EP0775023B1 - Buse de pulverisation servant a la regulation d'un debit par unite de temps - Google Patents

Buse de pulverisation servant a la regulation d'un debit par unite de temps Download PDF

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Publication number
EP0775023B1
EP0775023B1 EP94914532A EP94914532A EP0775023B1 EP 0775023 B1 EP0775023 B1 EP 0775023B1 EP 94914532 A EP94914532 A EP 94914532A EP 94914532 A EP94914532 A EP 94914532A EP 0775023 B1 EP0775023 B1 EP 0775023B1
Authority
EP
European Patent Office
Prior art keywords
channels
spray nozzle
loop forming
channel
forming 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.)
Revoked
Application number
EP94914532A
Other languages
German (de)
English (en)
Other versions
EP0775023A1 (fr
Inventor
Winfried Jean Werding
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.)
Verbena Corp Nv En International Cie
Original Assignee
Verbena Corp NV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4213299&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0775023(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Verbena Corp NV filed Critical Verbena Corp NV
Publication of EP0775023A1 publication Critical patent/EP0775023A1/fr
Application granted granted Critical
Publication of EP0775023B1 publication Critical patent/EP0775023B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • B05B1/34—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
    • 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
    • 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
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0425—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid without any source of compressed gas, e.g. the air being sucked by the pressurised liquid

Definitions

  • the present invention relates to a spray nozzle for regulating the flow rate per unit of time, consisting of a nozzle sleeve and a nozzle core, which is mounted inside the nozzle sleeve.
  • a spray nozzle for regulating the flow rate per unit of time, consisting of a nozzle sleeve and a nozzle core, which is mounted inside the nozzle sleeve.
  • Such spray nozzles can be used, inter alia, in mechanical spray systems, such as, for example, in atomizer pumps or spray cans which use compressed gases such as air or nitrogen as the driving force, or soluble gases such as CO 2 or N 2 O
  • the spray nozzle according to the invention in addition to fine atomization of liquids, the output quantity per unit of time also remains at least approximately constant and this, although the pressure drops when the aforementioned gases are used, during the emptying of the can.
  • EP-A-0.000.688 describes a spray nozzle which includes the features of the preamble of claim 1. With this spray nozzle feed channels open Concentric channels, the confluence of all feed channels in the concentric channels always take place in the same direction of rotation. With this arrangement the droplet size cannot be kept sufficiently small, especially when higher can pressure.
  • this object is achieved by a spray nozzle for regulating the flow rate per unit of time solved, which is characterized in that feed channels open into the first feed channels that run in one direction feed a first rotary channel lying that from this in the opposite direction to the previous one Direction of rotation, open out at least second feed channels and communicate with a hole.
  • the second feed channels connected to the inside at least with a second rotary channel be at least by means of third feed channels is connected to an inner ring channel, which is connected to the bore, the opposite on Feed channels arranged on the sides of a rotary channel in the opposite direction at an angle to the radial direction run.
  • An advantageous embodiment is characterized in that that the first round channel is a heptagon, while the second concentric channel forms a pentagon that the first rotary channel with seven first feed channels and the second rotary channel with five second feed channels is fed and that, by the second round channel opening, three third designed as tangential channels Open the feed channels into the ring channel.
  • This arrangement results in a particularly effective way of working and an original structure.
  • the first rotary channel with constrictions to which, essentially standing perpendicular to them, air ducts are provided, which are connected to the outside air through holes.
  • turbulent flow is a Liquid downstream leads to a drop in pressure, where the wall texture of a pipe and the speed play a role in the current. Further cause angular distractions by creating turbulence to a greater reduction in pressure than articulations with one Radius.
  • the spray nozzle according to the invention is designed that by means of brusque changes in flow direction a pressurized liquid that causes turbulence, on the one hand the output quantity per unit of time influence in such a way that they are, at least approximately constant remains and the other hand, by means of an extremely violent splitting of the liquid, this atomized very finely.
  • This will finely atomize the surface Liquid larger than that, the coarser droplets have, as is the case with the known spray nozzles is.
  • This larger droplet surface leads to a faster evaporation, extremely important when using of water as a solvent.
  • Fig. 1 shows the inside of a nozzle sleeve, the Has feed channels 2, via which a not shown Liquid enters feed channels 3, which in a large Rotary channel 4 open.
  • the inlet direction of the feed channels 3 is selected here in a clockwise direction.
  • feed ducts 5 run, this time clockwise, in the direction of a small rotary channel 6.
  • a ring channel 7 In the center of the nozzle sleeve 1 is a ring channel 7, in which, this time again in reverse Clockwise, open tangential channels 8.
  • a bead 10 To the Bore 9 of the nozzle sleeve 1 is a bead 10, which has the most beneficial effect on the splitting of a liquid.
  • the nozzle sleeve 1 is provided with a recess 11, to distribute a liquid, not shown to the feed channels 2.
  • FIG. 3 shows an output element 12 with a core 13, which is mounted in the nozzle sleeve 1.
  • the core is 13 provided with a cavity 14 which is in the direction of escape with a bore 15 of the output element 12.
  • Of the Cavity 14 serves to deform the end face of the Core 13 to avoid when the output element 12 in Injection molding process is made for the face
  • the core 13 must be as level as possible around the feed channels 3 and 5, the concentric channels 4 and 6, the tangential channels 8 and to cover the ring channel 7 so that these become lines and any sloshing out the channels is avoided.
  • the output element is provided with a main channel 16, from the bores 17 and 18 into the recess 11 the nozzle sleeve 1 open, from where a not shown Liquid through the different channels of the nozzle sleeve 1 reaches their bore 9 and atomizes there is expelled.
  • FIG. 4 shows an extremely advantageous embodiment the spray nozzle according to the invention. It shows the Inside time of a nozzle sleeve 19 with a depression 20.
  • the nozzle sleeve 19 has a large hexagonal Rotary channel 21 on, in the corners, here in reverse Clockwise, feed channels 22 open in the direction of escape lie with the sides of the large rotary duct 21.
  • Downstream is a small, pentagonal one Rundlaufkanal 23, in its corners, from the large Rundlaufkanal 21 coming this time clockwise, feed channels 24 flow out in the direction of escape with the sides of the small Rotary channel 23 are.
  • feed channels 26 In a central ring channel 25 open, again in a clockwise direction, from coming small round channel, feed channels 26, one Form tangent with the ring channel 25.
  • the depth of the nozzle sleeve is chosen so that they have the cavity 14 of the nozzle core 13 and the bore 15 of the output element 13 hermetically seals, so that there can be no leak.
  • FIG. 5 shows an embodiment of the invention Spray nozzle whose nozzle sleeve 27 a large one Has concentric channel 28, which is provided with constrictions 29 is in which, perpendicular to them, air channels 30 open out through holes 31 in connection with the outside air stand.
  • These constrictions 29 realize one VENTURI effect, one accelerated by the constrictions 29 flowing liquid, via the air channels 30 and whose holes 31 sucks in outside air and with the Liquid mixed, after which the sucked air in the subsequent smaller channels compressed in the liquid so that it leaves 9 explosive in contact with atmospheric pressure relaxes and so the already mechanically atomized liquid burst into even smaller droplets.
  • the spray nozzle according to the invention is of course not limited to use in an output element 12. It can be used wherever there is a liquid must be atomized under a variable Under pressure, such as Sprinklers, fire engines etc., where then an independent nozzle core 13 in a nozzle sleeve 1 is pressed, which then together in a pipe part are stored on pipe or hose lines can be connected.
  • the Spray nozzle first feed channels in one direction feed a first rotary channel lying flat, and only a second one Feeders from this in reverse direction open to the previous direction of rotation and with the Exit bore are in communication.
  • the spray nozzle with more than three nested Feeder channel families and more than two rotary channels Mistake.

Landscapes

  • Nozzles (AREA)
  • Catching Or Destruction (AREA)
  • Fertilizing (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Massaging Devices (AREA)
  • Spray Control Apparatus (AREA)

Claims (11)

  1. Buse de pulvérisation servant à la régulation du débit par unité de temps, constituée par une enceinte (1, 19, 27) de buse et d'un corps (13) de buse logé à l'intérieur de l'enceinte (1, 19, 27), caractérisée en ce que les canaux d'approvisionnement (2) s'ouvrent dans des premiers canaux d'alimentation (3, 22), lesquels sont disposés suivant une première direction de rotation pour alimenter un premier canal en boucle (4, 21) s'ouvrant, suivant une direction opposée par rapport à la direction de rotation précédente sur au moins deux canaux d'alimentation (5, 24) en communication avec un alésage (9).
  2. Buse de pulvérisation selon la revendication 1, caractérisée en ce que les seconds canaux d'alimentation (5, 24) sont en communication, par le côté interne, avec au moins un second canal en boucle (6, 23), lequel communique par au moins de troisièmes canaux d'alimentation (8, 26) avec un canal annulaire interne (7, 25), lequel est en communication avec l'alésage (9), les canaux d'alimentation sur les côtés opposés du canal en boucle étant disposés en directions opposées, en formant un angle avec la direction radiale.
  3. Buse de pulvérisation selon la revendication 2, caractérisée en ce que les canaux d'alimentation sont sensiblement tangentiels par rapport au canal annulaire et/ou au canal en boucle.
  4. Buse de pulvérisation selon la revendication 1, caractérisée en ce que le corps (13) de la buse fait partie intégrante d'un élément de sortie (12) et qu'il est couvert par l'enceinte (1, 19, 27), le corps (13) de la buse présentant un espace vide (14), qui est fermé hermétiquement par l'enceinte (1, 19 27) de la buse contre l'air externe.
  5. Buse de pulvérisation selon la revendication 4, caractérisée en ce que l'élément de sortie (12) présente un alésage (15) qui est aligné avec l'espace vide (14) du corps (13) de la buse.
  6. Buse de pulvérisation selon la revendication 2, caractérisée en ce que le premier canal en boucle (21) est heptagonal, alors que le second canal en boucle (23) est pentagonal, en ce que le premier canal en boucle (21) est alimenté par sept premiers canaux d'alimentation (22), que le second canal en boucle (23) est alimenté par cinq canaux d'alimentation et en ce que trois canaux (26) partent du second canal en boucle (23) et constituent les troisièmes canaux alimentant tangentiellement le canal annulaire (25).
  7. Buse de pulvérisation selon la revendication 6, caractérisée en ce que les premiers canaux d'alimentation (22) sont alignés avec les parois latérales du premier canal en boucle (21) et en ce que les seconds canaux d'alimentation (24) sont alignés avec les parois latérales du second canal en boucle (23), alors que les canaux tangentiels (26) forment une tangente avec la paroi externe du canal annulaire (25).
  8. Buse de pulvérisation selon la revendication 1, caractérisée en ce que l'enceinte (1, 19, 27) de la buse présente une creusure (11, 20).
  9. Buse de pulvérisation selon la revendication 1, caractérisée en ce qu'au moins le premier canal en boucle (28) comporte des parties amincies (29) qui sont pourvues de canaux à air (30) sensiblement perpendiculaires par rapport à ces parties, ces canaux étant en communication par des alésages (31) avec l'air externe.
  10. Buse de pulvérisation selon la revendication 9, caractérisée en ce que les canaux (30) à air comportent un prolongement axial (32) qui sont en communication avec l'air externe par l'intermédiaire des canaux (33).
  11. Buse de pulvérisation selon la revendication 1, caractérisée en ce que le corps (13) de la buse est indépendant de l'éléments de sortie (12), qu'il est inséré en tant qu'élément autonome dans l'enceinte (1, 19, 27) de la buse et qu'il est logé avec celle-ci dans un élément tubulaire.
EP94914532A 1993-05-25 1994-05-20 Buse de pulverisation servant a la regulation d'un debit par unite de temps Revoked EP0775023B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1561/93 1993-05-25
CH156193 1993-05-25
PCT/IB1994/000118 WO1994027729A1 (fr) 1993-05-25 1994-05-20 Buse de pulverisation servant a la regulation d'un debit par unite de temps

Publications (2)

Publication Number Publication Date
EP0775023A1 EP0775023A1 (fr) 1997-05-28
EP0775023B1 true EP0775023B1 (fr) 1998-11-18

Family

ID=4213299

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94914532A Revoked EP0775023B1 (fr) 1993-05-25 1994-05-20 Buse de pulverisation servant a la regulation d'un debit par unite de temps

Country Status (10)

Country Link
US (1) US5722598A (fr)
EP (1) EP0775023B1 (fr)
JP (1) JPH08510411A (fr)
AT (1) ATE173416T1 (fr)
AU (1) AU676909B2 (fr)
CA (1) CA2163533A1 (fr)
DE (1) DE59407318D1 (fr)
DK (1) DK0775023T3 (fr)
ES (1) ES2126753T3 (fr)
WO (1) WO1994027729A1 (fr)

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SE504838C2 (sv) * 1995-08-31 1997-05-12 Astra Ab Anordning vid ett sprayrörsmunstycke
DE19811736A1 (de) * 1998-03-18 1999-09-23 Guenter Slowik Drallerzeuger für Düsen und Verfahren zum Verändern der Drallbewegung
FR2795346B1 (fr) * 1999-06-24 2001-09-14 Verbena Corp N V Buse de pulverisation a chambre de tourbillonnement munie d'une nervure annulaire frontale posterieure de passage de sortie
FR2821573B1 (fr) * 2001-03-05 2003-06-13 Verbena Corp N V Buse de pulverisation a canaux profiles
DE102005024612A1 (de) * 2005-05-25 2006-11-30 Wella Ag Sprühkopf mit einem Düseneinsatzteil
US8500044B2 (en) * 2007-05-04 2013-08-06 S.C. Johnson & Son, Inc. Multiple nozzle differential fluid delivery head
WO2007101557A2 (fr) * 2006-03-07 2007-09-13 Boehringer Ingelheim International Gmbh Buse à turbulence
US8820664B2 (en) 2007-05-16 2014-09-02 S.C. Johnson & Son, Inc. Multiple nozzle differential fluid delivery head
HU229699B1 (en) 2007-05-23 2014-05-28 Mta Termeszettudomanyi Kutatokoezpont Mta Ttk Imaging optical checking device with pinhole camera (reflectometer, polarimeter, ellipsicmeter)
FR2917721B1 (fr) * 2007-06-19 2012-07-27 Rexam Dispensing Sys Bouton poussoir comprenant des canaux axiaux pour l'alimentation equilibree de la chambre tourbillonnaire
US9242256B2 (en) * 2007-07-17 2016-01-26 S.C. Johnson & Son, Inc. Aerosol dispenser assembly having VOC-free propellant and dispensing mechanism therefor
EP2077132A1 (fr) 2008-01-02 2009-07-08 Boehringer Ingelheim Pharma GmbH & Co. KG Dispositif distributeur, dispositif de stockage et procédé pour la distribution d'une formulation
JP5670421B2 (ja) 2009-03-31 2015-02-18 ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング コンポーネント表面のコーティング方法
EP2432531B1 (fr) 2009-05-18 2019-03-06 Boehringer Ingelheim International GmbH Adaptateur, dispositif d'inhalation et pulvérisateur
JP5715640B2 (ja) 2009-11-25 2015-05-13 ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング ネブライザ
US10016568B2 (en) 2009-11-25 2018-07-10 Boehringer Ingelheim International Gmbh Nebulizer
EP2504051B1 (fr) 2009-11-25 2019-09-04 Boehringer Ingelheim International GmbH Nébuliseur
JP2011235197A (ja) * 2010-04-30 2011-11-24 Yoshino Kogyosho Co Ltd ノズルチップ
FR2961189B1 (fr) * 2010-06-14 2013-02-22 Valois Sas Tete de distribution de produit fluide.
US9943654B2 (en) 2010-06-24 2018-04-17 Boehringer Ingelheim International Gmbh Nebulizer
EP2694220B1 (fr) 2011-04-01 2020-05-06 Boehringer Ingelheim International GmbH Appareil médical pourvu d'un récipient
US9827384B2 (en) 2011-05-23 2017-11-28 Boehringer Ingelheim International Gmbh Nebulizer
WO2013152894A1 (fr) 2012-04-13 2013-10-17 Boehringer Ingelheim International Gmbh Pulvérisateur comprenant des moyens de détrompage
ES2836977T3 (es) 2013-08-09 2021-06-28 Boehringer Ingelheim Int Nebulizador
EP3030298B1 (fr) 2013-08-09 2017-10-11 Boehringer Ingelheim International GmbH Nébuliseur
PL3139984T3 (pl) 2014-05-07 2021-11-08 Boehringer Ingelheim International Gmbh Nebulizator
CN106232166B (zh) 2014-05-07 2020-04-14 勃林格殷格翰国际有限公司 喷雾器
CN106255554B (zh) 2014-05-07 2021-05-04 勃林格殷格翰国际有限公司 容器、喷雾器及用途
CN204994473U (zh) * 2015-08-03 2016-01-27 上海爱农机电设备有限公司 便携式超细雾化机
USD842451S1 (en) * 2017-05-24 2019-03-05 Hamworthy Combustion Engineering Limited Atomizer
KR102077606B1 (ko) * 2018-03-15 2020-02-17 (주)연우 오리피스 및 이를 포함하는 스프레이 용기

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GB1589942A (en) * 1977-11-02 1981-05-20 Realex Corp Fine mist spraying apparatus

Also Published As

Publication number Publication date
EP0775023A1 (fr) 1997-05-28
AU6687194A (en) 1994-12-20
US5722598A (en) 1998-03-03
ES2126753T3 (es) 1999-04-01
AU676909B2 (en) 1997-03-27
JPH08510411A (ja) 1996-11-05
DK0775023T3 (da) 1999-06-23
WO1994027729A1 (fr) 1994-12-08
ATE173416T1 (de) 1998-12-15
CA2163533A1 (fr) 1994-12-08
DE59407318D1 (de) 1998-12-24

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