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EP0701842B1 - Buse de pulvérisation pour l'atomisation de l'eau pour protection contre l'incendie - Google Patents

Buse de pulvérisation pour l'atomisation de l'eau pour protection contre l'incendie Download PDF

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Publication number
EP0701842B1
EP0701842B1 EP95114287A EP95114287A EP0701842B1 EP 0701842 B1 EP0701842 B1 EP 0701842B1 EP 95114287 A EP95114287 A EP 95114287A EP 95114287 A EP95114287 A EP 95114287A EP 0701842 B1 EP0701842 B1 EP 0701842B1
Authority
EP
European Patent Office
Prior art keywords
spray nozzle
nozzle according
housing
pressing body
side portions
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
EP95114287A
Other languages
German (de)
English (en)
Other versions
EP0701842A2 (fr
EP0701842A3 (fr
EP0701842B2 (fr
Inventor
Rolf Hoffmann
Jörg Mücke
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.)
Minimax GmbH and Co KG
Original Assignee
Minimax GmbH and Co KG
Preussag AG Minimax
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
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Application filed by Minimax GmbH and Co KG, Preussag AG Minimax filed Critical Minimax GmbH and Co KG
Publication of EP0701842A2 publication Critical patent/EP0701842A2/fr
Publication of EP0701842A3 publication Critical patent/EP0701842A3/fr
Application granted granted Critical
Publication of EP0701842B1 publication Critical patent/EP0701842B1/fr
Publication of EP0701842B2 publication Critical patent/EP0701842B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to a spray nozzle in the preamble of claim 1 type for nebulizing water in fire protection systems.
  • This known spray nozzle is used in such a way that multiple spray nozzles over piping with a common Shut-off valve are connected.
  • the shut-off valve is via a pipeline that runs down to the shut-off valve Pressurized water is filled with a water supply connected.
  • the nozzle openings of the spray nozzles are unlocked.
  • To a fire Determining an increase in the ambient temperature is one Hose line provided that is made of a thermoplastic Material exists and with a control pressure Water is filled.
  • the control pressure is from a pressure switch or the like monitored by the shut-off valve is controllable.
  • a disadvantage of the known spray nozzle is that the hose line, the control pressure in the hose line monitoring pressure switch and that of the pressure switch controlled shut-off valve are complex and therefore expensive.
  • the hose line must pass through all fire risk Areas are relocated so that to monitor large areas large amounts of hose are required. This is expensive and complex when laying the hose line. It In addition, there are temperature fluctuations in the long hose line can lead to a drop in pressure. Falls short the control pressure in the hose line a predetermined Value, the shut-off valve opens without a fighting fire. Even with leaks that for water to escape from the hose line and lead to a drop in the control pressure in the hose line, there is a risk of false triggering. Such false trips result in unnecessary water damage.
  • the nozzle opening of the spray nozzle is always open, so that it can easily get dirty. This leads to a Impairment of the function of the spray nozzle.
  • Sprinkler nozzles are known in which there is a distance in front of one formed in a housing of the sprinkler nozzle Outlet opening is arranged a baffle that over Retaining bracket connected to the sprinkler nozzle housing is. Arranged centrally in the impact area Adjustment screw is based essentially cylindrical bursting body starting with its the End facing the outlet opening a sealing body tightly closes the outlet opening, in the sealing position holds.
  • the supply lines are up to the sprinkler nozzles filled with water.
  • the bursting body bursts Reaching a trigger temperature so that the Sealing body is pushed outwards and a bundled water jet from the outlet opening emerges and on the arranged in the beam area Baffle plate hits the water jet from the side distributed. This creates water drops that are a size have that is not optimal for fire fighting and often leads to unnecessary water damage.
  • GB-A-2 076 652 describes a system for triggering various nozzles of sprinkler systems known, at the two pear-shaped bodies with pointed ends and one separating disc are arranged in a housing, with the nozzle on the upper pear-shaped body closing closure piece is arranged, which acts against the nozzle body and with a seal Seals the channel to the nozzle.
  • the lower one Bulb body destroyed by mechanical action, see above that by the pressure of the extinguishing agent the closure is pushed out.
  • the disadvantage of this solution is that the spring arranged in the lower part of the device Closure directly against the sprinkler housing presses so that it is destroyed at high contact pressure the pear-shaped body can come.
  • the invention has for its object a Specify spray nozzle of the type in question, which the does not have the disadvantages mentioned, the simple structure and is therefore inexpensive to manufacture, by for those who set fire to it Disc are arranged in a housing with the nozzle on the upper, pear-shaped body closing closure piece is arranged, which acts against the nozzle body and with a seal Seals the channel to the nozzle.
  • the lower one Bulb body destroyed by mechanical action, see above that by the pressure of the extinguishing agent the closure is pushed out.
  • the disadvantage of this solution is that the spring arranged in the lower part of the device Presses the closure directly against the sprinkler housing, so that at high contact pressure to destroy the pear-shaped body can come.
  • the invention has for its object a Specify spray nozzle of the type in question, which the does not have the disadvantages mentioned, the simple structure and is therefore inexpensive to manufacture, by for fire fighting not optimal drop sizes and False triggers caused unnecessary water damage are avoided and which after a fire in simple and can be restored in a time-saving manner.
  • the basic idea is basically of go out a spray nozzle and thus the in terms of Fight fire with a cheap spray Exploit properties of the spray nozzle.
  • each spray nozzle has a sealing body has, which abuts the housing from below and with its the nozzle opening from below.
  • the fact that the sealing body from below on the housing is applied and with its nozzle opening from below facing side with a lying in an annular groove Seal around a centering pin the nozzle opening of tightly sealed at the bottom is a contamination of the No need to open the nozzle because the sealing body from is on the outside of the housing, is damage to the Avoid nozzle opening.
  • the Support the pressure body on a spring instead of a set screw, the Support the pressure body on a spring, too
  • it must be dimensioned so that the nozzle under all occurring pressure conditions in the feed line does not open, but only in the event of a fire.
  • the feather has that Advantage of a simple design. Besides, it can Compensate manufacturing tolerances.
  • the pressure body on his the Spherical or conical end facing away from the nozzle opening designed to rest on a preferably spherical Forming the set screw.
  • the pressure body is centered when assembling the Spray nozzle on the spherical recess of the set screw. The assembly is thus simplified.
  • the shape and size of the pressure body are wide Limits selectable.
  • the pressure body is expedient however, essentially cylindrical.
  • the pressure body is expediently by a hollow body made of glass or the like formed, at least partially with one under Exposure to heat greatly expanding or evaporating Liquid, preferably Alcohol, is filled.
  • Liquid preferably Alcohol
  • the for the manufacture of the pressure body required materials are inexpensive. It any liquids can be used. By selecting Liquids with suitable expansion properties the temperature at which the pressure element yields in set wide limits.
  • the bracket can be designed as a narrow part be so that by the bracket only a small one The extinguishing effect of the spray nozzle is not significantly impairing Spray shadow is caused.
  • the bracket can be made in one piece the housing.
  • This embodiment is special simple and therefore inexpensive to manufacture.
  • bracket provides that this is formed by flat struts whose radial cross section is along the radial direction of propagation of the spray runs. In this embodiment is a remaining one caused by the bracket Spray shadow further reduced.
  • Another embodiment provides that the Pressure body on a detachably connected to the housing Supporting part supports.
  • the support part can, for example, cling be held on the housing.
  • the sealing body can expediently on its Side facing away from the nozzle opening away from the nozzle opening have an annular groove in which a sealing ring made of elastomeric Material is arranged.
  • This embodiment is simple and therefore inexpensive to manufacture.
  • the pressure body has expediently on its side facing away from the nozzle opening Side a centering pin coaxial to the ring groove, the protrudes into the nozzle opening. Centered during assembly the sealing body in the nozzle opening, so that a lateral Slipping of the sealing body from the nozzle opening avoided is. The assembly is thus further simplified.
  • the pressure body on a support part detachably connected to the housing supports that the support part as a fork with two legs is formed, which are movable in the expansion direction, that the ends of the legs in a rest position radial projections reach behind the housing so that the spring means are provided, the legs in the expansion direction preload and that the legs have projections, which engage behind the pressure body, such that the legs are secured against spreading in the rest position.
  • the spread in the direction of expansion prestressed leg of the support part when yielding of the pressure body so that the ends of the legs of the radial projections on the housing and that Support part detaches from the housing so that the area in front of the Spray nozzle free and thus any spray shadow avoided is.
  • At least one of the legs of the support part is designed as a spring is and so forms the spring means.
  • the choice of shape, size and material of the legs is the Prestressing of the legs in the rest position within wide limits selectable.
  • a further development of this embodiment provides that the tabs in the rest position in the direction of the nozzle axis are arranged at a distance from each other. That way prevents that remaining when the pressure body yields Parts, for example remaining burst pieces a bursting body, in the recesses of the tabs fix and a movement of the legs and thus a spread prevent the support part. That way it is Reliability of the spray nozzle further improved.
  • a useful development of the aforementioned embodiment provides that at least one of the tabs has one the other tab facing nose to secure a distance between the tabs.
  • the recess can be closed or open on the side his.
  • a closed recess can, for example, by a hole may be formed in the tab. With one on the side open recess, the tab forms a hook that the Pressure body engages behind.
  • Recesses provides that the recesses on her at System on the pressure body facing away from the pressure body Side are extended, in particular form an elongated hole. Due to the elongated holes, the risk is further reduced that remaining parts of the Pressure body settle in the recesses and one Prevent the tabs from moving away from each other.
  • the protrusions on the housing can be through a collar be educated. Reach behind the legs of the support part the collar, so that the support member securely on the Housing is held.
  • a particularly advantageous development of the embodiment with the collar provides that the collar on his Has circumference two radial recesses that are diametrical opposite and their diametrical distance from the diametrical Distance of the free ends of the legs in the rest position corresponds.
  • the support part when assembling the spray nozzle first squeezed the legs and biased and against by inserting the pressure body Spreading secured. Then the support part is in one Rotational position in which the ends of the legs are in the area of radial recesses of the collar are in the direction of Axle of nozzle placed axially on the housing. Then it will Support part rotated 90 ° around the nozzle axis so that the ends the thigh reaches behind the collar.
  • the support part like a bayonet lock secured to the housing so that the assembly the spray nozzle is simple.
  • the contact surface for the Ends of the legs on the collar towards the support member is designed to expand conically. Due to the conical contact surface is releasing the ends of the legs from the collar further improved when spreading the support part.
  • the pressure body can also be reached when the Trigger temperature melting body. This is at Spray nozzles, in which the part on which the pressure body is located supports, not with the pressure body of the Housing detaches, not easily possible because of the nozzle opening escaping water cools the body so that the Melting process is interrupted and is close to the Pressure element located in the nozzle opening the spread of the Spray mist obstructed.
  • the spray nozzle shown in Fig. 1 has a housing 1 with an external thread 2 for screwing the nozzle into a Supply line, not shown.
  • the housing 1 has a cylindrical inner wall 3, which in a conical Inner wall 4 merges and opens into a nozzle opening 5.
  • the end 6 of the cylindrical facing away from the nozzle opening 5 Inner wall 3 is provided with an internal thread 7 into which a nozzle part 8 is screwed in with an external thread 9.
  • the nozzle part 8 faces away from the nozzle opening 5
  • End 10 has a feed opening 11 through which water flows out the feed line of the spray nozzle is supplied.
  • the nozzle part 8 has narrow, helical channels on its outside 12 on, and between the nozzle part 8 and the cylindrical Inner wall 3 or the conical inner wall 4 is one Swirling chamber 13 formed which is connected to the nozzle opening 5 connected is.
  • annular region 14 of the housing 1 is a bracket 15, the extends from the housing 1 away from the nozzle opening 5, with an end formed at its end facing the housing 1 ring-shaped area 16 and by screws, of which only one screw 17 is shown as an example, releasably connected to the housing 1. In that shown in Fig.
  • the idle opening 5 of the spray nozzle is at rest closed by a sealing body which has a sealing sleeve 18 and one in an annular groove 19 which is on the of the nozzle opening 5 facing side of the sealing sleeve 18 is formed, arranged Has sealing ring 20 made of elastomeric material.
  • On the sealing sleeve has its side facing the nozzle opening 5 18 a centering pin 21 coaxial to the annular groove 19 which extends into the nozzle opening 5.
  • On their the The side facing away from the nozzle opening 5 has the sealing sleeve 18 a central bore 22 which extends from the nozzle opening 5 away into a substantially conical area 23 expanded in which a contact surface 24 for a pressure body 25 is formed.
  • the pressure body 25 is in this Embodiment by a hollow body filled with alcohol made of glass. That facing the nozzle opening 11
  • the end of the pressure body 25 is essentially conical and lies on the contact surface 24 of the sealing sleeve 18th on.
  • the end of the pressure element facing away from the nozzle opening 5 25 is spherical.
  • Through one into an internal thread 26 a bore 27 of the bracket 15 screwed Set screw 28, the pressure body facing 25 End 29 a spherical indentation 30 for contact with the spherical trained end of the pressure body 25, are the pressure body 23 and the sealing body in the direction of the Nozzle opening 5 can be pre-tensioned.
  • bracket 15 is narrow is so that there is a spray mist in the operating state of the spray nozzle can train himself over a wide range of Extends the circumference of the spray nozzle. It is therefore through the Strap 15 causes only a small spray shadow, which the The extinguishing effect of the spray nozzle is not significantly impaired.
  • the spray generated in this way is due its small droplet size is good for fighting one Suitable fire, only in the case of a fire Spray nozzles are put into operation in their Temperature due to fire has exceeded the specified value. Unnecessary Water damage is thus reliably avoided.
  • FIG. 4 is a second embodiment of the shown spray nozzle according to the invention as a Fork with two legs 31, 32 formed support part 33 has.
  • the free ends of the legs 31, 32 are formed as a hook 34, 35, one by one Collar 36 formed on the housing 1 form-fitting reach behind.
  • a contact surface 37 for the hooks 34, 35 on the collar 36 is conical towards the support part 33 expanding.
  • the support member 33 is spread formed, and the legs 31, 32 are each in Direction of an arrow 38, 39 which indicates the direction of expansion symbolizes, agile.
  • the legs 31, 32 consist of spring steel and thus form spring means which the legs 31, 32 in the Fig. 4 shown rest position in the spreading direction preload.
  • the legs 31, 32 each have one internally directed tab 40, 41, each one at the embodiment shown in Fig. 4 as Elongated hole 42, 43 formed recess. In the In the rest position, the tabs 40, 41 are approximately parallel arranged to each other.
  • the tab 41 has on her free end of a nose 44 facing the other tab 40 on, which ensures that the tabs 40, 41 in the direction symbolized by a dash-dotted line 45 Nozzle axis are arranged at a distance from each other.
  • the pressure body 25 In the rest position shown in Fig. 4 is supported the pressure body 25 with its nozzle opening 5 opposite end on the adjusting screw 28 of the support member 33 and presses with its nozzle opening 5 facing end over the sealing sleeve 18, the sealing washer 20 around the centering pin 21 against the housing 1, so that the nozzle opening 5 is sealed in the retired state.
  • the pressure body 25 extends through the Elongated holes 42, 43 of the tabs 40, 41, which thus the Pressure body 25 reach behind, so that the legs 31, 32 in the Rest position are secured against spreading.
  • Fig. 5 shows a view from below in Fig. 4 on the Spray nozzle. It can be seen that the collar 36 on its Scope two in this embodiment by flattening 47, 48 has formed radial recesses which are diametrical opposite and their diametrical distance to the diametrical distance between the free hooks 35, 36 Ends of the legs 31, 32 corresponds.
  • the legs 31, 32 of the support member 33 are compressed and biased in this way. Then it will be the pressure body 25 from the free ends of the legs 31, 32 ago inserted through the elongated holes 42, 43 until the Set screw 28 facing end on the set screw 28 comes to the plant.
  • the support member 33 is inserted Pressure body 25 in a rotational position in which the hooks 34, 35 are in the area of the flats 47, 48, axially placed on the housing 1. Then the support member 33 is on the housing 1 rotated about the nozzle axis 45 by about 90 °, so that the hooks 34, 35 engage behind the collar 36 of the housing 1. In this way, the support member 33 is in the manner of a Bayonet lock secured to the housing 1 so that the Assembly of the spray nozzle according to the invention during manufacture or especially when recovering from a fire is simple.
  • Fig. 6 shows a side view of the spray nozzle in the rest position.
  • the sealing sleeve becomes 18 with the sealing ring 20 under the pressure of in the spray nozzle standing water pushed outwards so that the Spray nozzle changes to the operating state.
  • the support part 33 when the pressure body 25 yields from has solved the housing 1, is the area in front of the spray nozzle free, so that the spray mist freely in front of the spray nozzle can spread. There is no spray shadow, so that the extinguishing effect of the spray nozzle according to the invention in the embodiment shown in Figures 4 to 7 is further improved.
  • Spray nozzle shown which is different from the embodiment 4 differs in that the pressure body 25 not on a set screw, but supported on a spring, which in this embodiment is formed by a leaf spring 49 which with the resilient legs 31, 32 formed from one piece is.
  • the leaf spring 49 tensions the pressure body 25 in Direction towards the nozzle opening 5; their spring force is like that dimensioned that the spray nozzle under all occurring pressure conditions does not open in the feed line, but only in case of fire.
  • the leaf spring is equal to 49 manufacturing tolerances out.
  • the pressure body 25 projects with its nozzle opening 11 facing away from one in the area of the free End 50 of the leaf spring 49 formed therein.
  • FIG. 9 shows a section IX-IX in FIG. 8. It can be seen that the leaf spring 49 with the legs 31, 32 consists of one piece and in that shown in Fig. 9 Idle state of the spray nozzle with its free end is bent in the direction of the nozzle opening 5 such that a part of the leaf spring 49 facing the nozzle opening 5, in which the recess 50 is formed, to one of the nozzle openings 5 averted part at a distance and approximately parallel to this is arranged.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Nozzles (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Claims (26)

  1. Pulvérisateur pour l'atomisation d'eau dans des installations de protection contre les incendies, avec un carter (1), avec une chambre de tourbillonnement (13) disposée dans le carter (1), et avec une ouverture de buse (5) reliée à cette dernière, avec un corps d'étanchéité (18) s'appliquant sur le carter (1) et fermant hermétiquement l'ouverture de buse (5), et avec un corps de pression (25) cédant sous l'effet d'une température de déclenchement, pressant le corps d'étanchéité (18) contre le carter (1) et s'appuyant, par son extrémité opposée au corps d'étanchéité (18), sur une pièce (29) assemblée avec le carter, caractérisé en ce que le corps d'étanchéité (18) présente un joint (20), situé dans une rainure annulaire (19), autour d'une goupille de centrage (21) qui pénètre dans l'ouverture de buse (5).
  2. Pulvérisateur suivant la revendication 1, caractérisé en ce que le corps de pression (25) s'appuie sur une vis de réglage (28).
  3. Pulvérisateur suivant la revendication 1, caractérisé en ce que le corps de pression (25) s'appuie sur un ressort.
  4. Pulvérisateur suivant la revendication 2, caractérisé en ce que le corps de pression (25) a une réalisation sphérique ou conique sur son extrémité opposée à l'ouverture de buse (5), pour son contact sur un formage en creux (30) de préférence sphérique de la vis de réglage (28).
  5. Pulvérisateur suivant la revendication 1, caractérisé en ce que le corps de pression (25) a une réalisation essentiellement cylindrique.
  6. Pulvérisateur suivant la revendication 1, caractérisé en ce que le corps de pression (25) est formé par un corps creux composé de verre ou autres, qui est rempli, au moins en partie, d'un liquide se dilatant ou se vaporisant fortement sous l'effet de la chaleur, d'alcool de préférence.
  7. Pulvérisateur suivant la revendication 1, caractérisé en ce que la pièce assemblée avec le carter (1) est un étrier (15), qui s'étend à l'écart de l'ouverture de buse (5) à partir du carter (1).
  8. Pulvérisateur suivant la revendication 7, caractérisé en ce que l'étrier (15) est réalisé d'une seule pièce avec le carter (1).
  9. Pulvérisateur suivant la revendication 7, caractérisé en ce que l'étrier (15) est formé par des entretoises plates, dont la section transversale radiale s'étend le long du sens de propagation radial du brouillard de pulvérisation.
  10. Pulvérisateur suivant la revendication 1, caractérisé en ce que le corps de pression (25) s'appuie sur une pièce de soutien (33), assemblée de façon amovible avec le carter (1).
  11. Pulvérisateur suivant la revendication 1, caractérisé en ce que la bague d'étanchéité (20) se compose de matériau élastomère.
  12. Pulvérisateur suivant la revendication 11, caractérisé en ce que le corps d'étanchéité (18) présente, sur son côté tourné vers l'ouverture de buse (5), une goupille de centrage (21) coaxiale à la rainure annulaire (19), qui pénètre dans l'ouverture de buse (5).
  13. Pulvérisateur suivant la revendication 1, caractérisé en ce que le corps de pression (25) s'appuie sur une pièce de soutien (33) assemblée de façon amovible avec le carter (1), en ce que la pièce de soutien (33) est réalisée en forme de fourche avec deux branches (31, 32) mobiles dans le sens d'écartement, en ce que les extrémités des branches (31, 32) enserrent par force mécanique, dans une position de repos, des saillies radiales sur le carter (1), en ce que des moyens élastiques prévus assurent une précontrainte des branches (31, 32) dans le sens d'écartement, et en ce que les branches (31, 32) présentent des saillies qui enserrent le corps de pression (25), de sorte que les branches (31, 32) sont bloquées dans la position de repos contre tout risque d'écartement.
  14. Pulvérisateur suivant la revendication 13, caractérisé en ce qu'au moins l'une des branches (31, 32) de la pièce de soutien (33) est réalisée sous forme de ressort et forme ainsi les moyens élastiques.
  15. Pulvérisateur suivant la revendication 14, caractérisé en ce que la ou Les branches (31, 32) se compose et/ou se composent d'acier à ressorts.
  16. Pulvérisateur suivant la revendication 13, caractérisé en ce que les saillies des branches (31, 32) sont respectivement formées par une éclisse (40, 41) s'étendant vers l'intérieur et présentant respectivement un creux, au travers duquel s'étend le corps de pression (25) dans la position de repos.
  17. Pulvérisateur suivant la revendication 16, caractérisé en ce que les éclisses (40, 41) sont disposées, dans la position de repos, en direction de l'axe (45) de la buse avec un écartement mutuel.
  18. Pulvérisateur suivant la revendication 17, caractérisé en ce qu'au moins l'une des éclisses (41) présente un ergot (44), tourné vers l'autre éclisse (40), pour garantir un écartement entre les éclisses (40, 41).
  19. Pulvérisateur suivant la revendication 16, caractérisé en ce que l'éclisse (40, 41) forme respectivement une pièce avec la branche (31, 32).
  20. Pulvérisateur suivant les revendications 3 et 15, caractérisé en ce que le ressort est réalisé sous forme d'un ressort à lames plates (49), composé de préférence d'une seule pièce avec les branches élastiques (31, 32).
  21. Pulvérisateur suivant la revendication 16, caractérisé en ce que les creux sont fermés ou ouverts latéralement.
  22. Pulvérisateur suivant la revendication 16, caractérisé en ce que les creux sont élargis sur leur côté opposé au corps de pression (25) lors du contact sur ce dernier, forment en particulier des trous oblongs (42, 43).
  23. Pulvérisateur suivant la revendication 13, caractérisé en ce que les saillies sur le carter (1) sont formées par un collet (36).
  24. Pulvérisateur suivant la revendication 23, caractérisé en ce que le collet (36) présente sur son pourtour deux creux radiaux (47, 48), qui sont diamétralement opposés et dont l'écartement diamétral correspond à l'écartement diamétral des extrémités libres (34, 35) des branches (31, 32) dans la position de repos.
  25. Pulvérisateur suivant la revendication 23, caractérisé en ce que la surface d'appui (37) pour les extrémités (34, 35) des branches (31, 32) sur le collet (36) est réalisée avec un élargissement conique en direction de la pièce de soutien (33).
  26. Pulvérisateur suivant l'une des revendications 13 à 25, caractérisé en ce que le corps de pression (25) est un corps fondant à l'obtention de la température de déclenchement.
EP95114287A 1994-09-17 1995-09-12 Buse de pulvérisation pour l'atomisation de l'eau pour protection contre l'incendie Expired - Lifetime EP0701842B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4433157 1994-09-17
DE4433157 1994-09-17

Publications (4)

Publication Number Publication Date
EP0701842A2 EP0701842A2 (fr) 1996-03-20
EP0701842A3 EP0701842A3 (fr) 1997-04-09
EP0701842B1 true EP0701842B1 (fr) 2001-04-04
EP0701842B2 EP0701842B2 (fr) 2004-11-03

Family

ID=6528471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95114287A Expired - Lifetime EP0701842B2 (fr) 1994-09-17 1995-09-12 Buse de pulvérisation pour l'atomisation de l'eau pour protection contre l'incendie

Country Status (4)

Country Link
US (1) US5667017A (fr)
EP (1) EP0701842B2 (fr)
AT (1) ATE200227T1 (fr)
DE (2) DE59509153D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6964307B1 (en) 2000-03-28 2005-11-15 Obschestvo s Organichennoi Otvetstvennostju “Unipat” Sprinklers

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19711808A1 (de) * 1997-03-21 1998-09-24 Hans Joachim Herzog Anreger-Wassernebel-Düse
US6102127A (en) * 1997-12-12 2000-08-15 Pierce; Lauvon Temperature controlled valve for drip valves and sprinkler systems
DE19812994B4 (de) * 1998-03-25 2005-10-06 Ulrich Ziller Bauteil-Feuerschutzeinrichtung
US6105678A (en) * 1998-11-17 2000-08-22 Shie Yu Machine Parts Industrial Co., Ltd. Heat responsive fire extinguishing assembly for a ventilating duct
US6308784B1 (en) * 2000-03-07 2001-10-30 Grinnell Corporation Flush sprinkler
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US7096964B2 (en) 2000-03-28 2006-08-29 Obschestvo s Organichennoi Otvetstvennostju “Unipat” Sprinklers

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Publication number Publication date
EP0701842A2 (fr) 1996-03-20
DE19533636A1 (de) 1996-03-21
EP0701842A3 (fr) 1997-04-09
US5667017A (en) 1997-09-16
ATE200227T1 (de) 2001-04-15
EP0701842B2 (fr) 2004-11-03
DE59509153D1 (de) 2001-05-10
DE19533636B4 (de) 2005-11-10

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