EP2435190B1 - Rotabuse pour nettoyeur haute pression - Google Patents

Rotabuse pour nettoyeur haute pression Download PDF

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Publication number
EP2435190B1
EP2435190B1 EP10721790.3A EP10721790A EP2435190B1 EP 2435190 B1 EP2435190 B1 EP 2435190B1 EP 10721790 A EP10721790 A EP 10721790A EP 2435190 B1 EP2435190 B1 EP 2435190B1
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EP
European Patent Office
Prior art keywords
nozzle body
nozzle
housing
accordance
rotor
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
EP10721790.3A
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German (de)
English (en)
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EP2435190A1 (fr
Inventor
Johann Georg Wesch
Kai Trautwein
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.)
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Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Priority to PL10721790T priority Critical patent/PL2435190T3/pl
Publication of EP2435190A1 publication Critical patent/EP2435190A1/fr
Application granted granted Critical
Publication of EP2435190B1 publication Critical patent/EP2435190B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/0409—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
    • B05B3/0463—Rotor nozzles, i.e. nozzles consisting of an element having an upstream part rotated by the liquid flow, and a downstream part connected to the apparatus by a universal joint
    • 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

Definitions

  • the invention relates to a rotor nozzle for a high-pressure cleaning device having the features of the preamble of claim 1.
  • Rotary nozzles are known with a housing having at least one inlet tangentially into the housing for a liquid and which is provided in an end wall with a pan-shaped, centrally perforated recess, and arranged in the housing, having a through-channel and having a spherical End in the pan-shaped recess supporting nozzle body whose longitudinal axis is inclined to the longitudinal axis of the housing.
  • Liquid in the housing is set in rotation about the longitudinal axis of the housing by the liquid flowing into the housing via the at least one inlet.
  • the nozzle body revolves together with the rotating fluid and thereby engages with a contact surface on its circumference to the inner wall of the housing.
  • a compact liquid jet revolving on a conical shell can be produced, which can be directed, for example, to a surface to be cleaned for cleaning purposes.
  • the inlet of the housing can be connected to a high-pressure cleaner, so that the housing can be supplied under high pressure liquid.
  • the nozzle body which is mounted on one side only on the pan-shaped recess and can move in the housing about the longitudinal axis of the housing, moreover.
  • the nozzle body has a passageway through which the liquid can pass through the perforated recess of the housing.
  • the longitudinal axis of the nozzle body is inclined relative to the longitudinal axis of the housing.
  • the supply of the pressurized fluid over the tangentially into the housing opening inlet ensures that fluid in the housing is rotated about the longitudinal axis of the housing and thereby rotates the nozzle body to the housing longitudinal axis by within the housing a rotating liquid column formed.
  • the at least one tangential inlet forms a flow resistance for the liquid, which leads to flow losses.
  • the diameter of the at least one tangential inlet could be increased.
  • this has the consequence that the flow velocity of the liquid in the region of the at least one tangential inlet decreases, and this in turn may result in that the nozzle body is not reliably displaceable in all cases in rotation about the housing longitudinal axis.
  • start-up behavior of the nozzle body can be impaired.
  • the startup behavior is understood to mean the start of the rotation of the nozzle body.
  • the nozzle body Before the housing is supplied under pressure fluid, the nozzle body is relative to the inner wall of the housing at rest, so he does not perform any circulation movement around the housing longitudinal axis. If now the supply of pressurized liquid via the at least one tangential inlet, the static friction between the nozzle body and the inner wall of the housing must first be overcome to the To be able to set the nozzle body in rotation. Thus, a relatively large initial frictional force must first be overcome to move the nozzle body.
  • the sliding friction which is usually lower than the initial static friction, is responsible for the friction behavior of the nozzle body on the inner wall of the housing. This has the consequence that for maintaining a rotational movement of the nozzle body about the housing longitudinal axis a lower force is required than for the start of the movement.
  • a rotor nozzle for a high-pressure cleaner known with the features of the preamble of claim 1.
  • a nozzle body is used, on the outside of a bearing ring is rotatably mounted.
  • the bearing ring has a groove which receives a rolling ring.
  • the Wälzring forms a contact surface, with which the nozzle body rests against a profiled annular region of the inner wall of the housing.
  • the rolling ring and / or the annular region are elastically deformable, so that a deformation work which reduces the rotational speed of the nozzle body is achieved at the end of the rolling ring at the annular region.
  • Object of the present invention is to develop a rotor nozzle of the type mentioned in such a way that flow losses in the rotor nozzle can be reduced without thereby the operation of the rotor nozzle, in particular the startup behavior of the nozzle body, is significantly affected.
  • a force can be transmitted to the nozzle body of the rotating liquid in the housing more effective, by which the nozzle body is rotated about the housing longitudinal axis in rotation.
  • This makes it possible to increase the flow cross-section of the at least one inlet tangentially opening into the housing without adversely affecting the operation of the rotor nozzle and, in particular, the start-up behavior of the nozzle body.
  • the flow velocity of the liquid in the region of the inlet is reduced by enlarging the flow cross section of the at least one inlet, this does not impair its startup behavior due to the outer contour deviating from the circular shape in the rear end region of the nozzle body. Instead, the nozzle body is reliably rotated by the rotating liquid in the liquid flowing in the housing around its longitudinal axis, even with an enlarged flow cross-section of the at least one tangential inlet.
  • the nozzle body revolving around the housing longitudinal axis bears against the inner wall of the housing with a contact surface.
  • the contact surface is formed by an annular bead, which is rotatably connected to the nozzle body.
  • the region of the nozzle body extends with an outer contour deviating from the circular shape to directly at the rear end of the nozzle body. It has been shown that this is a particularly effective Power transmission of the rotating about the housing longitudinal axis liquid on the nozzle body allows.
  • the nozzle body In its region with an outer contour deviating from the circular shape, the nozzle body has a non-circular shape which enables an effective transmission of force from the rotating fluid to the nozzle body.
  • the nozzle body can in this area, for example, have an oval shape or a wavy outer contour.
  • the nozzle body is designed to be angular in the region with an outer contour deviating from the circular shape.
  • the nozzle body may be formed, for example, star-shaped or in the form of a polygon, in particular a square or hexagon.
  • the provision of edges in the region of the outer contour of the nozzle body allows a particularly efficient transfer of forces from the liquid rotating about the housing longitudinal axis of the nozzle body so that it follows the movement of the liquid and also rotates about the housing longitudinal axis.
  • the nozzle body in its rear end region on the outside protruding ribs.
  • the ribs give the nozzle body a deviating from the circular outer contour.
  • the nozzle body may, for example, have a plurality of circumferentially uniformly distributed ribs, which are each aligned radially.
  • a radial plane is understood to mean a plane which is aligned in the radial direction with respect to the longitudinal axis of the nozzle body.
  • a plurality of ribs are aligned parallel to each other.
  • the liquid rotating in the housing about its longitudinal axis can not only result in the nozzle body rotating around the housing longitudinal axis corresponding to the liquid.
  • the liquid rotating about the longitudinal axis of the housing can act as a rotary drive for the nozzle body about its longitudinal axis, in particular in the front region of the nozzle body, with which it is mounted in the central cup-shaped recess, so that it is rotated in its own longitudinal axis about its own rotation.
  • the self-rotation about the longitudinal axis of the nozzle body is superimposed on the orbital motion of the nozzle body on the conical surface of the housing. The self-rotation causes the liquid jet emerging on the nozzle body to rotate about its longitudinal axis.
  • the liquid jet can fan out. This can have the consequence that the cleaning effect of the liquid jet already decreases at a short distance from the nozzle body.
  • the nozzle body has a circular outer contour in its end region facing the front, spherical end. The circular outer contour reduces the transmission of forces from the liquid rotating in the housing to the nozzle body in the front region of the nozzle body. The danger that the liquid jet after leaving of the nozzle body fanned, is kept low.
  • the nozzle body thus has in its rear end region a deviating from the circular outer contour, which improves the startup behavior of the nozzle body, and in its front end region, the nozzle body has a circular outer contour, the "self-rotation of the nozzle body about its own longitudinal axis keeps low.
  • a cylindrical configuration of the nozzle body in its front end region is of particular advantage.
  • the region with a circular outer contour extends over at least half of the total length of the nozzle body.
  • the nozzle body in its rear end region on a deviating from the circular outer contour extends at most over half the total length of the nozzle body.
  • the region with an outer contour of the nozzle body that differs from the circular shape is preferably shorter than the region with a circular outer contour relative to its longitudinal axis.
  • the region extends with an outer contour deviating from the circular shape in the longitudinal direction of the nozzle body over a maximum area of 40% of the total length of the nozzle body. It has been shown that a particularly good start-up behavior can be achieved with a relatively low intrinsic rotation of the nozzle body.
  • the annular bead in the longitudinal direction of the nozzle body on both sides join areas with deviating from the circular outer contour.
  • the annular bead is arranged in such an embodiment at a distance from the rear end of the nozzle body, and both in the region between the annular bead and the rear end of the nozzle body and in the adjoining the annular bead in the direction of the front end of the nozzle body region, the nozzle body has a on the circular shape deviating outer contour.
  • the annular bead can be formed, for example, by an O-ring frictionally connected to the nozzle body, which is arranged in an annular groove surrounding the nozzle body.
  • the annular bead in particular the O-ring, is preferably made of a rubber-elastic material.
  • the above-described self-rotation of the nozzle body about its own longitudinal axis can be reduced by the nozzle body has a centrifugal force-increasing mass element in its rear end region.
  • a centrifugal force which acts on the nozzle body perpendicular to the housing longitudinal axis and presses against the inner wall of the housing.
  • the centrifugal force acting on the nozzle body can be increased by increasing the mass of the nozzle body in its rear end region. It is therefore advantageous if it has a mass element in this end region, for example a metal body.
  • a spherical mass element is used, for example a metal ball, in particular a steel ball.
  • the liquid supplied to the housing via the at least one tangential inlet can leave the housing only in that it flows through the passage channel of the nozzle body and then passes through the perforated recess on the end wall of the housing.
  • the passageway extends in the axial direction through the nozzle body. The liquid can thus enter the passage at the rear end of the nozzle body and leave it at the front end of the nozzle body. It has been found that the cleaning effect of the rotor nozzle is improved by such a passage.
  • the passageway has a relatively large length. This calms turbulence in the liquid flow. Such turbulents can lead to a fanning out of the liquid jet flowing out of the nozzle body. The relatively large length of the passageway reduces the risk of turbulence.
  • the rectifier may have parallel to the longitudinal axis of the nozzle body extending walls which pass through the passageway diametrically.
  • the rectifier has two mutually perpendicular, parallel to the passage and extending these diametrically penetrating walls.
  • a centrifugal force-increasing mass element is arranged in the rear end region of the passage channel, which can be flowed around by the liquid.
  • the mass element can be pressed into the through-channel. This facilitates the assembly of the nozzle body.
  • a rectifier is arranged in the passage, which connects in the direction of the front, spherical end of the nozzle body to the mass element.
  • the liquid can flow through the nozzle body axially, wherein it enters the passage at the rear end of the nozzle body and initially flows around the preferably spherical or cylindrical mass element. Subsequently, the liquid flows through the rectifier, which adjoins the mass element in the direction of the front end of the nozzle body.
  • the rectifier results in a calming of the liquid jet by attenuating turbulence within the liquid jet. It can be achieved a virtually turbulence-free liquid flow, so that the risk is particularly low, that the liquid jet fanning out when leaving the nozzle body.
  • a rotor nozzle 10 is shown schematically for a not shown in the drawing high-pressure cleaner, which is screwed onto a jet pipe 12 of the high-pressure cleaner.
  • the jet pipe 12 is shown only in part in the drawing, since it is known to those skilled in the art. It comprises a pipe section 13, to whose not shown in the drawing, the rotor nozzle 10 end facing in a conventional manner, the pressure hose of the high-pressure cleaner can be connected, and a connecting portion 14 with an external thread 16 for releasably connecting the jet pipe 12 with the rotor nozzle 10th
  • the rotor nozzle 10 has a housing 20 with a first housing part 21 and a second housing part 22, which define an interior 24.
  • the first housing part 21 has a frustoconical front housing portion 26 with an end wall 28 and a jacket 30, and a rear housing portion 32 which integrally connects to the front housing portion 26 and is formed as a hollow cylinder. It carries an internal thread 34, in which the connecting portion 14 of the jet pipe 12 is screwed with its external thread 16.
  • a cylindrical sealing section 36 adjoins the internal thread 34, which merges into the substantially frustoconical interior space 24 via a shoulder 40 directed radially inward relative to the longitudinal axis 38 of the housing 20.
  • the second housing part 22 is configured in the form of a closure plate 42 which limits the interior 24 in the axial direction and rests on the one hand on the shoulder 40 and on the other hand on the free end 44 of the jet pipe 12.
  • a closure plate 42 limits the interior 24 in the axial direction and rests on the one hand on the shoulder 40 and on the other hand on the free end 44 of the jet pipe 12.
  • In the direction of the end wall 28 facing away from the closing plate 42 connects to the jet pipe 12 in the circumferential direction surrounding sealing ring 46, which ensures a liquid-tight connection of the jet pipe 12 with the rotor nozzle 10.
  • the end plate 42 has a plurality, preferably four, in the circumferential direction at a uniform distance from each other arranged tangential inlets 48, via the liquid which is supplied to the rotor nozzle 10 via the jet pipe 12 from a high-pressure cleaner, can enter the interior 24. Due to the tangential orientation of the inlets 48, the liquid entering the interior space 24 has a directional component oriented tangentially relative to the longitudinal axis 38. As a result, liquid 24 is set in rotation in the interior 24 about the longitudinal axis 38 of the housing 20.
  • the end wall 28 of the front housing section 26 has a central opening 50 which widens conically in the direction away from the end plate 42.
  • the central opening 50 is surrounded by a cup-shaped bearing ring 52, which bears on the outside a sealing ring 54 and is thereby sealed from the front housing section 26.
  • the spherical front end 56 of a nozzle body 60 is supported.
  • This is designed in several parts. It comprises a nozzle 62, which forms the front end 56 of the nozzle body 60, and a nozzle carrier 64 with a passage 68 extending axially along the longitudinal axis 66 of the nozzle body 60 into which the nozzle 62 is aligned with a nozzle channel aligned with the passage 68 70 is pressed and extends in its nozzle 62 facing away from the end portion stepped.
  • a centrifugal force-increasing mass body in the form of a steel ball 72 is pressed into the passage 68.
  • the steel ball 72 is adjoined in the passage 68 in the direction of the nozzle 62 by a rectifier 74, which has two mutually perpendicular walls 75, 76 running parallel to the longitudinal axis 66 of the nozzle body 60 and penetrating the passage 68 diametrically.
  • the steel ball 72 can be flowed around in the passageway 68 of liquid, so that, after passing through the rectifier 74 and the nozzle 62, it can flow through the bearing ring 52 and the central opening 50 and thereby leave the rotor nozzle 10.
  • the nozzle carrier 64 has a front peripheral region 78 with a circular outer contour and an adjoining rear peripheral region 80 with deviating from the circular shape outer contour.
  • the outer contour of the rear peripheral region 80 which deviates from the circular shape, is formed by means of ribs 82, 83, 84, 85, 86, 87, 88, 89 projecting on the outside from the nozzle carrier 64. This is especially true FIG. 3 clear.
  • the ribs 82 and 86 are in this case diametrically opposite and are each radically aligned with respect to the longitudinal axis 66 of the nozzle body 60.
  • the ribs 84 and 88 are diametrically opposite and are radially aligned.
  • the ribs 83 and 89 are aligned with each other and parallel to the ribs 84 and 88, and the ribs 85 and 87 are also aligned with each other and aligned parallel to the ribs 84 and 88.
  • the spacing of ribs 85 and 87 with ribs 84 and 88, respectively, is identical to the distance ribs 83 and 89 have from ribs 84 and 88, respectively.
  • the nozzle carrier 64 in the rear peripheral region 80 has a circumferentially circumferential annular groove 91 in which an O-ring 92 is frictionally held and thereby rotationally fixed.
  • the O-ring protrudes in the radial direction beyond the ribs 82 to 89. It forms a contact surface, with which the nozzle body 60 can be applied to the inner wall 94 of the housing 20.
  • the ribs 82 to 89 extend in the axial direction to both sides of the O-ring 92, wherein they extend to the front end 56 facing away from the rear end 96 of the nozzle body 60.
  • the ribs 82 to 89 extend over less than half the total length of the nozzle body 60.
  • the length of the ribs 82 to 89 is less than 40% of the total length of the nozzle body 60, for example 30% to 35% of the total length.
  • the rotor nozzle 10 is supplied via the jet pipe 12 under high pressure liquid, for example water, from a high-pressure cleaning device.
  • the liquid passes via the tangential inlets 48 into the interior 24 of the housing 20 and can leave the interior via the through-channel 68, the nozzle channel 70, the bearing ring 52 and subsequently via the central opening 50.
  • the interior 24 is filled with liquid during operation of the rotor nozzle 10, which is caused to rotate about the longitudinal axis 38 of the housing 20 by the fluid flowing in via the tangential inlets 48. It thus forms in the interior 24 a rotating about the longitudinal axis 38 liquid column.
  • the rotating liquid column takes with its spherical front end 56 in the bearing ring 52 supporting the nozzle body 60, so that it also rotates about the longitudinal axis 38 of the housing 20.
  • the nozzle body 60 rests against the inner wall 94 of the housing 20 via the O-ring 92 held non-rotatably on the nozzle body 60.
  • the longitudinal axis 66 of the nozzle body 60 is thus inclined to the longitudinal axis 38 of the housing 20.
  • the rear peripheral portion 80 of the nozzle body 60 is due to the inclination of the nozzle body 60 at least equal to the steel ball 72 on only one side of the longitudinal axis 38 of the housing 20, whereas the front peripheral portion 78 on both sides and on the opposite side the longitudinal axis 38 extends. This will be out of the FIGS.
  • FIG. 3 shows a sectional view perpendicular to the longitudinal axis 38 of the housing 20 in height of the steel ball 72
  • FIG. 4 shows a sectional view perpendicular to the longitudinal axis 38 of the housing 20 approximately in the center of the front peripheral portion 78th
  • the velocity vectors of the liquid flowing around the rear peripheral region 80 at the level of the steel ball 72 are in FIG. 3 illustrated by the arrows 101 and 102.
  • the arrow 101 shows the velocity vector of the liquid flowing around the rear peripheral portion 80 on the radially outer side 98
  • the arrow 102 shows the velocity vector of the liquid flowing around the rear peripheral portion 80 at the radial inner side 99.
  • the liquid has a higher speed than at the radial inner side, but the direction of the speeds coincides. This has the consequence that in the rear peripheral region 80, which is characterized by a deviating from the circular outer contour, from the about the longitudinal axis 38 of the housing 20 rotating liquid column, a considerable force on the nozzle body 60 can be transferred, so that this the orbital movement of the Liquid column follows about the longitudinal axis 38.
  • FIG. 4 the flow conditions of the liquid flowing around the nozzle body 60 are illustrated as they are present in the front peripheral region 78.
  • the front peripheral region 78 has a relatively short distance from the bearing ring 52. Despite its inclination to the longitudinal axis 38, therefore, the nozzle body 60 on both sides of the longitudinal axis 38 on peripheral regions, which are respectively flowed around by the liquid rotating about the longitudinal axis 38.
  • the arrow 104 symbolizes the velocity vector of the liquid, which flows around the front peripheral region 78 on a first side
  • the arrow 105 symbolizes the velocity vector of the liquid that flows around the front peripheral portion 78 on the first side opposite the second side. It can be seen that the velocity vectors 104 and 105 are opposite to each other.
  • the liquid flowing around the nozzle body 60 in the front peripheral region 78 therefore has the tendency to drive the nozzle body 60 about its own longitudinal axis 66 for its own rotation.
  • the front peripheral portion 78 in contrast to the rear peripheral portion 80 has a circular outer contour, only a relatively small force is transmitted to the nozzle body 60 in the front peripheral portion 78 of the rotating about the longitudinal axis 38 of the housing 20 liquid. This therefore has a relatively low intrinsic rotation.
  • the nozzle body 60 reliably to a circulation movement the longitudinal axis 38 driven without these forces have a self-rotation of the nozzle body 60 result.
  • the circulation movement of the nozzle body 60 about the longitudinal axis 38 has the consequence that emerges from the housing 20 of the rotor nozzle 10, a compact cleaning jet, which rotates on a conical surface.
  • This compact cleaning jet is particularly suitable for cleaning purposes.

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  • Nozzles (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (15)

  1. Rotabuse (10) destinée à un nettoyeur haute pression et comportant un carter (20) qui présente au moins un orifice d'entrée (48) pour un liquide débouchant tangentiellement dans le carter (20) et qui est pourvu, dans une paroi avant (28), d'un évidement cupuliforme à perçage central, et un corps de buse (60), disposé dans le carter (20), comprenant un canal de passage (68) dont une extrémité sphérique (56) prend appui dans l'évidement cupuliforme, et dont l'axe longitudinal (66) est incliné par rapport à l'axe longitudinal (38) du carter, le liquide se trouvant dans le carter (20) pouvant être mis en rotation autour de l'axe longitudinal (38) du carter (20) par le liquide s'écoulant dans le carter (20) en passant par l'orifice d'entrée ou les orifices d'entrée (48), et le corps de buse (60) entrant en rotation en accompagnant la rotation du liquide et s'appuyant par une surface d'appui au niveau de sa périphérie sur la paroi intérieure (94) du carter (20), et le corps de buse (60) présentant dans une zone d'extrémité arrière (80) opposée à l'extrémité sphérique avant (56) un contour extérieur s'éloignant de la forme circulaire, et la surface d'appui étant formée par un bourrelet annulaire (92), caractérisé en ce que le bourrelet annulaire (92) est relié solidaire en rotation au corps de buse (60).
  2. Rotabuse selon la revendication 1, caractérisée en ce que la zone (80) du corps de buse (60) s'étend avec son contour extérieur s'éloignant de la forme circulaire jusqu'à directement sur l'extrémité arrière (96) du corps de buse (60).
  3. Rotabuse selon la revendication 1 ou 2, caractérisée en ce que le corps de buse (60) est polygonal dans la zone (80) présentant le contour extérieur s'éloignant de la forme circulaire.
  4. Rotabuse selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de buse (60) comprend dans sa zone d'extrémité arrière (80) des nervures (82 à 89) faisant saillie vers l'extérieur.
  5. Rotabuse selon la revendication 4, caractérisée en ce qu'au moins certaines nervures (82, 84, 86, 88) s'étendent dans un plan radial par rapport à l'axe longitudinal (66) du corps de buse (60).
  6. Rotabuse selon la revendication 4 ou 5, caractérisée en ce qu'au moins certaines nervures (83, 85, 87, 89) s'étendent perpendiculairement à un plan radial par rapport à l'axe longitudinal (66) du corps de buse (60).
  7. Rotabuse selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de buse (60) présente dans une zone d'extrémité (78) tournée vers l'extrémité sphérique avant (56) un contour extérieur circulaire.
  8. Rotabuse selon la revendication 7, caractérisée en ce que la zone (78) s'étend par son contour extérieur circulaire sur au moins la moitié de la longueur totale du corps de buse (60).
  9. Rotabuse selon l'une quelconque des revendications précédentes, caractérisée en ce que des zones présentant le contour extérieur s'éloignant de la forme circulaire sont adjacentes des deux côtés au bourrelet annulaire (92) dans la direction longitudinale du corps de buse (60).
  10. Rotabuse selon la revendication 9, caractérisée en ce que le bourrelet annulaire est formé par un anneau torique (92), qui est disposé dans une rainure annulaire (91) entourant le corps de buse (60), et qui est relié par friction au corps de buse (60).
  11. Rotabuse selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de buse (60) comprend dans une zone d'extrémité arrière (80) un élément de masse (72) augmentant la force centrifuge.
  12. Rotabuse selon l'une quelconque des revendications précédentes, caractérisée en ce que le canal de passage (68) du corps de buse (60) s'étend dans la direction axiale à travers le corps de buse (60).
  13. Rotabuse selon la revendication 12, caractérisée en ce qu'un redresseur (74) est disposé dans le canal de passage (68).
  14. Rotabuse selon la revendication 12 ou 13, caractérisée en ce qu'un élément de masse (72) augmentant la force centrifuge, lequel peut être contourné par le liquide, est disposé dans une zone d'extrémité arrière du canal de passage (68).
  15. Rotabuse selon la revendication 14, caractérisée en ce que le redresseur (74) est adjacent à l'élément de masse (72) en direction de l'extrémité sphérique avant (56) du corps de buse (60).
EP10721790.3A 2009-05-25 2010-05-21 Rotabuse pour nettoyeur haute pression Active EP2435190B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10721790T PL2435190T3 (pl) 2009-05-25 2010-05-21 Dysza rotacyjna dla wysokociśnieniowego urządzenia czyszczącego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009023647A DE102009023647A1 (de) 2009-05-25 2009-05-25 Rotordüse für ein Hochdruckreinigungsgerät
PCT/EP2010/057080 WO2010136412A1 (fr) 2009-05-25 2010-05-21 Rotabuse pour nettoyeur haute pression

Publications (2)

Publication Number Publication Date
EP2435190A1 EP2435190A1 (fr) 2012-04-04
EP2435190B1 true EP2435190B1 (fr) 2015-09-30

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EP10721790.3A Active EP2435190B1 (fr) 2009-05-25 2010-05-21 Rotabuse pour nettoyeur haute pression

Country Status (10)

Country Link
US (1) US8820659B2 (fr)
EP (1) EP2435190B1 (fr)
CN (1) CN102448616B (fr)
BR (1) BRPI1012027B1 (fr)
DE (1) DE102009023647A1 (fr)
DK (1) DK2435190T3 (fr)
ES (1) ES2551163T3 (fr)
PL (1) PL2435190T3 (fr)
RU (1) RU2491995C1 (fr)
WO (1) WO2010136412A1 (fr)

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CN104379264A (zh) * 2012-08-07 2015-02-25 阿尔弗雷德·凯驰两合公司 用于高压清洁设备的转子喷嘴
CN103551330A (zh) * 2013-11-14 2014-02-05 宁夏中远天晟科技有限公司 一种铁路货车车辆的高压水射流除锈设备
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Publication number Publication date
PL2435190T3 (pl) 2016-02-29
EP2435190A1 (fr) 2012-04-04
ES2551163T3 (es) 2015-11-16
BRPI1012027A2 (pt) 2016-05-10
DE102009023647A1 (de) 2010-12-02
WO2010136412A1 (fr) 2010-12-02
DK2435190T3 (en) 2015-12-14
RU2011153014A (ru) 2013-07-10
CN102448616B (zh) 2015-02-18
CN102448616A (zh) 2012-05-09
BRPI1012027B1 (pt) 2020-06-09
US20120138706A1 (en) 2012-06-07
RU2491995C1 (ru) 2013-09-10
US8820659B2 (en) 2014-09-02

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