EP3507023A1 - Dispositif de distribution destiné à pulvériser un milieu pulvérisable - Google Patents

Dispositif de distribution destiné à pulvériser un milieu pulvérisable

Info

Publication number
EP3507023A1
EP3507023A1 EP18755169.2A EP18755169A EP3507023A1 EP 3507023 A1 EP3507023 A1 EP 3507023A1 EP 18755169 A EP18755169 A EP 18755169A EP 3507023 A1 EP3507023 A1 EP 3507023A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
face
spray head
dispensing device
outlet opening
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.)
Granted
Application number
EP18755169.2A
Other languages
German (de)
English (en)
Other versions
EP3507023B1 (fr
Inventor
Gerhard Seeberger
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.)
Gelupas GmbH
Original Assignee
Gelupas GmbH
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 Gelupas GmbH filed Critical Gelupas GmbH
Priority to RS20230813A priority Critical patent/RS64683B1/sr
Publication of EP3507023A1 publication Critical patent/EP3507023A1/fr
Application granted granted Critical
Publication of EP3507023B1 publication Critical patent/EP3507023B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2429—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together after discharge
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
    • A45D19/02—Hand-actuated implements, e.g. hand-actuated spray heads
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/05—Details of containers
    • A45D2200/054—Means for supplying liquid to the outlet of the container
    • A45D2200/057—Spray nozzles; Generating atomised liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/1413—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising a container fixed to the discharge device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/1472—Powder extracted from a powder container in a direction substantially opposite to gravity by a suction device dipped into the powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2416—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives

Definitions

  • Dispensing device for spraying a sprayable medium
  • the invention relates to an output device for spraying a sprayable medium, which is designed as a hand-held device.
  • a so-called airbrush system For applying make-up, a so-called airbrush system is known.
  • Such devices are used by professional make-up artists. These have a compressor and a plurality of hose lines which remove the respective make-up from individual stores of different make-ups and discharge them via a common spray nozzle. They are cleaned after each use, so that they are provided again for subsequent use.
  • airbrush systems are not suitable for carrying in a handbag, so that, for example, a quick application or refreshing the make-up is possible.
  • US 2004/0050963 A1 discloses an output device as a handheld device for spraying a sprayable fluid.
  • This handset has a motor for generating compressed air, which is guided by means of a compressed air line to a spray head.
  • an insert with a medium to be dispensed is provided in the housing, wherein a nozzle of the insert is also associated with the spray head.
  • an outwardly facing opening is provided in the housing which is associated with a arranged within the housing atomizer.
  • the nebulizer zone is supplied with the compressed air.
  • the nozzle opens to supply the medium to be dispensed. Upon coincidence of the compressed air and the medium to be dispensed, this is swirled and mixed within the atomizer zone in the housing before it emerges from the opening from the housing.
  • a hand-held dispensing device which comprises in a housing a motor and an air pump, which is driven by the motor. Furthermore, a reservoir for a fluid to be applied is provided in the hand-held device. In this dispenser, the fluid to be dispensed is mixed in a mixing chamber of the spray head with the air and then discharged through a nozzle. In such hand-held devices, drying of the fluid to be dispensed may cause clogging of the nozzle, rendering the entire dispenser inoperative. In addition, an application of the medium to be dispensed, in particular makeup, often uneven, making handling difficult.
  • the invention has for its object to provide an output device for spraying a sprayable medium, in particular fluid or powder, which in addition to the training as a handheld device allows a fine spraying and uniform application of the medium to a surface.
  • an output device for spraying a sprayable medium, in particular fluid or powder which is designed as a hand-held device, in which the first and / or the second nozzle are formed as a bore in the spray head or as an inserted pipe section in the spray head.
  • a diverse design of the spray head and the arrangement and assignment of the first and second nozzle to each other in the Zerstäuberzone is possible.
  • an additional piece of pipe can be advantageous if the spray head is made of plastic, for example.
  • the spray head can be made of plastic, and the two bores, which form the first and second nozzles, can be arranged integrally in the spray head.
  • the second nozzle covers an inner cross section of the first nozzle by at least 1%.
  • the Bernoulli effect causes the fluid or powder to be conveyed out of the second nozzle and fed to the nebulizer zone.
  • a very fine spray mist can be produced, which enables a uniform application to a surface, for example on the skin of a user. Dripping can be prevented.
  • a nationwide order can be made possible. With a short distance of the dispenser to a job site can be made possible only by a specific punctual order of the fluid or powder. Due to the fact that the nozzles are preferably located outside a spray head and form a spray zone outside the two nozzles, drying or sticking of the nozzles in the spray head can also be prevented. As a result, the handset is usable over a longer period of time.
  • the atomizer zone is preferably provided outside the spray head, the first nozzle being provided in a first end face of the spray head and the second nozzle being provided in a second end face of the spray head and the first and second end faces adjoining one another or merging with one another. It can be provided that the first and second end face adjoin one another at right angles. It can also be provided that the second end face is oriented inclined to the first end face and occupies an angle greater than 90 °. Furthermore, it can be provided that, for example, the two end faces, starting from the first end face, comprise a curved or trough-shaped course, wherein the end face can be aligned in the direction of a leading edge of the second nozzle.
  • the end face of the first nozzle lies in the first end face of the spray head or protrudes with respect to it and / or the end face of the second nozzle lies in the second end face or protrudes with respect to the second end face of the spray head.
  • the air flow emerging from the first nozzle or a wall nozzle can flow around the second nozzle, so that the air flow forcibly extracts the medium, in particular fluid or powder, from the second nozzle by means of a vacuum effect.
  • the medium is first atomized via a trailing edge on the front side of the second nozzle and subsequently sprayed.
  • an inflow edge and an inflow edge opposite the inflow edge may be provided on an end face of the second nozzle, wherein the leading edge of the first nozzle is assigned and the end face of the second nozzle is arranged in an angle of incidence ⁇ of more than 0 ° to a central axis of the first nozzle in that the outlet opening of the second nozzle is oriented away from the outlet opening of the first nozzle.
  • the leading edge of the second nozzle of the outlet opening of the first nozzle is associated tangentially. It can thereby be achieved that the leading edge of the second nozzle is arranged at a small distance from the outlet opening of the first nozzle. It can be provided that the leading edge touches the end face of the first nozzle tangentially.
  • a further advantageous embodiment of the dispensing device provides that the end face of the first nozzle is aligned at an inclination angle ⁇ smaller than 90 ° to the central axis of the first nozzle and in the discharge direction a recessed relative to the central axis and a projecting spoiler edge is formed, wherein the projecting spoiler edge of the leading edge associated with the second nozzle.
  • the end face of the first nozzle has a cannula-shaped bevel and in the discharge direction a tear-off edge protruding from the outlet opening is formed, which is assigned to the second nozzle.
  • This embodiment of the first nozzle also makes it possible to achieve a guidance of the air flow, in which the air flow is supplied at a favored angle of attack to an end section of the second nozzle.
  • the end face of the first nozzle has a V-shaped or U-shaped notch.
  • This embodiment of the first nozzle also makes it possible to achieve an optimized air flow at the second nozzle, which positively influences both the material output from the second nozzle and the atomization of the fluid or powder.
  • the end face of the second nozzle in plan view, to be aligned with the outlet opening of the first nozzle, aligned with a plane extending horizontally through the center axis of the first nozzle.
  • a development of the dispensing device provides that a seen in the plan view of the outlet opening of the first nozzle side edge of the end face of the second nozzle is disposed above the horizontally extending through the central axis of the first nozzle plane and one of the side edge opposite side edge of the end side below this plane is.
  • This configuration of the dispensing device can also be used to dose the amount of fluid or powder to be applied.
  • An alternative development to the previously described dispensing device provides that the side edge of the end face of the second nozzle seen in the plan view of the outlet opening of the first nozzle are arranged above the plane extending horizontally through the center axis of the first nozzle. Also by this configuration, a dosage of the amount of fluid or powder to be dispensed can be influenced.
  • a central axis of the second nozzle is arranged offset to a vertical plane extending through the center axis of the first nozzle, so that the center axes intersect in a side view, but are arranged laterally offset from one another in an end view of the nozzles.
  • the center axis of the second nozzle is disposed between the plane passing through the center axis of the first nozzle and a plane tangential to the inner wall of the first nozzle.
  • a turbulent flow can occur at the outlet opening of the second nozzle, wherein, depending on the orientation of the nozzles, a metering of the material output from the second nozzle can be influenced.
  • the center axis of the second nozzle is arranged askew to the central axis of the first nozzle.
  • a further preferred embodiment of the dispensing device provides that an inner diameter of the second nozzle is smaller than an inner diameter of the first nozzle.
  • the inner diameter of the second nozzle has a direct influence on the output of the medium to be applied, for a sprayable fluid with a higher viscosity or a powder with a coarser freeness a larger inner diameter of the second nozzle is to be provided, as in a low-viscosity or low-viscosity fluid or fine powder.
  • an outer diameter of the second nozzle is smaller than an outer diameter of the first nozzle.
  • the inner cross section of the outlet opening of the first nozzle is covered in the plan view of the outlet opening of the first nozzle to at least 30%, preferably in a range between 30% and 90% is covered. In the region of this degree of coverage of the outlet opening of the first nozzle, an optimum ratio between the output quantity of fluid or powder and the degree of atomization of the fluid or powder can be achieved.
  • the fluid line to the spray head has a taper, which is associated with the outlet opening of the second nozzle and preferably the taper has a length of less than 1 cm.
  • the inner diameter of the second nozzle can be adapted to the material properties, for example the viscosity of the fluid to be dispensed or the degree of grinding of the powder.
  • the provision of such a taper in a position of the dispenser in a use position, in particular with a length of less than 1 cm prevent dripping or leakage of the fluid or powder from the reservoir.
  • An enlarged cross-section of the fluid line in the reservoir to the taper has the advantage that the Bernoulli effect still a sufficient amount of the fluid or powder can be output.
  • the outflow edge of the second nozzle is sharp-edged. As a result, a good atomization can be achieved.
  • the spray head is integrally formed with the first and second nozzles.
  • the spray head is designed as an injection molded part.
  • a connection for the fluid line and / or the pressure line is integrally formed on the spray head, which is designed as an injection molded part.
  • a cap for a cartridge, a vial or the like may be provided in which the fluid to be dispensed is stored.
  • FIG. 1 is a perspective view of an output device
  • FIG. 2 shows a schematic detail view of the dispensing device according to FIG. 1,
  • FIG. 3 shows a schematic sectional view of the dispensing device according to FIG. 1,
  • FIG. 4 shows a schematic detail view of two nozzles on a spray head of the dispensing device according to FIG. 1,
  • FIG. 5 shows a schematic detail view of an alternative embodiment of the spray head according to FIG. 4,
  • FIG. 6 shows a schematic detail view of an alternative arrangement of the nozzles on the spray head of the dispensing device according to FIG. 4, FIG.
  • FIG. 7 shows a schematic detail view of an alternative embodiment to FIG. 4,
  • FIG. 8 shows a further schematic detail view of an alternative embodiment of the spray head to FIG. 4, FIG.
  • FIG. 9 shows a schematic detail view of a further alternative embodiment of the spray head to FIG. 4, FIG.
  • FIG. 10 shows a further schematic detail view of an alternative arrangement of the nozzles on the spray head of the dispensing device according to FIG. 4,
  • FIG. 11 shows a further schematic detail view of an alternative arrangement of the nozzles on the spray head of the dispenser according to FIG. 4, FIG.
  • FIG. 12 shows a further schematic detail view of an alternative arrangement of the nozzles on the spray head of the dispensing device according to FIG. 4,
  • FIG. 13 shows a further schematic detail view of an alternative arrangement of the nozzles on the spray head of the dispensing device according to FIG. 4, FIG.
  • FIG. 14 shows a further schematic detail view of an alternative arrangement of the nozzles on the spray head of the dispensing device according to FIG. 4,
  • FIG. 15 shows a further schematic detail view of an alternative arrangement of the nozzles on the spray head of the dispensing device according to FIG. 4,
  • Figure 16 is a detail view of the spray head in a plan view of the outlet opening of the first nozzle of the spray head and
  • FIG. 17 shows a detail view according to FIG. 8 of an alternative embodiment of the spray head.
  • FIG. 1 shows a perspective view of an output device 11 for spraying a sprayable fluid or powder.
  • 2 shows the output device 11 according to FIG. 1 with a housing 12, which is not shown in any detail, and
  • FIG. 3 shows a schematic sectional view of the output device 11 according to FIG. 1. The following explanations are as it were related to FIGS. 1 to 3.
  • the dispenser 11 is designed in particular as a handheld device for dispensing a liquid or powdered medium, for example make-up, hair spray or the like.
  • This dispensing device 11 comprises a housing 12 and a spray head 14 arranged on the housing 12.
  • a housing portion is removable from the housing 12, which only allows access to the insertion of the reservoir 41 and / or a closure 42 and / or a spray head 14, so that all other components remain closed by the housing 12 ,
  • a reservoir 41 is inserted with a spray head 14 arranged thereon and a connection 81 as a unit in the housing 12.
  • the housing 12 may have a receptacle into which the reservoir 41 can be inserted by clipping. In it, the reservoir 41 can be recorded secured. By at least one release element or a release button, the reservoir 41 can be removed together with the spray head 14 from the housing 12. By changing the reservoir 41 together with the spray head 14 and a cleaning of the spray head 14 when changing the medium to be applied is not required.
  • a compressed air device 86 is provided, through which an air flow is generated and fed to the spray head 14 via a supply line 36.
  • This compressed air device 86 operates with ambient air.
  • An additional propellant gas as with conventional spray cans is not required.
  • this dispenser 11 fluids and also powders can be issued, which are also issued by such spray cans.
  • this supplies a first nozzle 38 on the spray head 14 with the air flow.
  • the compressed air device 86 may include, for example, an electric drive motor 18. This is supplied, for example, by means of an accumulator 19 provided in the housing 12. This can be replaceable provided in the housing 12. Alternatively, a wireless as well as a wired charge of the accumulator 19 may be provided.
  • the drive motor 18 may be contacted with a controller, not shown. By a control knob on the housing 12, the drive motor 18 can be activated, whereby an air pump 22 is driven, which generates the air flow.
  • the air pump 22 is supplied, for example, through inlet openings in the housing wall of the housing 12 with air. In this case, one or more air inlet openings may preferably be provided with a filter in the housing wall.
  • the air flow is supplied via the supply line 36 of the first nozzle 38 on the spray head 14. Between the supply line 36 and the spray head 14, a port 81 is provided. This terminal 81 is preferably designed as a plug connection.
  • a media-tight connection between the spray head 14 and the supply line 36 can be created.
  • This connection can be detachable, so that the spray head 14 can be made exchangeable.
  • the supply line 36 may also be provided a connecting piece, which can be arranged pluggable on the spray head 14 and / or on the air pump 22.
  • a regulation of the air pressure may be appropriate. This can be designed, for example, as a regulating opening, as a slide, as a setting wheel or the like. In particular, such a regulation is provided in the one-piece spray head 14 as an injection molded part.
  • the reservoir 41 and the closure 42 are preferably integrally formed with the spray head 14.
  • the spray head 14 may also be releasably attached to the closure 42 and / or the reservoir 41.
  • the closure 42 can be connected to the spray head 14 by means of a flange, latching, clip-on, plug-in or screw connection.
  • the spray head 14 and the reservoir 41 are preferably integrally formed, so that they form a sales unit, which is completely inserted into the housing 12.
  • the reservoir 41 and / or the spray head 14 may include a supply air opening, so that a pressure equalization in the reservoir 41 is automatically given during the output of the medium.
  • a viewing window 79 may be provided in order to read a level of the reservoir 41 in a simple manner.
  • the spray head 14 comprises the first nozzle 38, which according to arrow 65 in Figure 3 has an outlet direction for the air flow. At an angle of preferably less than 90 °, in particular 89 ° to 80 °, a second nozzle 46 is arranged. Via this second nozzle 46, the stored in the reservoir 41 fluid or powder is output. By this arrangement and alignment of the two nozzles 38, 46 to each other outside of the spray head 14, a spray zone 49 is formed.
  • the air flow discharged from the first nozzle 38 flows around the second nozzle 46.
  • the second nozzle 46 is flowed around in the region of an outlet opening 84 of the nozzle 46, so that due to a generated Bernoulli Effect, a negative pressure at the outlet opening 84 of the nozzle 46 is generated.
  • the fluid or powder is conveyed out of the reservoir 41 and fed through the second nozzle 46 of the atomizer 49.
  • the outlet opening 84 of the second nozzle 46 protrudes into the air flow emerging from the first nozzle 38. As a result, a flow around the nozzle 46 can take place through the air flow in the discharge direction 65.
  • the first nozzle 38 may protrude from a first end face 91 of the spray head 14, as shown in FIG. Likewise, the first nozzle 38 may be provided flush with the end face 91 of the spray head 14, as shown in Figure 4.
  • the outlet opening 84 of the second nozzle 46 protrudes from the atomizer zone 49 delimiting end face 89 on the spray head 14. This end face 89 may be provided starting from the second nozzle 46 sloping, so that the spray head 14 opposite the atomizer 49 opens.
  • the fluid line 44 may have a taper 92 starting from an end of the fluid line 44 located in the reservoir 42 to the outlet opening 84 of the second nozzle 46.
  • the nozzle cross section is smaller than the cross section of the fluid line 44 in the reservoir 42 to the spray head 14.
  • the taper 92 may have a length of less than 1 cm.
  • a protective cap On the spray head 14 may be provided a protective cap.
  • This protective cap can be connected to a film hinge on the spray head 14.
  • the protective cap can also be placed or plugged onto the spray head 14.
  • the protective cap can have one or more closure elements, a closure element being provided for the nozzle 46 issuing the fluid, and preferably at the same time a closure element for a ventilation opening leading to the reservoir 41.
  • a protective cap serves to protect against damage.
  • FIGS. 4 to 17 show various schematically enlarged embodiments of the spray head 14, from which different positions, orientations and / or configurations of the first nozzle 38 to the second nozzle 46 emerge.
  • the outlet opening 84 of the second nozzle 46 protrudes into the air flow emerging from the first nozzle 38 in order to atomize the fluid or powder discharged through the second nozzle 46 in the atomizer zone 49.
  • the second nozzle 46 is arranged at an angle of attack ⁇ of less than 90 ° to a center axis 93 of the first nozzle 38 in the discharge direction 65.
  • an angle of incidence ⁇ of 89 ° to 80 ° is formed between the center axis 93 of the first nozzle 38 and a center axis 94 of the second nozzle 46.
  • Figures 4 to 15 differ at least in that the end faces 87, 88 of the first and second nozzles 38, 46 have different configurations and orientations to one another, wherein the different configurations and orientations described below can be combined with one another as desired.
  • an end face 87 of the first nozzle 38 is oriented orthogonal to the center axis 93 of the first nozzle 38 and an end face 88 of the second nozzle 46 is parallel to the center axis 93 of the first nozzle 38.
  • a spray jet 51 is exemplary shown.
  • the end face 87 of the first nozzle 38 is preferably located in an end face 91 of the spray head 14.
  • the end face 88 of the second nozzle 46 preferably protrudes from an end face 89 of the spray head 14.
  • the first end face 91 and the second end face 89 adjoin or overlap one another.
  • the second end face 89 extends from the first end face 91 to the second nozzle 46. Preferably, these are arranged at an angle of 90 °.
  • a third end face 90 connects. This may lie in the plane of the second end face 89 or be inclined with respect to this, so that the open and outer atomizing zone 49 is formed. These end faces 91, 89, 90 form a delimitation of the housing 12 to the atomizer zone 49.
  • a so-called wall nozzle is formed.
  • the second nozzle 46 protrudes from the second end surface 89.
  • the second end surface 89 may be formed by an inclined surface which is oriented at an angle greater than 90 ° to the first end surface 91 and merges into the third end surface 90.
  • the second nozzle 46 has a leading edge 96 which is associated with the outlet opening 83 of the first nozzle 38.
  • the second nozzle 46 is arranged in the outflow direction 65 in front of the outlet opening 83 of the first nozzle 38, so that a cross-section of the outlet opening 83 of the first nozzle 38 is concealed in a plan view of the outlet opening 83 of the first nozzle 38 to at least 1%.
  • an overlap of at least 30% can be provided.
  • the end face 88 of the second nozzle 46 may lie between the axis 98 and the center axis 93 or above the center axis 93.
  • the second nozzle 46 in particular an end portion of the second Nozzle 46, is completely surrounded by the air flow.
  • the inner cross section of the outlet opening 83 of the first nozzle 38 is covered in the plan view of the outlet opening 83 of the first nozzle 38 in a range between 30% and 90%.
  • leading edge 96 of the second nozzle 46 is assigned directly to the outlet opening 83 of the first nozzle 38, for example, the leading edge 96 tangentially contacts the end face 87 of the first nozzle 38. (This is illustrated by way of example in FIG. 6.)
  • the leading edge 96 is flowed by the air flow emerging from the first nozzle 38, so that a flow around the outlet opening 84 of the second nozzle 46 is formed and at the outlet opening 84 of the second nozzle 46 through the Bernoulli Effect of negative pressure is generated.
  • the trailing edge 99 is preferably formed sharp-edged. This is especially provided in all embodiments.
  • FIG. 5 shows an alternative arrangement of the first and second nozzles 38, 46 in the atomizer zone 39.
  • the embodiment according to FIG. 5 differs from the embodiment according to FIG. 4 in that the end face 87 of the first nozzle 38 opposite the first end face 91 on the spray head 14 protrudes.
  • the embodiment corresponds to the embodiment according to FIG. 4.
  • FIG. 6 differs from FIG. 4 or FIG. 5 in that the end face 88 of the second nozzle 46 is inclined relative to the central axis 93 of the first nozzle 38. Due to the inclination of the end face 88, the outlet opening 84 of the second nozzle 46 has an orientation which points in an opposite direction with respect to the outlet opening 83 of the first nozzle 38.
  • the leading edge 96 of the first nozzle 38 is assigned, and one of the leading edge 96 opposite trailing edge 99 is arranged in the discharge direction 65 to a side facing away from the first nozzle 38 side.
  • an inclination angle ⁇ of more than 0 ° degree is formed between the end face 88 of the second nozzle 46 and the central axis 93 of the first nozzle 38.
  • an angle of inclination of more than 1 ° is formed between the central axis 93 and the end face 88.
  • FIG. 7 shows a further alternative embodiment of the spray head 14 to FIG.
  • the first nozzle 38 is formed as a bore in the spray head 14.
  • the nozzle 38 is formed as an inserted pipe section.
  • the second nozzle 46 is inserted as a pipe section in the spray head 14.
  • This pipe section in the nozzle 46 may be aligned at an angle of 90 ° with respect to a longitudinal axis 94 to the longitudinal axis 93 of the first nozzle 38.
  • the second nozzle 46 may be inclined, as shown for example in Figures 5 and 6.
  • the second end surface 89 may be aligned inclined to the first end face 91.
  • the second end face and the third end face 89, 90 may also lie in one plane.
  • FIG. 8 shows a further alternative embodiment to FIG.
  • the first nozzle 38 is formed as a bore in the spray head 14.
  • the second nozzle 46 is likewise designed as a bore in the spray head 14. This second nozzle 46 may be aligned at right angles to the longitudinal axis 93 of the first nozzle 38 with respect to the longitudinal axis 94.
  • the longitudinal axis 94 of the second nozzle 46 may also be aligned at an angle smaller than 90 ° to the longitudinal axis 93 of the first nozzle 38.
  • a leading edge 96 is formed, which protrudes relative to the second end face 89.
  • the end face 88 of the second nozzle 46 may be aligned parallel to the longitudinal axis 93 of the first nozzle 38 or inclined relative to the third end face 90.
  • the trailing edge 99 may be formed in a transition region downstream of the second nozzle 46 to the third end face 90.
  • an inner wall 97 of the bore of the first nozzle 38 is formed flush with the second end face 89.
  • FIG. 9 shows a schematic detail view in a further alternative embodiment of the spray head 14.
  • the first and second nozzles 38, 46 are each provided as a bore in the spray head 14.
  • the spray head 14 consists of a plastic part, in particular plastic injection molded part.
  • the longitudinal axis 94 of the second nozzle 46 is preferably aligned at right angles to the longitudinal axis 93 of the first nozzle 38.
  • the first nozzle 38 is designed as a wall opening, that is to say that the end face 87 of the first nozzle 38 lies in the end face 91.
  • the second end face 89 is formed, wherein this has a trough-shaped course or a depression. From a lowest point of the depression, a preferably continuous transition is provided up to the leading edge 96. As a result, an additional nozzle effect or entrainment effect can be achieved. In addition, can be achieved by the outflowing medium, in particular air, from the nozzle 38, that a liquid or powdery medium which is supplied to the second nozzle 46, does not accumulate in the corner region or in the recess of the second end face 89. To form the trailing edge 99, the third end face 90 is arranged inclined to the end face 88 of the second nozzle 46. As a result, a sharp-edged trailing edge 99 can be achieved.
  • FIGS. 10 and 11 each show an alternative embodiment of the dispensing device 11, in which, compared to the embodiment according to FIG. 5, the end face 87 of the first nozzle 38 is aligned inclined to the center axis 93 of the first nozzle 38.
  • the inclination angle ⁇ is less than 90 ° to the central axis 93 of the first nozzle 38, in particular, the inclination angle is in a range between 1 ° to 20 °.
  • two tear-off edges 101 are formed on the first nozzle.
  • One of the two tear-off edges 101 is set back in the discharge direction 65 with respect to the central axis 93, the other tear-off edge 101 is protruding from the central axis 93. In this case, the protruding tear-off edge 101 is assigned to the second nozzle 46.
  • FIGS. 12 and 13 each show a further alternative embodiment of the dispensing device 11, in which, compared with the embodiment according to FIG. 5, the end face 87 of the first nozzle 38 has a cannula-shaped bevel 102.
  • This cannula-shaped bevel forms a concave configuration of the end face 87 in a vertical longitudinal section through the nozzle 38.
  • Two tear-off edges 101 are likewise formed on the first nozzle 38 by the cannula-shaped bevel 102, one of the two tear-off edges 101 being set back in the direction of discharge 65 with respect to the central axis 93 is and the other tear-off edge 101 is provided projecting with respect to the central axis 93.
  • the protruding tear-off edge 101 is assigned to the second nozzle 46.
  • FIGS. 14 and 15 show an alternative embodiment of the end face 87 of the nozzle 38 of the dispensing device 11 to FIG. 6 and FIG.
  • the end face 87 of the first nozzle 38 has a V-shaped bevel 103.
  • the bevel 103 of the end face 87 may have a U-shaped configuration.
  • two tear-off edges 101 are formed, which are arranged in a common plane orthogonal to the central axis 93 of the first nozzle 38.
  • FIG 16 shows a detailed view of the spray head 14 in a plan view of the outlet opening 83 of the first nozzle 38.
  • This view illustrates that the two nozzles 38, 46 may be aligned with each other in such a way that the central axis 94 of the second nozzle 46 in a through the central axis 93 of the first nozzle 38 extending plane is arranged.
  • the second nozzle 46 is aligned centrally with the first nozzle 38, so that the two central axes 93, 94 form a common point of intersection.
  • An outer diameter of the second nozzle 46 may be formed smaller than an outer diameter of the first nozzle 38.
  • the inner diameter of the two nozzles 38, 46 is configured as a function of the viscosity of the fluid to be sprayed or the degree of grinding of the powder.
  • the inner diameter is made larger than that of a fluid having a low viscosity or a powder having a fine freeness.
  • the difference in inner diameter between the first nozzle 38 and the second nozzle 46 may be 0.1 mm to 0.2 mm.
  • the inner diameter of the first nozzle 38 and the inner diameter of the second nozzle 46 may be 0.3 mm to 0.2 mm, 0.4 mm to 0.2 mm, 0.4 mm as the viscosity of the fluid or the increasing degree of grinding of the powder increases, by way of example to 0.3 mm or 0.5 mm to 0.3 mm or 0.5 mm to 0.4 mm or 0.6 mm to 0.4 mm or 0.6 mm to 0.5 mm or 0.7 mm to 0.5 mm or 0.7 mm to 0.6 mm or 0.8 mm to 0.7 mm or 0.8 mm to 0.6 mm, etc. (the first value corresponds to the inner diameter of the first nozzle 38, the second value corresponds to the inner diameter of the second nozzle 46).
  • Figure 17 shows an alternative arrangement of the nozzles 38, 46 to each other, in which the central axis 94 of the second nozzle 46 is arranged laterally offset from a plane passing through the central axis 93 of the first nozzle 38 level.
  • the center axis 94 of the second nozzle 46 is arranged between the plane passing through the center axis 93 of the first nozzle 38 and the plane 98 tangential to the inner wall 97 of the first nozzle 38.
  • the two central axes 93, 94 of the nozzles 38, 46 are skewed aligned with each other. In such a skew alignment of the two center axes 93, 94 to each other, these form neither a common intersection nor the central axes 93, 94 are aligned parallel to each other.
  • the end face 88 of the second nozzle 46 is arranged obliquely so that a side edge 104 of the end face 88 is set back in the fluid discharge direction with respect to the center axis 94 and an opposite side edge 106 of the front side 88 protrudes from the central axis 94.

Landscapes

  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

L'invention concerne un dispositif de distribution (1 1) destiné à pulvériser un milieu pulvérisable, en particulier un fluide ou une poudre, lequel est réalisé sous la forme d'un appareil manuel dans lequel se situe un dispositif à air comprimé (86), d'une tête de pulvérisation (14) reliée au boîtier (12) et destinée à distribuer le milieu, d'une conduite de fluide (44) menant d'un réservoir de stockage (41) à la tête de pulvérisation (14) et d'une conduite d'amenée (36) menant du dispositif à air comprimé (86) à la tête de pulvérisation (14) et d'une première buse (38) reliée à la conduite d'amenée (36) et, séparée de celle-ci, d'une deuxième buse (46) qui est reliée à la conduite de fluide (44) et qui fait saillie à l'intérieur d'un écoulement d'air sortant de la première buse (38), de telle sorte qu'une zone d'atomisation (49) est formée à l'extérieur de la tête de pulvérisation (14), la deuxième buse (46), dans une vue de dessus d'un orifice de sortie (83) de la première buse (38), recouvrant une section transversale intérieure de la première buse (38) d'au moins 1 %.
EP18755169.2A 2017-08-25 2018-08-07 Dispositif de distribution destiné à pulvériser un milieu pulvérisable Active EP3507023B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RS20230813A RS64683B1 (sr) 2017-08-25 2018-08-07 Uređaj za raspodelu za raspršivanje medijuma koji može da se raspršuje

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017119462.2A DE102017119462A1 (de) 2017-08-25 2017-08-25 Ausgabevorrichtung zum Versprühen eines sprühfähigen Fluides oder Pulvers
PCT/EP2018/071436 WO2019038081A1 (fr) 2017-08-25 2018-08-07 Dispositif de distribution destiné à pulvériser un milieu pulvérisable

Publications (2)

Publication Number Publication Date
EP3507023A1 true EP3507023A1 (fr) 2019-07-10
EP3507023B1 EP3507023B1 (fr) 2023-08-02

Family

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EP18755169.2A Active EP3507023B1 (fr) 2017-08-25 2018-08-07 Dispositif de distribution destiné à pulvériser un milieu pulvérisable

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US (1) US11590520B2 (fr)
EP (1) EP3507023B1 (fr)
JP (1) JP6933769B2 (fr)
KR (1) KR102314569B1 (fr)
CN (1) CN111050926B (fr)
AU (1) AU2018320641B2 (fr)
CA (1) CA3073625C (fr)
DE (1) DE102017119462A1 (fr)
ES (1) ES2962983T3 (fr)
NZ (1) NZ761588A (fr)
PL (1) PL3507023T3 (fr)
RS (1) RS64683B1 (fr)
RU (1) RU2743717C1 (fr)
SG (1) SG11202001024SA (fr)
WO (1) WO2019038081A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110081544A (zh) * 2019-05-29 2019-08-02 深圳市景欣泰家居用品有限公司 一种空气加湿器

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Also Published As

Publication number Publication date
NZ761588A (en) 2021-12-24
AU2018320641B2 (en) 2021-05-13
KR102314569B1 (ko) 2021-10-18
ES2962983T3 (es) 2024-03-22
PL3507023T3 (pl) 2024-02-19
DE102017119462A1 (de) 2019-02-28
WO2019038081A1 (fr) 2019-02-28
JP6933769B2 (ja) 2021-09-08
US20210078023A1 (en) 2021-03-18
SG11202001024SA (en) 2020-03-30
RS64683B1 (sr) 2023-11-30
US11590520B2 (en) 2023-02-28
RU2743717C1 (ru) 2021-02-24
JP2020531252A (ja) 2020-11-05
KR20200044891A (ko) 2020-04-29
EP3507023B1 (fr) 2023-08-02
CA3073625C (fr) 2022-12-13
CN111050926A (zh) 2020-04-21
CN111050926B (zh) 2022-02-11
AU2018320641A1 (en) 2020-02-27
CA3073625A1 (fr) 2019-02-28

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