EP1674167B1 - Dispositif de nettoyage de surfaces - Google Patents

Dispositif de nettoyage de surfaces Download PDF

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Publication number
EP1674167B1
EP1674167B1 EP05027828A EP05027828A EP1674167B1 EP 1674167 B1 EP1674167 B1 EP 1674167B1 EP 05027828 A EP05027828 A EP 05027828A EP 05027828 A EP05027828 A EP 05027828A EP 1674167 B1 EP1674167 B1 EP 1674167B1
Authority
EP
European Patent Office
Prior art keywords
cleaning device
surface cleaning
cleaned
nozzle
pressure pump
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.)
Not-in-force
Application number
EP05027828A
Other languages
German (de)
English (en)
Other versions
EP1674167A1 (fr
Inventor
Felix Treitz
Hendrik Dr. Rust
Harald Mayer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP1674167A1 publication Critical patent/EP1674167A1/fr
Application granted granted Critical
Publication of EP1674167B1 publication Critical patent/EP1674167B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor

Definitions

  • the invention relates to a surface cleaning device having the features of claim 1.
  • a surface cleaning device is from the DE 23 50 898 A1 known.
  • the surface cleaning device can be moved by a user along the surface to be cleaned.
  • the known surface cleaning device has for this purpose a housing which is arranged on the surface cleaning head facing away from the end of the stem and can be worn by a user by means of a support strap and a carrying handle.
  • the pump is configured as a manually or motor-operated feed pump, by means of which a cleaning liquid can be pumped from a reservoir to the nozzle. The liquid can be applied to the surface to be cleaned via the nozzle.
  • the stem is configured in the form of an actuating rod which is coupled via a crank mechanism to a motor and transmits a reciprocating motion generated by means of the crank mechanism to a cleaning tool arranged adjacently to the nozzle.
  • a surface cleaning device according to the preamble of claim 1 is known in which a high-pressure unit with a motor and a pump is arranged on a cleaning head.
  • the cleaning head has a rotatable nozzle arm which carries a nozzle.
  • a low-pressure hose can be connected to the pump for supplying water, and the water pressurized by the pump can be supplied to the nozzle via a high-pressure hose, so that the water is under overpressure on the surface to be cleaned
  • the cleaning head is connected via a joint with a handle for guiding the surface cleaning device and by means of a chassis, which is provided with rollers, the cleaning head can be moved.
  • a surface cleaning device in which a stem, which is connected via a joint with a cleaning head, a DC pump is maintained, which promotes a cleaning solution from a liquid container to a arranged on the cleaning head nozzle, from which the cleaning solution to a can be sprayed to be cleaned area.
  • a switching device With the help of a switching device, the spraying of the cleaning liquid is controllable on the surface.
  • the cleaning head has a cleaning tool, with the aid of which the surface can be mechanically cleaned.
  • the surface cleaning device can be supported on the surface to be cleaned by means of the cleaning tool.
  • Object of the present invention is to provide a surface cleaning device of the type mentioned in such a way that it has a simplified handling when moving along a surface and allows effective surface cleaning.
  • the surface cleaning device according to the invention has a good cleaning effect, since the cleaning liquid can be applied under pressure to the surface to be cleaned. Under the high pressure of the cleaning liquid, the surface can be effectively cleaned.
  • the nozzle can be moved along virtually the same distance on the surface to be cleaned, the surface cleaning device can be moved by means of the support means in a simple manner to the surface to be cleaned, like a vacuum cleaner.
  • the surface cleaning device is designed like a stick, the focus of the surface cleaning device may be located at a distance from the cleaning head end facing away from the stem and the cleaning head end facing away from the stem can serve as a handle to the user, where he can take the surface cleaning device.
  • the surface cleaning device comprises not only the stem held cleaning head with at least one nozzle, but in addition also driven by a drive motor pump, with the help of the cleaning fluid can be pressurized.
  • the pump and motor are rigidly connected to the handle.
  • the pressure pump in combination with the drive motor forms a pressure generating unit whose center of gravity is arranged at a distance of a maximum of 0.6 meter from the at least one nozzle of the cleaning head.
  • cleaning liquid can be applied under pressure to the surface to be cleaned.
  • the cleaning liquid from the pressure pump under a pressure of more than 30 bar, in particular a pressure of at least 70 bar are set.
  • the pressure pump is designed as a high-pressure pump, by means of which the cleaning liquid is displaceable under a pressure of at least 80 bar.
  • the cleaning head according to the invention has a splash guard, which engages over the at least one nozzle and has a liquid discharge opening. It is advantageous if the liquid discharge opening in the circumferential direction is at least partially surrounded by a flexible splash guard. This can be ensured in a structurally simple manner that only the area covered by the liquid discharge opening area of the surface to be cleaned with cleaning liquid is applied.
  • the pressure pump is arranged offset in the direction of the cleaning head to the switching element. It has been found that thereby the handling of the surface cleaning device can be further simplified.
  • the switching element is preferably held on a stem.
  • the pressure pump is arranged next to the cleaning head. This has the consequence that the center of gravity of the surface cleaning device is also positioned in the vicinity of the cleaning head. As a result, the surface cleaning device can be moved in a particularly simple manner by hand on the surface to be cleaned, without the user being heavily burdened by the weight of the surface cleaning device.
  • the pressure pump is arranged on the cleaning head, in particular it can be provided that the pressure pump is integrated into the cleaning head.
  • the switching element with the aid of which the admission of the surface to be cleaned with liquid can be controlled, is held in a preferred embodiment in the region of the end facing away from the cleaning head of the stem.
  • the switching member comprises a shift lever.
  • the switching device is designed pistol-like with a handle on which the shift lever is pivotally mounted. The user can thereby use the surface cleaning device with a Hand along the surface to be cleaned and control by means of the shift lever, the liquid discharge in a simple manner.
  • the switching element is designed as a manually operable check valve, which is connected via a guided along the stem and connectable to a supply line to the pressure pump in flow communication.
  • the check valve With the help of the check valve, the user can easily control the supply of liquid to the pressure pump.
  • the surface cleaning device thus has a particularly compact design and is characterized by a high mechanical strength.
  • a connecting element is arranged for connection of a supply hose through which the surface cleaning device cleaning liquid, preferably water, can be supplied.
  • the drive of the pressure pump can be done for example by means of a held on a stem combustion engine or held on a stem electric motor.
  • an electric motor it is advantageous if it is controllable by means of the switching element.
  • the electric motor is controllable in dependence on the flow of the cleaning fluid supplied to the pressure pump.
  • the electric motor is connected to a switching element which is coupled to a flow sensor.
  • the latter can be designed, for example, in the form of a piston plunging into the supply line, which is moved in the presence of a flow in the supply line against an elastic restoring force for actuating an electromechanical switch for switching on the electric motor. If the flow is interrupted in the supply line by means of the switching element, so the piston moves automatically under the action of the elastic restoring force so far that the electromechanical switch is actuated again and in this case the electric motor is turned off.
  • the electric motor can be cooled by the cleaning fluid.
  • the waste heat of the electric motor can be dissipated in a simple manner.
  • the electric motor has a housing which can be flowed around by the cleaning liquid.
  • the electric motor is preferably designed dive water resistant.
  • the power supply of the electric motor can be done via an electrical connection cable.
  • the surface cleaning device has a rechargeable power supply unit. This has the advantage that the use of the surface cleaning device is not dependent on the accessibility to an electrical power supply.
  • the surface cleaning device u. a. characterized in that the cleaning liquid can be applied by means of at least one nozzle under pressure to the surface to be cleaned.
  • the cleaning head can have, for example, at least one flat jet nozzle and / or at least one spot jet nozzle. It is advantageous if the cleaning head comprises a pendulum hose device with a pendulum-mounted hose, at whose free end a nozzle is held. If the pendulum hose device is supplied with excess pressure by means of the pressure pump cleaning fluid, then the hose performs a pendulum motion and this covers the area to be cleaned in the region of the cleaning head.
  • the nozzle held on the hose can be configured as a spot jet nozzle, so that a spot beam can be directed to the surface, which has a particularly high cleaning effect, but applied by the oscillating storage of the hose despite using a ceremonistrahldüse within a short time a considerable area with liquid can be.
  • It can also be used at least one pivotally mounted nozzle, for example, the nozzle can be mounted pivotably about an aligned perpendicular to its outflow direction pivot axis, it is advantageous if the drive of the pivoting movement is carried out by the cleaning liquid.
  • the cleaning head comprises at least one rotor nozzle.
  • rotor nozzles are known in the art. With their help, a point beam rotating on a conical surface can be generated.
  • the cleaning head has at least one spray arm which is rotatably mounted about a rotation axis and carries at least one nozzle.
  • the nozzle may in this case be oriented obliquely to the surface to be cleaned, so that the force acting on the nozzle during dispensing of the cleaning recoil drives the nozzle together with the spray arm to a circulation movement along a circular path.
  • a plurality of spray arms can be used, each carrying at least one nozzle at its free end.
  • at least three spray arms are rotatably supported at a uniform distance from one another on a hollow shaft, via which the cleaning fluid from the pressure pump can be supplied to the nozzles.
  • the axis of rotation can be aligned perpendicular to the surface to be cleaned, so that when using multiple nozzles of all nozzles simultaneously cleaning liquid can be applied to the surface to be cleaned.
  • the axis of rotation is oriented obliquely or parallel to the surface to be cleaned.
  • the at least one nozzle faces in its circulation movement only along a portion of the circular path of the surface to be cleaned.
  • the surface can thereby be applied in strip form with a cleaning liquid jet, so that the surface is cleaned strip-shaped when the surface cleaning device is moved along the surface to be cleaned.
  • the distance of the at least one nozzle to the surface to be cleaned can be kept very low, so that an intensive cleaning fluid jet can be directed to the surface.
  • the nozzle held on the spray arm can be fed non-uniformly during its circulation movement cleaning liquid, wherein the largest liquid supply takes place in alignment of the nozzle in the direction of the surface to be cleaned.
  • the nozzle is at an oblique or parallel to the surface to be cleaned aligned rotation axis facing only along a portion of its orbital motion of the surface to be cleaned, while facing away in the remaining region of the orbital motion of the surface to be cleaned. If the nozzle cleaning liquid supplied non-uniform, it can be ensured in a simple manner that pressurized cleaning liquid is discharged via the nozzle practically only when it faces the surface to be cleaned.
  • a maximum amount of cleaning liquid can be fed to the nozzle via a first portion of its circulation movement facing the surface to be cleaned, while only a minimal amount of cleaning liquid is supplied to it via a second portion of its circulation movement facing away from the surface to be cleaned can be.
  • no liquid can be supplied at all, so that the liquid supply to the nozzle is interrupted during its second part of the circulating movement. If several nozzles are used, the liquid supply to the nozzles can be carried out sequentially by supplying the respective nozzle with a large amount of cleaning liquid, which just faces the surface to be cleaned, while at this moment facing away from the surface to be cleaned with a smaller amount of cleaning fluid to be supplied.
  • the pressure pump is designed as a piston pump, for example as a radial piston pump.
  • the cleaning head comprises three spray arms, which are fixed at a uniform angular distance from each other on a rotor housing which is rotatable about an axis of rotation and surrounds a non-rotatably held eccentric.
  • Each spray arm can receive a reciprocating piston, which is biased by a return spring in the direction of the eccentric and - for example by means of a sliding shoe - slides along the peripheral surface of the eccentric.
  • the pistons are driven to a reciprocating motion, so that by means of the piston cleaning fluid can be pressurized and directed via the nozzles on the surface to be cleaned.
  • the supply of the cleaning liquid can take place via a hole extending coaxially to the axis of rotation of the rotor housing to the eccentric, and from this, the cleaning liquid can be passed to a through bore of the piston via a radially extending, in the circumferential direction only over a portion of the eccentric extending connecting channel.
  • the splash guard element may comprise bristle strips with the aid of which the surface to be cleaned can be mechanically cleaned off.
  • the surface cleaning device according to the invention is characterized, inter alia, by support means with the aid of which the surface cleaning device can be supported on the surface to be cleaned.
  • the support means have rolling or sliding bodies for mechanically supporting the surface cleaning device on the surface to be cleaned.
  • the rolling or sliding bodies can be held on the cleaning head,
  • at least two support rollers may be rotatably mounted on the cleaning head, which are placed on the surface to be cleaned.
  • skids can be used, with the aid of which the cleaning head can slide along the surface to be cleaned.
  • the support means comprise a blower for generating an air cushion between the cleaning head and the surface to be cleaned.
  • the support elements comprise at least one support part, on which at least one nozzle is held, wherein the support member of the nozzle during discharge of cleaning liquid with a repulsive force can be acted upon to support the surface cleaning device on the surface to be cleaned.
  • the recoil forming on the nozzle when discharging the pressurized cleaning liquid is used for supporting the surface cleaning apparatus.
  • the utilization of the recoil allows reliable support of the surface cleaning device. It is advantageous here if the nozzles are aligned perpendicular to the surface to be cleaned.
  • the length of the stem is telescopically adjustable.
  • the stem has at least two telescopically cooperating pipe sections which are lockable to each other in a plurality of relative positions.
  • a further simplification of the handling of the surface cleaning device according to the invention is achieved in an advantageous embodiment, characterized in that the cleaning head is held articulated on the stem.
  • FIG. 1 schematically a first embodiment of a surface cleaning device 10 according to the invention is shown.
  • This is designed as a hand-held, stick-shaped pressure washer and can be moved by the user to clean a surface 11 at this.
  • It comprises a stem 12, which is tubular and has an upper stem portion 13 and a lower stem portion 14 which cooperate to change the length of the stem 12 telescopically.
  • the surface to be cleaned 11 facing the stem 12 carries a cleaning head 17 with a splash guard 18, which surrounds a arranged at the lower end of the stem 12 nozzle 20 and the surface 11 facing a liquid discharge opening 21 defined in the circumferential direction of a Enclosed splash guard in the form of a bristle strip 23, which contacts the surface 11.
  • a pressure generating unit 29 is held on the handle 12 with an electric motor 31 and a driven by the electric motor 31 pressure pump 32.
  • the electric motor 31 may in the usual manner by means of an electric cable, not shown in the drawing, which is advantageously along the outside of the handle 12, be connected to a power supply network.
  • the control of the electric motor 31 by means of a in FIG. 1 schematically illustrated control unit 33, which comprises an electromechanical switching element 34 and a flow sensor 35.
  • the structural design and the function of the control unit 33 will be explained below.
  • the handle 12 At its upper end facing away from the cleaning head 17, the handle 12 carries a manually operable switching member 38 with a pivoting lever 39 and a connection fitting 41.
  • the tubular stem 12 forms for a cleaning liquid, preferably for water, a supply line 48, which can be connected by means of the connection fitting 41 to a supply hose, for example a garden hose.
  • a supply hose for example a garden hose.
  • the cleaning liquid can flow through the switching member 38 and be supplied from the latter via the supply line 48 and the control unit 33 of the pressure generating unit 29.
  • the supplied cleaning liquid can be placed under a high pressure, preferably a pressure of at least 10 bar, in particular more than 30 bar, for example at least 70 bar.
  • the pressurized cleaning liquid is then supplied to the nozzle 20 from the pressure generating unit 29 via the lower end portion of the stem 12.
  • the latter can be designed as a flat jet nozzle or as a rotor nozzle, by means of which a point beam circulating along a circumference of a cone can be directed onto the surface 11 to be cleaned.
  • a nozzle 20 at the lower end of the stem 12 may be provided that the cleaning head 17 receives a pendulum tube means, wherein a pendulum tube is fixed to the lower end of the stem 12 and at a free end carries a nozzle, so that he under the Effect of him supplied, under high pressure Cleaning liquid performs a pendulum movement and thereby sweeps over the liquid discharge opening 21.
  • the switching member 38 forms a means of the pivot lever 39 manually operable check valve, with the help of which the user can selectively release the flow of cleaning fluid and interrupt.
  • the flowing through the stem 12 cleaning liquid is in FIG. 1 illustrated by the arrow 43.
  • the user can also control the operation of the pressure generating unit 29 in addition to the flow 43.
  • the control unit 33 is used, which cooperates with the flow sensor 35, which detects the flow within the stem 12.
  • the flow sensor 35 has a piston 46 displaceably mounted in a cylinder housing 45, which plunges into the interior of the handle 12 forming the supply line 48 and is biased by means of a return spring 50 in the direction of the supply line 48. If by means of the switching member 38, the flow 43 of the cleaning liquid released through the supply line 48, the piston 46 is moved so far that a rigidly connected to it plunger 52, the switching element 34 can actuate to turn on the electric motor 31. Is the user by means of the switching device 38, the flow 43 is interrupted, the piston 46 assumes its advanced position due to the force acting on it the return spring 50 and the associated plunger 42 releases the switching element 34, so that it turns off the electric motor 31.
  • the electric motor 31 has a housing 54, which is flowed around by the cleaning liquid, so that the waste heat of the electric motor 31 can be removed via the cleaning liquid.
  • the surface cleaning device 10 can be moved along the manner of a Stielstaubsaugers on the surface to be cleaned 11 in order to effectively clean them by applying cleaning fluid.
  • the weight of the surface cleaning device 10 is significantly determined by the weight of the pressure generating unit 29. Their center of gravity is located at a maximum distance of 0.6 meters from the nozzle 20. This has the advantage that the surface cleaning device 10, which can be supported on the surface 11 via the support rollers 26, 27, can be moved on the surface 11 by the user in a simple manner, without being burdened by the weight of the surface cleaning device 10.
  • FIG. 2 shows a second embodiment of a generally designated by the reference numeral 60 surface cleaning device, which is configured similar to the above with reference to the FIG. 1 explained surface cleaning device 10.
  • surface cleaning device 60 is configured similar to the above with reference to the FIG. 1 explained surface cleaning device 10.
  • FIG. 3 shows the same reference numerals as in FIG. 1 , In this regard, reference is made to the above explanations to avoid repetition.
  • the surface cleaning device 60 differs from the surface cleaning device 10 essentially in that a cleaning head 62 is used, which is held by a hinge 63 on the stem 12 and the two spray arms 65, 66, which are freely rotatably mounted about a perpendicular to the surface to be cleaned 11 oriented axis of rotation 67 and each carry a nozzle 68 and 69 at its free end.
  • the spray arms 65, 66 are held on a rotatable about the axis of rotation 67 hollow shaft 71 which communicates via a flexible connecting line 72 with a discharge nozzle 73 of the stalk 12 fixed pressure generating unit 29 in flow communication.
  • the pressure generating unit 29 comprises according to the surface cleaning device 10, a pressure pump 32 which is driven by an electric motor 31 which can be controlled by means of a control unit 33 in dependence on the flowing through the handle 12 cleaning liquid.
  • the flow of the cleaning liquid can be selectively released and interrupted by the user by means of a arranged at the upper end of the handle 12 switching member 38.
  • the switching device 38 is designed pistol-like and forms a handle 75, which can be taken ergonomically favorable by the user for actuating the pivot lever 39th
  • the fixed to the spray arms 65, 66 nozzles 68 and 69 are facing the surface to be cleaned 11, wherein its central axis is slightly inclined to the surface normal to the surface 11, so that the nozzles 68, 69 are acted upon by the cleaning liquid flowing therethrough with a repulsive force which is remote from the surface 11 to be cleaned and which drives the nozzles 68, 69 together with the respective spray arms 65, 66 and the hollow shaft 71 to a rotational movement about the axis of rotation 67.
  • the nozzles 68, 69 thus perform a circular circulation movement and the surface 11 is simultaneously acted upon by two nozzles 68, 69 with liquid.
  • a fan 77 is held on the hollow shaft 71 with a propeller 78, by means of which an air cushion can be generated below the cleaning head 62 for supporting the surface cleaning device 60 on the surface to be cleaned 11.
  • An additional support learns the surface cleaning device 60 by the perpendicular to the surface 11 aligned portion of the recoil force of the nozzles 68, 69. This repulsion force is transmitted via the spray arms 65, 66 on the splash guard 18 and the stem 12.
  • the electric motor 31 can be supplied with electrical energy by means of a supply cable, not shown in the drawing, known per se. If the surface cleaning device 60 is not in use, then the supply cable can be wound, for this purpose two hook-like holders 79, 80 are fixed to the handle 12 at a distance to each other, around which the supply cable can be wound.
  • FIG. 3 shows a third embodiment of a total occupied by the reference numeral 90 surface cleaning device according to the invention.
  • This comprises a cleaning head 92 held at the lower end of the handle 12, into which a pressure pump 93 is integrated.
  • the pressure pump 93 is connected via a known per se and therefore not shown in the drawing angular gear with an electric motor 94 in operative connection, which is set on the stem 12 and depending on the handle 12 flowing through the cleaning liquid on and off.
  • the pressure pump 93 comprises a drum-shaped rotor housing 96 which can be rotated by means of the electric motor 94 about a rotation axis 97 in rotation.
  • the axis of rotation 97 is aligned perpendicular to the longitudinal axis 95 of the stem 12. Alternatively it can be provided that the axis of rotation 97 is aligned obliquely to the longitudinal axis 95.
  • From the rotor housing 96 are three equally spaced angularly spaced spray arms 98, 99, 100 radially from each carry a nozzle 101, 102 and 103 at its free end and each record an identically designed piston 104, which within the respective spray arm 98, 99 and 100 of the same is held displaceably in the longitudinal direction.
  • the rotor housing 96 surrounds an eccentric 106 held stationary in the cleaning head 92, on the peripheral wall of which the pistons 104 rest over a sliding shoe and which is in fluid communication with the supply line 48 of the handle 12 via a bore aligned coaxially with the axis of rotation 97.
  • the eccentric 106 has a connecting channel, which extends in the circumferential direction only over a partial region of the eccentric 106, so that cleaning liquid can be discharged through the eccentric 106 in the radial direction.
  • the pistons 104 of the spray arms 98, 99, 100 each have a through-bore, so that the cleaning liquid discharged from the eccentric 106 can be supplied through the pistons 104 to the nozzles 101, 102, and 103.
  • the pistons 104 are biased by means of a return spring in the direction of the eccentric 106.
  • the pistons 104 reciprocate within the respective spray arms 98, 99 and 100, respectively, and liquid flowing during the orbital motion of the spray arms 98, 99, 100 along a portion of the Outside perimeter of the eccentric 106 is passed through the piston 104, is pressurized by these.
  • the cleaning liquid can thus be directed to the surface 11 via the nozzles 101, 102 and 103.
  • the delivery of pressurized cleaning liquid takes place here only over a partial region of the circulating movement of the nozzles, namely whenever the respective nozzle 101, 102 or 103 faces the surface 11.
  • the surface to be cleaned 11 can be applied strip-like with cleaning liquid when the surface cleaning device is moved along the surface 11. This has the advantage that the cleaning liquid jet uniformly covers the surface 11 and also corner and edge regions of a surface to be cleaned 11 can be reliably cleaned.
  • the cleaning head 17 and 92 a Abstreiflippe is held, which can be applied to the surface 11 to be cleaned and associated with a suction nozzle, which is connected via a suction pipe extending along the stem 12 to a suction device can be. This makes it possible to suck the cleaning liquid applied to the surface 1 to be cleaned again.

Claims (27)

  1. Appareil de nettoyage de surface comportant un manche (12) sur lequel est montée une tête de nettoyage (17 ; 62 ; 92) dotée d'au moins un ajutage (20 ; 68, 69 ; 101, 102,103) qui est en liaison d'écoulement avec une pompe montée sur le manche (12), et un organe de commutation (38)actionnable manuellement, une surface à nettoyer (11) pouvant être sollicitée par un liquide de nettoyage au moyen de l'ajutage (20 ; 68, 69 ; 101, 102, 103) et la sollicitation pouvant être commandée au moyen de l'organe de commutation (38), la pompe étant conformée en pompe de compression (32, 93) entraînée par un moteur d'entraînement (31 ; 94) et le liquide de nettoyage étant appliqué sur la surface à nettoyer (11) avec une surpression par le biais de l'ajutage (20 ; 68, 69 ; 101, 102, 103), et l'appareil de nettoyage de surface (10 ; 60 ; 85 ; 90) comportant des moyens de soutien (26, 27 ; 65, 66 ; 77) destinés à soutenir l'appareil de nettoyage de surface sur la surface à nettoyer (11), le liquide de nettoyage étant mis à une pression de plus de 30 bars par la pompe de compression (32 ; 93) et la tête de nettoyage (17 ; 62 ; 92) comportant un capot anti-projection (18) qui s'engage par-dessus au moins un ajutage (20 ; 68, 69 ; 101, 102, 103) et comporte une ouverture de sortie de liquide (21), la surface (11) pouvant être nettoyée par sollicitation avec le liquide de nettoyage sous pression, caractérisé en ce que le moteur d'entraînement (31 ; 94) et la pompe de compression (32 ; 93) étant reliés rigidement au manche (12) et la pompe de compression (32) formant en combinaison avec le moteur d'entraînement (31) une unité génératrice de pression (29) dont le centre de gravité est situé à une distance d'au maximum 0,6 m de l'au moins un ajutage (20 ; 68, 69) de la tête de nettoyage (17 ; 62).
  2. Appareil de nettoyage de surface selon la revendication 1, caractérisé en ce que la pompe de compression (32 ; 93) est disposé de façon décalée par rapport à l'organe de commutation (38) en direction de la tête de nettoyage (17 ; 62 ; 92).
  3. Appareil de nettoyage de surface selon la revendication 1 ou 2, caractérisé en ce que la pompe de compression (32 ; 93) est disposée à côté de la tête de nettoyage (17 ; 62 ; 92).
  4. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que la pompe de compression (32) est disposé au niveau de la tête de nettoyage (62).
  5. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que la pompe de compression (93) est intégré dans la tête de nettoyage (92).
  6. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que l'organe de commutation (38) est monté dans la région de l'extrémité du manche (12) qui est opposée à la tête de nettoyage (17 ; 62 ; 92).
  7. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que l'organe de commutation (38) comporte un levier de commutation (39).
  8. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que l'organe de commutation (38) est conformé en clapet de retenue actionnable manuellement qui est en liaison d'écoulement avec la pompe de compression (32 ; 93) par le biais d'une conduite d'amenée (48) qui peut être raccordée à un tuyau d'alimentation et qui est guidée le long du manche (12).
  9. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce qu'une conduite d'amenée (48) est guidée à travers le manche (12).
  10. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que la pompe de compression (32 ; 93) peut être entraînée par un moteur électrique (31) qui est monté sur le manche et qui peut être commandé au moyen de l'organe de commutation (38).
  11. Appareil de nettoyage de surface selon la revendication 10, caractérisé en ce que le moteur électrique (31) peut être commandé en fonction de l'écoulement du liquide de nettoyage amené à la pompe de compression (32 ; 93).
  12. Appareil de nettoyage de surface selon la revendication 11, caractérisé en ce que le moteur électrique (31) est relié à un élément de commutation (34) qui est couplé à un capteur d'écoulement (35).
  13. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que la pompe de compression (32 ; 93) peut être entraînée par un moteur électrique (31) qui peut être refroidi par le liquide de nettoyage.
  14. Appareil de nettoyage de surface selon la revendication 13, caractérisé en ce que le moteur électrique (31) comporte un boîtier (54) autour duquel peut circuler le liquide de nettoyage.
  15. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que le liquide de nettoyage peut être appliqué en cercle sur la surface à nettoyer (11) au moyen de la tête de nettoyage (62).
  16. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que la tête de nettoyage (62 ; 92) comporte au moins un bras de pulvérisation (65, 66 ; 98, 99, 100) qui est monté de façon à pouvoir tourner autour d'un axe de rotation (67 ; 97) et qui supporte au moins un ajutage (68, 69 ; 101, 102, 103).
  17. Appareil de nettoyage de surface selon la revendication 16, caractérisé en ce que l'axe de rotation (67) peut être orienté perpendiculairement à la surface à nettoyer (11).
  18. Appareil de nettoyage de surface selon la revendication 16, caractérisé en ce que l'axe de rotation (97) peut être orienté obliquement ou parallèlement à la surface à nettoyer (11).
  19. Appareil de nettoyage de surface selon la revendication 18, caractérisé en ce que du liquide de nettoyage peut être amené irrégulièrement à l'ajutage (101, 102, 103) monté sur le bras de pulvérisation (98, 99, 100) pendant le mouvement de rotation dudit ajutage autour de l'axe de rotation (97), l'amenée de liquide étant effectuée pour la plus grande partie lors de l'orientation de l'ajutage (101, 102, 103) en direction de la surface à nettoyer (11).
  20. Appareil de nettoyage de surface selon l'une des revendications 16 à 19, caractérisé en ce qu'un piston (104) à mouvement alternatif, qui coopère avec un excentrique (106), est monté dans le bras de pulvérisation (98, 99, 100), du liquide de nettoyage pouvant être délivré sous pression par l'au moins un ajutage (101, 102, 103) au moyen du piston (104).
  21. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que l'ouverture de sortie de liquide (21) est entourée dans la direction périphérique au moins partiellement par un élément anti-projection flexible (23).
  22. Appareil de nettoyage de surface selon la revendication 21, caractérisé en ce que l'élément anti-projection est conformé en lèvre de caoutchouc et/ou en raclette formant brosse (23).
  23. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que les moyens de soutien comportent des corps de roulement ou de glissement (26, 27) destinés à soutenir l'appareil de nettoyage de surface (10 ; 90) sur la surface à nettoyer (11).
  24. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que les moyens de soutien comportent une soufflante (77) destinée à générer un coussin d'air entre la tête de nettoyage (62) et la surface à nettoyer (11).
  25. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que les éléments de soutien comportent au moins une pièce de support (65, 66) sur laquelle est monté au moins un ajutage (68, 69), la pièce de support (65, 66) pouvant être sollicitée par une force de répulsion exercée par l'ajutage (68, 69) lors de la sortie de liquide de nettoyage pour soutenir l'appareil de nettoyage de surface (60 ; 85) sur le sol à nettoyer (11).
  26. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que la longueur du manche (12) est réglable de façon télescopique.
  27. Appareil de nettoyage de surface selon l'une des revendications précédentes, caractérisé en ce que la tête de nettoyage (62) est montée de façon articulée sur le manche (12).
EP05027828A 2004-12-23 2005-12-20 Dispositif de nettoyage de surfaces Not-in-force EP1674167B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410063201 DE102004063201A1 (de) 2004-12-23 2004-12-23 Flächenreinigungsgerät

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EP1674167A1 EP1674167A1 (fr) 2006-06-28
EP1674167B1 true EP1674167B1 (fr) 2012-06-13

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Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
DE102007010303A1 (de) * 2007-02-22 2008-08-28 Flex-Elektrowerkzeuge Gmbh Handgehaltene Reinigungs-/Schleifmaschine
EP3297764B1 (fr) 2015-05-21 2020-04-01 Alfred Kärcher SE & Co. KG Système de nettoyage à haute pression et unité d'éjection pour un tel système de nettoyage à haute pression
FR3073158B1 (fr) * 2017-11-06 2021-05-28 Spartacus System Dispositif et procede de nettoyage d'une toiture amiantee
CN108499942A (zh) * 2018-06-09 2018-09-07 肇庆市高新区创客科技有限公司 一种环保机械表面去油污装置
EP3833490B1 (fr) * 2018-08-09 2022-10-05 Alfred Kärcher SE & Co. KG Tête de nettoyage de surface
CN109772774A (zh) * 2019-02-19 2019-05-21 王建设 一种手持式水动力清洁器
DE102021113441A1 (de) * 2021-05-25 2022-12-01 Alfred Kärcher SE & Co. KG Handgeführter flächenreinigungskopf

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DE102004063201A1 (de) 2006-07-06
EP1674167A1 (fr) 2006-06-28

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