EP1935458A1 - Extincteur d'incendie à eau à haute pression portatif - Google Patents

Extincteur d'incendie à eau à haute pression portatif Download PDF

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Publication number
EP1935458A1
EP1935458A1 EP07150017A EP07150017A EP1935458A1 EP 1935458 A1 EP1935458 A1 EP 1935458A1 EP 07150017 A EP07150017 A EP 07150017A EP 07150017 A EP07150017 A EP 07150017A EP 1935458 A1 EP1935458 A1 EP 1935458A1
Authority
EP
European Patent Office
Prior art keywords
additive
fire extinguisher
water tank
water
extinguisher according
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.)
Withdrawn
Application number
EP07150017A
Other languages
German (de)
English (en)
Inventor
Anton c/o HNE Technologie AG Neumeir
Renato Salvel
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.)
Saltech AG
Original Assignee
Saltech AG
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
Priority claimed from EP06126038A external-priority patent/EP1932566B1/fr
Application filed by Saltech AG filed Critical Saltech AG
Priority to EP07150017A priority Critical patent/EP1935458A1/fr
Publication of EP1935458A1 publication Critical patent/EP1935458A1/fr
Withdrawn legal-status Critical Current

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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
    • A62C5/00—Making of fire-extinguishing materials immediately before use
    • A62C5/002—Apparatus for mixing extinguishants with water

Definitions

  • the present invention relates to portable fire extinguishers and has a subject to high pressure water extinguishing fire extinguisher subject, which has at least one additional function.
  • a portable or rollable fire extinguisher comprises a pressure-tight closed water tank and an externally connectable compressed gas cylinder and a connected by means of a rigid hose with the water tank spray nozzle for generating a water jet.
  • a fire pistol which operates in pulsed mode.
  • There are two pressurized containers are provided, which are separated by rigid tubes gas and water separately driven into the gun, and then there to be expelled together pulsating.
  • This device can also operate according to the manufacturer's information be mixed with an irritant in the water tank, so that with the gun a diluted irritant-water mixture can be ejected.
  • This device called RC (Riot Control), is intended to enable law enforcement personnel to extinguish fires on the one hand and to tackle interferers on the other hand.
  • This device has the disadvantage that when using an irritant mixture, all the equipment, starting from the water tank to the gun, is contaminated with this irritant, so that the device as a whole is to be decontaminated before later use.
  • a refilling of the water supply is only possible under secure conditions. In practical use, this leads to the forces used by the device possibly being exposed to the irritant gases during refilling. If the device is prepared for the spraying of irritants, any extinguishing efforts would have to be carried out with the water provided with irritant.
  • the invention is based on the object to improve a device of the type mentioned in such a way that the use of irritants does not lead to contamination of the entire fire extinguishing device.
  • the device can be quickly made ready for use again. It is advantageously protected by a cover against manipulation from the outside. It is advantageous that the user has the option of the additive on the handle itself. Nevertheless, fewer components of the device are contaminated with the additives as in the prior art.
  • Fig. 1 consists of the portable fire extinguisher according to the invention of a portable water tank 1, which is connected via a advantageously connected to the bottom of dimensionally stable hose with a launcher gun 3.
  • the water container 1 has a closable with a quick release 4 water filling opening for fast filling of water in the water tank 1.
  • This closure 4 advantageously has a vent valve 5 and also a protection against opening of the container 1 when it is under pressure
  • Fig. 1 shows the device with a mounted on the water tank 1 first cover 6, from the above only the quick release 4 and the display of a pressure gauge 7 protrude.
  • the cover has side openings through which connections for the compressed gas cylinder 2 and the additive containers 8 and 9 are led out.
  • the Fig. 2 shows one opposite the Fig. 1 another perspective view of the water tank 1 and the parts mounted on this without the first cover 6.
  • a quick coupling 10 is provided, via which the water tank 1 with an outside arranged compressed gas cylinder 2 is connectable.
  • the water tank 1 is designed as a pressure-resistant container and advantageously comprises a capacity of between 10-20 liters of water. Especially with rollable containers, the capacity can also be increased, for example, to 50-100 liters.
  • the compressed gas cylinder 2 may be filled in particular with ordinary air.
  • the pressure in the compressed gas cylinder 2 is preferably at least 200 bar, but may for example also include 300 bar.
  • the compressed gas cylinder 2 has a shut-off valve 11, which is opened only when using the extinguisher, so that the pressurization of the water tank 1 takes place only in the application. Downstream of the shut-off valve 11 is a pressure reducing valve 12, which restricts the then pending in the water tank 1 pressure on the operating pressure, for example, between 10 and 40 bar, but in particular between 25 and 35 bar selectable.
  • the reference numeral 13 the diversion of the leading from the pressure reducing valve 12 pressure line is referred to in the water tank 1.
  • At least one additive container 8 or 9 is provided.
  • two additive containers 8 and 9 are provided.
  • the additive containers 8 and 9 are formed, for example, as hollow cylinders, which advantageously extend over the entire height of the water tank, so that the pressure feed line 14 and the additive drain 15 are respectively arranged above and below the water tank 1, which has the advantages resulting from the description.
  • the additive containers 8 and 9 are then connected in the upper region either via said pressure reducing valve 12 directly to the compressed gas cylinder 2 (not shown in the drawings), so that when opening the valve 11, the corresponding pressure next to the water tank 1 also on the / the additive container (n) 8, 9 rests.
  • the additive container 8 or 9 can be connected via a quick coupling 16 or 17 to a bypass 18.
  • the diversions 18 lead directly through the upper bottom of the water tank 1, so that the additive container 8 and 9 when opening the valve 11 are also directly under pressure.
  • the advantage of this embodiment is that an opening of the vent valve 4 directly and the upcoming operating pressure from the additive containers 8 and 9 takes.
  • the dimensionally stable tube is led out. This is advantageously done via a correspondingly provided in the bottom of the water tank 1 flange deflection in order to achieve a laminar flow of water in the hose. For this purpose, this deflection should have a sufficient, the hose diameter corresponding cross-section.
  • An advantageous flange deflection in this context is with reference to the FIGS. 9 and 10 explained in more detail.
  • the tube is laterally arranged so that it can be led out both on the right and on the left of the device. This would allow the right-handed hose to be guided to the right of his body and left-handed to the gun 3 on his left-hand side.
  • the hose for example, installed firmly right out and under the device.
  • the hoses are integrated in the backpack frame or pelvic and abdominal belt.
  • the diameter of the main water hose can be 8 millimeters, and the diameter of the additive hoses, for example, 1 millimeter.
  • the diameter of the main water hose is smaller than the main water hose by a factor of 10 or more.
  • the ratio of the tube diameter to each other corresponds to the respective volumes of the containers with the reference numerals 1 to 8 or 1 to 9.
  • the additive containers 8 and 9 are designed pressure-resistant according to the intended operating pressures, such as the container 1. They advantageously have at their upper end a quick-release 19, which allows a direct filling of the additive container 8 or 9 after opening.
  • the three hoses are brought together so that there is a hose unit for the user.
  • the three hoses lead to the launcher gun 3.
  • the launcher gun 3 may in particular consist of a commercial launcher gun 3 with trigger 20.
  • it has in the area 21 a support handle, not shown in the drawings for the other hand of the operator.
  • the launcher gun 3, as known from the prior art can have a conversion for full jet spray and another adjustment for a volume reduction of the flow to, for example, 40 or 80 liters per minute.
  • a metering valve 27 is provided at the rear, input side end of the gun 3, a metering valve 27 is provided.
  • the metering valve 27 has a hose-side part 23 and a rotor-side flange 24.
  • two adjustment valves 25 can be seen in the gun-side part 24, in connection with the Fig. 7 will be explained later.
  • the hose-side part 23 and also the gun-side flange 24 are rigidly connected to the launcher gun 3.
  • a rotary ring 22 is provided in the illustrated embodiment.
  • either only water in the launcher gun can be transmitted or added water with additive I from container 8, or water with additive II from container 9. It is in the in The embodiment illustrated in the drawings by an example, which is advantageous, but can also be configured in another form. It is essential that either the water from the container 1 or the said water mixed with the additive I or the said water mixed with the additive II occurs through the inlet designated by the reference numeral 30 in the launcher gun 3. The merger of the individual ingredients should be provided only in or adjacent to the gun 3.
  • the Fig. 5 shows a plan view of the shim of the metering valve 27 after Fig. 4 along the line VV and the Fig. 6 shows a plan view of the lower portion of the metering valve 27 after Fig. 4 along the line VI-VI.
  • the rotary ring 22 is provided with an easy to handle and easy to operate with gloves outer contour 31.
  • the function of the rotary ring 22 is simpler in connection with the Fig. 7 to explain.
  • the reference numeral 32 four screws are designated, via which the housing is screwed. These screws protrude from the section of the gun-side flange 24 into the space in which the metering valve 27 is arranged.
  • a Verrasttation in particular with a lockable Verrasttation 34, which are realized for example by locking pins, in particular by resilient pressure pins.
  • a through opening 35 is provided which is advantageously round and has a diameter which corresponds to the inflow of the additive hose I or II and the outflow cross-section 36 in the metering valve 22 equivalent.
  • the tightness with respect to the central flow 26 is achieved by screwing the hose-side part 23 to the rotor-side flange 24. Therefore, in the Fig. 5 and 6 the corresponding central portion of the hose-side part 23 is located.
  • the tightness with respect to the two sections 23 and 24 of the metering valve 22 is achieved via respective top and bottom of the ring arranged sealing rings 37, which are embedded in corresponding grooves in the metering valve 22.
  • the tightness to the outside is ensured by O-rings 38, which are arranged around the three openings 39, 40, 41.
  • the openings 39 and 41 which are connected to the hoses to the additives I and II, on the solid material of the metering valve 22.
  • the opening 35 comes in alignment with the one opening 39 and the associated additive can flow through the opening 35 in the drain 36, which is then united in the flange 24 with the central opening 43 and is rapidly distributed by this turbulent introduction in the thrower beam.
  • the opening 35 comes in register with the other opening 41 and the associated additive can flow through the opening 35 in another drain 36, which then in the flange 24 with the central opening 43rd is unified and is distributed by this turbulent introduction quickly in the thrower beam.
  • the outflow may be a hole provided parallel to the main axis of the thrower, which then passes into the central feed 43 via a radial bore 42.
  • a metering valve 25 is inserted, for example screwed with a fine thread.
  • two additive containers 8 and 9 of 500 ml each capacity are provided.
  • these containers are also in contact with the metering valve 22 at the operating pressure of, for example, between 25 and 35 bar.
  • the additives may be, on the one hand, an irritating gas and, on the other hand, a quenching additive.
  • a bar volume of 385 liters is required for an operating pressure of, for example, 35 bar.
  • a bar volume of 400 liters is a sufficient dimensioning.
  • the refill closure 4 of the water container preferably comprises the vent valve, so that after opening the pressure reducing valve 12 before use, after use, with or without the use of the launcher gun 3, the pressure can be vented through this vent valve. In this case, not only the pressure in the water tank 1 is reduced but also in the additive containers 8 and 9.
  • the compressed gas cylinder 2 can be replaced, the quick release 4 of the water tank 1 are opened and water are refilled. The areas mentioned here are then free from additive residues. Only the area of the launcher-pistol 3, in particular the outlet, is contaminated with the active substance used.
  • the additive containers 8 and 9 also include a quick-release opening 19 so that they can easily be replaced are fillable. If they are filled with water, the remaining active ingredient can be disposed of in a simple and safe manner via the launcher gun.
  • the quick couplings 16 and 17 or the corresponding couplings under the water tank 1 are preferably designed differently to allow a defined assignment of the additive container 8 and 9. Then match as possible only color-coded container 8 on the quick coupling 16 and the container 9 can only be connected to the quick connector 17. This also allows for the use of irritant-resistant material in a quick coupling, while providing simpler material for these couplings and the hose system for the additive container intended for extinguishing additives.
  • This is shown schematically in this figure by the reference numerals 50 and 51.
  • this can in each case be a Plexiglas cover.
  • Essential is the protection of the carrier 60 and the device from unintentional manipulation.
  • the covers 50 and 51 may be fastened to the water container 1 either by quick-release fasteners, advantageously the quick-release fasteners are arranged in the region 52 of the backpack of the carrier 60 between the device and the carrier, so that the device can not be manipulated without removing the backpack ,
  • the covers 50 and 51 can also be slid on dovetail-like tongue and groove connections on the elongated bottle 1 in the longitudinal direction, and then secured against displacement by a closure in succession.
  • the cover of the main container is in particular by means of a quick release removable for immediate access to cartridge cartridges.
  • the metering valve 22 does not have to be rotationally symmetrical.
  • Essential is the separate supply of the additive I or II and the water to the launcher gun 3 to make the area of the water tank of the additives substantially free of contamination.
  • the launcher gun 3 can be seen on the right arm 61 of the carrier 60 of the device.
  • the Fig. 9 shows a schematic side view of the flange deflection of the device and the associated Fig. 10 a schematic bottom view of this flange deflection.
  • An element of the efficiency of the device lies in the achievable injection range, which simplifies the use of additives, since the application directed towards humans over a distance of, for example, greater than 10 meters, an additive effect limiting scattering occurs. It is possible with the use of a flange deflection 70, to achieve a working width of 25 meters.
  • this width is also accessible in particular with the portable or rollable fire extinguisher with a pressure-tight closed water tank 1 and an externally connectable compressed gas cylinder 2 and with a connected by means of a rigid hose with the water tank 1 spray nozzle 3 for generating a water jet, if no additives supplied or the device is designed as a pure water dispenser and has no additive container. Even then, the achievement of widths of for example 25 meters with such a portable device is desirable.
  • a flange deflection 70 is provided at the bottom of the water tank 1, at which said dimensionally stable hose is attached.
  • the flange deflection 70 is advantageously made of a one-piece element made of metal, which consists of an approximately L-shaped tubular element with two arms 71, 72. A first arm 71 of the L's is fastened with a flange 73 on the underside of the water tank 1, in particular in the middle. The central attachment allows optimal drainage of the water contained in the water tank 1.
  • the second arm 72 of the flange deflection now has a connection 74 for said rigid tube.
  • the inner diameter is about 12 to 12.7 millimeters (for example, 1 ⁇ 2 inch).
  • the radius of curvature of the flange deflection 70, 71, 72 selected so that the height of the flange deflection is less than twice or three times the inner diameter of the rigid tube.
  • the flange deflection 70 is only about 2 to 8 inches above the lower edge of the water tank 1, so that from the Fig. 1 or 2 recognizable substructure of the device whose overall height can increase only slightly.
  • the flange deflection implies, as the name implies, that a solid one-piece component is provided, which is best suited for the diversion of the forces occurring during the discharge of water from the container 1.
  • the deflection allows easy mounting of the rigid tube in the horizontal direction (when using the device with the main axis substantially in the vertical direction), so that this for a light and stable on the floor is turned off and that the rigid hose in train on him not the attachment to the water tank 1 to train but only with a shearing force (additional) charged.
  • the flange rotated by 90 degrees, so that easily by two ways of use of the rigid tube by 45 degrees twisted can be achieved on both sides of pointing to the user of the device route, which allows a removal of the rigid tube right or left of the user.
  • hoses and in particular their connections to the arm 72 may be provided.
  • a hose would be used with, for example, in the arm 72 reaching portion in the similar line 78 in Fig. 9 the tube would be attached outside and the diameter narrowed a little in the longer arm 72.
  • the arm 71 terminates advantageously on shock to the water tank 1 and the inner diameter 79 of the arm 71 advantageously corresponds to the hole diameter in the bottom of the water tank.
EP07150017A 2006-12-13 2007-12-13 Extincteur d'incendie à eau à haute pression portatif Withdrawn EP1935458A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07150017A EP1935458A1 (fr) 2006-12-13 2007-12-13 Extincteur d'incendie à eau à haute pression portatif

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06126038A EP1932566B1 (fr) 2006-12-13 2006-12-13 Extincteur d'incendie à eau à haute pression portatif
EP07150017A EP1935458A1 (fr) 2006-12-13 2007-12-13 Extincteur d'incendie à eau à haute pression portatif

Publications (1)

Publication Number Publication Date
EP1935458A1 true EP1935458A1 (fr) 2008-06-25

Family

ID=39420616

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07150017A Withdrawn EP1935458A1 (fr) 2006-12-13 2007-12-13 Extincteur d'incendie à eau à haute pression portatif

Country Status (1)

Country Link
EP (1) EP1935458A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2933622A1 (fr) * 2008-07-11 2010-01-15 Eurofeu Sa Extincteur a pression permanente
EP2425876A1 (fr) 2010-09-06 2012-03-07 Certech Asbl Extincteur à réservoirs pour additifs
WO2012006988A3 (fr) * 2010-06-04 2013-05-10 Hne Technologie Ag Extincteur à eau/mousse à réglage de la consistance de la mousse
EP2883577A1 (fr) * 2013-12-13 2015-06-17 Eurofeu Societe Anonyme Module d'additif pour extincteur et extincteur équipé d'un tel moule

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551919A (en) * 1946-07-23 1951-05-08 Cardox Corp Method of extinguishing or preventing fires
FR2421632A1 (fr) * 1977-10-24 1979-11-02 Commissariat Energie Atomique Extincteur a poudre
EP0841078A2 (fr) 1996-11-12 1998-05-13 Anton Neumeir Extincteur d'incendie utilisant de l'eau à haute pression
DE19937755A1 (de) * 1999-08-10 2001-03-08 Anton Neumeir Leichtes Kombi-Löschgerät
DE10231740B3 (de) 2002-07-13 2004-04-08 Bundesrepublik Deutschland, vertreten durch das Bundesministerium der Verteidigung, dieses vertreten durch das Bundesamt für Wehrtechnik und Beschaffung Handfeuerlöscher
DE202005010596U1 (de) * 2005-07-04 2005-09-22 Feuerschutz Jockel Gmbh & Co. Kg Feuerlöscher, insbesondere Handfeuerlöscher
EP1695743A1 (fr) * 2005-02-28 2006-08-30 Usines Desautel Extincteur d'incendie à eau pourvu d'un réservoir remplaçable pour additif

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551919A (en) * 1946-07-23 1951-05-08 Cardox Corp Method of extinguishing or preventing fires
FR2421632A1 (fr) * 1977-10-24 1979-11-02 Commissariat Energie Atomique Extincteur a poudre
EP0841078A2 (fr) 1996-11-12 1998-05-13 Anton Neumeir Extincteur d'incendie utilisant de l'eau à haute pression
DE19937755A1 (de) * 1999-08-10 2001-03-08 Anton Neumeir Leichtes Kombi-Löschgerät
DE10231740B3 (de) 2002-07-13 2004-04-08 Bundesrepublik Deutschland, vertreten durch das Bundesministerium der Verteidigung, dieses vertreten durch das Bundesamt für Wehrtechnik und Beschaffung Handfeuerlöscher
EP1695743A1 (fr) * 2005-02-28 2006-08-30 Usines Desautel Extincteur d'incendie à eau pourvu d'un réservoir remplaçable pour additif
DE202005010596U1 (de) * 2005-07-04 2005-09-22 Feuerschutz Jockel Gmbh & Co. Kg Feuerlöscher, insbesondere Handfeuerlöscher

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2933622A1 (fr) * 2008-07-11 2010-01-15 Eurofeu Sa Extincteur a pression permanente
WO2012006988A3 (fr) * 2010-06-04 2013-05-10 Hne Technologie Ag Extincteur à eau/mousse à réglage de la consistance de la mousse
EP2425876A1 (fr) 2010-09-06 2012-03-07 Certech Asbl Extincteur à réservoirs pour additifs
BE1019473A3 (fr) * 2010-09-06 2012-07-03 Certech Asbl Extincteur a reservoirs pour additifs.
EP2666519A2 (fr) 2010-09-06 2013-11-27 Certech Asbl Extincteur à réservoirs pour additifs
EP2883577A1 (fr) * 2013-12-13 2015-06-17 Eurofeu Societe Anonyme Module d'additif pour extincteur et extincteur équipé d'un tel moule
WO2015086937A1 (fr) * 2013-12-13 2015-06-18 Eurofeu Module d'additif pour extincteur et extincteur équipe d'un tel module
FR3014697A1 (fr) * 2013-12-13 2015-06-19 Eurofeu Module d'additif pour extincteur et extincteur equipe d'un tel module
CN105980016A (zh) * 2013-12-13 2016-09-28 欧洲消防车和消防设备制造商委员会 用于灭火器的添加剂模块以及设有该模块的灭火器
CN105980016B (zh) * 2013-12-13 2018-12-14 欧洲消防车和消防设备制造商委员会 用于灭火器的添加剂模块以及设有该模块的灭火器

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