can flow around the first tank area of the dirty liquid tank within the tank receiving compartment. It has been shown that this can keep the noise level in the exhaust air low.
  • the exhaust air experiences rather little flow losses on its way from the suction turbine to the environment.
  • the portable hard surface cleaning device according to the invention therefore has a lower energy consumption, and a rechargeable battery of the hard surface cleaning device is distinguished by a longer service life.
  • Liquid can be separated from the sucked-up liquid-air mixture.
  • the separation can take place in the suction nozzle, in the housing, in the suction turbine and / or in the dirty liquid tank.
  • a separating device for separating liquid from the sucked-up liquid-air mixture is preferably arranged in the suction nozzle, in the housing, in the area of the suction turbine and / or in the dirty liquid tank.
  • the separating device is arranged in the flow path between a suction opening of the suction nozzle and the at least one exhaust air opening.
  • the separating device is arranged in the flow path between the suction nozzle and the suction turbine.
  • the separating device is advantageously structurally separated from the dirty liquid tank and / or from the suction nozzle.
  • the suction nozzle is advantageously connectable to the housing.
  • the separating device is arranged in a separating chamber.
  • the separation chamber is preferably detachably or non-detachably connected to the housing.
  • the suction nozzle is preferably releasably or non-releasably connected to the separation chamber.
  • the handle can be designed as a separate component which is detachably or non-detachably connected to the housing.
  • the handle is integrally connected to the housing, so that the housing and the handle form a common component, which is preferably made of plastic.
  • the dirty liquid tank can be gripped by the user by hand when the first tank area is inserted into the first tank receiving compartment. This makes it easier for the user to grip the dirty liquid tank and remove it from the first tank storage compartment.
  • a gripping opening is arranged between the handle and the dirty liquid tank, which can be reached by the user when gripping the handle.
  • the user can grasp the handle and reach through the gripping opening with his fingers. The user can also reach through the gripping opening when gripping the dirty liquid tank.
  • the exhaust air can be discharged to the environment on the side of the first tank receiving compartment facing away from the handle. This prevents the user from being affected by the exhaust air.
  • the first tank area within the first tank receiving compartment is preferably surrounded by an annular space, into which the at least one exhaust air opening opens and from which the exhaust air can be discharged to the surroundings via at least one air outlet opening.
  • the annular space within the first tank receiving compartment extends in the circumferential direction around the first tank area.
  • the exhaust air from the suction turbine can reach the annular space via the at least one exhaust air opening.
  • the exhaust air opening can then flow around the first tank area at least partially in the circumferential direction, in order then to be released to the surroundings, preferably on the side facing away from the handle.
  • the at least one air outlet opening is arranged between an end wall of the housing and a tank wall of the dirty liquid tank.
  • a free space thus extends between the tank wall and the end wall of the housing, which space forms the at least one air outlet opening and enables the exhaust air to flow out of the annular space.
  • the dirty liquid tank has a recess on its front side facing away from the handle, which depression adjoins the at least one air outlet opening.
  • the exhaust air flowing out of the annular space of the first tank receiving compartment can flow outside the dirty liquid tank along its depression. This results in a further reduction in flow losses of the exhaust air, since this does not undergo any strong changes in direction when flowing out of the annular space.
  • the exhaust air flowing into the annular space via the at least one exhaust air opening preferably has a tangential directional component in relation to the central axis of the annulus.
  • the exhaust air is thus fed to the annular space in a flow direction, which allows the exhaust air with low flow losses to at least partially flow through the annular space.
  • the flow direction of the exhaust air flowing out of the annular space via the at least one air outlet opening preferably has an axial directional component with respect to the central axis of the annular space.
  • the exhaust air flowing out of the annular space advantageously flows at least partially along the outside of the dirty liquid tank facing away from the handle.
  • the suction turbine is separated from the first tank receiving area by a partition which has the at least one exhaust air opening.
  • the dividing wall separates a turbine space accommodating the suction turbine from the first tank accommodating compartment, and the at least one exhaust air opening enables the exhaust air to pass from the turbine compartment into the first tank accommodating compartment.
  • the housing of the portable hard surface cleaning device has two housing half-shells, with only one of the two housing half-shells forming the at least one exhaust air opening, via which the turbine chamber receiving the suction turbine is in flow connection with the first tank receiving compartment.
  • the at least one exhaust air opening is arranged offset to a central plane of the hard surface cleaning device, the central plane being defined by the parting line between the two housing half-shells.
  • the first tank area has a filler neck.
  • the free end of the filler neck defines the tank opening through which the dirty liquid tank with liquid can be filled, which was separated by the separating device from the sucked-up liquid-air mixture.
  • the separating device is advantageously arranged in a separating chamber formed by the housing, from which the dirty liquid tank is structurally separated.
  • the separating chamber is located upstream of the suction turbine.
  • the separation chamber is preferably connected to the suction turbine via an air outlet opening and to the dirty liquid tank via a liquid outlet opening.
  • liquid outlet opening is arranged on an outlet funnel that opens into the first tank-receiving compartment.
  • a filling device can be positioned at the end of the outlet funnel facing away from the separation chamber, via which the liquid can be fed to the dirty liquid tank.
  • the filling device has a filler pipe which dips into the dirty liquid tank, and a vent pipe which is arranged parallel to the filler pipe. Air in the tank can flow out of the tank via the ventilation pipe when filling the dirty liquid tank.
  • the dirty liquid tank has a second tank area which is arranged at a distance from the first tank area and which can be positioned on an end area of the handle facing away from the suction turbine. With its second tank area, the dirty liquid container can thus be supported on the handle.
  • the housing of the portable hard surface cleaning device is in an advantageous embodiment of the invention, on the end region of the handle facing away from the suction turbine, it is designed as a second tank receiving compartment into which the second tank region of the dirty liquid tank can be inserted.
  • the dirty liquid tank can thus be held particularly reliably on the housing. With its first tank area, the dirty liquid tank can be inserted into the first tank receiving compartment arranged directly adjacent to the suction turbine, and with its second tank area the dirty liquid tank can be inserted into the second tank receiving compartment, which is arranged at the end of the handle facing away from the suction turbine.
  • the second tank area of the dirty liquid tank is arranged at the end of the dirty liquid tank that faces away from the first tank area.
  • the second tank area preferably forms a tank extension facing the handle.
  • the tank extension enlarges the tank interior, which can be filled with liquid, and plunges into the second tank storage compartment.
  • latching elements complementary to one another can be arranged on the second tank area and on the second tank receiving compartment.
  • the latching elements can be designed, for example, in the form of latching depressions or latching recesses and latching projections or latching hooks which dip into and / or engage behind them.
  • the second tank receiving compartment has a bottom wall with at least one latching element which interacts with a complementarily designed latching element of the dirty liquid tank.
  • the bottom wall of the second tank receiving compartment has two latching elements which are arranged at a distance from one another and each interact with a complementarily designed latching element of the dirty liquid tank.
  • the housing of the portable hard surface cleaning device has two housing half-shells, which together form the second tank receiving compartment and each define a partial area of the bottom wall of the second tank receiving compartment, wherein a locking element is arranged in each partial area, which has a complementary locking element of the dirty liquid tank cooperates.
  • the at least one locking element of the bottom wall of the second tank receiving compartment preferably has a locking projection, and the complementary locking element of the dirty liquid tank is advantageously designed as a locking recess.
  • the dirty liquid tank can be designed to be elastically deformable at least in some areas, so that it deforms elastically when inserted into the second tank receiving compartment, and a latching connection between the second tank receiving compartment and the second tank area is achieved by means of mutually associated latching elements.
  • the second tank receiving compartment is designed to be elastically deformable and, when the second tank region is inserted into the second tank receiving compartment, deforms elastically at least in regions, with the formation of a latching connection.
  • the second tank receptacle preferably has a bottom wall which forms at least one spring element which acts on the second tank area with a spring force when the second tank area is inserted into the second tank receptacle.
  • the at least one spring element is preferably designed as a spring tongue.
  • the spring element carries a locking element, in particular a locking projection or a locking receptacle, the locking element interacting with a complementary locking element of the second tank area.
  • the second tank area has a stop surface which can be pressed against a stop collar of the second tank receiving compartment under the action of a spring force.
  • the stop surface can be designed, for example, in the form of a step which is pressed against the stop collar when the second tank region is positioned in the second tank receiving compartment.
  • the stop collar is expediently arranged on a ceiling wall of the second tank receiving compartment, and the stop surface of the second tank region is preferably arranged on an upper side of the second tank region, the second tank region being insertable into the second tank receiving compartment with elastic deformation of at least one spring element of a bottom wall of the second tank receiving compartment its stop surface, in particular with a step arranged on the top of the second tank area, can be pressed against the stop collar.
  • the at least one elastically deformable spring element of the bottom wall of the second tank receiving compartment exerts on the second tank area a spring force oriented in the direction of the stop collar, under the effect of which the stop surface, in particular a step of the second tank area arranged on the top side, exerts on the stop collar is pressed.
  • the hard surface cleaning device according to the invention preferably forms a portable window cleaning device which advantageously has a rechargeable battery. It is advantageous if the battery is arranged in the handle together with control, switching and charging electronics.
  • control, switching and charging electronics and the rechargeable battery are arranged on a common circuit board.
  • the drawing schematically shows an advantageous embodiment of a portable hard surface cleaning device according to the invention, which is denoted overall by reference number 10.
  • a portable hard surface cleaning device With the help of the portable hard surface cleaning device 10, liquid can be drawn off and sucked up from a hard surface, in particular from a window pane. Mirror surfaces or tiled walls can also be cleaned using the portable hard surface cleaning device 10.
  • the hard surface cleaning device 10 can be moved along the hard surface by the user in the manner of a manual window puller.
  • the hard surface cleaning device 10 forms a portable window cleaning device.
  • the hard surface cleaning device 10 comprises a housing 12, which is formed by a first housing half-shell 14 and a second housing half-shell 16.
  • the portable hard surface cleaning device 10 has a suction nozzle 18 and a dirty liquid tank 20 which can be detachably connected to the housing 12.
  • a suction turbine 22 and an electric motor 24 which can be driven to rotate the suction turbine 22 are arranged in the housing 12.
  • the housing 12 forms a separating chamber 26, in which a separating device 28 is arranged.
  • the separating device 28 comprises a flat baffle plate 30 and a curved baffle wall 32.
  • the curved baffle wall 32 covers a turbine inlet line 34 which dips into the separating chamber 26 and via which suction air can be fed to the suction turbine 22.
  • the suction nozzle 18 has a suction channel 36, which extends from a suction opening 38 of the suction nozzle 18 to a suction channel outlet 40, on which the baffle plate 30 is held, the baffle plate 30 being at a distance from the suction channel outlet 40 and being immersed in the separation chamber 26.
  • a first flexible pull-off lip 42 and a second flexible pull-off lip 44 are held at the suction opening 38.
  • the housing 12 On the side facing away from the turbine inlet line 34, the housing 12 forms a suction channel receiving shaft 46, into which a suction channel end section 48 of the suction nozzle 18 can be inserted.
  • the suction channel end section 48 forms the suction channel outlet 40 and carries the baffle plate 30 at its end facing away from the flexible pulling lips 42, 44.
  • the suction turbine 22 is arranged in a turbine space 50 formed by the housing 12, which is separated from the separation chamber 26 by means of a first partition 52.
  • the first partition 52 is penetrated by the turbine inlet line 34, which dips into the separation chamber 26.
  • the turbine inlet line 34 is surrounded by a sealing ring 54, with the aid of which it is ensured that liquid from the separation chamber 26 cannot inadvertently reach the suction turbine 22 along the outside of the turbine inlet line 34.
  • the turbine space 50 is delimited by a second partition 56 formed by the housing 12.
  • the suction turbine 22 is arranged between the first partition 52 and the second partition 56, and the electric motor 24 is arranged on the side of the second partition 56 facing away from the suction turbine 22 in a drive chamber 58 of the housing 12.
  • a motor shaft 60 of the electric motor 24 passes through the second partition 56 and is connected to the suction turbine 22 in a rotationally fixed manner.
  • a rechargeable battery 62 and control, switching and charging electronics 64 are positioned in the drive chamber 58.
  • the control, switching and charging electronics 64 cooperate with an actuating element 66, which in the exemplary embodiment shown as The pressure switch is designed to switch the electric motor 24 on and off.
  • the control, switching and charging electronics control the speed of the electric motor 24 and also the charging process of the battery 62.
  • the control, switching and charging electronics 64 are on together with the battery 62 a common circuit board 68 which is positioned in the drive chamber 58.
  • the housing 12 forms a handle 70 of the portable hard surface cleaning device 10, which can be gripped by the user by hand.
  • the drive chamber 58 is positioned in the handle 70.
  • the separation chamber 26 has a liquid outlet 72, which is formed by an outlet funnel 74.
  • the outlet funnel 74 opens into a first tank receiving compartment 76, which is defined by the housing 12 and is arranged directly adjacent to the suction turbine 22.
  • the turbine chamber 50 is separated from the first tank receiving compartment 76 by means of a third partition wall 78 which is formed transversely to the first partition wall 52 and transversely to the second partition wall 56.
  • the third partition 78 has three exhaust openings 80, 82, 84 which are formed by the second housing half-shell 16, whereas the first housing half-shell 14 does not form any such exhaust openings. Via the exhaust air openings 80, 82, 84, the exhaust air of the suction turbine 22 can flow from the turbine space 50 into the first tank receiving compartment 76.
  • the housing 12 forms a second tank receiving compartment 86.
  • the second tank storage compartment 86 has a bottom wall 88, a top wall 90 and first and second side walls which connect the bottom wall 88 to the top wall 90 in one piece.
  • the first side wall 92 is formed by the first housing half-shell 14, and the second side wall 94 is formed by the second housing half-shell 16.
  • the second tank compartment has 86 has an end wall 96 which delimits the second tank storage compartment 86 in the direction of the handle 70.
  • the dirty liquid tank 20 has a first tank area 98, which can be inserted into the first tank receiving compartment 76, and a second tank area 100, which can be inserted into the second tank receiving compartment 86.
  • the first tank area 98 has a filler neck 102 which defines at its free end a tank opening 104 through which the dirty liquid tank 20 can be filled with liquid which is separated from the sucked-in liquid-air mixture in the separation chamber 26.
  • the filler neck 102 receives a filling device 106, which dips into the dirty liquid tank 20 and comprises a filler pipe 108 and a ventilation pipe 110.
  • the vent pipe 110 runs parallel to the filler pipe 108, with its end facing away from the dirty liquid tank 20 projecting beyond the filler pipe 108 and immersed in the outlet funnel 74.
  • the filling device 106 has a filling trough 112, which can be placed on the tank opening 104 of the filler neck 102 and surrounds the outlet funnel 74 in the circumferential direction in a liquid-tight manner with the interposition of a sealing element 114.
  • the filler pipe 108 connects to the filler pan 112 on the side facing away from the outlet funnel 74.
  • the first tank area 98 is surrounded by an annular space 116, to which the exhaust air from the suction turbine 22 can be supplied via the exhaust air openings 80, 82, 84 and from which the exhaust air can escape to the surroundings via an air outlet opening 118.
  • the air outlet opening 118 is arranged on the side of the first tank receiving compartment 76 facing away from the handle 70 and is delimited on the one hand by the first tank area 98 and on the other hand by an end wall 120 of the housing 12.
  • a recess 122 of the dirty liquid tank 20 adjoins the air outlet opening 118, which recess faces away from the handle 70 End wall 124 of the dirty liquid tank 20 is molded. This is particularly evident from the Figures 2 and 4th clear.
  • the second tank area 100 is designed as a tank extension 126 on the rear, which dips into the second tank storage compartment 86 and has a step 128 on its upper side facing the ceiling wall 90 of the second tank storage compartment 86, which step forms an abutment surface 130.
  • the stop surface 130 bears against a stop collar 132 of the second tank receiving compartment 86.
  • the stop collar 132 is formed by an edge of the ceiling wall 90.
  • the bottom wall 88 of the second tank receiving compartment 86 has a first bottom wall section 134 formed by the first housing half-shell 14 and a second bottom wall section 136 formed by the second housing half-shell 16.
  • a recess 138 in the bottom wall 88 extends between the first bottom wall section 134 and the second bottom wall section 136 Figure 4 clear.
  • the first bottom wall section 134 forms a first spring tongue 140 which, with the exception of its end region 142 facing the end wall 96, is surrounded by a first through slot 144, so that the first spring tongue 140 can be elastically deformed relative to the remaining area of the first bottom wall section 134.
  • the first spring tongue 140 On its free end facing away from the end wall 96, the first spring tongue 140 carries a first latching projection 146.
  • the second bottom wall section 136 forms a second spring tongue 148 which, with the exception of its end region 150 facing the end wall 96, is surrounded by a second through slot 152, so that the second spring tongue 148 can be elastically deformed relative to the remaining region of the second bottom wall section 136.
  • the second spring tongue 148 At its free end facing away from the end wall 96, the second spring tongue 148 carries a second latching projection, which is not shown in the drawing and is identical to the first latching projection 146.
  • the second tank area 100 has on its underside facing the first bottom wall section 134 a first tank recess 154, and facing the second bottom wall section 136 the second tank section 100 has a second tank recess 156. If the second tank area 100 is inserted into the second tank receiving compartment 86, the first tank molding 154 slides along the first bottom wall section 134 and the second tank molding 156 slides along the second bottom wall section 136.
  • a first latching recess 158 is arranged in the first tank recess 154, which cooperates with the first latching projection 146 of the first spring tongue 140, and a second latching recess 160 is arranged in the second tank recess 156, which cooperates with the second latching projection arranged on the free of the second spring tongue 148 .
  • the second tank area 100 can be releasably latched to the second tank receiving compartment 86 by means of the latching depressions and latching projections.
  • the second tank area 100 is subjected to a spring force in the direction of the ceiling wall 90, under the action of which the stop surface 130 is pressed against the stop collar 132.
  • the second tank area 100 is thereby reliably held in the second tank holding compartment 86 and can be easily removed from the second tank holding compartment 86 by the user if required.
  • the portable hard surface cleaning device 10 can be moved along the hard surface to be cleaned in the manner of a manual window puller, with liquid located on the hard surface collecting at the suction opening 38. Under the action of the suction flow generated by the suction turbine 22, the liquid can be sucked up together with suction air from the hard surface. The mixture of liquid and suction air flows through the suction channel 36. The liquid can be separated from the sucked-in air within the separation chamber 26. The suction air can then be sucked out of the separation chamber 26 via the turbine inlet line 34 and from the suction turbine 22 via the exhaust air openings 80, 82, 84 and the annular space 116 are released to the environment.
  • the flow direction of the exhaust air has a tangential directional component with respect to the central axis 162 of the annular space 116 when it flows into the annular space 116, which is defined by the central axis of the outlet funnel 74 and the filler neck 102 aligned with the outlet funnel 74.
  • the exhaust air When flowing out of the annular space 116, the exhaust air has an axial directional component with respect to the central axis 162 and flows outside the dirty liquid tank 20 in the region of the depression 122 along its end wall 124 without the user being affected thereby.
  • the liquid separated within the separating chamber 26 can reach the dirty liquid tank 20 via the outlet funnel 74, the filling trough 112 and the filling pipe 108.
  • the dirty liquid tank 20 can be separated from the housing 12 for emptying.
  • the user can grasp the dirty liquid tank 20 by hand and first remove the second tank area 100 from the second tank storage compartment 86 and then the first tank area 98 from the first tank storage compartment 76.
  • the user can then separate the filling device 106 from the dirty liquid tank 20 and empty it.
  • the user can reconnect the filling device 106 to the dirty liquid tank 20 and then fix it again to the housing 12, first inserting the first tank area 98 into the first tank receiving compartment 76 and then inserting the second tank area 100 into the second tank receiving compartment 86.
  • the filling trough 112 of the filling device 106 assumes a position on the outlet funnel 74, with the sealing element 114 ensuring a liquid-tight connection between the outlet funnel 74 and the filling trough 112.
  • the provision of the latching connection between the second tank area 100 and the second tank receiving compartment 86 and the abutment of the stop surface 130 on the stop collar 132 ensures that the dirty liquid tank 20 is reliably held on the housing.
  • the portable hard surface cleaning device 10 has a gripping opening 164 between the handle 70 and the dirty liquid tank 20, which the user can grip through with his fingers . This facilitates the handling of the hard surface cleaning device 10.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Claims (18)

  1. Appareil portable de nettoyage de surfaces dures destiné à retirer et à aspirer un liquide d'une surface dure, en particulier d'une vitre de fenêtre, avec une poignée (70) et une turbine d'aspiration (22) disposée dans un carter au-dessus de la poignée (70) par rapport à une position verticale de l'appareil de nettoyage de surfaces dures (10), et avec une buse d'aspiration (18) en liaison fluidique avec la turbine d'aspiration (22) pour l'aspiration d'un mélange d'air et de liquide de la surface dure, et avec un réservoir de liquide sale (20) pouvant être relié de manière détachable au carter (12), dans lequel le liquide peut être séparé du mélange d'air et de liquide aspiré et peut être déposé dans le réservoir de liquide sale, et dans lequel le réservoir de liquide sale présente une première zone de réservoir (98), avec une ouverture de réservoir (104), qui peut être insérée dans un premier compartiment de logement de réservoir (76) du carter (12) disposé latéralement à côté de la turbine d'aspiration (22) de manière décalée par rapport à la poignée (70), caractérisé en ce que la turbine d'aspiration (22) est en liaison fluidique avec le premier compartiment de logement de réservoir (76) par l'intermédiaire d'au moins une ouverture pour l'air sortant (80, 82, 84) et l'air sortant peut être rejeté dans l'environnement par l'intermédiaire de l'au moins une ouverture pour l'air sortant (80, 82, 84) et du premier compartiment de logement de réservoir (76).
  2. Appareil portable de nettoyage de surfaces dures selon la revendication 1, caractérisé en ce qu'un dispositif de séparation (28) destiné à séparer le liquide du mélange d'air et de liquide aspiré est disposé dans la buse d'aspiration (18), dans le carter (12), dans la zone de la turbine d'aspiration (22) et/ou dans le réservoir de liquide sale (20).
  3. Appareil portable de nettoyage de surfaces dures selon la revendication 2, caractérisé en ce que le dispositif de séparation (28) est disposé dans le trajet d'écoulement entre une ouverture d'aspiration de la buse d'aspiration (18) et l'au moins une ouverture pour l'air sortant (80, 82, 84).
  4. Appareil portable de nettoyage de surfaces dures selon la revendication 3, caractérisé en ce que le dispositif de séparation (28) est disposé dans le trajet d'écoulement entre la buse d'aspiration (18) et la turbine d'aspiration (22).
  5. Appareil portable de nettoyage de surfaces dures selon l'une quelconque des revendications précédentes, caractérisé en ce que l'air sortant sur la face du premier compartiment de logement de réservoir (76) opposée à la poignée (70) peut être rejeté dans l'environnement.
  6. Appareil portable de nettoyage de surfaces dures selon l'une quelconque des revendications précédentes, caractérisé en ce que la première zone de réservoir (98) à l'intérieur du premier compartiment de logement de réservoir (76) est entourée par un espace annulaire (116), dans lequel débouche l'au moins une ouverture pour l'air sortant (80, 82, 84) et duquel l'air sortant peut être rejeté dans l'environnement par l'intermédiaire d'au moins une ouverture de sortie d'air (118).
  7. Appareil portable de nettoyage de surfaces dures selon la revendication 6, caractérisé en ce que l'au moins une ouverture de sortie d'air (118) est disposée entre une paroi frontale du carter (120) et une paroi de réservoir (124) du réservoir de liquide sale (20).
  8. Appareil portable de nettoyage de surfaces dures selon la revendication 7, caractérisé en ce que le réservoir de liquide sale (20) présente sur sa face opposée à la poignée (70) un évidement (122), qui se raccorde à l'au moins une ouverture de sortie d'air (118) .
  9. Appareil portable de nettoyage de surfaces dures selon l'une quelconque des revendications 6 à 8, caractérisé en ce que la direction d'écoulement de l'air sortant affluant dans l'espace annulaire (116) par l'au moins une ouverture pour l'air sortant (80, 82, 84) présente une composante de direction tangentielle.
  10. Appareil portable de nettoyage de surfaces dures selon l'une quelconque des revendications 6 à 9, caractérisé en ce que la direction d'écoulement de l'air sortant s'écoulant de l'espace annulaire (116) par l'au moins une ouverture de sortie d'air (118) présente une composante de direction axiale.
  11. Appareil portable de nettoyage de surfaces dures selon l'une quelconque des revendications précédentes, caractérisé en ce que la première zone de réservoir (98) présente une tubulure de remplissage (102) .
  12. Appareil portable de nettoyage de surfaces dures selon l'une quelconque des revendications précédentes, caractérisé en ce que le réservoir de liquide sale (20) présente une deuxième zone de réservoir (100), disposée à distance de la première zone de réservoir (98), qui peut être positionnée sur une zone d'extrémité, opposée à la turbine d'aspiration (22), de la poignée (70).
  13. Appareil portable de nettoyage de surfaces dures selon la revendication 12, caractérisé en ce que le carter (12) réalise sur la zone d'extrémité, opposée à la turbine d'aspiration (22), de la poignée (70) un deuxième compartiment de logement de réservoir (86), dans lequel la deuxième zone de réservoir (100) peut être insérée.
  14. Appareil portable de nettoyage de surfaces dures selon la revendication 13, caractérisé en ce que la deuxième zone de réservoir (100) réalise une extension de réservoir (126) tournée vers la poignée (70) .
  15. Appareil portable de nettoyage de surfaces dures selon la revendication 13 ou 14, caractérisé en ce que la deuxième zone de réservoir (100) peut être encliquetée de manière détachable avec le deuxième compartiment de logement de réservoir (86).
  16. Appareil portable de nettoyage de surfaces dures selon la revendication 15, caractérisé en ce que le deuxième compartiment de logement de réservoir (86) présente une paroi de fond (88) avec au moins un élément d'encliquetage, qui coopère avec un élément d'encliquetage, réalisé de manière complémentaire, de la deuxième zone de réservoir (100).
  17. Appareil portable de nettoyage de surfaces dures selon l'une quelconque des revendications 13 à 16, caractérisé en ce qu'au moins une partie de paroi (134, 136) du deuxième compartiment de logement de réservoir (86) et/ou de la deuxième zone de réservoir (100) est déformable élastiquement.
  18. Appareil portable de nettoyage de surfaces dures selon l'une quelconque des revendications 13 à 17, caractérisé en ce que la deuxième zone de réservoir (100) présente une surface de butée (130), qui peut être pressée contre une collerette de butée (132) du deuxième compartiment de logement de réservoir (86) sous l'action d'une force de ressort.
EP15816186.9A 2015-12-21 2015-12-21 Appareil portable de nettoyage de surfaces dures Active EP3393322B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15816186T PL3393322T3 (pl) 2015-12-21 2015-12-21 Przenośne urządzenie do czyszczenia twardych powierzchni

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/080889 WO2017108090A1 (fr) 2015-12-21 2015-12-21 Appareil portable de nettoyage de surfaces dures

Publications (2)

Publication Number Publication Date
EP3393322A1 EP3393322A1 (fr) 2018-10-31
EP3393322B1 true EP3393322B1 (fr) 2020-04-08

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Application Number Title Priority Date Filing Date
EP15816186.9A Active EP3393322B1 (fr) 2015-12-21 2015-12-21 Appareil portable de nettoyage de surfaces dures

Country Status (4)

Country Link
EP (1) EP3393322B1 (fr)
CN (1) CN108135410B (fr)
PL (1) PL3393322T3 (fr)
WO (1) WO2017108090A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017121208A1 (de) 2017-09-13 2019-03-14 Alfred Kärcher SE & Co. KG Flächenreinigungsgerät
CN111601533A (zh) * 2018-02-26 2020-08-28 阿尔弗雷德·卡赫欧洲两合公司 便携式硬质面清洁器

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Publication number Priority date Publication date Assignee Title
CN1100674A (zh) * 1993-09-23 1995-03-29 W·勒努 玻璃门窗或类似竖直和水平光滑表面的清洗工艺和实施设备
US5652996A (en) * 1995-12-01 1997-08-05 The Hoover Company Hand held cleaner with swiveling nozzle
HK1048728A2 (en) * 2002-02-26 2003-03-28 Hong Kong And China Gas Compan Dust suction device for handheld power tool
CN100423678C (zh) * 2005-11-10 2008-10-08 苏州金莱克家用电器有限公司 吸尘器消音装置
CN100405965C (zh) * 2005-12-23 2008-07-30 苏州金莱克家用电器有限公司 吸尘器的扩散式除尘装置
DE102008004965B3 (de) * 2008-01-11 2009-05-14 Alfred Kärcher Gmbh & Co. Kg Tragbares Hartflächenabsauggerät
CN201234951Y (zh) * 2008-04-30 2009-05-13 华中农业大学 多功能电动门窗玻璃清洗擦拭机
GB2468299B (en) * 2009-03-03 2012-06-20 Dyson Technology Ltd Noise reduction arrangement for a cleaning appliance.
PL3081130T3 (pl) * 2012-03-30 2021-07-12 Alfred Kärcher SE & Co. KG Agregat do odsysania z twardych powierzchni
CN105392401B (zh) * 2013-07-18 2018-05-18 阿尔弗雷德·凯驰两合公司 便携式硬表面清洁器
CN203873703U (zh) * 2014-03-21 2014-10-15 张仙驰 电动喷液擦拭清洁器

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Also Published As

Publication number Publication date
WO2017108090A1 (fr) 2017-06-29
CN108135410A (zh) 2018-06-08
PL3393322T3 (pl) 2020-08-24
EP3393322A1 (fr) 2018-10-31
CN108135410B (zh) 2020-11-27

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