EP4268973A2 - Système de buse de pulvérisation - Google Patents

Système de buse de pulvérisation Download PDF

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Publication number
EP4268973A2
EP4268973A2 EP23196735.7A EP23196735A EP4268973A2 EP 4268973 A2 EP4268973 A2 EP 4268973A2 EP 23196735 A EP23196735 A EP 23196735A EP 4268973 A2 EP4268973 A2 EP 4268973A2
Authority
EP
European Patent Office
Prior art keywords
nozzle
atomizer
cap
carrier
channel
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
EP23196735.7A
Other languages
German (de)
English (en)
Other versions
EP4268973A3 (fr
EP4268973B1 (fr
Inventor
Sebastian Mangold
Manuel FIESEL
Jan Barthelmes
Leon LUCK
Björn FREISINGER
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.)
J Wagner GmbH
Ioniq Skincare GmbH and Co KG
Original Assignee
J Wagner 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 J Wagner GmbH filed Critical J Wagner GmbH
Publication of EP4268973A2 publication Critical patent/EP4268973A2/fr
Publication of EP4268973A3 publication Critical patent/EP4268973A3/fr
Application granted granted Critical
Publication of EP4268973B1 publication Critical patent/EP4268973B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/16—Arrangements for supplying liquids or other fluent material
    • B05B5/1691—Apparatus to be carried on or by a person or with 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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/10—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in the form of a fine jet, e.g. for use in wind-screen washers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • 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
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/035—Discharge apparatus, e.g. electrostatic spray guns characterised by gasless spraying, e.g. electrostatically assisted airless spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/043—Discharge apparatus, e.g. electrostatic spray guns using induction-charging

Definitions

  • a spray mechanism with an adjustable spray angle which includes a water inlet base, a connection plate, a plurality of flexible spray pipes, slide blocks, adjustment assemblies, a cover plate and the like.
  • the adjusting assemblies drive the slide blocks threadedly connected to the adjusting assemblies into axially reciprocating motion through the rotation of a drive spindle rod.
  • the DE 198 30 801 A1 relates to a device for ejecting liquid with a plurality of rotor nozzles, which are combined into a unit, each rotor nozzle having a rotor space formed in a nozzle housing, which has an inlet opening in the region of its axial one end and an outlet opening for the liquid at the other end, as well as a in the rotor space, arranged at an angle relative to its longitudinal axis, rotor driven in rotation and supported on the inner wall of the rotor space, which has a nozzle area supported in a cup bearing at its end facing the outlet opening and an inflow opening at the opposite end.
  • the DE 10 2014 200 741 A1 refers to a shower with a shower jet-forming fluid outlet structure, which has a plurality of jet outlet units, of which at least two are designed as multi-channel jet outlet units, each with at least one first outlet channel and at least one second outlet channel that is fluidly separated from the first. Furthermore, the shower has a fluid guide which is designed to guide a fluid supplied to the shower either to the first outlet channels or to the second outlet channels.
  • a minimum distance between the exit channels of a respective multi-channel jet exit unit is smaller than a minimum distance between the exit channels of each two multi-channel jet exit units and / or in the case of at least one multi-channel jet exit unit, a second exit channel or a group of a plurality of second exit channels is arranged surrounding a first exit channel at least partially around the circumference.
  • an electrostatic spray device configured and arranged to electrostatically charge and dispense a liquid composition from a supply to a dispersion point
  • the device comprising: a storage container configured to contain the supply of liquid composition includes, a nozzle for dispersing the liquid composition, the nozzle being located at the dispersion point, a channel disposed between the reservoir and the nozzle, the channel allowing electrostatic charging of the liquid composition upon movement of the liquid composition within the channel , a power source to supply an electrical charge, a high voltage power supply device, wherein the High-voltage supply device is electrically connected to the power source, a high-voltage electrode, wherein the high-voltage electrode is electrically connected to the high-voltage supply device, a portion of the high-voltage electrode being arranged between the reservoir and the nozzle, the high-voltage electrode the liquid composition within the channel at a charging location electrostatically charges, and a nozzle channel which is arranged between the charging location and the nozzle, the length of
  • the object of the invention is therefore to improve the function of an electrohydrodynamic atomizer and in particular to simplify cleaning.
  • the invention relates to an atomizer nozzle system for an electrohydrodynamic atomizer, wherein a number of nozzles are included in a nozzle cap and at least one nozzle opening (nozzle-opening) to form a nozzle (nozzle), at least one nozzle channel and at least one nozzle socket (nozzle socket) are included, the nozzle cap being arranged on at least one carrier, and the carrier comprising a nozzle connector (nozzleconnector) for each nozzle socket.
  • the invention is characterized in that the nozzle cap is arranged to be detachably attached to the carrier.
  • the nozzle cap By releasably attaching the nozzle cap to the carrier, the nozzle cap can be removed and cleaned away from the device unit of the electrohydrodynamic atomizer, for example with water or other solvents. This also makes it easier for the user to replace it after wear and tear occurs.
  • alternative nozzle caps can also be used whose geometries and other properties are adapted to other fluids to be atomized.
  • the nozzle cap is at least partially made of a flexible material, in particular a flexible electrical insulator, preferably a silicone.
  • a flexible material e.g. a silicone
  • the use of an insulator has also surprisingly proven to be advantageous for electrohydrodynamic atomization.
  • the atomization effect that the high-voltage charged liquid experiences is improved by being guided in an electrically insulating nozzle channel, which leads to greater process reliability in electrohydrodynamic atomizer applications, for example when applying care products such as sunscreen.
  • the carrier is made of a rigid material, preferably plastic, for example PC, ABS, PE, PET or PP or the like.
  • a rigid support allows the flexible nozzle cap to be attached precisely and reliably, for example via rigid elements for alignment and attachment.
  • rigid elements can be formed by projections or structures, for example collars or mushroom heads, but also by tongue or groove elements, into which corresponding counter-structures of the nozzle cap then engage, in particular snap into place elastically.
  • nozzle cap is held on the carrier by elastic tensioning of latching elements or tensioning of a flexible material, preferably held in a form-fitting manner.
  • a flexible, rubber-like nozzle cap preferably made of silicone, allows it to be elastically clamped onto the carrier and thus released without tools. Even in the case of an inflexible or partially flexible nozzle cap, a simple connection that can be detached without tools can be achieved, for example using locking elements.
  • the nozzle cap comprises a base structure, in particular a base plate or a base frame, on which a nozzle structure for forming the atomizer nozzles is arranged, the base structure Compared to the nozzle structure, which is preferably made of silicone, is made of a relatively more rigid material, in particular PC, ABS, PE, PET or PP or the like, and preferably at least one connecting element, in particular a latching element, to form a preferably releasable connection with the Carrier includes.
  • a flexible, flexible layer of a nozzle geometry, formed on a more rigid base structure makes it possible to provide a nozzle geometry made of silicone, for example, without having to forego mechanical locking elements for a detachable connection to a carrier.
  • the feel when dismantling and assembling the nozzle cap is improved in this way, as a certain dimensional stability is achieved.
  • the base structure can be designed as a type of plate that contains openings for the nozzle connections and/or nozzle sockets, or as a frame structure that only supports and stabilizes in the necessary places.
  • the nozzle cap comprises at least three nozzle openings, each with an assigned nozzle channel and each with an assigned nozzle bushing, the nozzle openings being maximally spaced apart from one another in a nozzle area, in particular being arranged following one another along a zigzag line.
  • the nozzle openings are maximally spaced in the area of the nozzle cap available for arrangement, i.e. they maintain the greatest possible distance.
  • a zigzag arrangement on a surface should be aimed for, as this maximizes the distance between the nozzle openings.
  • nozzle opening of the nozzle protrudes from the plane of the nozzle cap, with one flank of the protruding nozzle preferably being designed as a continuously curved curve and in particular the flank of the nozzle on one flank side being asymmetrically relative to an opposite flank side of the nozzle is, in particular has a greater curvature by at least a factor of 1.5.
  • the nozzle opening which is carried by a nozzle body, protrudes from the plane of the nozzle cap to define a nozzle geometry, in particular to accommodate a nozzle channel inside the nozzle body.
  • the plane of the nozzle cap is to be understood as the essentially flat surface on which the nozzle geometry is arranged. Those in later The raised edge areas shown in the exemplary embodiment are left out.
  • flanks or side walls of the nozzle body run as a continuously curved curve. Due to the arrangement at the greatest possible distance, there is less installation space available on the flank side of the nozzle body, which is close to the edge of the nozzle cap, than on the opposite side. In this respect, the curvature can be flatter on the side far from the edge, which will be clarified in the later exemplary embodiment. This results in softer transitions, which are advantageous when cleaning.
  • a further expedient embodiment provides that the nozzle cap and/or a base plate and/or the carrier plate are formed in one piece, preferably manufactured using an injection molding process.
  • a further expedient embodiment also provides that the nozzle cap and a base plate and/or the carrier plate are formed in one piece, preferably manufactured using a multi-component injection molding process or otherwise connected to one another, for example by adhesive or vulcanization processes.
  • the nozzle cap with an elastic section on the nozzle connection surrounds a connecting flange and forms a seal on this via elastic deformation.
  • the nozzle cap Due to its detachability, the nozzle cap must form a sealing connection to the nozzle connection of the carrier.
  • an elastic section for example made of silicone, sealingly surrounds the connecting flange of the nozzle connection, whereby the clamping force of the elastic section must withstand the delivery pressure of the fluid to be atomized during operation of the electrohydrodynamic atomizer.
  • nozzle connection has a cylindrical connection flange, in particular with a circumferential sealing ring, and the nozzle bushing forms a corresponding cylindrical receptacle in order to provide an interlocking, sealing positive fit.
  • the sealing ring can also be designed as a bead formed directly on the connecting flange, in particular a bead structure produced directly by injection molding, in order to avoid additional components or work steps.
  • a corresponding cylindrical connection flange can be produced easily and reliably in the manufacturing process and offers the user the releasable during assembly and disassembly Connected nozzle cap ensures a simple connection of the fluid system with a reliable sealing effect.
  • nozzle connection has a conical connection flange, and the nozzle bushing forms a corresponding conical receptacle in order to provide an interlocking, sealing positive connection.
  • the conical connecting flange also allows a preferred centering effect during assembly, with the conical flanks of the connecting flange and nozzle bushing that lie against one another forming a sealing contact.
  • a further preferred embodiment provides that the nozzle channel is designed as a conical section or as a spherical cap and in particular forms an end channel towards the nozzle opening, the end channel preferably being designed as a cylindrical or conical pipe section.
  • nozzle channel Such a design of the nozzle channel is the subject of the application DE 10 2018 133 406.0 , the disclosure of which is hereby incorporated by reference.
  • a corresponding design of the nozzle channel offers an advantageous formation of a free jet of the fluid to be atomized before the effect of the electrohydrodynamic atomization occurs due to the applied high voltage.
  • the nozzle opening of an atomizer nozzle is between 0.1 mm to 0.3 mm, preferably 0.2 mm, and the length of the nozzle channel is between 4 mm to 6 mm, preferably 5.5 mm.
  • An expedient embodiment of the atomizer nozzle system provides that an electrical contact element, in particular a high-voltage contact, is formed in the nozzle connection, the contact protruding into a fluid channel, preferably the fluid channel is guided through the contact, and in particular the distance between the electrical contact element and the nozzle opening between 5 mm and 20 mm, preferably between 11 mm and 15 mm, in particular 14 mm.
  • an electrical contact element in particular a high-voltage contact
  • a contact for the high voltage is an electrical contact element which projects into the fluid channel.
  • the fluid channel includes a channel through the nozzle bushing.
  • the electrical contact element is designed in such a way that it is arranged in the flow path of the fluid, in particular the fluid flows through an opening in the electrical contact element. This way there is optimal exposure the high voltage and the associated charging of the fluid is guaranteed, which leads to a reliable spraying process.
  • Electrohydrodynamic atomization is based on the instability of electrically chargeable fluids, especially fluids that are sufficiently electrically conductive under high voltage, in a strong, inhomogeneous electric field.
  • the fluid is subjected to high voltage.
  • the fluid deforms into a cone, from the tip of which a thin beam, a so-called jet, is emitted, which immediately breaks up into a spray of finely dispersed drops.
  • the drops Under certain conditions, in Taylor cone mode, the drops have a narrow size distribution.
  • FIG. 1 Shows in detail Figure 1 an electrohydrodynamic atomizer 1 which includes an atomizer part 2 and a fluid tank 3.
  • a nozzle system 4 is arranged on the atomizer part 2 in the upper front area.
  • the nozzle system includes a first nozzle 10, a second nozzle 11 and a third nozzle 12.
  • the nozzles 10, 11, 12 are designed as nozzle bodies 14, 15, 16 protruding from a plane 13 of the nozzle system 4, the nozzle bodies having curved lateral flanks being shaped asymmetrically in their transverse direction 17 for the expansion of the nozzle system 4.
  • Each of the nozzles 10, 11, 12 has a nozzle opening 21, 22, 23 at its tip.
  • the nozzle openings 21 and 22 are separated from each other by the largest possible distance 24.
  • the nozzles 22 and 23 are separated from each other by the largest possible distance 25.
  • the arrangement of the nozzles 21, 22, 23 follows a zigzag pattern in terms of their spacing, so that the best possible spacing takes place on the level 13 of the nozzle system 4.
  • the atomizer part 2 has a receptacle 30 in the vicinity of the nozzle system 4 for a lid (not shown), which covers and protects the nozzle system 4 in the transport state.
  • the atomizer part 2 includes at least one control button 31, which is used to activate the electrohydrodynamic atomizer 1 and for contacting the user to provide the necessary current flow during atomization.
  • control button 31 is used to activate the electrohydrodynamic atomizer 1 and for contacting the user to provide the necessary current flow during atomization.
  • two additional contacts, in particular control buttons, are preferably provided, so that the electrohydrodynamic atomizer 1 can be easily operated with the left as well as with the right hand.
  • an electrically conductive, preferably metallic or metallized, circumferential contact area is provided on the atomizer part 2 in the area between the atomizer part 2 and fluid tank 3 in order to serve the user as a contact to provide the necessary current flow during atomization.
  • a contact ring 32 is provided on the atomizer part 2 in the area between the atomizer part 2 and fluid tank 3 in order to serve the user as a contact to provide the necessary current flow during atomization.
  • Other arrangements on the device are also conceivable, as long as they result in good and reliable contacting.
  • Figure 2 shows a schematic cross section through a first embodiment of an atomizer nozzle system with nozzle cap and carrier as well as a variant of the nozzle connection in a detail view.
  • a nozzle cap 40 is shown detached from a carrier 41 here.
  • the nozzle cap 40 includes a nozzle structure 42, which in the present case is made of silicone.
  • the nozzle structure 42 forms the nozzle bodies 43, which protrude from the plane 44 of the nozzle cap.
  • the nozzle cap 40 in the present case comprises a base plate 45, which is made of a material that is more rigid than the silicone of the nozzle structure 42, in particular a more rigid plastic. In this way it will the nozzle cap 40 is provided as a rigid assembly, which can be easily attached to the carrier 41 and detached again.
  • latching elements 50 are designed, which clamp a nozzle cap 40 placed on the carrier 41.
  • the atomizer nozzle 60 of the nozzle cap 40 includes a nozzle opening 61 and a nozzle channel 62 which opens into a nozzle bushing 63.
  • the counterpart to the nozzle bushing 63 is formed by the nozzle connection 64 on the carrier 41.
  • the nozzle connection 64 and the nozzle bushing 63 are conically shaped, so that when the nozzle cap 40 is placed on the carrier 41, the two conical flanks rest against one another and thus form a seal.
  • a fluid channel 65 is provided in the nozzle connection 64, at the lower end of which an electrical contact 66 for introducing the high voltage into a fluid is arranged.
  • the electrical contact is provided with a bore in the area of the fluid channel 65, so that the fluid flows through the electrical contact 66 while it is transported to the nozzle opening 61.
  • Fig. 3a shows a perspective schematic representation of a second embodiment of an atomizer nozzle system with nozzle cap 100 and carrier 101.
  • Three atomizer nozzles 102, 103, 104 are arranged on the nozzle chapel 100.
  • the atomizer nozzles have curved flanks on their nozzle body. Reference is made to nozzle 103 as an example.
  • the flank 105 shown here on the front has a continuously curved course, with a significantly greater curvature compared to the flank 106 shown on the back.
  • the ramp-like structure of the flanks of the nozzle bodies 110, 111, 112a makes it possible to provide an easy-to-clean surface with raised nozzle bodies, in which the spaced nozzles 102, 103, 104 have the greatest possible distance.
  • the carrier 101 arranged below the nozzle cap 100 comprises a connecting flange 112b, 113, 114 for each atomizer nozzle 102, 103, 104.
  • the connecting flange is cylindrical and includes on its upper edge a sealing ring, which in the present case is designed as a directly molded sealing bead.
  • Figure 3b shows a correspondingly enlarged view of a nozzle cap 200 placed on a carrier 201.
  • the nozzle cap 200 again comprises a nozzle structure 202 made of silicone, which is arranged on a base structure 203 made of more rigid plastic.
  • the connecting flange 204 of the carrier 201 is cylindrical in this case.
  • a fluid channel 205 runs.
  • an electrical contact element 206 is arranged, which has a central bore 207 through which the fluid to be charged for electrohydrodynamic atomization flows and is thereby charged with an applied high voltage.
  • a sealing ring 210 is provided at the upper end of the connecting flange 204.
  • the nozzle body 211 is equipped with a cylindrical nozzle bushing 212, into which the connecting flange 204 is immersed, and with its sealing ring 210 forms a seal with respect to the flexible material of the silicone of the nozzle body 211.
  • the nozzle opening 215 is in turn formed by the upper end of the end channel 214.
  • the nozzle channel 213 is conical, in particular in the form of a cone cap section.
  • a preferred dimension of an embodiment is given with a diameter 220 of the nozzle opening 215 of 0.2 mm.
  • the nozzle channel 213 is preferably designed with a length 221 of approximately 5.5 mm.
  • the entire length 222 of the fluid channel 205 together with the nozzle channel 213 inside the nozzle is preferably up to approx. 14 mm, thereby producing a free jet of atomized fluid (not shown) in front of the nozzle opening with a free jet length of 10 mm to 15 mm, before the atomization effect begins.

Landscapes

  • Electrostatic Spraying Apparatus (AREA)
  • Nozzles (AREA)
EP23196735.7A 2018-12-21 2019-12-19 Système de buse de pulvérisation Active EP4268973B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102018133440 2018-12-21
PCT/EP2019/086282 WO2020127713A1 (fr) 2018-12-21 2019-12-19 Système de pulvérisateur pourvu d'un champ de buses en silicone
EP19831700.0A EP3897999B1 (fr) 2018-12-21 2019-12-19 Système de pulvérisateur pourvu d'un champ de buses en silicone

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP19831700.0A Division EP3897999B1 (fr) 2018-12-21 2019-12-19 Système de pulvérisateur pourvu d'un champ de buses en silicone

Publications (3)

Publication Number Publication Date
EP4268973A2 true EP4268973A2 (fr) 2023-11-01
EP4268973A3 EP4268973A3 (fr) 2024-01-24
EP4268973B1 EP4268973B1 (fr) 2025-12-17

Family

ID=69104418

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19831700.0A Active EP3897999B1 (fr) 2018-12-21 2019-12-19 Système de pulvérisateur pourvu d'un champ de buses en silicone
EP23196735.7A Active EP4268973B1 (fr) 2018-12-21 2019-12-19 Système de buse de pulvérisation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19831700.0A Active EP3897999B1 (fr) 2018-12-21 2019-12-19 Système de pulvérisateur pourvu d'un champ de buses en silicone

Country Status (7)

Country Link
US (1) US12017235B2 (fr)
EP (2) EP3897999B1 (fr)
JP (1) JP7457024B2 (fr)
KR (1) KR102595109B1 (fr)
CN (1) CN113453804B (fr)
DE (1) DE102019135150A1 (fr)
WO (1) WO2020127713A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3898001A1 (fr) * 2018-12-21 2021-10-27 J. Wagner GmbH Contrôle de fonctionnement pour un pulvérisateur électrohydrodynamique
DE102021109651A1 (de) 2021-04-16 2022-10-20 J. Wagner Gmbh Sprühvorrichtung zum Versprühen einer kosmetischen Flüssigkeit, Verfahren zum Betrieb einer Sprühvorrichtung, Düse für eine Sprühvorrichtung und Düsenfeld für eine Sprühvorrichtung
GB202106111D0 (en) * 2021-04-29 2021-06-16 7Rdd Ltd Improvements to spray apparatus

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US20040021017A1 (en) 2002-02-25 2004-02-05 The Procter & Gamble Company Electrostatic spray device
DE102014200741A1 (de) 2014-01-16 2015-07-16 Hansgrohe Se Brause mit mehrkanaligen Strahlaustrittseinheiten
WO2018032560A1 (fr) 2016-08-16 2018-02-22 宁波大叶园林工业有限公司 Mécanisme de pulvérisation à angle de pulvérisation réglable
DE102018109452A1 (de) 2017-04-21 2018-10-25 J. Wagner Gmbh Elektrostatischer Zerstäuber für Flüssigkeiten und Verfahren zum Betrieb eines elektrostatischen Zerstäubers

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19830801A1 (de) 1998-07-09 2000-01-13 Anton Jaeger Vorrichtung zum Ausstoßen von Flüssigkeit
US20040021017A1 (en) 2002-02-25 2004-02-05 The Procter & Gamble Company Electrostatic spray device
DE102014200741A1 (de) 2014-01-16 2015-07-16 Hansgrohe Se Brause mit mehrkanaligen Strahlaustrittseinheiten
WO2018032560A1 (fr) 2016-08-16 2018-02-22 宁波大叶园林工业有限公司 Mécanisme de pulvérisation à angle de pulvérisation réglable
DE102018109452A1 (de) 2017-04-21 2018-10-25 J. Wagner Gmbh Elektrostatischer Zerstäuber für Flüssigkeiten und Verfahren zum Betrieb eines elektrostatischen Zerstäubers

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Publication number Publication date
KR20210107777A (ko) 2021-09-01
KR102595109B1 (ko) 2023-10-30
WO2020127713A1 (fr) 2020-06-25
JP2022514927A (ja) 2022-02-16
US20210379608A1 (en) 2021-12-09
US12017235B2 (en) 2024-06-25
EP4268973A3 (fr) 2024-01-24
JP7457024B2 (ja) 2024-03-27
DE102019135150A1 (de) 2020-06-25
EP3897999A1 (fr) 2021-10-27
CN113453804A (zh) 2021-09-28
EP3897999B1 (fr) 2023-09-13
CN113453804B (zh) 2023-10-24
EP4268973B1 (fr) 2025-12-17

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