EP1552859A1 - Feuerlöschvorrichtung - Google Patents

Feuerlöschvorrichtung Download PDF

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Publication number
EP1552859A1
EP1552859A1 EP05100058A EP05100058A EP1552859A1 EP 1552859 A1 EP1552859 A1 EP 1552859A1 EP 05100058 A EP05100058 A EP 05100058A EP 05100058 A EP05100058 A EP 05100058A EP 1552859 A1 EP1552859 A1 EP 1552859A1
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EP
European Patent Office
Prior art keywords
pressure
gas
tank
bottle
extinguishing agent
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
Application number
EP05100058A
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English (en)
French (fr)
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EP1552859B1 (de
Inventor
Christian Fabre
Christophe Bourdet
Philippe Mangon
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.)
Airbus Operations SAS
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Airbus Operations SAS
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 Airbus Operations SAS filed Critical Airbus Operations SAS
Publication of EP1552859A1 publication Critical patent/EP1552859A1/de
Application granted granted Critical
Publication of EP1552859B1 publication Critical patent/EP1552859B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/66—Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/023—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being expelled by compressed gas, taken from storage tanks, or by generating a pressure gas

Definitions

  • the invention relates to apparatus for controlling against fire, in other words extinguishers.
  • the invention finds its application in stationary fire suppression devices that can be triggered remotely, in which the extinguishing agent stored in a tank is expelled at the time of use.
  • the invention relates more particularly to a device for controlled pressurization of the tank containing the extinguishing agent.
  • tank fire extinguishers of extinguishing agent are classified into two major categories.
  • the first category concerns permanent pressure apparatus in which a gas ensures the constant pressurization of the agent fire extinguisher in a single bottle serving him tank; the extinguishing agent is released by a valve at the outlet of said bottle.
  • a propellant is released only when the in service of the fire extinguisher and releases the agent fire extinguisher, which is therefore not stored under pressure.
  • the extinguishing agent is contained in a bottle, mostly spherical, pressurized by an inert gas; depending of safety requirements, two or more fire extinguishers may to be installed.
  • a bottle mostly spherical, pressurized by an inert gas; depending of safety requirements, two or more fire extinguishers may to be installed.
  • One or more pipes of distribution connected to said bottle, allow the distribution of the agent to the areas to be protected.
  • an operculum calibrated allows to close each pipe of distribution.
  • a pressure sensor is also installed in order to check, on a continuous basis, the pressurizing the bottle. When a fire is detected, a pyrotechnic detonator is triggered. The resulting shock wave makes it possible to pierce the shutter seal, which leads to the emptying of the bottle and the evacuation of the extinguishing agent under the effect of the pressure contained in the bottle towards the areas to be protected, via the pipes.
  • a first disadvantage of this type of pressurized fire extinguishers is their sensitivity to micro-leaks, which makes them subject to conditions severe monitoring, verification and maintenance.
  • the concentration C (t) obtained in a zone is a function, in particular, of the flow rate Q i of extinguishing agent injected into said zone, of the volume V of said zone, of the disposal of the ejection means as well as of the ventilation of the zone. that is to say, the rate Q r of renewal air.
  • the rate Q r of renewal air For example, in the case where the renewal air contains no extinguishing agent and where the extinguishing agent alone arrives on the fire zone by a pipe, the equation (k constant) is obtained:
  • the five curves represent the evolution of the concentration of halon during the discharge for five measuring points: sees the three stages of discharge, namely the implementation diet (a), the maximum concentration (b) then the fall of concentration (c) related to the pressure drop in the bottle until complete emptying.
  • the the constraints of the regulations in force (d) are represented in this figure: the concentration of gas fire extinguisher, for all areas engine fire, shall be greater than 6% for a minimum duration of 0.5 seconds.
  • a fire zone has been represented, but it is about the simultaneity of action of all the fire zones that apply the criterion of regulation.
  • the extinguishing agent does not fill completely the bottle since it must be able to contain the pressurizing gas.
  • fire extinguishers With regard to fire extinguishers second category they use a separate device pressurizing. These devices fight against fire are usually equipped with a first compressed gas tank and a second tank for the extinguishing agent. When the device is used, the compressed gas contained in the first tank is put in communication via an orifice with the second tank of extinguishing agent for the pressurizing the bottle containing the agent extinguisher. When the extinguishing agent is pressurized, he is ejected to fight the fire, as for appliances of the first category of fire extinguisher. Of Once the propellant has been released, it is advisable to note that the second category of fire extinguisher is identical to the first, and therefore presents the same disadvantages.
  • the first gas tank tablet can be replaced by a gas generator, as described in WO 98/02211.
  • the reaction time required between the trigger fire extinguisher and the ejection of the extinguishing agent is redhibitory for certain cases of fire, or suspicions of fire, for example in aeronautics.
  • the problem control of the concentration of extinguishing agent in the area to be protected is not resolved.
  • the object of the invention is to remedy mentioned drawbacks of fire extinguishers, in particular in aircraft engines, among other benefits.
  • the invention one of its aspects a fire extinguisher device whose extinguishing agent is expelled from the tank in which it is stored by a gas under pressure, the gas under pressure being brought and maintained in said tank in a regulated manner. Because the pressure in the tank follows a predetermined profile in function of time, it is possible to obtain a extinguishant concentration in the zone to be treat as closely as possible to a law of concentration sought.
  • the device extinguishing device comprises a reservoir in which the extinguishing agent is stored, said tank being first connected, preferably near the accumulation point of said agent, to a network extinguishing agent to the zones to be treat and being, second, connected, in general although not limitatively at a substantially opposite to the previous accumulation point, to a means of generating a gas under pressure.
  • Means for closing the tank containing the extinguishing agent prevent the agent of extinction to flow into the network of distribution in the absence of pressure in said tank.
  • Said closure means can consist of a valve whose opening is controlled during the trigger sequence of extinguisher, either by an external order or by the pressurizing the tank. They can also consist of a sealed operculum calibrated to break under pressure when the tank reaches this last.
  • Pressure regulating means in the tank allow to limit the flow of leaving the extinguishing agent at the desired value, value that can vary according to a defined profile during time, without an unnecessarily excessive amount extinguishing agent is sent to the areas to be treat; it is thus possible to either treat more for a long time and more effectively an area with a given amount of agent, to use less agent while guaranteeing agent concentration fire extinguisher for a specified period.
  • the regulation means can be chosen and / or parameterized to obtain a profile "niche" pressure in which the pressure in the reservoir is substantially constant during a certain time, that is to say that it evolves between two values close.
  • the real pressure not deviate more than 10%, preferably 5%, from the nominal value.
  • Successive trays can also be chosen as a profile.
  • the duration of the regulation is chosen according to the use, by example greater than or equal to 2 s, or 5 s.
  • a measure of agent concentration extinguisher in the areas to be treated allows, possibly closed-loop regulation, plus fine again, the pressure of the gas in the tank.
  • the means to generate the gas under pressure may comprise a storage of pressurized gas: pressurized gas is stored in a separate bottle, connected to the audit extinguishing agent tank, through example of a communication path.
  • the means of pressure regulation can consist of flow or pressure control valves that can be ordered between a complete closure means of communication between gas cylinder under pressure and extinguishing agent tank, up to maximum opening.
  • the valves of regulation are controlled according to a given law and defined by the user, possibly using information from concentration sensors as an extinguishing agent (closed-loop control or open loop as appropriate). Regulation can also be provided by other such as a regulator associated or not with a device that creates a pressure difference (diaphragm, nozzle).
  • the capacity of the pressurized gas cylinder advantageously also takes into account the effects micro-leaks so that they are without consequences on the operational abilities of a device according to the invention, at least between two periodic checks.
  • the gas which ensures the pressurization of said agent reservoir extinguisher is generated at the time of use of extinguisher by burning a block of material pyrotechnics:
  • the means of generation can consist of a gas generator.
  • geometry of the block of pyrotechnic material allows, similar to the powder propulsion systems of rockets, to generate combustion gases following a predetermined law depending on the use desired.
  • the combustion of the block of pyrotechnic material no longer requires control, the control means being constituted by the geometry of the gas generator and the mechanism initiation of the reaction.
  • a valve can however also be present.
  • the extinguishing device can be triggered by a remote operator. It can also be set operation directly by a device receiving the information from a sensor, which will detect the conditions related to the probability of a fire.
  • the device can be equipped with neutralization.
  • the extinguishing device, or extinguisher, 1 has a bottle 4, for example spherical, which serves as Extinguishing agent tank 6.
  • Bottle 4 is preferably under ambient pressure; the extinguishing agent 6 can be a liquid: indeed, precise control of the pressurization described hereinafter throughout the ejection of the extinguishing agent out of the bottle 4 allows the use of new extinguishing agents difficult to spray, for example at very low saturation vapor pressure (close to solvents) which occur in the liquid state, especially in the range of temperatures interesting the application aeronautics.
  • the bottle 4 has one or more outlets 8, which can be coupled with distribution lines 10, in order to allow the ejection of the extinguishing agent 6 to an area to 12.
  • the outlets 8 are located on the side where the extinguishing agent accumulates, that is to say as a rule down 4.
  • each orifice of outlet 8 is closed by a closing device 14 in order to keep the extinguishing agent in the bottle 4 as long as his action is not solicited.
  • the device closure 14 may for example be a tared operculum, that is to say a membrane, which breaks or opens as soon as that the pressure inside the bottle 4 reaches a certain threshold.
  • the closure device 14 can also be a valve, advantageously controlled at distance, either by manual control or by a control mechanism coupled for example to the means of put the bottle 4 under pressure.
  • other closure devices 14 are known for example from WO 93/25950 or US-A-4,877,051, and available in the trade.
  • the extinguishing device 1 comprises means for generating a gas under pressure 16 coupled to means 18 for regulating the pressure in the bottle 4.
  • the means 16 for generating a gas under pressure are connected to the agent bottle extinguisher 4 via conduit 20 and of an opening 22 on the bottle 4.
  • the opening 22 of the communication means 20 between the extinguisher tank 4 and the means of generation of a gas under pressure 16 is located opposite to the outlet 8.
  • the means 16 for generating a gas under pressure can, in one embodiment of the invention illustrated in Figure 2, consist of a pressurized gas tank. He is in this case advantageous to take as means 18 to regulate the pressure in the bottle 4 a valve, or valve, located on the conduit 20.
  • the valve can be predefined so as to ensure a flow of gas in the leads 20 such as the pressure inside the bottle 4 follows a predetermined profile. For example, she can see her opening diameter depend on directly from the pressure in the bottle 4. Indeed, the pressure in the bottle 4 depends directly from its gas content under pressure: knowing the dimensions of the bottle 4 as well as the instantaneous gas ejection flow coupled to the agent fire extinguisher through outlet 8 it is easy to model the pressure law prevailing inside of the bottle 4 according to the flow of gas entering.
  • valve 18 is connected to a control device 24 which allows modify the parameters, either manually or function of measured commands (see below), opening and / or closing of the valve 18 by means of a command line 26. It is also possible to check the discharge of the extinguishing agent according to the measurement of its concentration in the fire zone 12. In this case, you can have a simultaneous command of bodies 18 and 24.
  • the command line 26 can also be used "the other way” in order to use the flow parameters in the communication conduit 20 and / or the pressure parameters in the bottle 4 to control other functions of the device
  • the control system 24, in response to a signal from the valve 18, can order, by the command line 28, the opening of the valve 14 located on the distribution pipe 10, in order to delay it until a minimal pressure be reached in the bottle 4, or control the opening parameters in order to adapt them to this pressure and thus ensure a constant concentration in extinguishing agent 6 on the fire zone 12.
  • Another possibility of carrying out the regulation according to the invention is to operate a regulation control 30 directly on the means 16 for generating a gas under pressure.
  • valve 18 located on the communication path 20 can be simplified for have only two positions, namely opening and closing.
  • Another embodiment relates to the presence of several pressurized gas tanks as means for generating a gas under pressure in the bottle of extinguishing agent 4: see figure 3.
  • each tank 161, 162 is ported to the bottle 4 by its own conduit 201, 202 provided with its regulation valve 181, 182.
  • FIG. 1 Another embodiment thus relates to a gas generator 32 with a pyrotechnic cartridge.
  • the generator is outside the bottle 4; he is constituted by an enclosure 34 provided with a device 36, and containing a cartridge 38 of a pyrotechnic material such as propellant. Gas generated by the combustion of the pyrotechnic material 38 are directed to the bottle 4 via of the outlet port 40 of the enclosure 34.
  • the outlet orifice 40 is provided with a nozzle 42, shaped if possible so that the sound velocity is reached at the minimum section of the nozzle 42, which isolates the generator from gas 32 of the bottle 4 and therefore does not disturb the combustion of the pyrotechnic material 38 (in the absence of nozzle, the pressure is identical in the bottle 4 and the generator 32).
  • the regulation means of pressure are then directly integrated into the pressurized gas generator 32, and a simple control on the ignition device 36, for example by a system similar to that described in the figure 2, allows to control the pressure inside the bottle, and therefore at exit 8 extinguisher 1; so the concentration of agent on the fire zone 12 can follow the predetermined profile.
  • the flow control Q then causes a control of the pressure prevailing in the bottle 4 to course of time and flow.
  • the limit 48 corresponds to the criteria of the regulations in force in aeronautics. As we can see it in this figure, it is possible to manage the pressure in the bottle so as to have a constant concentration for a defined period of time or to have an evolutionary concentration according to needs on the fire zone considered. As a result, the device according to the invention makes it possible to create square concentration squares (or others if necessary to improve the capacity extinguishing by increasing the concurrency time above the threshold concentration of extinguishing agent necessary to extinguish and / or reduce the mass of agent to embark for the same efficiency expected extinction.
  • the predetermined profile of pressure obtained thanks to the regulation according to the invention can be such that the pressure is almost constant in the tank for a certain duration usually greater than 2 s, ie the pressure does not vary not more than 10%, preferably less than 5%, or less than 2% of a nominal value.
  • the pressure can follow, for this level, a profile linear, or be in the form of a Gaussian "Flattened".
  • the duration of the general regulation profile may be greater than this level, for example the order of 6 s.
  • this level for example the order of 6 s.
  • the agent fire extinguisher 6 is considered to have characteristics close to those of the halon.
  • its saturation vapor pressure is such that, because of the pressurization, it is in the state liquid and supposed incompressible in the bottle 4 and in the supply piping 10 up to the level of the ejection nozzle. Downstream, it is pulverized and vaporizes in the fire zone 12.
  • the pressure regulating means it is possible to define a first phase (so-called "booster" phase) during which the duration to reach an agent concentration in the fire zone 12 concerned greater than or equal to that allowing extinction is fixed.
  • the surfaces (4440 and 406 mm 2 ) can be obtained in several ways, with blocks burning on one side ("cigarette"), on several sides, each side can be partially inhibited, ...
  • the shape to give to the block depends on the manufacturing conditions, the surface evolution, but also the ignition mode (on one side or on a surface for example). It is possible to optimize the evolution of the combustion surface over time to obtain a flow rate as desired.
  • FIG. 6A An exemplary embodiment of block 60 is illustrated in FIG. 6A.
  • the combustion surface for the "booster” phase is a circular face 62 of radius R; for the "sustainer” phase, the desired flow rate being much lower, the combustion surface is limited to a ring 64 of outer radius R and thickness E.
  • combustion block 60 is such that the combustion surface is reduced to the annular surface 64.
  • the flow of gas is more sufficient to maintain a pressure of 50 bar in the bottle, and a new equilibrium diet is established between the volume of gas entering and the volume outflow agent, at the pressure of about 5 bar. With this pressure, the agent flow is such that the agent concentration in the fire zone remains constant (or almost constant) at the level reached at the end of first phase, or 7%.
  • more than two phases may be desired.
  • a booster phase similar to the previous one is desired.
  • a signal 52 from a fire detector can be used as trigger of the opening of the means of communication 20 between pressurized tank 16 and bottle extinguisher, or as a trigger for a mechanism in the case of a gas generator 32. may be better to provide a device for neutralization 54 of the control means 24. It can also be useful to provide a manual release 56 on the control box 24 and / or the pressure regulation means 18.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Fire Alarms (AREA)
EP05100058A 2004-01-09 2005-01-06 Feuerlöschvorrichtung Active EP1552859B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0450058 2004-01-09
FR0450058A FR2864905B1 (fr) 2004-01-09 2004-01-09 Dispositif d'extinction de feu

Publications (2)

Publication Number Publication Date
EP1552859A1 true EP1552859A1 (de) 2005-07-13
EP1552859B1 EP1552859B1 (de) 2007-12-05

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EP05100058A Active EP1552859B1 (de) 2004-01-09 2005-01-06 Feuerlöschvorrichtung

Country Status (7)

Country Link
US (1) US8020628B2 (de)
EP (1) EP1552859B1 (de)
AT (1) ATE380056T1 (de)
CA (1) CA2492133C (de)
DE (1) DE602005003593T2 (de)
FR (1) FR2864905B1 (de)
RU (1) RU2376049C2 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008025930A1 (fr) 2006-09-01 2008-03-06 Pyroalliance Dispositif de propulsion de liquide incorporant dans sa structure un generateur de gaz pyrotechnique
EP2251065A1 (de) 2009-05-14 2010-11-17 Airbus Opérations SAS Trennbares Verschlussorgan für Flüssigkeitsejektionsvorrichtung
DE102009042370A1 (de) 2009-09-23 2011-03-24 Minimax Gmbh & Co. Kg Löschanlage mit Flaschenventil
US8783372B2 (en) 2007-10-30 2014-07-22 Airbus Operations S.A.S. Fluid ejection device with reinforced seal
WO2014207403A1 (fr) * 2013-06-28 2014-12-31 Herakles Procédé de délivrance d'un liquide pressurisé par les gaz de combustion d'au moins un chargement pyrotechnique
CN108279112A (zh) * 2018-02-02 2018-07-13 中国科学技术大学 一种灭火系统管网流动特性实验设备
CN109178316A (zh) * 2018-10-31 2019-01-11 姜文尧 高楼灭火救生无人机

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FR2870459B1 (fr) * 2004-05-19 2006-08-25 Airbus France Sas Dispositif d'extinction de feu par injection d'un gaz genere par la combustion d'un bloc pyrotechnique
US7548068B2 (en) * 2004-11-30 2009-06-16 Intelliserv International Holding, Ltd. System for testing properties of a network
FR2879107B1 (fr) * 2004-12-09 2007-04-06 Airbus France Sas Dispositif pour augmenter l'efficacite du gaz de pressurisation dans une bouteille d'extincteur
EP1782861A1 (de) 2005-11-04 2007-05-09 Siemens S.A.S. Feuerlöschgerät und -methode mit Gasgenerator und Löschmittel
FR2899227B1 (fr) * 2006-04-04 2008-10-24 Snpe Materiaux Energetiques Sa Objets pyrotechniques monolithes de grandes dimensions, obtention et utilisation
US7845456B1 (en) * 2006-05-06 2010-12-07 O'doan Thomas F Apparatus and method for stopping an unauthorized vehicle powered by an internal combustion engine
FR2942969B1 (fr) 2009-03-10 2011-03-04 Airbus France Dispositif d'extinction d'incendies pour aeronef et procede de fixation
US8096366B2 (en) * 2010-12-10 2012-01-17 American Pacific Corporation Environmentally beneficial and effective hydrochlorofluorocarbon compositions for fire extinguishing applications
US10039943B2 (en) * 2013-01-17 2018-08-07 The Boeing Company Aircraft fire suppression
CN108815746B (zh) 2013-03-06 2021-11-09 加拿大空客有限合伙公司 在灭火剂管道与飞行器货舱之间的接口
CN105641832A (zh) * 2016-03-17 2016-06-08 江门市南洋船舶工程有限公司 用于船舶货舱的二氧化碳分级释放控制系统
CN106110548A (zh) * 2016-08-12 2016-11-16 江苏津泰机电有限公司 一种气体灭火系统
RU2676578C2 (ru) * 2016-08-18 2019-01-09 Владимир Викторович Куцель Универсальная установка пожаротушения
US10238902B2 (en) * 2016-09-07 2019-03-26 The Boeing Company Expulsion of a fire suppressant from a container
FR3077989B1 (fr) * 2018-02-20 2021-11-19 Arianegroup Sas Extincteur d'incendie
US20200080474A1 (en) * 2018-08-13 2020-03-12 Thomas MORE Runaway Diesel Suppressor System
DE102019001903B4 (de) * 2019-03-19 2020-11-05 Diehl Aviation Gilching Gmbh Druckgasbehältersystem sowie Feuerlöschsystem
CN110870960A (zh) * 2019-12-20 2020-03-10 徐工集团工程机械股份有限公司 一种干粉喷送系统及举高消防车
DE102021004285A1 (de) 2021-08-21 2023-02-23 Kastriot Merlaku Feuerlöscher

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WO1996023550A1 (en) * 1995-02-03 1996-08-08 Great Lakes Chemical Corporation Method for gas-pressure delivery of fire suppressant
WO1998002211A1 (fr) 1996-07-12 1998-01-22 Delta Extinctors S.A. Extincteur d'incendie
GB2317824A (en) * 1996-10-07 1998-04-08 Design Limited Spa Fire-extinguishing apparatus
WO2001078841A2 (de) * 2000-03-23 2001-10-25 Klaus Spies Druckgenerierungseinrichtung, vorzugsweise für löschsysteme
EP1142611A1 (de) * 2000-04-08 2001-10-10 Siemens Building Technologies AG Verfahren zur Optimierung eines Wasserspray-Löschsystems und Wasserspray-Löschsystem zur Durchführung des Verfahrens

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008025930A1 (fr) 2006-09-01 2008-03-06 Pyroalliance Dispositif de propulsion de liquide incorporant dans sa structure un generateur de gaz pyrotechnique
FR2905454A1 (fr) 2006-09-01 2008-03-07 Pyroalliance Sa Generateur de gaz pyrotechnique a regulation de pression et dispositif de propulsion de liquide l'incorporant dans sa structure
US8783372B2 (en) 2007-10-30 2014-07-22 Airbus Operations S.A.S. Fluid ejection device with reinforced seal
EP2251065A1 (de) 2009-05-14 2010-11-17 Airbus Opérations SAS Trennbares Verschlussorgan für Flüssigkeitsejektionsvorrichtung
DE102009042370A1 (de) 2009-09-23 2011-03-24 Minimax Gmbh & Co. Kg Löschanlage mit Flaschenventil
FR3007659A1 (fr) * 2013-06-28 2015-01-02 Herakles Procede de delivrance d'un liquide pressurise par les gaz de combustion d'au moins un chargement pyrotechnique
WO2014207403A1 (fr) * 2013-06-28 2014-12-31 Herakles Procédé de délivrance d'un liquide pressurisé par les gaz de combustion d'au moins un chargement pyrotechnique
CN105492085A (zh) * 2013-06-28 2016-04-13 赫拉克勒斯公司 用来递送由至少一种烟火药料的燃烧气体加压的液体的方法
US20160175628A1 (en) * 2013-06-28 2016-06-23 Herakles Method for delivering a liquid pressurised by the combustion gases from at least one pyrotechnic charge
US10159861B2 (en) 2013-06-28 2018-12-25 Arianegroup Sas Method for delivering a liquid pressurised by the combustion gases from at least one pyrotechnic charge
CN105492085B (zh) * 2013-06-28 2019-10-01 阿丽亚娜集团联合股份公司 用来递送由至少一种烟火药料的燃烧气体加压的液体的方法
CN108279112A (zh) * 2018-02-02 2018-07-13 中国科学技术大学 一种灭火系统管网流动特性实验设备
CN108279112B (zh) * 2018-02-02 2024-03-01 中国科学技术大学 一种灭火系统管网流动特性实验设备
CN109178316A (zh) * 2018-10-31 2019-01-11 姜文尧 高楼灭火救生无人机

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CA2492133C (fr) 2012-10-30
DE602005003593T2 (de) 2008-10-30
US20050150663A1 (en) 2005-07-14
FR2864905A1 (fr) 2005-07-15
FR2864905B1 (fr) 2006-07-14
RU2376049C2 (ru) 2009-12-20
RU2004138755A (ru) 2006-06-20
DE602005003593D1 (de) 2008-01-17
EP1552859B1 (de) 2007-12-05
US8020628B2 (en) 2011-09-20
CA2492133A1 (fr) 2005-07-09
ATE380056T1 (de) 2007-12-15

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