EP2143499B1 - Rotating nozzle assembly - Google Patents

Rotating nozzle assembly 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
Authority
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)
French (fr)
Other versions
EP2143499A1 (en
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Phoenix Firefighting Technologies SA filed Critical Phoenix Firefighting Technologies SA
Priority to EP20090164937 priority Critical patent/EP2143499B1/en
Publication of EP2143499A1 publication Critical patent/EP2143499A1/en
Application granted granted Critical
Publication of EP2143499B1 publication Critical patent/EP2143499B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • 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'inventionField of the 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.The present invention relates to a rotating nozzle element for projecting a liquid such as water, in the form of a cloud. Typically, such an element can be used on a sprinkler fire extinguishing system, to create a cloud of cold water. Of course, 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.

Principe de l'inventionPrinciple of the 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.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.

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.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.

Description détaillée de l'inventionDetailed description of the 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.
The invention will be better understood by the description of embodiments and accompanying figures in which
  • The figure 1 illustrates a sectional and perspective view of an element of the invention according to a first embodiment;
  • The figure 2 illustrates a sectional view of the element;
  • The figure 3 illustrates an overview of the element;
  • The figure 4 illustrates a sectional view of the ducts of the rotating nozzle;
  • The figure 5 illustrates a perspective view of an element according to a second embodiment; and
  • The figure 6 illustrates another perspective view of the element according to the second embodiment.

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.In the Figures 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.

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.As long as there is no fire detected (in the case where the system is used in a fire-fighting installation), 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.

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.As soon as a fire is detected, the capsule 9 jumps and releases the stroke of the piston 8 which descends due to the pressure of the air. This pressurized air can thus penetrate into the ducts 10 of the rotating nozzle 3 (see also FIGS. Figures 3 and 4 ). 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.

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).In parallel, the pressure drop due to the evacuation of the air through the outlets 11 will open a valve and release the water inlet that will enter the body 2 through the inputs 12 (see figure 3 ). These inputs communicate with a chamber 13 which allows the water to enter the rotating nozzle through the openings 14 and into the channels 15 of the rotating busc 3 (see FIG. figures 1 and 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.The channels being clogged at their end remote from the body, 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.

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.Preferably, in order to maintain a constant pressure in the nozzle and an identical flow rate at the level of the small nozzles 16, an expander coupled to the device is used. Thus, the rotating nozzle creates a cloud of water by rotation generated by the air and spraying water leaving the nozzles 16.

Bien entendu, la buse rotative peut comprendre plus de deux branches comme représenté dans les figures 1 à 4.Of course, the rotary nozzle may comprise more than two branches as shown in FIGS. Figures 1 to 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'.In the Figures 5 and 6 there is shown a variant that uses the principle of the invention, the elements identical to the first mode being identified by the same reference numerals as in the first mode but with a rotating piece 3 'of cylindrical shape instead of the branches of the Figures 1 to 4 . In this embodiment, the nozzles 17 are oriented laterally to create the rotation of the piece 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.As indicated above, when using the device according to the invention in a fragmented network with several distributed rotating nozzles, 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 .

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.The given embodiments are as non-limiting examples and variations are possible using equivalent means. It is possible in particular to use other detection means than the capsule 9 to block and release the 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.The principle of the invention can be used in any installation, not just to fight a fire. In this application, one can use several nozzles according to the invention geographically distributed in places to protect. It can also be used with other liquids than water and also gas other than air depending on the desired application.

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.As part of another application, 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.

Le système selon l'invention peut être fabriqué dans n'importe quelle matière qui soit adaptée à l'usage prévu: métal, matière synthétique etc.The system according to the invention can be manufactured in any material which is adapted to the intended use: metal, synthetic material, etc.

Claims (10)

  1. Element (1) having a rotary nozzle (3) for creating a cloud of liquid, for example water, comprising at least one body (2) fed with gas and with liquid, a rotary nozzle (3) comprising at least two passages (10, 15) fed with said gas and said liquid, respectively, and having outlet nozzles (11, 16) for said gas and said liquid, ejection of said gas via the gas outlet nozzles (11) enabling on the one hand driving of said rotary nozzle (3) in rotation and on the other hand spraying of the liquid leaving the liquid outlet nozzles (16), said element being characterised in that it further comprises blocking means (8) preventing said gas and said liquid from passing and being actuated by said gas when it is released from a blocking element (9).
  2. Element according to claim 1 comprising at least one gas inlet (6) communicating with a passage (7), said passage (7) communicating with at least one pipe (10) in the rotary nozzle (3), said pipe (10) enabling evacuation of the gas via said gas outlet nozzles (11), a liquid inlet (12) communicating with a chamber (13), said chamber communicating with a liquid pipe (15) in the rotary nozzle (3), said liquid pipe (15) enabling evacuation of the liquid via said liquid outlet nozzles (16) and spraying thereof by the gas coming from the gas outlet nozzles (11).
  3. Element according to the preceding claim wherein the passage (7) is closed by said blocking means in the form of a piston (8).
  4. Element according to the preceding claim wherein the blocking element is a heat-sensitive capsule (9).
  5. Element according to any one of the preceding claims wherein the nozzle (3) is mounted on bearings (4, 5) in the body (2).
  6. Element according to any one of claims 2 to 5 wherein the pipes (10, 15) extend in branches of the rotary nozzle (3).
  7. Element according to any one of claims 2 to 5 wherein the pipes are integrated into the rotary nozzle (3).
  8. Installation comprising at least one element according to any one of the preceding claims.
  9. Installation according to the preceding claim, said installation constituting a fire extinguishing system.
  10. Installation according to claim 8 or 9 wherein the gas is air and the liquid is water.
EP20090164937 2008-07-09 2009-07-08 Rotating nozzle assembly Active EP2143499B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20090164937 EP2143499B1 (en) 2008-07-09 2009-07-08 Rotating nozzle assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08159970 2008-07-09
EP20090164937 EP2143499B1 (en) 2008-07-09 2009-07-08 Rotating nozzle assembly

Publications (2)

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

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090164937 Active EP2143499B1 (en) 2008-07-09 2009-07-08 Rotating nozzle assembly

Country Status (2)

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EP (1) EP2143499B1 (en)
ES (1) ES2387716T3 (en)

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 (en) * 1983-08-13 1985-03-27 Arthur Morris Fountain
FR2583507B1 (en) * 1985-06-13 1987-09-11 Giesler Applic Procedes ATMOSPHERE HUMIDIFIER, PARTICULARLY FOR TECHNICAL PREMISES
FI20011787A (en) * 2001-09-10 2003-03-11 Marioff Corp Oy Method at the spray head and at the spray head

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

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