DE102010048080A1 - Fragmented nozzle pipe for firefighting of live object, has deflector dividing water-full jet leaving nozzle into deflected and non-deflected fragments, where deflected fragments are bypassed and sprayed behind deflector in jet direction - Google Patents

Fragmented nozzle pipe for firefighting of live object, has deflector dividing water-full jet leaving nozzle into deflected and non-deflected fragments, where deflected fragments are bypassed and sprayed behind deflector in jet direction Download PDF

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Publication number
DE102010048080A1
DE102010048080A1 DE201010048080 DE102010048080A DE102010048080A1 DE 102010048080 A1 DE102010048080 A1 DE 102010048080A1 DE 201010048080 DE201010048080 DE 201010048080 DE 102010048080 A DE102010048080 A DE 102010048080A DE 102010048080 A1 DE102010048080 A1 DE 102010048080A1
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Germany
Prior art keywords
deflected
fragments
deflector
jet
nozzle
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DE201010048080
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German (de)
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Anmelder Gleich
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Individual
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Individual
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Priority to DE201010048080 priority Critical patent/DE102010048080A1/en
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    • 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
    • A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa

Abstract

The pipe has a rotary deflector dividing water-full jet leaving a nozzle into deflected and non-deflected fragments. The deflected fragments are bypassed and sprayed behind the deflector in a primary jet direction. An impeller (6) rotates behind a nozzle (4). Blades (5) of the impeller cut in the jet. The deflected fragments blows up a deflection wall (8), which deflects the deflected fragments in a primary shooting direction of the nozzle. The non deflected fragments are ahead closed. A hand brake (14) blocks the impeller in a position.

Description

Bei der Brandbekämpfung eines spannungsführenden Objektes kann ein ununterbrochener Wasser-Vollstrahl eine elektrisch Verbindung zwischen dem Objekt und dem Strahlrohr der Feuerwehr bilden, und den Feuerwehrmann gefährden, der das Strahlrohr hält. Ein Sprühstrahl bildet keine elektrische Verbindung, ist aber in der Löschwirkung wesentlich schwächer.When firefighting a live object, a continuous stream of solid water can form an electrical connection between the object and the fire tube of the fire brigade and endanger the firefighter who holds the jet. A spray does not form an electrical connection, but is much weaker in the extinguishing effect.

Um die Lösch-Vorteile eines Vollstrahls zu nutzen und eine elektrische Verbindung über den Strahl zu vermeiden, wird erfindungsgemäß vorgeschlagen, dass der von der Düse kommenden Wasser-Vollstrahl von einem rotierenden Strahlablenker in abgelenkte und nicht abgelenkte Fragmente aufgeteilt wird. Die nicht abgelenkten Fragmente verlassen das Strahlrohr als geschlossene Stäbe. Wenn diese kurz genug sind, kann über sie keine elektrische Verbindung stattfinden.In order to use the extinguishing advantages of a full jet and to avoid electrical connection via the jet, it is proposed according to the invention that the water full jet coming from the jet be divided into deflected and undeflected fragments by a rotating jet deflector. The undeflected fragments leave the jet as closed rods. If these are short enough, no electrical connection can take place over them.

Um so kurze Fragmente zu bekommen, muß der von der Düse kommende Vollstrahl in einer Sekunde mehrmals umgelenkt werden. Das schafft kein gesteuertes Ventil vor der Düse. Deshalb wird hierfür erfindungsgemäß ein rotierender Strahlablenker hinter der Düse vorgeschlagen.In order to get such short fragments, the full jet coming from the nozzle must be deflected several times in one second. This does not create a controlled valve in front of the nozzle. Therefore, according to the invention, a rotating beam deflector behind the nozzle is proposed for this purpose.

Die auf den Strahlablenker wirkende Umlenk Kraft pulsiert mit der Umlenkfrequenz. Sie wird ausgeglichen durch die erfindungsgemäß vorgeschlagene zweite Umlenkung. Damit ist die auf das Strahlrohr wirkende Rückstoßkraft bei der Umlenkung ungefähr so groß wie bei der Nicht Umlenkung. Dadurch wird der Feuerwehrmann von heftigen Rüttelkräften verschont.The deflection force acting on the beam deflector pulses with the deflection frequency. It is compensated by the inventively proposed second deflection. Thus, the force acting on the jet pipe recoil force at the deflection is about as large as in the non-deflection. As a result, the fireman is spared from violent shaking.

Das umgelenkte Fragment wird vom Strahlumlenker in eine Kammer geschossen. Dort fließt es an einer Wand als dünner, breiter Fluß. Es wird durch Lufteinsaugung und Rippengitter verwirbelt und zu einem Sprühstrahl ungeformt, der wenige Meter hinter der Mündung des Strahlrohres zum Erliegen kommt.The deflected fragment is shot by the beam deflector into a chamber. There it flows on a wall as a thin, broad river. It is swirled by air intake and rib grid and shaped into a spray jet, which comes to a stop a few meters behind the mouth of the jet pipe.

Der Rotor des Strahlumlenkers soll durch einen Wassermotor angetrieben werden. Das kann ein Verdrängermotor sein oder eine Turbine. Beide werden von einem kleinen, abgezweigten Wasserstrom angetrieben, der mit einer Drossel eingestellt wird.The rotor of the beam deflector is to be driven by a water engine. This can be a positive displacement motor or a turbine. Both are driven by a small, branched water flow, which is set with a throttle.

Wenn der Rotor eine manuell bedienbare Verriegelung hat, kann der Feuerwehrmann vor Ort an dem fragmentierenden Strahlrohr auch einen ununterbrochenen Vollstrahl einstellen.If the rotor has a manually operable lock, the firefighter can also set an uninterrupted full jet spot on the fragmenting jet pipe.

Claims (2)

Strahlrohr zur Brandbekämpfung, gekennzeichnet dadurch, dass der die Düse verlassende Wasser-Vollstrahl von einem rotierenden Strahlablenker in abgelenkte und nicht abgelenkte Fragmente aufgeteilt wird.Fire-fighting jet pipe, characterized in that the jet of water leaving the nozzle is divided by a rotating jet deflector into deflected and undeflected fragments. Strahlrohr nach Anspruch 1, gekennzeichnet dadurch, dass die abgelenkten Fragmente hinter dem Strahlablenker in die ursprüngliche Strahlrichtung umgelenkt und versprüht werdenBeam pipe according to claim 1, characterized in that the deflected fragments are deflected behind the beam deflector in the original beam direction and sprayed
DE201010048080 2010-10-09 2010-10-09 Fragmented nozzle pipe for firefighting of live object, has deflector dividing water-full jet leaving nozzle into deflected and non-deflected fragments, where deflected fragments are bypassed and sprayed behind deflector in jet direction Withdrawn DE102010048080A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE201010048080 DE102010048080A1 (en) 2010-10-09 2010-10-09 Fragmented nozzle pipe for firefighting of live object, has deflector dividing water-full jet leaving nozzle into deflected and non-deflected fragments, where deflected fragments are bypassed and sprayed behind deflector in jet direction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010048080 DE102010048080A1 (en) 2010-10-09 2010-10-09 Fragmented nozzle pipe for firefighting of live object, has deflector dividing water-full jet leaving nozzle into deflected and non-deflected fragments, where deflected fragments are bypassed and sprayed behind deflector in jet direction

Publications (1)

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DE102010048080A1 true DE102010048080A1 (en) 2012-04-19

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DE201010048080 Withdrawn DE102010048080A1 (en) 2010-10-09 2010-10-09 Fragmented nozzle pipe for firefighting of live object, has deflector dividing water-full jet leaving nozzle into deflected and non-deflected fragments, where deflected fragments are bypassed and sprayed behind deflector in jet direction

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012200270A1 (en) * 2012-01-11 2013-07-11 Boris BRAUN Process for firefighting photovoltaic systems
DE102012016007A1 (en) * 2012-08-11 2014-02-13 Dieter Mühlenbruch Hollow nozzle for fire fighting, has hollow jet nozzle in which axially movable cone shaped beam is placed in jet and spray jet positions and is moved by crank mechanism alternately in rapid succession from jet to spray jet positions
DE102020113194A1 (en) 2020-05-15 2021-11-18 Bender Gmbh & Co. Kg Device for dispensing extinguishing agent

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH620832A5 (en) * 1977-06-22 1980-12-31 Linus Maeder Jet pipe with an attachment
US6419166B1 (en) * 2000-04-28 2002-07-16 Stan F. Brzezinski Dispenser to liquid stream

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH620832A5 (en) * 1977-06-22 1980-12-31 Linus Maeder Jet pipe with an attachment
US6419166B1 (en) * 2000-04-28 2002-07-16 Stan F. Brzezinski Dispenser to liquid stream

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012200270A1 (en) * 2012-01-11 2013-07-11 Boris BRAUN Process for firefighting photovoltaic systems
WO2013104702A3 (en) * 2012-01-11 2014-06-26 Boris Braun Method for fire-fighting at photovoltaic systems
DE102012200270B4 (en) 2012-01-11 2019-03-07 Boris BRAUN Process for firefighting photovoltaic systems
DE102012016007A1 (en) * 2012-08-11 2014-02-13 Dieter Mühlenbruch Hollow nozzle for fire fighting, has hollow jet nozzle in which axially movable cone shaped beam is placed in jet and spray jet positions and is moved by crank mechanism alternately in rapid succession from jet to spray jet positions
DE102020113194A1 (en) 2020-05-15 2021-11-18 Bender Gmbh & Co. Kg Device for dispensing extinguishing agent
CN113663267A (en) * 2020-05-15 2021-11-19 本德尔有限两合公司 Fire extinguishing agent discharging device
DE102020113194B4 (en) 2020-05-15 2022-01-05 Bender Gmbh & Co. Kg Device for dispensing extinguishing agent
US11654315B2 (en) 2020-05-15 2023-05-23 Bender Gmbh & Co. Kg Device for discharging extinguishing agent

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R016 Response to examination communication
R120 Application withdrawn or ip right abandoned

Effective date: 20131123