EP1928558A1 - Strahlrohreinheit sowie verfahren zum ausbilden eines löschmittelnebels - Google Patents
Strahlrohreinheit sowie verfahren zum ausbilden eines löschmittelnebelsInfo
- Publication number
- EP1928558A1 EP1928558A1 EP06793884A EP06793884A EP1928558A1 EP 1928558 A1 EP1928558 A1 EP 1928558A1 EP 06793884 A EP06793884 A EP 06793884A EP 06793884 A EP06793884 A EP 06793884A EP 1928558 A1 EP1928558 A1 EP 1928558A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- extinguishing agent
- jet
- jet pipe
- pipe unit
- nozzle
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
Definitions
- the invention relates to a jet pipe unit for extinguishing agent delivery, comprising at least one pressurizable extinguishing agent acted upon jet pipe having a tubular body having an extinguishing agent inlet opening and with a formed from at least one nozzle of the extinguishing agent outlet extinguishing agent outlet.
- a gaseous blowing agent is required in addition to the extinguishing agent, as described in DE 295 22 023 U1.
- the propellant is used to atomize the aqueous extinguishing agent, for example, the water at the exit from the jet pipe.
- this previously known jet pipe unit has a fast-reacting closing element for chopping the extinguishing agent jet emerging from the jet pipe. From this previously known beam tube unit thus emerge from the jet pipe to a beam bundled water droplets. Already after a throw of only a few meters spreads the extinguishing agent mist.
- radiant tube units are only suitable for fire fighting, if you can get close enough to the fire with the tailpipe unit.
- Such radiant tube units and the corresponding prior art method are thus unsuitable for forming a fire extinguishing agent for firefighting fire sources in the immediate vicinity you can not get, as this is the case for example in a forest fire.
- the field of application of radiant tubes used for fire Therefore, in most cases they are only used in portable fire extinguishers.
- extinguishing mists are also known from permanently installed, so-called sprinkler from buildings, ships or the like.
- the extinguishing water is atomized by the extinguishing agent into conductive internals in the outlet nozzles, so that the emerging extinguishing agent jet is formed from individual droplets and the extinguishing agent jet is cone-shaped with the largest possible opening angle.
- WO 94/06517 A describes a method and a device for fire fighting.
- the method described in this document alternately generates a liquid mist and a jet of liquid for firefighting.
- the alternate design of the extinguishing medium jet serves the purpose of fighting firefighting from a greater distance to the fire with a conventional high-pressure extinguishing agent jet in a first step. If the fire to be combated has cooled down far enough, you can approach the fire and then fire at close range with an extinguishing agent.
- the nozzle head of the device described in this document has a plurality of outlets, each with a swirling element.
- This swirling element is set in motion by the pending extinguishing medium pressure and serves the purpose of forming the desired liquid mist. Therefore, the generated liquid mist exits directly on the nozzle head. Effective firefighting by extinguishing agent sufficiently distant from the source of the fire can not be achieved even with the method described in this document or with the device described in this document.
- the invention is therefore the object of a jet pipe unit for extinguishing agent delivery and a method for forming a extinguishing agent to propose, with which device or by which method a targeted effective fire fighting with relatively low extinguishing agent consumption and especially with greater distance to the source of fire can be done.
- the object related to the jet tube unit is achieved according to the invention in that the at least one nozzle is rotationally movable about its longitudinal axis and / or along a circular path concentrically enclosing the axis of rotation.
- a jet pipe unit comprising at least one jet pipe with one or more nozzles as the extinguishing agent outlet opening
- Displacement of the at least one nozzle of the jet pipe unit and / or the jet pipe unit is generated about an axis of rotation corresponding to the extension of the longitudinal axis of the extinguishing agent jet.
- Such a beam tube unit is designed to form a bundled extinguishing agent jet which rotates about its longitudinal axis for its bundling and for stabilizing its trajectory.
- the rotating extinguishing agent jet is expediently produced by the at least one nozzle of the jet tube or the jet tube unit and / or the at least one jet tube of the jet tube unit and / or the entire jet tube unit being set into a rotary rotational movement about its longitudinal axis.
- a drive device for example a hydraulic motor, can be used for rotationally driving the jet pipe or the jet pipe unit.
- existing internals which guide the extinguishing agent can also be used in the jet pipe.
- the webs projecting from the inner wall thereof or grooves introduced into the inner wall thereof can be used which are designed to be spiral-like following the longitudinal extent of the jet pipe.
- the liquid extinguishing agent used to produce the extinguishing agent jet is supplied under pressure to the jet pipe.
- the pressure with which the extinguishing agent is supplied to the jet pipe adjustable, so that the jet pipe according to the respective requirements with the extinguishing agent under a suitable pressure Be is charged.
- the respective set pressure of the jet pipe supplied extinguishing agent determines the exit velocity of the extinguishing agent jet from the jet pipe or the jet pipe unit in the axial direction. Since the emerging extinguishing agent jet is rotating at the same time, the pressure of the vectoring component of the extinguishing agent jet velocity pointing in the longitudinal direction of the extinguishing agent jet is determined.
- the extinguishing agent jet emerging from the jet pipe or the jet pipe unit can be set correspondingly to the respective requirements in the case of fire fighting with reference to the two parameters pressure and rotation. It is assumed that the effective throw of the extinguishing agent jet and the speed of rotation can be used to set the distance of the formation of the extinguishing agent mist desired for fire fighting from the jet pipe unit via the pressure of the extinguishing agent supplied to the jet pipe or the jet pipe unit. It is further assumed that the two aforementioned parameters are in a certain context. By varying the extinguishing agent jet pressure and / or the rotational speed of the jet pipe or of the jet pipe unit, the desired extinguishing agent jet can be readily adjusted by anyone according to the respective requirements.
- the extinguishing agent jet generated by such a jet pipe unit is to be addressed as a bundled extinguishing agent jet over a first throwing distance.
- the desired extinguishing agent mist then forms from the extinguishing agent jet at this first throwing distance over a short distance.
- the extinguishing agent used for firefighting is bundled over the first litter line and transported lossless to the place of firefighting as far as possible, whereby the extinguishing agent mist itself only at the site of firefighting by a short distance occurring quasi-explosive increase in volume of the extinguishing agent jet is formed or spread.
- the tube unit is suitable for the aforementioned reason, especially for combating such fires that can not be controlled from close proximity.
- the liquid extinguishing agent is typically introduced under high pressure in the jet pipe unit.
- the pressure actually set depends on the design of the jet tube unit and the desired extinguishing agent jet formation. Although the above-described extinguishant jet configuration can be realized at lower pressures, the jet tube unit will typically be pressurized to pressures of 200 bar, 500 bar, 1000 bar or more.
- extinguishing agent acted on jet tube unit can achieve high extinguishing jet throwing distances, which can be up to 100 m or even more, before the actual extinguishing agent spray spatially forms or propagates almost explosively over a short distance.
- the rotational speed of the extinguishing agent jet By setting the rotational speed of the extinguishing agent jet, the extinguishing agent jet can be set up with regard to the design, for example the stability of its trajectory. Due to the rotation of the extinguishing agent beam undergoes stabilization as a result of the twist. By changing the rotational speed, it is possible with constant pressure, to determine the point in which after the first throw of the extinguishing agent beam as a focused beam, this unfolds to form the extinguishing agent fog.
- the opening width of the at least one nozzle of a jet pipe of such a jet pipe unit is small in diameter and is typically less than 2 mm.
- a nozzle cross-section of about 1 mm is preferred and considered sufficient. Nevertheless, other nozzle cross-sectional widths may also be provided.
- the small diameter nozzles result in lower extinguishing agent consumption.
- the at least one nozzle of the jet pipe unit is formed as an acceleration nozzle and has a first gradually tapered convergent section, which is followed by the smallest diameter of the nozzle. At this portion of the smallest opening width of the nozzle may be followed by a diameter-increasing section.
- the nozzles may be formed, for example, as Laval nozzles.
- the at least one nozzle of the jet pipe or of the jet pipe unit can have transverse bores via which additives which are supplied via a suitable rotary feedthrough or which are present at the nozzle can be added to the extinguishing agent.
- a suitable rotary feedthrough or which are present at the nozzle can be added to the extinguishing agent.
- the majority of the jet pipes is typically arranged at a distance from the axis of rotation of the jet pipe unit. Since the extinguishing agent is typically supplied via a rotational feedthrough defining the axis of rotation, the extinguishing agent experiences an acceleration as a result of centrifugal force, so that in this way the extinguishing agent pressure prevailing at the outlet nozzle (s) can be increased. This is dependent on the rotational speed of the jet pipe unit.
- the nozzle upstream tube body may also extend at an angle to the longitudinal axis of the nozzle.
- Such a tubular body thus extends in the radial direction to the rotational movement of such a jet tube unit and typically connects the axially arranged rotary feedthrough with the nozzle arranged at a distance from the rotational axis.
- the jet pipe units can be accommodated in an open, for example drum-like, housing in the throwing direction of the extinguishing agent jet in order to avoid a possible risk of injury to the rotating jet tubes.
- FIG. 1 is a schematic, partially sectioned side view of a jet pipe unit for extinguishing agent according to a first embodiment
- FIG. 4 shows a schematic side view of a jet pipe unit for extinguishing agent delivery according to a further embodiment
- FIG. 5 is a view of the opening side of the jet pipes of the jet pipe unit of Figure 4,
- FIG. 6 shows a view of a further jet pipe unit corresponding to that shown in FIG. 4 with a jet pipe arrangement which is different from the other.
- FIG. 7 shows a schematic view and insight of a jet pipe unit for extinguishing agent delivery according to yet another exemplary embodiment
- FIG. 10 shows a schematic representation of the extinguishing agent jet emitted by the jet tube unit according to FIG. 4 and the extinguishing agent mist forming therefrom.
- a jet pipe unit 1 comprises a jet pipe 2, consisting in the illustrated embodiment of a cylindrical tube body 3 and an output side, torque-connected to the tubular body 3 connected nozzle 4.
- the tubular body 3 has an extinguishing agent inlet opening. Designs with several extinguishing agent inlet openings are possible.
- the jet pipe 2 is rotatably supported about its longitudinal axis 5 in a manner not shown.
- a hydraulic motor 6 with a pulley 7 is used on its drive shaft.
- a belt 8 serves to transmit the rotational movement of the pulley 7 to the jet pipe 2, for which purpose a belt guide 9 is arranged in the rear region of the tubular body 3 of the jet pipe 2.
- a belt guide 9 is arranged in the rear region of the tubular body 3 of the jet pipe 2.
- the rotary feedthrough 10 is used for supplying a liquid extinguishing agent, typically water from the stator side into the interior 11 of the tubular body 3 rotatable about its longitudinal axis.
- the nozzle 4 has a section 12, which gradually tapers in a convergent manner towards the nozzle exit, with a circular cross-sectional area, to which the section of the nozzle 4 adjoins, in which the latter has its smallest opening width.
- This section is identified by the reference numeral 13.
- a short, slightly widening section adjoins this section as a nozzle outlet.
- nozzles with a different nozzle configuration for example, be used with a longer Düsenausgangsumble.
- the jet pipe unit 1 is connected to a non-illustrated high-pressure extinguishing agent supply 14, through which the extinguishing agent - water - with a pressure of more than 500 bar input side of the rotary feedthrough 10 is present.
- the extinguishant pressure is adjustable to the respective desired formation of the extinguishing agent jet.
- the extinguishing agent-loaded jet pipe unit 1 is set in rotation for its operation in order to produce a rotating extinguishing agent jet.
- the formation of the rotating extinguishing agent jet is supported by the length of the tubular body. pers 3, since due to the internal wall friction, the supplied extinguishing agent is already in the cylindrical portion of the tubular body 3 is set in rotation.
- the rotational speed of the jet pipe 2 is dependent on the desired extinguishing jet configuration, for example its bundling, and may be about 2,000 revolutions per minute. Depending on the fire to be combated and in particular its distance from the jet pipe unit 1, this can also be driven with a lower or higher rotational speed.
- the jet pipe unit 1 is typically hinged to a vehicle, with both the extinguishing jet direction and the extinguishing jet discharge angle being adjustable.
- FIG. 2 shows, in a further exemplary embodiment, a jet tube unit 1 ', which is constructed like the jet tube unit 1 described for FIG. 1, but which differs from the jet tube unit 1 with respect to its nozzle arrangement.
- the nozzle 4 'of the jet tube unit 1' is arranged eccentrically to the longitudinal axis 5 'of the jet tube 2', so that the nozzle constriction 13 'describes a circular path movement as a result of rotation of the jet tube 2' about the longitudinal axis 5 '.
- the extinguishing jet emerging from the jet tube unit 1 ' is to be regarded as hollow-beam-like by its helical configuration.
- FIG. 3 shows a further nozzle configuration 15 for a jet pipe unit, for example the jet pipe unit 1 or 1 'or else for one of the jet pipe units described below.
- the nozzle configuration 15 is a double nozzle with two individual nozzles 16, 16 '.
- the nozzles 16, 16 ' are basically designed like the nozzle 4 and have a first, gradually convergent tapered portion, which is followed by the Düsenengste with circular cross-sectional area. Both nozzles 16, 16 'are arranged at the same radial distance from the longitudinal axis 17 of the jet pipe 18.
- a hollow jet or a hollow jet-like extinguishing jet is generated.
- the nozzles described are exemplified nozzles which are used to accelerate the rotation of the jet pipe into the jet pipe. Perform 10 guided extinguishing agent is used. Due to the high pressure applied by the extinguishing agent supply 14, but also due to the extinguishing agent acceleration within the respective nozzle 4, 4 'or 15, the respective extinguishing jet leaves the nozzle or the jet pipe at high speed. The exit velocity depends on the applied pressure and the configuration of the respective nozzle.
- the respective emerging extinguishing agent jet may have supersonic speeds. The exit of the extinguishing agent jet at such a high speed supports the extinguishing jet bundling and ensures that the escaping extinguishing agent jet remains concentrated over a longer distance before the desired extinguishing agent mist is formed.
- FIG. 4 shows a jet pipe unit 19 according to a further exemplary embodiment which is constructed with respect to the drive and the extinguishing agent supply like the jet pipe unit 1 described above.
- the jet pipe unit 19 comprises a collector or distributor 21 connected to the rotary feedthrough 20, at which several individual jet pipes 22 are connected with their respective tubular body. Overall, seven individual jet pipes 22 are connected to the collector 21, as can be seen in the front view of FIG. 5 of the jet pipe unit 19.
- the jet pipes 22 of the jet pipe unit 19 are designed in this embodiment as the jet pipes 2 described for Figure 1.
- jet pipe unit 19 From the illustration of the jet pipe unit 19 according to Figure 5 it is clear that the jet pipe unit 19, a centric jet pipe 22 and six, each with the same angular distance in the radial distance has to the central jet pipe 22 arranged further radiant tubes 22. In the jet pipe unit 19, the entire unit consisting of the collector 21 and the jet pipes 22 is driven in rotation.
- FIG. 6 shows an arrangement of jet pipes 22 'of a further jet pipe unit 19', which is a modification of the jet pipe arrangement of FIG. 5. Also in this embodiment, the individual beam tubes 22 are arranged at the same angular distance from each other. In contrast to the arrangement of FIG. 5 concerning the jet tube unit 19, two jet tubes 22 'are arranged at the jet tube unit 19' at a mean distance from the axis of rotation of the unit.
- the individual radiant tubes 22, 22' can have an outlet valve, in order, if appropriate, to be able to block the extinguishing agent outlet of individual radiant tubes. In this way, a further modification and adaptation of the extinguishing agent jet is possible.
- FIG. 7 shows a jet pipe unit 23 according to yet another embodiment, which is constructed in principle like the jet pipe unit described with reference to FIGS. 4 to 6.
- the outer jet pipes 24 are adjustable relative to the collector 25, as this is indicated in FIG.
- an extinguishing agent jet can be generated, which rotates about its longitudinal axis and also has a certain conicity.
- the jet tube unit 23 is shown in FIG.
- the jet pipe unit 23 has a telescopic housing 26, which on the one hand to protect the jet pipes 24 and on the other to support the relative to the collector 25 articulated in the region of its rear
- the outer beam tubes 24 are based on centrifugal force on the inside of the telescopic housing 26 with rotating unit. This contributes to its outer part 27 for this purpose inside a support ring 28.
- the outer part 27 is relative to the fixed part 27 'of the telescopic housing 26, as indicated by the arrow in Figure 7, adjustable by means of a thread, by a rotational movement of two parts 27, 27 'against each other.
- the support ring 28 is segmented in a manner not shown. Each segment of the support ring 28 is movable via a plunger 29 in the radial direction to the axis of rotation.
- Figure 8 shows a Strahlrohü 30 according to another embodiment.
- the jet pipe unit 30 has, in addition to the jet pipe unit 19 of FIG. 4, a supply and switch-off device 31 which is arranged in the collector 32.
- the supply and shutdown device 31 serves to connect and / or disconnect individual jet pipes 33.
- the extinguishing agent jet to be formed can additionally be modulated or adjusted by means of supply and / or shutdown of individual jet pipes 33.
- the use of such a supply and disconnection device for connecting or disconnecting individual jet pipes 33 is particularly useful when the jet pipes have at least partially different nozzle shapes. This expands the possibilities of forming the extinguishing agent jet as a function of which jet pipes are switched on and / or off.
- the jet pipe unit 30 further has a housing 34, which is also provided in the illustrated embodiment as a protective measure.
- the housing 34 formed from the two annular cylindrical housing parts 35, 36 is coupled to the rotary movement of the collector 32.
- the housing part 36 is opposite the housing part 35, as indicated by the arrow in Figure 8, movable.
- the housing part 35 has a feed channel 37, via which an additional medium, for example a gas, such as compressed air, can be injected into the interior of the outer cylindrical housing part 36.
- an additional medium for example a gas, such as compressed air
- the supply of such a carrier gas is preferably swirling.
- a gas for example compressed air
- the collector 32 can in principle also be supplied via the collector 32, for which purpose the supply duct has a connection to a gas line arranged in the collector for this purpose.
- the collector itself carries openings for the gas outlet.
- these gas outlet openings can also be tubes fastened to the collector, which are arranged between the jet tubes 33.
- FIG. 9 shows a further development of the jet tube unit 30.
- the jet tube unit 38 shown in FIG. 9 is constructed in the same way as the jet tube unit 30, however, unlike the jet tube unit 30, the housing 39 of the jet tube unit 38 is decoupled from the rotary tubes of the header with the jet tubes this is schematically illustrated by the ball bearing 40 in Figure 9.
- FIG. 10 shows, in a highly schematized and not to scale representation, the jet tube unit 19 of FIG. 4 when dispensing an extinguishing agent jet 41.
- the extinguishing agent jet 41 rotates about its longitudinal axis as it leaves the jet tube unit 19, thus extending the axis of rotation of the jet Beam tube unit 19 represents.
- the extinguishing agent jet remains concentrated due to the high exit velocity and the impressed rotation due to the pressure of the pending liquid extinguishing agent.
- This section of the extinguishing agent jet 41 is identified by the reference numeral 42 in FIG.
- Section 42 of the extinguishing agent beam is followed by a section in which the extinguishing agent jet 42 explosively increases its cross-sectional area over a short distance with a rapid decrease in velocity. This takes place with formation or distribution of smallest extinguishing agent droplets, so that an extinguishing agent mist 43 is formed.
- the extinguishing agent mist formation is also supported by the dynamic pressure acting as a result of the high exit velocity of the extinguishing agent jet.
- the described design of the jet pipe unit requires only a small extinguishing agent consumption, which is lower compared to an operation of previously known jet pipe units with formation of an extinguishing agent jet by a multiple. Therefore, extinguishers equipped with such a jet pipe unit, based on the quantity of extinguishing medium entrained, can support active fire fighting considerably longer by extinguishing without having to refill the extinguishing agent supply.
- the low extinguishing agent consumption is also advantageous in the event that instead of water as extinguishing agent, another liquid extinguishing agent or water are used with an extinguishing agent additive, since the area of the source of fire only by a small amount of the extinguishing agent used - should it not be water - is charged ,
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
- Radiation-Therapy Devices (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200520015600 DE202005015600U1 (de) | 2005-09-30 | 2005-09-30 | Strahlrohreinheit |
| DE200510047299 DE102005047299A1 (de) | 2005-09-30 | 2005-09-30 | Strahlrohreinheit sowie Verfahren zum Ausbilden eines Löschmittelnebels |
| PCT/EP2006/066846 WO2007036554A1 (de) | 2005-09-30 | 2006-09-28 | Strahlrohreinheit sowie verfahren zum ausbilden eines löschmittelnebels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1928558A1 true EP1928558A1 (de) | 2008-06-11 |
| EP1928558B1 EP1928558B1 (de) | 2009-09-30 |
Family
ID=37740463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06793884A Not-in-force EP1928558B1 (de) | 2005-09-30 | 2006-09-28 | Strahlrohreinheit sowie verfahren zum ausbilden eines löschmittelnebels |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1928558B1 (de) |
| AT (1) | ATE444100T1 (de) |
| DE (1) | DE502006004998D1 (de) |
| ES (1) | ES2332329T3 (de) |
| PT (1) | PT1928558E (de) |
| WO (1) | WO2007036554A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007032323A1 (de) | 2007-07-11 | 2009-01-15 | Airmatic Gesellschaft für Umwelt und Technik mbH | Verfahren und Vorrichtung zum Abgriff der hydraulischen Leistung bei einem Kettenfahrzeug |
| DE202008013016U1 (de) | 2008-09-30 | 2008-12-18 | Airmatic Gesellschaft für Umwelt und Technik mbH | Vario-Drucklöschvorrichtung |
| DE102008049815A1 (de) | 2008-09-30 | 2010-04-01 | Airmatic Gesellschaft für Umwelt und Technik mbH | Vario-Drucklöschverfahren und -vorrichtung |
| CN102202742B (zh) | 2008-10-14 | 2012-11-21 | H·舒特 | 涡流喷雾产生的方法以及能形成涡流喷雾的喷雾装置 |
| DE202010009584U1 (de) | 2010-06-26 | 2010-09-16 | Airmatic Gesellschaft für Umwelt und Technik mbH | Feuerlöschmonitor |
| WO2018234293A2 (de) | 2017-06-19 | 2018-12-27 | protectismundi GmbH | Verfahren und vorrichtung zum erzeugen eines rotierenden hohlstrahls |
| DE202017103616U1 (de) | 2017-06-19 | 2018-06-20 | protectismundi GmbH | Flüssigkeitshohlstrahl erzeugende Strahlrohreinheit |
| DE102017113424A1 (de) | 2017-06-19 | 2018-12-20 | protectismundi GmbH | Verfahren und Vorrichtung zum Erzeugen eines rotierenden Hohlstrahls |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3931930A (en) * | 1975-03-06 | 1976-01-13 | Amchem Products, Inc. | Variable spray apparatus and method |
| US4715539A (en) * | 1986-12-11 | 1987-12-29 | Steele Curtis C | High-pressure water jet tool and seal |
| US4821961A (en) * | 1988-03-31 | 1989-04-18 | Nlb Corp. | Self-rotating nozzle |
-
2006
- 2006-09-28 EP EP06793884A patent/EP1928558B1/de not_active Not-in-force
- 2006-09-28 AT AT06793884T patent/ATE444100T1/de active
- 2006-09-28 ES ES06793884T patent/ES2332329T3/es active Active
- 2006-09-28 DE DE502006004998T patent/DE502006004998D1/de active Active
- 2006-09-28 PT PT06793884T patent/PT1928558E/pt unknown
- 2006-09-28 WO PCT/EP2006/066846 patent/WO2007036554A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007036554A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| PT1928558E (pt) | 2010-01-07 |
| ATE444100T1 (de) | 2009-10-15 |
| ES2332329T3 (es) | 2010-02-02 |
| DE502006004998D1 (de) | 2009-11-12 |
| EP1928558B1 (de) | 2009-09-30 |
| WO2007036554A1 (de) | 2007-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
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