EP1833346B1 - Tete de nettoyage a pompe a pistons radiaux et appareil de nettoyage de surfaces pourvu d'une tete de nettoyage de ce type - Google Patents

Tete de nettoyage a pompe a pistons radiaux et appareil de nettoyage de surfaces pourvu d'une tete de nettoyage de ce type Download PDF

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Publication number
EP1833346B1
EP1833346B1 EP05810606A EP05810606A EP1833346B1 EP 1833346 B1 EP1833346 B1 EP 1833346B1 EP 05810606 A EP05810606 A EP 05810606A EP 05810606 A EP05810606 A EP 05810606A EP 1833346 B1 EP1833346 B1 EP 1833346B1
Authority
EP
European Patent Office
Prior art keywords
cleaning head
eccentric
cleaning
head according
delivery piston
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
EP05810606A
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German (de)
English (en)
Other versions
EP1833346A1 (fr
Inventor
Felix Treitz
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
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Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP1833346A1 publication Critical patent/EP1833346A1/fr
Application granted granted Critical
Publication of EP1833346B1 publication Critical patent/EP1833346B1/fr
Not-in-force 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4061—Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
    • 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
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
    • E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers

Definitions

  • the invention relates to a cleaning head for acting on a surface to be cleaned with pressurized cleaning liquid, with at least one spray arm which is rotatably mounted about a rotation axis and on which at least one nozzle is held, which is supplied from a cleaning pump integrated in the cleaning head cleaning liquid.
  • the invention relates to a surface cleaning device with such a cleaning head.
  • a floor surface can be effectively cleaned.
  • a pressure pump can be connected to the cleaning head, with the aid of which pressurized cleaning liquid can be supplied to the at least one nozzle.
  • the nozzle is held on a spray arm, which is rotatably mounted about a rotation axis.
  • the nozzle when dispensing the cleaning liquid can perform a rotary movement together with the spray arm, so that the surface to be cleaned can be acted upon by a liquid jet circulating on a circular path.
  • an effective cleaning can be achieved, however, it is desirable to simplify the handling of the surface cleaning device.
  • a cleaning head with the features of the preamble of claim 1 is known.
  • This cleaning head has a plurality of spray arms, on which spray nozzles are held, wherein each spray arm is associated with a pressure pump which rotates together with the spray arm about the axis of rotation of a motor.
  • the cleaning head also has a reservoir for cleaning fluid, which is supplied by the pressure pumps can be supplied to the respective associated spray arm.
  • the drive of the pressure pump is effected by means of a friction wheel, which rolls on a stationary friction surface during the rotation of the spray arms and pressure pumps.
  • Object of the present invention is to develop a cleaning head of the type mentioned in such a way that it has a particularly compact design.
  • Such a configuration has the advantage that a stationary pressure pump which is in flow communication with the cleaning head via a pressure hose can be dispensed with.
  • the handling of a surface cleaning device with such a cleaning head is therefore considerably simplified.
  • the cleaning head according to the invention has a rotor housing which surrounds an eccentric and is rotatable relative to the eccentric about the axis of rotation, wherein at least one spray arm is fixed to the rotor housing and a delivery piston is slidably mounted in the spray arm, which according to the rotational movement of the rotor housing to the eccentric within the Spray arm is driven to a reciprocating motion, wherein the delivery piston dips into a cylinder chamber, which is in flow communication with the at least one nozzle and the cleaning liquid can be supplied.
  • a rotor housing which surrounds an eccentric and is rotatable relative to the eccentric about the axis of rotation
  • at least one spray arm is fixed to the rotor housing and a delivery piston is slidably mounted in the spray arm, which according to the rotational movement of the rotor housing to the eccentric within the Spray arm is driven to a reciprocating motion, wherein the delivery piston dips into a cylinder chamber, which is in flow communication with the at least one nozzle and the cleaning liquid can be supplied
  • the cleaning head forms as a combination of at least one rotatable about a rotation axis spray arm, on which at least one nozzle is held, and a pressure pump from a unit that can be performed by the user, for example, along a floor surface.
  • the cleaning head can also be used for the internal cleaning of a container, in particular a liquid tank, wherein it only has to be brought into fluid communication with a source of cleaning liquid via a low-pressure hose.
  • Such low pressure hoses have a higher flexibility as high-pressure hoses, as they are usually used to connect known cleaning heads to a stationary pressure pump.
  • the orbital movement of the rotor housing of the displaceably mounted in the spray arm piston is driven due to the eccentricity of the eccentric to a reciprocating motion, so that during a suction stroke of the delivery piston cleaning fluid flow into the cylinder chamber and during a pressure stroke, the liquid pressurized from the cylinder and over the nozzle can be dispensed.
  • the eccentric is held immobile relative to the rotor housing, while the rotor housing carries out a rotary movement together with the at least one spray arm fixed to it.
  • the rotational movement of the rotor housing and the spray arm not only serves to generate a circulating on a circular path liquid jet, but it also serves to drive the displaceably mounted in the spray arm delivery piston.
  • the eccentric not only assumes the function of a cam for controlling the movement of the delivery piston, but it also forms a channel for supplying the nourishsyogsstechnik in the cylinder chamber.
  • the eccentric comprises a radially extending flow channel, which extends in the circumferential direction of the eccentric only over a partial region of the eccentric.
  • the supply of the cleaning liquid through the piston to the cylinder chamber takes place over the flow channel of the eccentric.
  • cleaning liquid is supplied non-uniformly to the cylinder chamber, namely only when there is a flow connection between the cylinder chamber and the flow channel.
  • This flow connection consists only along a portion of the circumference of the eccentric, while in the remaining peripheral region, the flow connection between the flow channel and cylinder space is interrupted.
  • Such a configuration is particularly advantageous when the delivery piston forms a suction stroke with an existing flow connection between the flow channel and the cylinder space and a pressure stroke when the flow connection between the cylinder space and the flow channel is interrupted. Additional control valves for the pressure pump can be omitted.
  • the flow channel extends in the circumferential direction of the eccentric over an angular range of at least 90 °.
  • the flow channel extends in the circumferential direction of the eccentric over an angular range of more than 180 °, in particular it can be provided that extends the flow channel in the circumferential direction of the eccentric over an angular range of about 220 °.
  • Such a configuration has the advantage that the flow connection between the flow channel and the cylinder space is not only present when the piston performs a suction stroke for introducing cleaning liquid into the cylinder chamber, but also during a portion of its pressure stroke.
  • the delivery of pressurized cleaning fluid through the nozzle to an angular range of less than 180 °, in particular an angular range of approximately 140 °.
  • the cleaning head comprises a plurality of spray arms each fixed to the rotating rotor housing, on each of which at least one nozzle is held.
  • Cleaning liquid can be dispensed successively via the nozzles by means of the flow connection between the flow channel and the respective cylinder chamber, which exists only over a partial region of the circumference of the eccentric.
  • the supply of cleaning fluid to the eccentric takes place in a preferred embodiment of a hollow shaft on which the eccentric is held against rotation.
  • the hollow shaft serves for a storage of the eccentric and on the other hand it forms a supply line, via which the cleaning liquid can be supplied to the eccentric.
  • the reciprocating movement of the spray piston displaceably mounted in the delivery piston can be achieved that it lies with its end facing away from the cylinder chamber directly on the eccentric.
  • this leads to a considerable frictional force between the delivery piston and eccentric.
  • the delivery piston is mounted on a sliding shoe, which bears against the outer wall of the eccentric. This makes it possible to optimally adapt the sliding shoe and the delivery piston to the respectively prevailing requirements; in particular, the shape of the sliding shoe can be adapted to the shape be adapted to the eccentric and by suitable choice of material as low as possible friction between eccentric and shoe can be achieved.
  • the sliding block has a through bore, via which the flow channel of the eccentric can be brought into fluid communication with a recess of the piston.
  • the supply of cleaning fluid can thus be carried out through the eccentric and the shoe through to the delivery piston and from this through the recess to the cylinder chamber.
  • the recess of the piston is designed as a longitudinal bore, which is guided in the longitudinal direction of the piston through this.
  • the delivery piston and the sliding block are pivotable relative to each other. This has the advantage that, with the radial orientation of the delivery piston remaining the same with respect to the axis of rotation of the rotor housing, the sliding block can follow the eccentric peripheral surface of the eccentric, without this leading to jamming of the piston or of the sliding shoe.
  • the sliding shoe and the delivery piston abut one another via a spherical recess and a spherical protrusion dipping into the recess.
  • the recess and the corresponding projection allow a relative pivoting movement of the two parts while maintaining a planar contact.
  • the sliding shoe has on its side facing the delivery piston the spherical projection and the delivery piston having a ball-shaped recess arranged at its rear end takes the lead.
  • the end portion of the piston facing the sliding shoe forms the spherical projection, which dips into a spherical recess of the sliding shoe.
  • the sliding shoe has a recess in the region of its contact surface resting against the eccentric, to which the through bore of the sliding shoe adjoins in the direction of the delivery piston.
  • a pressure is generated by the delivery piston within the cylinder space, which can spread through the recess of the piston and the through hole of the sliding thrust through into the recess of the sliding shoe.
  • an overpressure is generated, which significantly reduces the frictional force between the eccentric and shoe.
  • the overpressure in the contact region of the sliding shoe on the eccentric drops substantially linearly.
  • the delivery piston is biased by a return spring in the direction of the eccentric.
  • the return spring is disposed within the cylinder chamber.
  • the return spring may for example be clamped between the piston and a nozzle holder, on which the at least one nozzle is held.
  • the piston is surrounded in the circumferential direction of at least one sealing ring.
  • the sealing ring is designed as a piston ring. It has been shown that this allows a particularly low-friction storage of the delivery piston in the spray arm while ensuring a high density between the delivery piston and the surrounding wall of the spray arm.
  • the sealing ring in particular the piston ring, made of a plastic material based on PEEK, that is based on a polyetheretherketone material.
  • the piston is made in a preferred embodiment of a light metal, such as an aluminum alloy, or of a plastic material.
  • flow guide elements are arranged within the longitudinal bore of the piston, for example, cross-shaped webs, with the aid of which the flow can be aligned within the delivery piston.
  • the rotor housing is preferably mounted on a shaft and sealed with respect to this by means of at least one sealing ring. It is advantageous if the at least one sealing ring is designed as a piston ring.
  • the rotary drive of the rotor housing is preferably carried out by means of a drive motor which can be coupled via gear elements with the rotor housing. So for example, an angle gear can be used or a belt drive.
  • the housing is rigidly connected to the rotor of an external rotor motor. This allows a particularly compact design of the cleaning head with connected electric drive.
  • the cleaning head has a splash guard, in which the rotor housing is rotatably mounted and which has a liquid discharge opening.
  • a splash guard in which the rotor housing is rotatably mounted and which has a liquid discharge opening.
  • Such an embodiment of the cleaning head is particularly advantageous when used in a surface cleaning device for floor cleaning, because by means of splash guard is ensured in a structurally simple manner that the at least one, together with the rotor housing rotating nozzle, the surface to be cleaned only in the liquid discharge opening with cleaning liquid applied.
  • a shaft is rotatably held on the splash guard on which the rotor housing is rotatably mounted.
  • the cleaning head explained above is used in particular in a surface cleaning device.
  • the surface cleaning device comprises a handle on which the cleaning head is held.
  • Such a configuration has the advantage that the user can move the cleaning head with the help of the handle along a surface to be cleaned along, where he can assume an upright position.
  • the surface cleaning device is thus stalk-shaped in the manner of a Stielstaubsaugers.
  • the surface cleaning device has support means for supporting the surface cleaning device on the surface to be cleaned.
  • the user is thereby relieved of the weight of the surface cleaning device, in particular the weight of the cleaning head. This allows a particularly simple handling of the surface cleaning device.
  • the cleaning head is preferably arranged in the region of the end of the handle facing the surface to be cleaned, so that the center of gravity of the surface cleaning device is adjacent to the surface to be cleaned.
  • the surface cleaning device comprises a manually operable switching member for controlling the liquid discharge of the cleaning head. It is advantageous if the switching element is arranged in the region of the cleaning head facing away from the end of the stem. The handling of the surface cleaning device can be further simplified.
  • a particularly compact design can be achieved in a surface cleaning device according to the invention in that the handle forms a supply line for cleaning agent, wherein the supply line to a supply hose can be connected. It can be provided that in the region of the end facing away from the cleaning head of the stem, a connection fitting is arranged for connection of the supply hose.
  • FIG. 1 schematically an inventive surface cleaning device 10 is shown, which is designed as a hand-held, stalk-shaped pressure washer and can be moved by the user to clean a surface 11 along this. It comprises a handle 12, which is tubular and forms a supply line 13 for cleaning liquid, preferably water, which can be supplied to a cleaning head 15, which at the lower, the surface to be cleaned 11 facing the end of the stem 12 set is.
  • the cleaning head 15, which will be described below with reference to FIGS Figures 3 and 4 is explained in more detail, has a splash guard 17, which faces the surface 11 defines a liquid discharge opening 19 which is circumferentially surrounded by a splash guard in the form of a bristle strip 21 which contacts the surface 11.
  • an electric motor 27 is fixed to the handle 12, the housing 28 can be flowed around for cooling of cleaning liquid and is in operative connection with a rotatably mounted in the splash guard 17 about a rotational axis 29 rotor housing 30.
  • the cleaning head 15 end facing away from the handle 12 carries a manually operable by the user switching member 33 with a pivot lever 34 and a connection fitting 35th
  • the switching device 33 is designed pistol-like and includes a handle 37 which can be grasped by the user and on which the pivot lever 34 is pivotally mounted.
  • the switching device forms a check valve with which the flow of cleaning fluid can be selectively released and interrupted by the user.
  • connection fitting 35 is fixed to the end of the switching element 33 facing away from the handle 12 and serves to connect a low-pressure supply hose, via which the cleaning fluid can be supplied to the surface cleaning device 10.
  • two hook-shaped holder 38, 39 are fixed at a distance to each other around which an electric supply cable for the electric motor 27 can be wound when the surface cleaning device 10 is not in operation.
  • the cleaning head 15, the area of use is not limited to the stem-shaped surface cleaning device 10, which is explained for the sake of illustration on the example of surface cleaning device 10, has three hollow cylindrical spray arms 41, 42, 43 which are fixed at a uniform angular distance from each other on the rotor housing 30 and each radially are aligned with respect to the axis of rotation 29.
  • the spray arms 41, 42 and 43 each have a sleeve-shaped nozzle holder 45, which in the in the FIGS. 1 to 4 illustrated embodiment of the cleaning head 15 in the spray arm 41, 42 and 43 used and secured with transverse pins 47 and in the embodiment according to FIG. 5 is pressed onto the spray arm 41, 42 and 43 and protrudes with an end portion of the spray arm.
  • the nozzle holder 45 receives a nozzle 46.
  • the spray arms 41, 42 and 43 of the in the FIGS. 1 to 4 illustrated embodiment each lined by a sliding sleeve 49 which receives a displaceable in the longitudinal direction of the respective spray arm 41, 42, 43 feed piston 50, in the circumferential direction surrounded by a piston ring 52 is for sealing the delivery piston 50 relative to the sliding sleeve 49.
  • FIG. 5 illustrated alternative embodiment of the delivery piston 50 via the piston ring 52 directly to the inner wall of the respective spray arm 41, 42 and 43 at.
  • the nozzle 46 remote from the end portion of the delivery piston 50 is configured in the form of a spherical projection 54 which bears flat against a spherical recess 56 of a shoe 57.
  • the sliding shoe 57 bears with a support surface 59 facing away from the delivery piston 50 against a non-rotatable eccentric 60 which is surrounded by the rotor housing 30.
  • the sliding shoes 57 can slide along the peripheral surface 61 of the eccentric 60.
  • This is designed circular cylindrical, with its central axis 62 is arranged offset from the axis of rotation 29 of the rotor housing 30.
  • the eccentric 60 is rotatably held on a hollow shaft 64 which is rotatably held on an end wall 65 and a rear wall 66 of the splash guard 17, wherein it protrudes with its rear end 68 outwardly beyond the rear wall 66.
  • a continuous radial bore 70 connects.
  • the radial bore 70 opens into a radially extending flow channel 72 of the eccentric 60.
  • the flow channel 72 extends in the circumferential direction of the eccentric 60 preferably over an angular range of more than 180 °, in the illustrated embodiment, it extends over an angular range from about 220 °. It opens into the peripheral surface 61 and forms a flow connection between the interior of the hollow shaft 64 and a through hole 74 of the sliding shoes 57, to which in the direction of the respective nozzle 46, a longitudinal bore 76 of the respectively displaceably mounted in the respective spray arm 41, 42 and 43 delivery piston 50th followed.
  • the sliding shoes 57 have in the region of their contact surface 59 each have a recess 78, to which the through hole 74 connects in the direction of the delivery piston 50.
  • the delivery piston 50 are acted upon by means of a return spring 80 with an elastic restoring force in the direction of the respective shoe 57, so that the shoe 57 is pressed against the peripheral surface 61 of the eccentric 60.
  • the return spring 80 is clamped between the respective delivery piston 50 and the nozzle holder 45.
  • the spray arms 41, 42 and 43 define in the region between the respective delivery piston 50 and the nozzle holder 45, a cylinder chamber 82 into which the longitudinal bore 76 of the delivery piston 50 opens and via the sleeve-shaped nozzle holder 45 with the respective nozzle 46 in Flow connection is.
  • the cylinder chambers 82 of the spray arms 41, 42 and 43 cleaning liquid can be supplied. If the rotor housing 30 is rotated about the axis of rotation 29, the sliding shoes 57 slide along the peripheral surface 61 of the eccentric 60 and the spring piston 50 biased in the direction of the eccentric 60 lead due to the eccentric arrangement of the eccentric 60 relative to the axis of rotation 29 a There and Herrison within the respective spray arm 41, 42 and 43, so that within the cylinder chamber 82 cleaning fluid can be pressurized and then discharged through the nozzle 46.
  • the supply of cleaning liquid to the cylinder chamber 82 takes place during a rotational movement of the rotor housing 30 only along the portion of the circumference of the eccentric 60, in which the flow channel 72 opens, while in the flow channel 72 is not detected peripheral region, the flow connection between the hollow shaft 64 and the cylinder chamber 82nd is interrupted.
  • the flow channel 72 is arranged such that the delivery pistons 50 in the peripheral region of the eccentric 60 not covered by the flow channel 72 perform a lifting movement in the direction of the respective nozzle 46, the nozzle 46 facing the liquid discharge opening 19 and thus the surface 11 to be cleaned.
  • the area to be cleaned can thus be successively applied in strip form with cleaning liquid, whereby the cleaning liquid each dispensing nozzle 46 has a small distance from the surface 11, so that an intensive cleaning agent jet can be directed to the surface 11.
  • the supply of cleaning liquid to the rear end 68 of the hollow shaft 64 is carried out starting from the supply line 13 via a not shown in the drawing, known per se flexible connecting line, which can be connected to the rear end 68.
  • the rotor housing 30 is rotated by the electric motor 27.
  • the power transmission can be done, for example, with the help of a in FIG. 4 gear transmission 86 shown schematically, which is designed as an angular gear and a rotationally fixed to a motor shaft 87 held gear 88 which meshes with a ring gear 89 which is rotatably held on a bottom wall 91 of the rotor housing 30.
  • toothed gear 86 for example, a belt drive known per se and therefore not shown in the drawing can be used.
  • the electric motor 27 may be configured in the form of an external rotor motor 94 with a rotatably held on the hollow shaft 64 stator 95 which is surrounded by a rotor 96, wherein the rotor 96 rotatably on the bottom wall 91 of the rotor housing 30 is held. This allows a particularly compact design, wherein the use of a transmission can be omitted.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning Or Drying Semiconductors (AREA)

Claims (31)

  1. Tête de nettoyage pour projeter un liquide de nettoyage sous pression sur une surface à nettoyer, ladite tête de nettoyage comportant au moins un bras gicleur (41, 42, 43), qui est monté de façon à pouvoir tourner autour d'un axe de rotation (29) et auquel est fixée au moins une buse(46) à laquelle du liquide de nettoyage peut être amené par une pompe de compression intégrée dans la tête de nettoyage (15), caractérisée en ce que la tête de nettoyage (15) comporte un carter de rotor (30) qui entoure un excentrique (60) et qui est apte à tourner par rapport à l'excentrique (60) autour de l'axe de rotation (29), au moins un bras gicleur (41, 42, 43) étant fixé au carter de rotor (30) et un piston d'alimentation (50) étant monté de façon à pouvoir coulisser dans le bras gicleur (41, 42, 43), lequel piston peut être entraîné suivait un mouvement alternatif à l'intérieur du bras gicleur (41, 42, 43) conformément au mouvement de rotation du carter de rotor (30) autour de l'excentrique (60), le piston d'alimentation (50) pénétrant dans une chambre de cylindre (82) qui est en communication d'écoulement avec ladite au moins une buse(46) et à laquelle du liquide de nettoyage peut être amené.
  2. Tête de nettoyage selon la revendication 1, caractérisée en ce que le liquide de nettoyage peut être amené à la chambre de cylindre (82) en passant par l'excentrique (60) et le piston d'alimentation (50).
  3. Tête de nettoyage selon la revendication 2, caractérisée en ce que l'excentrique (60) comporte un canal d'écoulement (72), allant radialement, qui s'étend dans la direction circonférentielle de l'excentrique (60) seulement sur une zone partielle de l'excentrique (60).
  4. Tête de nettoyage selon la revendication 3, caractérisée en ce que le canal d'écoulement (72) s'étend dans la direction circonférentielle de l'excentrique (60) sur une plage angulaire d'au moins 90°.
  5. Tête de nettoyage selon la revendication 3 ou 4, caractérisée en ce que le canal d'écoulement (72) s'étend dans la direction circonférentielle de l'excentrique (60) sur une plage angulaire de plus de 180°.
  6. Tête de nettoyage selon l'une des revendications 2 à 5, caractérisée en ce que l'excentrique (60) est fixé sans pouvoir tourner à un arbre creux (64) qui permet d'amener le liquide de nettoyage à l'excentrique (60).
  7. Tête de nettoyage selon l'une des revendications précédentes, caractérisée en ce que le piston d'alimentation (50) est monté dans un patin (57) qui porte sur une surface périphérique (61) de l'excentrique (60).
  8. Tête de nettoyage selon la revendication 7, caractérisée en ce que le patin (57) possède un perçage traversant (74) qui permet de mettre le canal d'écoulement (72) de l'excentrique (60) en liaison d'écoulement avec un évidement (76) du piston d'alimentation (50).
  9. Tête de nettoyage selon la revendication 8, caractérisée en ce que l'évidement du piston d'alimentation (50) est conformé en perçage longitudinal (76).
  10. Tête de nettoyage selon l'une des revendications 7 à 9, caractérisée en ce que le patin (57) et le piston d'alimentation (50) portent l'un contre l'autre par le biais d'un évidement sphérique (56) et d'une saillie sphérique (54) pénétrant dans l'évidement (56).
  11. Tête de nettoyage selon la revendication 10, caractérisée en ce que la zone d'extrémité, dirigée vers le patin (57), du piston d'alimentation (50) forme la saillie sphérique (54) qui pénètre dans un évidement sphérique (56) du patin (57).
  12. Tête de nettoyage selon l'une des revendications 7 à 11, caractérisée en ce que le patin (57) possède, dans la zone de sa surface d'appui (59) portant contre l'excentrique (60), un creux (78) auquel se raccorde le perçage traversant (74) en direction du piston d'alimentation (50).
  13. Tête de nettoyage selon l'une des revendications précédentes, caractérisée en ce que le piston d'alimentation (50) est précontraint en direction de l'excentrique (60) au moyen d'un ressort de rappel (80).
  14. Tête de nettoyage selon la revendication 13, caractérisée en ce que le ressort de rappel (80) est disposé dans la chambre de cylindre (82).
  15. Tête de nettoyage selon la revendication 13 ou 14, caractérisée en ce que le ressort de rappel (80) est enserré entre le piston d'alimentation (50) et un support de buse(45) auquel est fixée ladite au moins une buse(46).
  16. Tête de nettoyage selon l'une des revendications précédentes, caractérisée en ce que le piston d'alimentation (50) est entouré dans la direction circonférentielle par au moins une bague d'étanchéité (52).
  17. Tête de nettoyage selon la revendication 16, caractérisée en ce que la bague d'étanchéité est conformée en segment de piston (52).
  18. Tête de nettoyage selon la revendication 16 ou 17, caractérisée en ce que la bague d'étanchéité (52) est fabriquée à partir d'une matière plastique à base de PEEK.
  19. Tête de nettoyage selon l'une des revendications précédentes, caractérisée en ce que le piston d'alimentation (50) est fabriqué à partir d'un métal léger ou d'une matière plastique.
  20. Tête de nettoyage selon l'une des revendications précédentes, caractérisée en ce que le carter de rotor (30) est monté à rotation sur un arbre (64), et est rendu étanche par rapport à celui-ci au moyen d'au moins une bague d'étanchéité.
  21. Tête de nettoyage selon la revendication 20, caractérisée en ce que ladite au moins une bague d'étanchéité est conformée en segment de piston.
  22. Tête de nettoyage selon l'une des revendications précédentes, caractérisée en ce que le carter de rotor (30) peut être couplé à un moteur d'entraînement (27) via des organes de transmission (86).
  23. Tête de nettoyage selon l'une des revendications précédentes, caractérisée en ce que le carter de rotor (30) est relié rigidement au rotor (96) d'un moteur à induit extérieur (94).
  24. Tête de nettoyage selon l'une des revendications précédentes, caractérisée en ce que la tête de nettoyage (15) possède un capot anti-projection (17), dans lequel le carter de rotor (30) est monté à rotation, et qui comporte une ouverture de sortie de liquide (19).
  25. Tête de nettoyage selon la revendication 24, caractérisée en ce qu'un arbre (64), sur lequel le carter de rotor (30) est monté à rotation, est fixé sans pouvoir tourner au capot anti-projection (17).
  26. Appareil de nettoyage de surfaces équipé d'une tête de nettoyage (15) selon l'une des revendications précédentes.
  27. Appareil de nettoyage de surfaces selon la revendication 26, caractérisé en ce que l'appareil de nettoyage de surfaces (10) comporte un manche (12) auquel est fixée la tête de nettoyage (15).
  28. Appareil de nettoyage de surfaces selon la revendication 26 ou 27, caractérisé en ce que l'appareil de nettoyage de surfaces (10) possède des moyens d'appui (24, 25) pour l'appui de l'appareil de nettoyage de surfaces (10) sur la surface à nettoyer (11).
  29. Appareil de nettoyage de surfaces selon la revendication 26, 27 ou 28, caractérisé en ce que l'appareil de nettoyage de surfaces (10) comporte un organe de commutateur (33) actionnable manuellement et destiné à commander la délivrance de liquide par la tête de nettoyage (15).
  30. Appareil de nettoyage de surfaces selon la revendication 29, caractérisé en ce que l'organe de commutateur (33) est fixé à l'extrémité du manche (12) qui est opposée à la tête de nettoyage (15).
  31. Appareil de nettoyage de surfaces selon l'une des revendications 27 à 30, caractérisé en ce que le manche (12) forme une conduite (13) d'amenée d'agent de nettoyage, ladite conduite d'amenée (13) pouvant être raccordée à un tuyau d'alimentation.
EP05810606A 2004-12-23 2005-11-18 Tete de nettoyage a pompe a pistons radiaux et appareil de nettoyage de surfaces pourvu d'une tete de nettoyage de ce type Not-in-force EP1833346B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004063202A DE102004063202A1 (de) 2004-12-23 2004-12-23 Reinigungskopf und Flächenreinigungsgerät mit derartigem Reinigungskopf
PCT/EP2005/012363 WO2006072277A1 (fr) 2004-12-23 2005-11-18 Tete de nettoyage a pompe a pistons radiaux et appareil de nettoyage de surfaces pourvu d'une tete de nettoyage de ce type

Publications (2)

Publication Number Publication Date
EP1833346A1 EP1833346A1 (fr) 2007-09-19
EP1833346B1 true EP1833346B1 (fr) 2010-07-21

Family

ID=35686475

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05810606A Not-in-force EP1833346B1 (fr) 2004-12-23 2005-11-18 Tete de nettoyage a pompe a pistons radiaux et appareil de nettoyage de surfaces pourvu d'une tete de nettoyage de ce type

Country Status (5)

Country Link
US (1) US7600698B2 (fr)
EP (1) EP1833346B1 (fr)
AT (1) ATE474494T1 (fr)
DE (2) DE102004063202A1 (fr)
WO (1) WO2006072277A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5872694B2 (ja) * 2011-07-14 2016-03-01 デデルト コーポレイション 電磁軸受および永久磁石回転子を有する回転式噴霧器
CN109440707B (zh) * 2018-11-06 2020-10-16 湖南仁天环保科技有限公司 一种新式的市政用街道泥土清理装置
CN114788665A (zh) * 2022-04-19 2022-07-26 帝舍智能科技(武汉)有限公司 一种防水驱动机构及清洁装置
CN115026032B (zh) * 2022-04-27 2023-10-10 华能江苏综合能源服务有限公司 一种新能源大倾角光伏板自动清扫装置

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DE2350898A1 (de) 1972-10-13 1974-04-25 Radomir Dipl-Ing Cvijovic Geraet zur behandlung, insbesondere reinigung, glatter flaechen
US4014067A (en) * 1975-06-20 1977-03-29 Charles Ross Bates Carpet cleaning implement
US4107816A (en) * 1976-12-22 1978-08-22 Babcock Kina Limited Cleaning heads
US4191590A (en) 1977-04-25 1980-03-04 The John J. Sundheim Family Estate Method and apparatus for cleaning carpets and surfaces using cleaning fluid
US4339840A (en) * 1979-10-30 1982-07-20 Monson Clifford L Rotary flooring surface treating device
US4690325A (en) * 1986-09-17 1987-09-01 Butterworth Jetting Systems, Inc. High pressure fluid delivery system
US4792096A (en) 1987-12-14 1988-12-20 Gregory T Jack Hose nozzle with high pressure pump
US5456412A (en) * 1992-03-16 1995-10-10 Agee; J. Christopher High pressure surface washing device
US5312044A (en) * 1992-12-29 1994-05-17 Eaton James O Pressure cleaning method and apparatus
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US6183212B1 (en) * 1999-02-17 2001-02-06 Stanadyne Automotive Corp. Snap-in connection for pumping plunger sliding shoes
EP1216761A1 (fr) 1999-08-09 2002-06-26 Vyacheslav Ivanovich Larin Dispositif de nettoyage hydrodynamique de surfaces et variantes
DE19949166A1 (de) * 1999-10-12 2001-04-26 Siemens Ag Vorrichtung zur Stabilisierung des Exzenterrings einer Radialkolbenpumpe
EP1262246A3 (fr) 2001-06-01 2003-11-26 Anton Jäger Dispositif de traitement de surfaces
DE10313396B4 (de) * 2002-03-26 2007-06-14 Falch Hochdruckstrahlsysteme Gmbh Hochdruckreinigungsgerät für im wesentlichen ebene Flächen
GB0224936D0 (en) * 2002-10-25 2002-12-04 Delphi Tech Inc Fuel pump assembly
DE102004013057B3 (de) * 2004-03-05 2005-07-14 Alfred Kärcher Gmbh & Co. Kg Flächenreinigungskopf

Also Published As

Publication number Publication date
US7600698B2 (en) 2009-10-13
ATE474494T1 (de) 2010-08-15
WO2006072277A1 (fr) 2006-07-13
US20080006715A1 (en) 2008-01-10
DE102004063202A1 (de) 2006-07-06
DE502005009983D1 (de) 2010-09-02
EP1833346A1 (fr) 2007-09-19

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