EP3325169B1 - Système de buse et tête de distribution - Google Patents

Système de buse et tête de distribution Download PDF

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Publication number
EP3325169B1
EP3325169B1 EP16774625.4A EP16774625A EP3325169B1 EP 3325169 B1 EP3325169 B1 EP 3325169B1 EP 16774625 A EP16774625 A EP 16774625A EP 3325169 B1 EP3325169 B1 EP 3325169B1
Authority
EP
European Patent Office
Prior art keywords
nozzle arrangement
fluid
channel portion
channel
section
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
EP16774625.4A
Other languages
German (de)
English (en)
Other versions
EP3325169A1 (fr
Inventor
Swen Barenhoff
Detlef Schmitz
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.)
Aptar Dortmund GmbH
Original Assignee
Aptar Dortmund GmbH
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Filing date
Publication date
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Publication of EP3325169A1 publication Critical patent/EP3325169A1/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
    • 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
    • B05B1/04—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 flat form, e.g. fan-like, sheet-like
    • B05B1/048—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 flat form, e.g. fan-like, sheet-like having a flow conduit with, immediately behind the outlet orifice, an elongated cross section, e.g. of oval or elliptic form, of which the major axis is perpendicular to the plane of the jet
    • 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
    • B05B1/3405—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 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
    • 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
    • B05B1/3405—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 to produce swirl
    • B05B1/341—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 to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—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 to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—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 to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3436—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 to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
    • 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
    • B05B15/30—Dip tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • B65D83/48—Lift valves, e.g. operated by push action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/753—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by details or accessories associated with outlets

Definitions

  • the present invention relates to a nozzle arrangement for preferably fan-like atomization of a fluid, in particular oil, according to the preamble of claim 1, a dispensing head for dispensing a fluid, in particular oil, according to the preamble of claim 10 and the use of a nozzle arrangement for preferably fan-like atomization of a fluid , in particular oil, according to claim 11.
  • the term "dispensing head” is preferably to be understood as a constructive device which is designed in particular to dispense, in particular to atomize or to transfer an fluid, in particular an oil, such as olive oil, into an aerosol Attached or attachable as a reservoir for a fluid to be atomized.
  • the dispensing head is particularly preferably designed for the spraying dispensing or dispensing of a fluid, in particular oil.
  • the dispensing head can also be designed as a metering pump or manually operated pump or any other dispensing device.
  • fluid is preferably to be understood as meaning liquids, suspensions and / or emulsions, possibly with gas phases.
  • fluids in the sense of the present invention are vinegars and / or oils which are preferably suitable for consumption - for example as a dressing.
  • the term “fluid” is preferably to be understood and interpreted broadly.
  • nozzle arrangement is preferably to be understood as a constructive device, in particular of a dispensing head, in particular wherein the nozzle arrangement is designed to atomize a fluid preferably in a fan-like manner.
  • a nozzle arrangement in the sense of the present invention preferably has at least one channel or flow channel for the fluid, preferably wherein the nozzle arrangement or channel is designed in such a way that the fluid can be atomized or converted into an aerosol.
  • the term “aerosol” is preferably to be understood as a cloud-like or mist-like accumulation of a large number of drops of a fluid which is preferably atomized by means of a dispensing head or a nozzle arrangement, preferably the drops having a low speed and / or an at least substantially undirected Have directions of movement.
  • An “aerosol” can, for example, have or form a flat, conical and / or fan-like drop cloud, in particular where the main direction of propagation or flow direction of the drop cloud corresponds at least essentially to the main exit direction or exit pulse direction from the dispensing head or nozzle arrangement.
  • the WO 00/55543 discloses an apparatus with a nozzle, the nozzle having a manifold to create a flat and fan-shaped jet of atomized fluid.
  • the nozzle has a nozzle channel with a first tapering channel section and a second enlarging channel section.
  • the EP 1 886 731 B1 discloses a spray nozzle arrangement for spraying a medium with a nozzle channel, the nozzle channel having a first tapering channel section and a second channel section, the first channel section being fluidly connected to the second channel section via a passage opening.
  • the second channel section has two opposite side surfaces, which move away from one another with increasing distance from the passage opening, the side surfaces being delimited by two boundary surfaces arranged perpendicular to the plane of the passage opening and having a lateral distance from the passage opening.
  • the object of the present invention is to provide an improved nozzle arrangement and a dispensing head with an improved nozzle arrangement, preferably allowing or supporting a particularly efficient dispensing and / or atomizing of a fluid, in particular an oil, and / or simple assembly of the nozzle arrangement / and / or a uniform, preferably fan-like spray pattern is generated.
  • the nozzle arrangement according to the invention has a channel for a fluid, the channel having a first channel section and a second channel section adjoining the first channel section in the flow direction of the fluid.
  • the first and second channel sections are fluidly connected to one another by means of a passage opening.
  • the first channel section converges in the flow direction of the fluid or the flow cross section of the first channel section decreases in the flow direction of the fluid.
  • the first channel section tapers in the direction of flow of the fluid to form a gap or slot.
  • the second channel section is elongated or slit-like in cross-section or transverse to the direction of flow of the fluid and delimited by two elongated side surfaces and two short leg surfaces, in particular the second channel section diverging in the direction of flow.
  • leg surfaces of the second channel section are inclined or inclined relative to the flow direction or a longitudinal axis of the channel. In this way, a very uniform spray pattern is generated which is at least essentially independent of the pressure or the speed of the fluid and / or is fan-shaped when the pressure or the speed of the fluid decreases.
  • the direction of flow of the fluid is that direction which corresponds to the main direction of propagation of the fluid in the channel of the nozzle arrangement. Any turbulence and / or swirling of the fluid can deviate from the direction of flow or main direction of propagation, in particular the direction of flow or main direction of propagation of the fluid.
  • the second channel section is designed as a trapezoidal prism, preferably with the side surfaces arranged at least substantially parallel to one another and / or as the base surface of the trapezoidal prism.
  • the dispensing head or the nozzle arrangement is preferably designed to generate a fan-like or elongated spray pattern and / or a fan-like or flat spray cloud, preferably with the drop concentration - starting from the center of the spray pattern - decreasing towards the sides.
  • the dispensing head according to the invention for dispensing a fluid, in particular oil has a housing part, an actuating part for actuating the dispensing head and a nozzle arrangement according to the invention for preferably fan-like atomization of the fluid, preferably wherein the dispensing head can be connected to an assigned container, in particular a pressure container, with the fluid is.
  • the in particular cylindrical nozzle arrangement - preferably on the end face - has a mounting profile or a mounting element, such as a projection and / or a depression, preferably wherein the nozzle arrangement during or for mounting via the mounting profile or element with an associated one Mounting device is positively connected and / or in its rotational position relative to the housing part and / or actuating part can be aligned by means of the mounting profile or element.
  • a mounting profile or a mounting element such as a projection and / or a depression
  • the nozzle arrangement - preferably at the end or axially - can be positively coupled to a mounting device in order to set a desired rotational position of the nozzle arrangement. In this way, simple assembly and / or precise alignment of the nozzle arrangement are made possible or supported.
  • the use according to the invention provides for a nozzle arrangement according to the invention to be used, in particular for the fan-like atomization of a fluid, in particular an oil. Corresponding advantages can be realized in this way.
  • Fig. 1 shows a schematic longitudinal section of a proposed delivery device 1 according to a first embodiment.
  • the dispensing device 1 preferably has a dispensing head 2 for dispensing a fluid 3.
  • the dispensing device 1 or the dispensing head 2 is preferably designed for the spray dispensing of the fluid 3.
  • the dispensing device 1 or the dispensing head 2 is particularly preferably designed to atomize the fluid 3 and / or to form an aerosol.
  • the dispensing device 1 or the dispensing head 2 is preferably provided or connected or connectable with a reservoir, in particular a container 4, for the fluid 3.
  • the reservoir or the container 4 is, in particular, part of the dispensing device 1 and / or connected or connectable to the dispensing head 2.
  • the reservoir is preferably designed as a rigid container 4, in particular as a pressure container.
  • the container 4 is preferably elongated, cylindrical and / or rigid - particularly preferably as a metallic can or glass container.
  • the fluid 3 in the reservoir can preferably be pressurized or pressurized.
  • the container 4 or the fluid 3 preferably contains a suitable propellant, preferably a volatile and / or combustible propellant, compressed gas and / or carbon dioxide.
  • a suitable propellant preferably a volatile and / or combustible propellant, compressed gas and / or carbon dioxide.
  • the dispensing device 1 or the dispensing head 2 can also have or form a pump (not shown) or the like, which sucks or pumps the fluid 3 out of the container 4.
  • the container 4 preferably has a dispensing valve 5, particularly preferably at the end.
  • the dispensing head 2 is preferably connected (or fluidly) to the dispensing valve 5 or can be connected.
  • the dispensing head 2 preferably has a housing part 6, preferably wherein the housing part 6 is connected or connectable to the reservoir or container 4 in a form-fitting, force-fitting and / or material-locking manner.
  • the dispensing head 2 is preferably fastened to the container 4 by clamping and / or latching.
  • the dispensing head 2 preferably has an actuating part 7, preferably wherein the actuating part 7 relative to the housing part 6 - in the illustration according to Fig. 1 down - can be pushed down or tilted or swiveled.
  • the actuating part 7 is preferably connected to the housing part 6 by means of a connection which is in particular elastically deformable.
  • the housing part 6 and the actuating part 7 are particularly preferably formed in one piece or as one structural unit. However, other constructive solutions are also possible here.
  • the actuating part 7 preferably extends at least substantially — at least in the usual position of use — horizontally and / or starting from an edge of the housing part 6 towards the center and / or over the dispensing valve 5.
  • the actuating part 7 particularly preferably forms an (axial) end of the dispensing device 1 or of the dispensing head 2.
  • the dispensing head 2 or the actuating part 7 preferably has a connecting section 8, preferably with the connecting section 8 extending towards the dispensing valve 5 and / or being fluidly connected or connectable to the dispensing valve 5.
  • connection section 8 can be moved or depressed accordingly, in particular in the direction of the dispensing valve 5, preferably in order to actuate or open the associated or fluidically connected dispensing valve 5.
  • Fig. 1 shows the unconfirmed state of the dispensing device 1.
  • the dispensing device 1 or the dispensing head 2 preferably has an outlet space 9, preferably wherein the outlet space 9 serves to receive the fluid 3 which is dispensed by the dispensing valve 5 or from the container 4 when the dispensing device 1 or the dispensing head 2 is actuated flows.
  • the outlet space 9 is preferably formed and / or laterally delimited by the actuating part 7, in particular the connection section 8.
  • the outlet space 9 preferably has a delivery channel 9A and / or a connecting channel 9B.
  • the conveying channel 9A is preferably formed in and / or by the connection section 8 and / or extends at least substantially vertically in the normal position of use.
  • the connecting channel 9B preferably extends at least substantially transversely to the conveying channel 9A and / or at least substantially horizontally in the usual position of use.
  • the dispensing device 1 or the dispensing head 2 preferably has a nozzle arrangement 10.
  • the nozzle arrangement 10 is preferably designed as a replaceable nozzle insert for the dispensing device 1 or the dispensing head 2.
  • the nozzle arrangement 10 is preferably positively, non-positively and / or cohesively connected or connectable to the housing part 6 and / or actuating part 7.
  • the dispensing device 1 or the dispensing head 2 has a receptacle 11 for the nozzle arrangement 10, preferably wherein the nozzle arrangement 10 can be inserted or inserted into the receptacle 11 at least partially, preferably completely, and / or can be clamped or clamped and / or inserted or inserted is.
  • the receptacle 11 is preferably formed by the housing part 6 and / or actuating part 7 or integrated into this or these.
  • the outlet space 9 is preferably fluidly connected or connectable to the receptacle 11 and / or the nozzle arrangement 10.
  • the connecting channel 9B connects the delivery channel 9A to the receptacle 11 and / or the nozzle arrangement 10.
  • the conveying channel 9A is preferably wider and / or longer than the connecting channel 9B.
  • the width or the diameter of the receptacle 11 is preferably greater than the conveying channel 9A and / or the connecting channel 9B.
  • the dispensing head 2 in particular the housing part 6 and / or actuating part 7 and / or the nozzle arrangement 10, is or are preferably injection molded or made of plastic.
  • the nozzle arrangement 10 preferably forms a subassembly or a component which, in particular, is prefabricated or can be used, preferably in the receptacle 11. Particularly preferably, the nozzle arrangement 10 can be received or held or held or held by the receptacle 11 in a latching or clamping manner .
  • the nozzle arrangement 10 preferably opens directly or directly “outside”. In particular, no further component adjoins the nozzle arrangement 10 in the flow direction S of the fluid 3.
  • Fig. 2 shows an enlarged representation of a detail of the dispensing head 2 with the proposed nozzle arrangement 10.
  • the nozzle arrangement 10 is preferably completely receivable or received or durable or held by the dispensing head 2, in particular the receptacle 11.
  • the receptacle 11 is particularly preferably deep or long such that the nozzle arrangement 10 can be inserted or inserted or sunk or sunk completely in the receptacle 11.
  • the nozzle arrangement 10 opens into a common plane with the housing part 6 and / or actuating part 7.
  • the nozzle arrangement 10 protrudes outwards or beyond the edge of the housing part 6 and / or actuating part 7 .
  • 3 to 9 show the proposed nozzle arrangement 10 according to the first embodiment in different views.
  • the nozzle arrangement 10 is preferably at least substantially cylindrical or as a cylindrical body or cylinder.
  • the outer surface 12 of the nozzle arrangement 10 is particularly preferably designed as a lateral surface (of a cylinder).
  • the nozzle arrangement 10 can also be designed as a prism or the like.
  • the nozzle arrangement 10 preferably has a width or a diameter of more than 2 mm, particularly preferably more than 3 mm, in particular more than 4 mm, and / or less than 10 mm, particularly preferably less than 8 mm or 6 mm, in particular less than 5 mm.
  • the nozzle arrangement 10 preferably has a height or length of more than 2 mm, particularly preferably more than 3 mm, and / or less than 10 mm or 8 mm, particularly preferably less than 7 mm or 6 mm, in particular less than 5 mm, on.
  • the nozzle arrangement 10, in particular the outer surface 12, preferably has a preferably circumferential projection 13.
  • the nozzle arrangement 10, in particular the outer surface 12, preferably has an in particular circumferential recess (not shown).
  • the dispensing head 2 in particular the receptacle 11, preferably has a recess 14 or elevation (not shown) which is preferably complementary to the projection 13 or the recess.
  • the nozzle arrangement 10 is connected or connectable to the housing part 6 and / or actuating part 7, in particular the receptacle 11, in particular by latching the projection 13 into the recess 14 in a positive and / or non-positive manner.
  • the housing part 6 and / or actuating part 7 in particular the receptacle 11, in particular by latching the projection 13 into the recess 14 in a positive and / or non-positive manner.
  • other solutions are also possible here.
  • the nozzle arrangement 10 is preferably - or in particular by means of the projection 13 - connected or connectable to the housing part 6 and / or actuating part 7 in such a way that its rotational position, preferably in the receptacle 11, can be fixed or fixed, in particular in a form-fitting and / or non-positive manner.
  • the nozzle arrangement 10 is preferably designed in stages or preferably has at least one stage 15. In the embodiment shown, two opposite steps 15 are preferably formed by two lateral cutouts.
  • the nozzle arrangement 10 preferably has a base part 16 and a head part 17.
  • the base part 16 and / or the head part 17 are / are preferably at least substantially cylindrical and / or in the form of a cylinder.
  • the head part 17 is preferably flatter and / or narrower than the base part 16.
  • the width or the diameter of the head part 17 is at least partially smaller than the width or the diameter of the base part 16. In this way, simple handling or assembly becomes easy the nozzle arrangement 10 enables or supports.
  • the head part 17 is very particularly preferably at least substantially in the form of a cuboid or cuboid, preferably with two sides of the head part 17 being curved and / or lying on the outer surface 12 of the base part 16.
  • the nozzle arrangement 10 has a channel or flow channel 18, in particular with the channel or flow channel 18 running centrally, inside and / or along a spray or longitudinal axis L of the nozzle arrangement 10.
  • the channel 18 preferably extends both through the base part 16 and through the head part 17.
  • the nozzle arrangement 10 or the channel 18 preferably has an inlet opening 19 and an outlet opening 20.
  • the channel 18 forms an inlet opening 19 and / or outlet opening 20, preferably with the inlet opening 19 being arranged on the bottom side or in the base part 16 and the outlet opening 20 on the top side or in the head part 17.
  • the inlet opening 19 is preferably at least essentially circular and / or the outlet opening 20 is at least substantially elongated or slot-like, as will be explained in more detail below.
  • the fluid 3 preferably first flows through the inlet opening 19 or the base part 16 and then through the outlet opening 20 or the head part 17.
  • the channel 18 is divided into at least two sections.
  • the channel 18 has a first channel section 21 and a second channel section 22.
  • the first channel section 21 is fluidly connected to the second channel section 22, specifically via a passage opening 23.
  • the second channel section 22 adjoins the first channel section 21 in the flow direction S of the fluid 3 and / or, when the dispensing device 1 or the dispensing head 2 are actuated, the fluid 3 first flows through the first channel section 21 and then through the second channel section 22.
  • the first channel section 21 is preferably longer than the second channel section 22.
  • other solutions are also possible here.
  • the first channel section 22 preferably has a length of more than 1 mm, particularly preferably more than 2 mm, in particular more than 3 mm, and / or less than 10 mm or 8 mm, particularly preferably less than 7 mm or 6 mm, in particular less than 5 mm or 4 mm.
  • the second channel section 22 preferably has a length of more than 0.1 mm, particularly preferably more than 0.2 mm or 0.3 mm, in particular more than 0.4 mm or 0.5 mm, and / or less than 2 mm or 1.5 mm, particularly preferably less than 1.2 mm or 1 mm, in particular less than 0.9 mm or 0.8 mm.
  • the first channel section 21 is preferably arranged - at least essentially completely - in the base part 16 of the nozzle arrangement 10.
  • the second channel section 22 is preferably arranged - at least essentially completely - in the head part 17 of the nozzle arrangement 10.
  • the first channel section 21 preferably has and / or forms the inlet opening 19.
  • the first channel section 21 tapers in the flow direction S of the fluid 3 or converges in the flow direction S of the fluid 3.
  • the channel section 21 has an internal or flow cross section Q that decreases in the flow direction S, preferably wherein the flow cross section Q is initially constant in the flow direction S and then decreases.
  • the inner or flow cross-section Q is preferably an inner or flow cross-sectional area perpendicular to the longitudinal axis L or flow direction S of the channel 18 or a hydraulic cross-section or a hydraulic cross-sectional area.
  • the inner or flow cross section Q is the area delimited or enclosed by a side wall of the channel 18, in particular the first channel section 21 and / or the second channel section 22.
  • the first channel section 21 tapers in the flow direction S of the fluid 3 in a slot-like manner and / or in an elongated or slot-like flow cross section Q.
  • the smallest flow cross section Q of the first channel section 21 is at least essentially slot-like or rectangular.
  • the first channel section 21 preferably has two side surfaces or side slopes 24 that are inclined to one another or relative to the flow direction S or longitudinal axis L, preferably wherein the side slopes 24 are inclined such that the first channel section 21 is slit-like or an elongate or slit-like Flow cross section Q tapers.
  • the side slopes 24 are preferably each flat or flat. However, other solutions are also possible here, in particular in which the side slopes 24 are curved.
  • the first channel section 21 is preferably conical and / or the first channel section 21 tapers.
  • the first channel section 21 is designed, in particular tapered, such that a fluid 3 flowing into the nozzle arrangement 10 is compressed and / or accelerated in the first channel section 21.
  • the (maximum) width or (maximum) diameter of the inlet opening 19 or the largest flow cross section Q of the first channel section 21 is preferably more than 1 mm, particularly preferably more than 1.2 mm, in particular more than 1.4 mm, and / or less than 3 mm, particularly preferably less than 2.5 mm, in particular less than 2 mm.
  • the side slopes 24 of the first channel section 21 are preferably relative by more than 5 °, particularly preferably more than 10 °, in particular more than 15 °, and / or less than 45 °, particularly preferably less than 30 °, in particular less than 20 ° inclined to the flow direction S or longitudinal axis L of the nozzle arrangement 10.
  • first channel section 21 and the second channel section 22 are fluidly connected to one another via a passage opening 23.
  • the passage opening 23 is preferably rectangular, in particular square, and / or has the smallest flow cross section S in the channel 18.
  • the passage opening 23 is at least essentially circular or oval. In this way, any flow losses can be reduced.
  • the passage opening 23 is preferably smaller than the preferably slit-like flow cross section Q of the first channel section 21 adjoining the passage opening 23.
  • the flow cross section Q suddenly decreases in the flow direction S at the end of the first channel section 21.
  • the second channel section 22 is elongated or slit-like in cross section.
  • the second channel section 22 preferably opens directly into the open and / or into an end face 25 of the nozzle arrangement 10 or of the head part 17.
  • the second channel section 22 is very particularly preferably in the form of an elongated depression or groove and / or embedded in the nozzle arrangement 10, in particular the head part 17. This enables a particularly simple and / or inexpensive manufacture of the nozzle arrangement 10.
  • the (maximum) longitudinal extent of the second channel section 22 is preferably transverse to the longitudinal axis L or flow direction S or the (maximum) length of the largest flow cross section Q of the second channel section 22 or the (maximum) width or the (maximum) diameter of the outlet opening 20 greater than the length or depth of the second channel section 22 along the flow direction S or longitudinal axis L.
  • the second channel section 22 is elongated or the (maximum) longitudinal extent of the second channel section 22 transverse to the longitudinal axis L or flow direction S is smaller than its length or depth along the flow direction S.
  • the second channel section 22 preferably has a length or depth along the flow direction S or longitudinal axis L of more than 0.1 mm or 0.2 mm, particularly preferably more than 0.3 mm or 0.4 mm, in particular more than 0 , 5 mm or 0.6 mm, and / or less than 10 mm or 6 mm, particularly preferably less than 5 mm or 3 mm, in particular less than 2 mm or 1 mm.
  • the second channel section 22 preferably has or forms the outlet opening 20, preferably with the outlet opening 20 lying in the end face 25 of the nozzle arrangement 10.
  • the second channel section 22 preferably widens in the flow direction S of the fluid 3 or the second channel section 22 diverges in the flow direction S of the fluid 3.
  • the largest flow cross section Q of the second channel section 22 preferably corresponds to the outlet opening 20.
  • the longitudinal extent or length of the largest flow cross section Q of the second channel section 22 or the (maximum) width of the outlet opening 20 is preferably more than 1 mm, particularly preferably more than 1.5 mm, in particular more than 2 mm, and / or less than 8 mm, particularly preferably less than 6 mm or 4 mm, in particular less than 3.5 mm or 3 mm.
  • the second channel section 22 has two elongated side surfaces 26 and two short leg surfaces 27 and / or is delimited by two elongated side surfaces 26 and two short leg surfaces 27.
  • the area of the side surfaces 26 preferably corresponds to a multiple of the area of the leg surfaces 27, in particular at least 1.5 times or 2 times.
  • the side surfaces 26 of the second channel section 22 preferably run at least substantially parallel to one another and / or to the flow direction S or the longitudinal axis L.
  • other solutions are also possible here, in particular in which the side surfaces 26 to one another and / or to the flow direction S or Longitudinal axis L are inclined.
  • the leg surfaces 27 of the second channel section 22 are inclined relative to the flow direction S or longitudinal axis L, preferably in such a way that the flow cross section Q of the second channel section 22 widens in the flow direction S of the fluid 3 — preferably continuously or continuously and / or linearly.
  • the leg surfaces 27 are preferably inclined such that the side surfaces 26 (each) have the shape of a trapezoid and / or the second channel section 22 is designed as a trapezoidal prism.
  • the side surfaces 26 and / or leg surfaces 27 are flat.
  • the second channel section 22 is of stepless design.
  • the side surfaces 26 and / or leg surfaces 27 can be curved or bent.
  • the leg surfaces 27 are preferably relative by more than 10 °, particularly preferably more than 20 °, in particular more than 30 °, and / or less than 80 ° or 70 °, particularly preferably less than 60 °, in particular less than 50 ° inclined to the flow direction S or longitudinal axis L of the nozzle arrangement 10.
  • the leg surfaces 27 are very particularly preferably inclined relative to the flow direction S or longitudinal axis L more than the side slopes 24 of the first channel section 21 relative to the flow direction S or longitudinal axis L. In this way, a slow compression or acceleration and a rapid expansion or deceleration of the fluid 3 in the channel 18 is made possible or supported, as a result of which good atomization can be achieved even when the pressure or velocity of the fluid 3 drops.
  • the side surfaces 26 and / or leg surfaces 27 are preferably spaced apart from the passage opening 23 and / or the second channel section 22 has a bottom surface 28, preferably with the bottom surface 28 connecting laterally to the passage opening 23 and / or between the passage opening 23 and the side surfaces 26 and / or leg surface 27 is arranged.
  • the bottom surface 28 is preferably arranged at least substantially parallel to the end surface 25 of the nozzle arrangement 10 and / or transversely to the flow direction S.
  • the flow cross section Q preferably increases abruptly in the flow direction S, starting from the passage opening 23.
  • Fig. 6 and Fig. 9 illustrate, the channel sections 21, 22 are arranged rotated relative to one another, in particular at least essentially by 90 °.
  • the longitudinal extent of the smallest flow cross section Q of the first channel section 21 or adjacent to the second channel section 22 is arranged transversely or at least substantially orthogonally to the longitudinal extension of the smallest flow cross section Q of the second channel section 22 or adjacent to the first channel section 21.
  • the flow cross sections Q formed by the two channel sections 21, 22 in the form of slits are arranged in a plan view of the nozzle arrangement 10 one above the other in a cross shape or rotated by 90 ° to one another, in particular Fig. 9 illustrated.
  • the first channel section 21 and the second channel section 22 partially overlap.
  • the first channel section 21 particularly preferably extends through the base part 16 into the head part 17.
  • the bottom surface 28 of the second channel section 22 projects laterally from the side slopes 24 of the first channel section 21, in particular Fig. 8 illustrated.
  • the passage opening 23 particularly preferably extends both transversely and at least substantially parallel to the flow direction S and / or the passage opening 23 is (also) formed in the flow direction S.
  • the nozzle arrangement 10 preferably has a circumferential recess 30, preferably with the recess 30 in the Base part 16 is arranged. In this way, material can be saved in the manufacture of the nozzle arrangement 10.
  • the nozzle arrangement 10 can preferably be aligned in its rotational position during or for mounting the dispensing device 1 or the dispensing head 2, preferably in such a way that the aerosol produced has the desired orientation or alignment.
  • the nozzle arrangement 10 is particularly preferably aligned or orientable in such a way that the main plane of propagation of the aerosol generated is arranged transversely or at least substantially orthogonally to a longitudinal axis of the dispensing device 1 or the longitudinal axis of the dispensing device 1 within or at least substantially parallel to the main plane of propagation of the aerosol generated runs.
  • the nozzle arrangement 10 preferably — in particular in addition to the second channel section 22 — has and / or forms a mounting profile or a mounting element 31.
  • the nozzle arrangement 10 can preferably be aligned relative to the housing part 6 or actuating part 7 by means of the mounting profile 31 and a mounting device (not shown), such as a tool.
  • the nozzle arrangement 10 is positively connected or connectable or coupled or couplable by means of the mounting profile 31 to a mounting device.
  • the nozzle arrangement 10 is very particularly preferably both adjustable and insertable or insertable into the dispensing device 1 or the dispensing head 2, in particular the receptacle 11, by means of a mounting device.
  • the assembly of the dispensing device 1 or the dispensing head 2 is simplified.
  • the nozzle arrangement 10 or the mounting profile 31 preferably has or forms at least one mounting surface 32, preferably wherein the mounting surface 32 is arranged at least essentially straight or plane and / or displaceable or spaced apart from the longitudinal axis L.
  • the nozzle arrangement 10 or the mounting profile 31 preferably has or forms a plurality of, preferably at least substantially parallel, mounting surfaces 32.
  • the nozzle arrangement 10 can preferably be gripped and / or rotated on the mounting surface 32.
  • a mounting device can very particularly preferably be placed on the mounting surface 32, preferably in order to transmit a torque to the nozzle arrangement 10 and / or to rotate the nozzle arrangement 10 about the longitudinal axis L.
  • the mounting profile 31 is preferably arranged or formed on the end face and / or on or in the head part 17 of the nozzle arrangement 10.
  • the mounting profile 31 is preferably designed as a depression or step 15 and / or is formed by an (axial) recess in the head part 17 of the nozzle arrangement 10.
  • the mounting profile or element 31 is designed as an (axial) projection or rib, like that in FIG 10 and 11 illustrated second embodiment of the nozzle assembly 10 illustrates.
  • the mounting profile 31 is preferably formed by at least one, here two, preferably axial and / or spaced apart projections or mounting elements 31, in particular on the end face and / or on or in the head part 17.
  • the mounting profile 31 is slot-shaped or as a slot and / or for coupling to a slot-shaped mounting device.
  • the nozzle arrangement 10 and a mounting device can preferably be connected or coupled to one another in a form-fitting manner by means of an axial relative movement to one another or a movement in the direction of the longitudinal axis L, preferably in such a way that the mounting device at least partially - preferably axially or at the end - into the nozzle arrangement 10 or the mounting profile 31 engages and / or rests on the mounting surface 32.
  • the mounting surface 32 or the plane formed by the mounting surface 32 is preferably at least substantially parallel and / or spaced apart from the Channel 18 or second channel section 22, in particular the side surfaces 26 or the planes formed by the side surfaces 26, are arranged.
  • the channel 18 or the second channel section 22 is very particularly preferably arranged between two mounting surfaces 32. In this way, an impairment of the spray pattern by the mounting profile 31 is prevented or minimized.
  • the mounting profile 31 is preferably larger, in particular longer, than the outlet opening 20 or the longitudinal extent of the outlet opening 20.
  • the mounting area 32 or the area of the mounting area 32 is larger than one of the side areas 26 or the area of one of the side areas 26. In this way, the handling of the nozzle arrangement 10 during assembly is simplified.
  • the mounting profile 31 is preferably formed in addition to or independently of the second channel section 22 in the nozzle arrangement 10. This advantageously prevents damage to the channel 18, in particular the second channel section 22, when the nozzle arrangement 10 is aligned.
  • the channel 18, in particular the second channel section 22, forms the mounting profile 31 and / or the side surfaces 26 are designed as mounting surfaces 32.
  • the proposed nozzle arrangement 10 it is possible with the proposed nozzle arrangement 10 to achieve an at least substantially uniform, uniform, symmetrical, fan-like and / or equally wide spray pattern even when the pressure of the fluid 3 or the container 4 drops. In particular, the flow losses are reduced by the nozzle arrangement 10.
  • a spray pattern (not shown) generated by means of the nozzle arrangement 10 preferably has a distance between the spray pattern and the nozzle arrangement 10 or outlet opening 20 of at least essentially 150 mm, at a temperature of the fluid 3 of at least essentially 21 ° C. and at a Viscosity of the fluid 3 of at least essentially 0.82 dPas a width of more than 160 mm, in particular more than 170 mm, with a container pressure of at least essentially 1.0 MPa, a width of more than 140 mm, in particular 150 mm, at a container pressure of at least substantially 0.8 MPa and a width of more than 100 mm, in particular 110 mm or 120 mm, at a container pressure of at least substantially 0.6 MPa or 0.4 MPa.
  • the dispensed mass of the fluid 3 preferably depends linearly on the pressure of the fluid 3 or of the container 4 at a predefined time of dispensing, at least in the pressure range from 1 MPa to 0.4 MPa.
  • the mass of the fluid delivered at a delivery time of 10 seconds is 3 26 g at a tank pressure of 1 MPa, 23 g at a tank pressure of 0.8 MPa, 20 g at a tank pressure of 0.6 MPa and 18 g at a tank pressure of 0.4 MPa, in particular wherein the temperature of the fluid 3 is at least essentially 21 ° C. and the viscosity of the fluid 3 is at least substantially 0.82 dPas.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)

Claims (11)

  1. Système de buse (10) pour une pulvérisation de préférence en éventail d'un fluide (3), en particulier d'huile, le système de buse (10) présentant un canal (18) pour le fluide (3),
    le canal (18) ayant une première section de canal (21) et une seconde section de canal (22) dans le prolongement de la première section de canal (21) dans la direction d'écoulement (S) du fluide (3),
    la première section de canal (21) convergeant dans la direction d'écoulement (S) du fluide (3), en se rétrécissant dans la direction d'écoulement (S) du fluide (3) sous la forme d'une fente ou d'une section transversale d'écoulement allongée (Q), la seconde section de canal (22) ayant une section transversale allongée ou semblable à une fente et étant délimitée par deux surfaces latérales allongées (26) et deux surfaces de branche courtes (27),
    les surfaces de branche (27) étant inclinées par rapport à la direction d'écoulement (S) ou à un axe longitudinal (L) du canal (18),
    caractérisé en ce que
    l'extension longitudinale de la section transversale d'écoulement (Q) de la première section de canal (21) la plus petite ou adjacente à la seconde section de canal (22) est disposée transversalement à l'extension longitudinale de la section transversale d'écoulement (Q) de la seconde section de canal (22) la plus petite ou adjacente à la première section de canal (21).
  2. Système de buse selon la revendication 1, caractérisé en ce que les surfaces de branche (27) sont inclinées de telle sorte que la seconde section de canal (22) diverge dans la direction d'écoulement (S).
  3. Système de buse selon la revendication 1 ou 2, caractérisé en ce que la première section de canal (21) dans la direction d'écoulement (S) du fluide (3) présente deux pentes latérales (24) inclinées l'une par rapport à l'autre.
  4. Système de buse selon l'une des revendications précédentes, caractérisé en ce que la seconde section de canal (22) est conçue comme un prisme trapézoïdal, les surfaces latérales (26) étant au moins sensiblement parallèles les unes aux autres.
  5. Système de buse selon l'une des revendications précédentes, caractérisé en ce que la première section de canal (21) est en communication fluidique avec la seconde section de canal (22) par une ouverture de passage (23), de préférence l'ouverture de passage (23) étant rectangulaire, en particulier carrée et/ou présentant la plus petite section transversale d'écoulement (Q) dans le canal (18).
  6. Système de buse selon la revendication 5, caractérisé en ce que les surfaces de branche (27) et/ou les surfaces latérales (26) sont espacées de l'ouverture de passage (23).
  7. Système de buse selon l'une des revendications précédentes, caractérisé en ce que la section transversale d'écoulement (Q) diminue brusquement dans la direction d'écoulement (S) à l'extrémité de la première section de canal (21) et/ou augmente brusquement dans la direction d'écoulement (S) au début de la seconde section de canal (22).
  8. Système de buse selon l'une des revendications précédentes, caractérisé en ce que la seconde section de canal (22) débouche de préférence directement à l'air libre et/ou dans une face frontale (25) du système de buse (10) et/ou est conçue en continu.
  9. Système de buse selon l'une des revendications précédentes, caractérisé en ce que le système de buse (10) est conçu comme un insert de buse de préférence remplaçable pour une tête de distribution (2).
  10. Tête de distribution (2) pour distribuer un fluide (3), en particulier de l'huile,
    la tête de distribution (2) ayant une partie de boîtier (6), une partie d'actionnement (7) pour actionner la tête de distribution (2) et un système de buse (10) pour la pulvérisation, de préférence en éventail, du fluide (3),
    la tête de distribution (2) pouvant être reliée à un récipient associé (4) au fluide (3),
    caractérisé en ce que
    le système de buse (10) est conçu selon une des revendications précédentes.
  11. Utilisation d'un système de buse (10) selon l'une des revendications 1 à 9 pour la pulvérisation en particulier en éventail d'un fluide (3), en particulier d'une huile.
EP16774625.4A 2015-07-22 2016-07-12 Système de buse et tête de distribution Active EP3325169B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102015009303 2015-07-22
DE102015013414.0A DE102015013414A1 (de) 2015-07-22 2015-10-19 Düsenanordnung und Abgabekopf
PCT/EP2016/025075 WO2017012717A1 (fr) 2015-07-22 2016-07-12 Système de buse et tête de distribution

Publications (2)

Publication Number Publication Date
EP3325169A1 EP3325169A1 (fr) 2018-05-30
EP3325169B1 true EP3325169B1 (fr) 2020-03-04

Family

ID=57738651

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Application Number Title Priority Date Filing Date
EP16774625.4A Active EP3325169B1 (fr) 2015-07-22 2016-07-12 Système de buse et tête de distribution

Country Status (8)

Country Link
US (1) US10335805B2 (fr)
EP (1) EP3325169B1 (fr)
CN (1) CN107847948B (fr)
BR (1) BR112017028176B1 (fr)
DE (1) DE102015013414A1 (fr)
ES (1) ES2794651T3 (fr)
MX (1) MX2017016901A (fr)
WO (1) WO2017012717A1 (fr)

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EP3749461B1 (fr) * 2018-02-09 2023-09-13 Rust-Oleum Corporation Actionneur aerosol a ouverture large
CN110508409A (zh) * 2019-08-29 2019-11-29 沛乐迪(厦门)卫浴有限公司 一种刀片水成型结构

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Also Published As

Publication number Publication date
CN107847948A (zh) 2018-03-27
US10335805B2 (en) 2019-07-02
CN107847948B (zh) 2021-03-09
ES2794651T3 (es) 2020-11-18
BR112017028176B1 (pt) 2021-11-03
US20180154376A1 (en) 2018-06-07
WO2017012717A1 (fr) 2017-01-26
DE102015013414A1 (de) 2017-01-26
EP3325169A1 (fr) 2018-05-30
BR112017028176A2 (pt) 2018-08-28
MX2017016901A (es) 2018-08-15

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