EP2143499B1 - Élément a buse rotative - Google Patents

Élément a buse rotative Download PDF

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Publication number
EP2143499B1
EP2143499B1 EP20090164937 EP09164937A EP2143499B1 EP 2143499 B1 EP2143499 B1 EP 2143499B1 EP 20090164937 EP20090164937 EP 20090164937 EP 09164937 A EP09164937 A EP 09164937A EP 2143499 B1 EP2143499 B1 EP 2143499B1
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EP
European Patent Office
Prior art keywords
liquid
gas
element according
rotary nozzle
outlet nozzles
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
EP20090164937
Other languages
German (de)
English (en)
Other versions
EP2143499A1 (fr
Inventor
Alain Mariller
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.)
Phoenix Firefighting Technologies SA
Original Assignee
Phoenix Firefighting Technologies SA
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Filing date
Publication date
Application filed by Phoenix Firefighting Technologies SA filed Critical Phoenix Firefighting Technologies SA
Priority to EP20090164937 priority Critical patent/EP2143499B1/fr
Publication of EP2143499A1 publication Critical patent/EP2143499A1/fr
Application granted granted Critical
Publication of EP2143499B1 publication Critical patent/EP2143499B1/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
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/06—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet by jet reaction, i.e. creating a spinning torque due to a tangential component of the jet
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10—Releasing means, e.g. electrically released
    • A62C37/11—Releasing means, e.g. electrically released heat-sensitive
    • A62C37/12—Releasing means, e.g. electrically released heat-sensitive with fusible links
    • 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
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • 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
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0884—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being aligned
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C99/00—Subject matter not provided for in other groups of this subclass
    • A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
    • A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor

Definitions

  • the present invention relates to a rotating nozzle element for projecting a liquid such as water, in the form of a cloud.
  • a liquid such as water
  • a cloud such an element can be used on a sprinkler fire extinguishing system, to create a cloud of cold water.
  • the rotary nozzle element is not limited to the field of fire extinguishing systems and can be used in any other technical field in which the generation of a cloud of liquid, such as water, is sought.
  • the document FR 2 583 507 discloses a rotational base member according to the preamble of claim 1.
  • An object of the invention is to provide a simple and reliable system that can generate such clouds. This object is achieved by an element according to claim 1.
  • the element according to the invention comprises a main body on which is mounted a rotating nozzle which rotates in order to create the cloud of the liquid dispensed, such as water, as will be described below with reference to FIGS. attached.
  • FIG. 1 and 2 we see a first sectional view ( Figures 1 and 2 ) and in perspective ( figure 1 ) of the element 1. It comprises a body 2, for example of cylindrical shape and forming a cage, in which a nozzle 3 is mounted free to rotate by means of bearings 4, 5.
  • pressurized air enters the body 2 through the inlets 6 and passes through the upper part of the fire.
  • the nozzle 3 in a hole 7 by pressing a locking piston 8.
  • the piston is held in the locking position by a capsule 9.
  • the ducts 10 also comprise at least one, but preferably several, lateral outlet (s) 11 for the air which make it possible to create the rotation relative to the body, in the manner of a helix.
  • the pressurized water is evacuated by the small nozzles 16 ( figure 4 ) which open above the openings 11 which in turn allow the air to escape under pressure.
  • an expander coupled to the device is used.
  • the rotating nozzle creates a cloud of water by rotation generated by the air and spraying water leaving the nozzles 16.
  • the rotary nozzle may comprise more than two branches as shown in FIGS. Figures 1 to 4 .
  • a pressure reducer (or other equivalent system) is also used in order to maintain a constant pressure at the level of the small nozzles 16 .
  • the principle of the invention can be used in any installation, not just to fight a fire.
  • the capsule 9 may be replaced by another equivalent retaining means to hold the locking piston in position and release it when desired, thereby triggering the mechanism and the rotation of the piston. nozzle.
  • the system according to the invention can be manufactured in any material which is adapted to the intended use: metal, synthetic material, etc.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Nozzles (AREA)

Description

    Domaine de l'invention
  • La présente invention concerne un élément à buse rotative permettant de projeter un liquide tel que de l'eau, sous forme de nuage. Typiquement, un tel élément peut être utilisé sur un système d'extinction d'incendies de type Sprinkler, pour créer un nuage d'eau froide. Bien entendu, l'élément à buse rotative n'est pas limité au domaine des installations d'extinction d'incendie et peut être employé dans tout autre domaine technique dans lequel la génération d'un nuage de liquide, comme de l'eau, est recherchée.
    Le document FR 2 583 507 décrit un élément à base rotative selon le préambule de la revendication 1.
    • Principe de l'invention
  • Un but de l'invention est de proposer un système simple et fiable qui permette de générer de tels nuages.
    Ce but est atteint par un élément selon la revendication 1.
  • L'élément selon l'invention comprend un corps principal sur lequel est monté une buse rotative qui entre en rotation afin de créer le nuage du liquide distribué, comme par exemple de l'eau, comme il sera décrit ci-dessous en référence aux figures annexées.
    • Description détaillée de l'invention
  • L'invention sera mieux comprise par la description de modes d'exécution et des figures qui l'accompagnent dans lesquelles
    • La figure 1 illustre une vue en coupe et en perspective d'un élément de l'invention selon un premier mode d'exécution;
    • La figure 2 illustre un vue en coupe de l'élément;
    • La figure 3 illustre une vue d'ensemble de l'élément;
    • La figure 4 illustre une vue en coupe des conduits de la buse tournante;
    • La figure 5 illustre une vue en perspective d'un élément selon un deuxième mode d'exécution; et
    • La figure 6 illustre une autre vue en perspective de l'élément selon le deuxième mode d'exécution.
  • Dans les figures 1 et 2, on voit une première vue en coupe (figures 1 et 2) et en perspective (figure 1) de l'élément 1. Il comprend un corps 2, par exemple de forme cylindrique et formant une cage, dans lequel une buse 3 est montée libre en rotation par l'intermédiaire de roulements 4, 5.
  • Tant qu'il n'y a pas de feu détecté (dans le cas où le système est utilisé dans une installation anti-incendie), de l'air sous pression arrive dans le corps 2 par les entrées 6 et traverse la partie supérieure de la buse 3 dans un trou 7 en appuyant sur un piston de blocage 8. Le piston est maintenu en position de blocage par une capsule 9.
  • Dès qu'un feu est détecté, la capsule 9 saute et libère la course du piston 8 qui descend en raison de la pression de l'air. Cet air sous pression peut ainsi pénétrer dans les conduits 10 de la buse tournante 3 (voir aussi les figures 3 et 4). Les conduits 10 comprennent également au moins une, mais de préférence plusieurs, sortie(s) latérale(s) 11 pour l'air qui permettent de créer la rotation par rapport au corps, à la manière d'une hélice.
  • En parallèle, la chute de pression due à l'évacuation de l'air par les sorties 11 va ouvrir une vanne et libérer l'arrivée d'eau qui va pénétrer dans le corps 2 par les entrées 12 (voir figure 3). Ces entrées communiquent avec une chambre 13 qui permet à l'eau ensuite d'entrer dans la buse tournante par les ouvertures 14 et dans les canaux 15 de la busc rotative 3 (voir figures 1 et 4).
  • Les canaux étant bouchés à leur extrémité éloignée du corps, l'eau sous pression est évacuée par les petites buses 16 (figure 4) qui débouchent au-dessus des ouvertures 11 qui quant à elles laissent s'échapper l'air sous pression.
  • De préférence, afin de maintenir une pression constante dans la buse et un débit identique au niveau des petites buses 16, on utilise un détendeur couplé au dispositif. Ainsi, la buse rotative crée un nuage d'eau par rotation générée par l'air et pulvérisation de l'eau sortant des buses 16.
  • Bien entendu, la buse rotative peut comprendre plus de deux branches comme représenté dans les figures 1 à 4.
  • Dans les figures 5 et 6, on a représenté une variante qui utilise le principe de l'invention, les éléments identiques au premier mode étant identifiés par les mêmes références numériques que dans le premier mode mais avec une pièce rotative 3' de forme cylindrique à la place des branches des figures 1 à 4. Dans cette exécution, les buses 17 sont orientées latéralement pour créer la rotation de la pièce 3'.
  • Comme indiqué ci-dessus, lors de l'utilisation du dispositif selon l'invention dans un réseau fragmenté avec plusieurs buses rotatives réparties, on emploie également un détendeur (ou autre système équivalent) afin de maintenir une pression constante au niveau des petites buses 16.
  • Les modes d'exécution donnés le sont à titre d'exemples non-limitatifs et des variations sont possibles en utilisant des moyens équivalents. On peut notamment utiliser d'autres moyens de détection que la capsule 9 pour bloquer et libérer le piston 8.
  • Le principe de l'invention peut être utilisé dans n'importe quelle installation, et pas seulement pour combattre un incendie. Dans cette application, on peut utiliser plusieurs buses selon l'invention réparties géographiquement dans des lieux à protéger. On peut également l'utiliser avec d'autres liquides que de l'eau et aussi un autre gaz que de l'air en fonction de l'application souhaitée.
  • Dans le cadre d'une autre application, on peut remplacer la capsule 9 par un autre moyen de retenue équivalent pour maintenir le piston de blocage en position, et le libérer lorsque cela est souhaité, déclenchant de cette façon le mécanisme et la rotation de la buse.
  • Le système selon l'invention peut être fabriqué dans n'importe quelle matière qui soit adaptée à l'usage prévu: métal, matière synthétique etc.

Claims (10)

  1. Elément (1) à buse rotative (3) permettant de créer un nuage de liquide, par exemple d'eau, comprenant au moins un corps (2) alimenté en gaz et en liquide, une buse rotative (3) comprenant au moins deux canaux (10.15) alimentés respectivement par ledit gaz et ledit liquide et ayant des buses (11,16) de sortie dudit gaz et dudit liquide, l'éjection dudit gaz par les buses de sortie de gaz (11) permettant d'une part d'entraîner ladite buse rotative (3) en rotation et d'autre part de pulvériser le liquide sortant des buses de sortie de liquide (16), ledit élément étant caractérisé en ce qu'il comprend en outre un moyen de blocage (8) empêchant le passage dudit gaz et dudit liquide et étant actionné par ledit gaz lorsqu'il est libéré d'un élément de blocage (9).
  2. Elément selon la revendication 1, dans lequel il comprend au moins une entrée de gaz (6) communicant avec un canal (7), ledit canal (7) communicant avec au moins un conduit (10) dans la buse rotative (3), ledit conduit (10) permettant l'évacuation du gaz par lesdites buses de sortie de gaz (11),
    une entrée de liquide (12) communicant avec une chambre (13), ladite chambre communicant avec un conduit à liquide (15) dans la buse rotative (3), ledit conduit à liquide (15) permettant l'évacuation du liquide par lesdites buses de sortie de liquide (16) et sa pulvérisation par le gaz issu des buses de sortie de gaz (11).
  3. Elément selon la revendication précédente, dans lequel le canal (7) est fermé par ledit moyen de blocage ayant la forme d'un piston (8).
  4. Elément selon la revendication précédente dans lequel l'élément de blocage est une capsule (9) qui est sensible à la chaleur.
  5. Elément selon l'une des revendications précédentes, dans lequel la buse (3) est montée sur des roulements (4,5) dans le corps (2).
  6. Elément selon l'une des revendications 2 à 5, dans lequel les conduits (10,15) s'étendent dans des branches de la buse rotative (3).
  7. Elément selon l'une des revendications 2 à 5, dans lequel les conduits sont intégrés dans la buse rotative (3).
  8. Installation comprenant au moins un élément selon l'une des revendications précédentes.
  9. Installation selon la revendication précédente, ladite installation étant une installation d'extinction d'incendies.
  10. Installation selon la revendication 8 ou 9, dans lequel le gaz est de l'air et le liquide est de l'eau.
EP20090164937 2008-07-09 2009-07-08 Élément a buse rotative Active EP2143499B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20090164937 EP2143499B1 (fr) 2008-07-09 2009-07-08 Élément a buse rotative

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08159970 2008-07-09
EP20090164937 EP2143499B1 (fr) 2008-07-09 2009-07-08 Élément a buse rotative

Publications (2)

Publication Number Publication Date
EP2143499A1 EP2143499A1 (fr) 2010-01-13
EP2143499B1 true EP2143499B1 (fr) 2012-06-27

Family

ID=41119987

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090164937 Active EP2143499B1 (fr) 2008-07-09 2009-07-08 Élément a buse rotative

Country Status (2)

Country Link
EP (1) EP2143499B1 (fr)
ES (1) ES2387716T3 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1577225A (en) * 1925-01-21 1926-03-16 Harry Z Granger Rotary sprinkler
US2177851A (en) * 1937-07-12 1939-10-31 Chrysler Corp Coating material spray device
US3004719A (en) * 1957-09-26 1961-10-17 Phillips Petroleum Co Apparatus for spraying viscous liquids
US3460988A (en) * 1966-03-21 1969-08-12 Pyrate Sales Inc Process and apparatus for spray treating the boundary surfaces of enclosures,such as tanks and the like
EP0135334A1 (fr) * 1983-08-13 1985-03-27 Arthur Morris Jet d'eau
FR2583507B1 (fr) * 1985-06-13 1987-09-11 Giesler Applic Procedes Humidificateur d'atmosphere, en particulier pour locaux techniques
FI20011787A (fi) * 2001-09-10 2003-03-11 Marioff Corp Oy Menetelmä suihkutuspäässä ja suihkutuspää

Also Published As

Publication number Publication date
EP2143499A1 (fr) 2010-01-13
ES2387716T3 (es) 2012-09-28

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