EP1502653B1 - Buse de pulvérisation d'un fluide sur une suface - Google Patents

Buse de pulvérisation d'un fluide sur une suface Download PDF

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Publication number
EP1502653B1
EP1502653B1 EP03017433A EP03017433A EP1502653B1 EP 1502653 B1 EP1502653 B1 EP 1502653B1 EP 03017433 A EP03017433 A EP 03017433A EP 03017433 A EP03017433 A EP 03017433A EP 1502653 B1 EP1502653 B1 EP 1502653B1
Authority
EP
European Patent Office
Prior art keywords
piston rod
baffle plate
nozzle according
nozzle
outlet opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03017433A
Other languages
German (de)
English (en)
Other versions
EP1502653A1 (fr
Inventor
Hermann Lange
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.)
Lechler GmbH
Original Assignee
Lechler 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
Priority to PT03017433T priority Critical patent/PT1502653E/pt
Priority to AT03017433T priority patent/ATE408460T1/de
Priority to ES03017433T priority patent/ES2312698T3/es
Priority to EP03017433A priority patent/EP1502653B1/fr
Priority to DE50310519T priority patent/DE50310519D1/de
Application filed by Lechler GmbH filed Critical Lechler GmbH
Priority to US10/900,972 priority patent/US20050040261A1/en
Priority to KR1020040059551A priority patent/KR20050016030A/ko
Priority to PL04369359A priority patent/PL369359A1/xx
Priority to JP2004223955A priority patent/JP2005052828A/ja
Publication of EP1502653A1 publication Critical patent/EP1502653A1/fr
Application granted granted Critical
Publication of EP1502653B1 publication Critical patent/EP1502653B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
    • 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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B05B1/3073—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a deflector acting as a valve in co-operation with the outlet orifice
    • 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
    • B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
    • B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors

Definitions

  • the invention relates to a nozzle for spraying a surface; with a housing having a feed channel with a lying in the surface to be sprayed outlet for the liquid to be sprayed, with a centrally guided in the feed piston rod with a baffle plate, which closes the outlet opening in an end position and in a second end position at a distance so before the outlet opening is that the exiting liquid is deflected to a directed against the surface annular spray jet.
  • Nozzles of this type are for example from the DE 100 57 429 A1 known. They produce a reverse symmetrical spray fan, which corresponds to a conical shell with a circular cross-section. It has been shown that relatively large amounts of water are lost through the use of such spray nozzles, because in some cases sprayed areas but for which - for example, in the edge areas of a surface - a spraying is not necessary.
  • a piston rod has a baffle plate to irrigate a surface surrounding the nozzle.
  • the baffle plate is designed as a conical surface and abuts at an angle to the piston rod.
  • the baffle plate is divided into a total of four segments, which can be moved parallel to the central longitudinal axis of the piston. To only sprinkle a part of a full circle, so for example three quarters or a quarter, the corresponding segments of the baffle plate are moved so far down until they partially close the outlet for the water to be sprayed, namely over a portion of the circumference of the piston rod , An annular sprinkling with seen over the circumference different radius is not possible.
  • a nozzle is known in which an outlet opening is closed by means of a closure body which is arranged on a spring-biased piston rod.
  • the spring preload is adjusted so that the closure body vibrates in the operation of the nozzle in the longitudinal direction of the piston rod and the outlet opening alternately closes and releases.
  • the present invention has for its object, spray nozzles of the type mentioned in such a way that an asymmetric spray can be provided by which it is possible to keep the sprayed area smaller.
  • the invention in a nozzle of the type mentioned is that the outlet opening facing the underside of the baffle plate is provided with a parallel to the outer edge of the baffle plate extending recess extending approximately over half of the circumference of the baffle plate.
  • the inner edge of the recess can be arranged in a circular arc around the axis of the piston rod in a central portion, wherein the central portion extends over an angle of approximately 90 °.
  • the adjoining the central portion outer regions of the edge then run approximately as a straight line, so that about half of the annular emerging spray is steered steeper down and sprayed in this way a smaller area.
  • the rotation of the piston rod may consist of a guided in an axially parallel groove in the interior of the housing cam, said cam may be part of a guide plate for the piston rod, which in turn is connected to the piston rod against rotation.
  • the nozzle 1 after Fig. 1 which can also be referred to as Deflektordüse, consists of a housing 2a with a screwed to the housing 2a via a flange 2b, which is provided with distributed on its circumference openings 11 and is screwed via not shown screws with corresponding mounting holes 12, which are provided for example on a ring 13 which is arranged in an opening of a wall 3, the outside of which is to be sprayed for the purpose of cooling.
  • the housing 2a is provided with a remote cylindrical feed channel 14 for the liquid to be sprayed, which is supplied in a manner not shown in detail from the connection part of the housing 2a in the direction of the arrow 15.
  • a piston 4 is arranged, which is fixedly attached to the lower end of a piston rod 16.
  • the piston 4 is provided with through holes 4a for the flow of liquid and serves as a stop for a coil spring 5, which is wrapped around the piston rod 16 and abuts with its other end to a guide plate 7, which is fixedly arranged in the housing 2a and also with through holes 7a is provided for the liquid to be sprayed.
  • the guide plate 7 is held in the housing 2a by an insert 17 which surrounds the piston rod 16 with an annular gap 8, which is provided outside the insert 17 with a baffle plate 6, which rests on the insert 17 in the solid drawn position and an outside closes with the surface 2c of the flange 2b final exit opening.
  • This top 2c of the flange is located as Fig. 1 shows, in a plane with the outside 3a of the wall 3, which in turn represents the area to be sprayed for the purpose of cooling.
  • the function of the nozzle is as follows:
  • the Fig. 6 indicates that the spray fan 9 is asymmetrical. On the right side, the liquid fan is deflected much steeper against the surface 3a, so that the total sprayed area is smaller than if a symmetrical circular cone-shaped spray jet 9 had been produced, as in the prior art.
  • This form of Sprühfumbleers 9 is achieved in that the baffle plate 6 is provided on its underside 20 with a recess 26 which extends parallel to the outer edge of the baffle plate 6 and extends approximately over half of the circumference of the baffle plate. This recess 26 is
  • Fig. 2 and 3 clearly visible. It is approximately trough-shaped, like the 4 and 5 reveal. It is clear that the recess 26 connects to the fillet 19 between the piston rod 16 and baffle plate 6 and has an inner edge 27, which extends in a central portion extending between the points 28, a circular arc around the axis 21 of the piston rod 16, while it extends from the points 28 to the outside, ie to the outer edge of the baffle plate 6 in approximately rectilinear or only slightly curved. These sections are marked with 29.
  • Fig. 6 shows that the spray fan 9 on the side on which the underside of the baffle plate 6 is provided with the recess 26 is directed much steeper against the surface 3a with a leg 9a, which leads to a total of an asymmetric backward-directed spray fan. 9 arises and that thereby the entire sprayed area is smaller than if the Sprühfowner 9 as in the prior art would have the shape of a cone sheath with a circular base.
  • An application for the nozzle according to the invention is, for example, the spraying of side walls of ships with the task to cool them and then invisible to infrared detection do.
  • the new nozzle can be used at the edge of areas to be sprayed, in which a surface cooling is no longer desirable or necessary.
  • the new nozzle can also be used for surface spraying when larger structures for supporting and feeding the nozzle are not desired outside the surface.

Landscapes

  • Nozzles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (8)

  1. Buse de pulvérisation d'un fluide sur une surface, comprenant un carter (2a) qui présente un conduit d'amenée (14) avec un orifice de sortie - situé dans la surface sur laquelle pulvériser - du liquide à pulvériser, avec une tige (16) de piston à plaque d'impact (6) guidée de façon centrale dans le conduit d'amenée (14), laquelle plaque obture l'orifice de sortie dans une position finale et, dans une deuxième position finale, se situe à une distance telle devant l'orifice de sortie que le liquide sortant est dévié sous forme de jet (9) annulaire dirigé vers la surface (3a), caractérisée en ce que le côté inférieur (20) de la plaque d'impact (6) tourné vers l'orifice de sortie est doté d'un évidement (26) présentant un tracé parallèle au bord extérieur du plateau d'impact (6), évidement qui s'étend sur approximativement la moitié de la circonférence du plateau d'impact, cet évidement (26) ayant la forme d'une rigole et se terminant contre un arrondi (19) situé entre la tige (16) de piston et le plateau d'impact (6).
  2. Buse selon la revendication 1, caractérisée en ce qu'un dispositif de sécurité anti-torsion a été affecté à la tige (16) de piston.
  3. Buse selon la revendication 1, caractérisée en ce que le bord intérieur (27) de l'évidement (26) présente, sur un segment médian, un tracé en arc de cercle autour de l'axe (21) de la tige de piston.
  4. Buse selon la revendication 3, caractérisée en ce que le segment médian s'étend sur un angle (α) d'environ 90°.
  5. Buse selon la revendication 4, caractérisée en ce que les zones extérieures (29) du bord (27), limitrophes du segment médian, présentent des tracés presque en forme de droites.
  6. Buse selon la revendication 2, caractérisée en ce que le dispositif de sécurité anti-torsion se compose d'une came (4b) guidée dans une gorge (14b), parallèle en axe, d'un segment (14a) du conduit d'écoulement (14).
  7. Buse selon la revendication 6, caractérisée en ce que la came (4b) est une partie d'un piston (4) composant la tige (16) de piston, lequel piston est relié, sécurisé en torsion, avec la tige (16) de piston.
  8. Buse selon la revendication 7, caractérisée en ce que le piston (4) est retenu, sécurisé en torsion par une saillie (4c), contre une zone aplatie (25) de la tige (16) de piston.
EP03017433A 2003-08-01 2003-08-01 Buse de pulvérisation d'un fluide sur une suface Expired - Lifetime EP1502653B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
AT03017433T ATE408460T1 (de) 2003-08-01 2003-08-01 Düse zum besprühen einer fläche
ES03017433T ES2312698T3 (es) 2003-08-01 2003-08-01 Tobera para la pulverizacion de una superficie.
EP03017433A EP1502653B1 (fr) 2003-08-01 2003-08-01 Buse de pulvérisation d'un fluide sur une suface
DE50310519T DE50310519D1 (de) 2003-08-01 2003-08-01 Düse zum Besprühen einer Fläche
PT03017433T PT1502653E (pt) 2003-08-01 2003-08-01 Bocal para pulverização de uma superfície
US10/900,972 US20050040261A1 (en) 2003-08-01 2004-07-28 Nozzle for spraying of a surface
KR1020040059551A KR20050016030A (ko) 2003-08-01 2004-07-29 평면에 분사하는 노즐
PL04369359A PL369359A1 (en) 2003-08-01 2004-07-30 Nozzle for spraying surfaces
JP2004223955A JP2005052828A (ja) 2003-08-01 2004-07-30 面にスプレイするためのノズル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03017433A EP1502653B1 (fr) 2003-08-01 2003-08-01 Buse de pulvérisation d'un fluide sur une suface

Publications (2)

Publication Number Publication Date
EP1502653A1 EP1502653A1 (fr) 2005-02-02
EP1502653B1 true EP1502653B1 (fr) 2008-09-17

Family

ID=33522332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03017433A Expired - Lifetime EP1502653B1 (fr) 2003-08-01 2003-08-01 Buse de pulvérisation d'un fluide sur une suface

Country Status (9)

Country Link
US (1) US20050040261A1 (fr)
EP (1) EP1502653B1 (fr)
JP (1) JP2005052828A (fr)
KR (1) KR20050016030A (fr)
AT (1) ATE408460T1 (fr)
DE (1) DE50310519D1 (fr)
ES (1) ES2312698T3 (fr)
PL (1) PL369359A1 (fr)
PT (1) PT1502653E (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100704367B1 (ko) 2005-06-22 2007-04-06 오선록 분사식 액체 공급장치 및 그 액체 공급장치를 이용한분사방법
WO2012141410A2 (fr) * 2011-04-14 2012-10-18 엘지전자 주식회사 Procédé de lavage
JP6158737B2 (ja) * 2014-03-31 2017-07-05 芝浦メカトロニクス株式会社 基板処理装置及び基板処理方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619378A (en) * 1947-09-04 1952-11-25 Watkins Samuel Scott Spray nozzle
US2612408A (en) * 1948-08-12 1952-09-30 Kask Technical Corp Atomizing nozzle
US2981481A (en) * 1957-05-17 1961-04-25 Rain Jet Corp Sprinkler
US3034728A (en) * 1960-06-20 1962-05-15 Rain Jet Corp Lawn sprinklers
DE3209139A1 (de) * 1982-03-12 1983-09-15 Siemens AG, 1000 Berlin und 8000 München Muendungsventil fuer einen ultraschall-fluessigkeitszerstaeuber
US4832264A (en) * 1983-06-24 1989-05-23 Peretz Rosenberg Rotary sprinklers
US4986474A (en) * 1989-08-07 1991-01-22 Nelson Irrigation Corporation Stream propelled rotary pop-up sprinkler
US5564825A (en) * 1992-12-02 1996-10-15 Shrader Canada Limited Integral inlet valve and mixer to promote mixing of fluids in a tank
JP3937690B2 (ja) * 2000-05-24 2007-06-27 株式会社豊田自動織機 圧縮機
EP1170059B1 (fr) * 2000-07-07 2006-09-06 Lechler GmbH Buse de pulvérisation d'un fluide sur une suface
EP1170058A3 (fr) * 2000-07-07 2003-09-17 Lechler GmbH & Co.KG Buse de pulvérisation à jet en éventail
DE10057429A1 (de) 2000-07-07 2002-01-24 Lechler Gmbh & Co Kg Düse zum Besprühen einer Fläche

Also Published As

Publication number Publication date
EP1502653A1 (fr) 2005-02-02
ATE408460T1 (de) 2008-10-15
PT1502653E (pt) 2008-10-21
ES2312698T3 (es) 2009-03-01
JP2005052828A (ja) 2005-03-03
PL369359A1 (en) 2005-02-07
US20050040261A1 (en) 2005-02-24
DE50310519D1 (de) 2008-10-30
KR20050016030A (ko) 2005-02-21

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