ES2400467A2 - Automatic fire extinguishing system in extractor campanas (Machine-translation by Google Translate, not legally binding) - Google Patents

Automatic fire extinguishing system in extractor campanas (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2400467A2
ES2400467A2 ES201000939A ES201000939A ES2400467A2 ES 2400467 A2 ES2400467 A2 ES 2400467A2 ES 201000939 A ES201000939 A ES 201000939A ES 201000939 A ES201000939 A ES 201000939A ES 2400467 A2 ES2400467 A2 ES 2400467A2
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ES
Spain
Prior art keywords
extinguishing system
fire extinguishing
automatic fire
extractor
tube
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
ES201000939A
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Spanish (es)
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ES2400467B1 (en
ES2400467R1 (en
Inventor
Manuel JIMENEZ SUBIRES
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Individual
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Individual
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Priority to ES201000939A priority Critical patent/ES2400467B1/en
Publication of ES2400467A2 publication Critical patent/ES2400467A2/en
Publication of ES2400467R1 publication Critical patent/ES2400467R1/en
Application granted granted Critical
Publication of ES2400467B1 publication Critical patent/ES2400467B1/en
Withdrawn - After Issue legal-status Critical Current
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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/006Fire prevention, containment or extinguishing specially adapted for particular objects or places for kitchens or stoves
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C35/00Permanently-installed equipment
    • A62C35/02Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/10Containers destroyed or opened by flames or heat
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C35/00Permanently-installed equipment
    • A62C35/58Pipe-line systems
    • A62C35/64Pipe-line systems pressurised
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C35/00Permanently-installed equipment
    • A62C35/58Pipe-line systems
    • A62C35/68Details, e.g. of pipes or valve systems

Abstract

Automatic fire extinguishing system in extractor hoods. It consists of a watertight compartment inside the extractor hood located independently of the smoke aspiration inlet cavity containing a foam concentrate inside it. A steel tube is attached to one end of the extinguisher where said foam is coming out. A second tube made of steel is joined to the end of the previous one by means of a flexible sleeve. This tube contains a through valve and a non-return valve. At the end of the bell is a registration door. The second tube ends in sprinkler heads with elbows that place said heads in the same plane as the hood filters. Such sprinkler heads are located vertically. The extinguishing system has a presostatic valve communicated with a siren that is activated to the existence of fire. (Machine-translation by Google Translate, not legally binding)

Description

PRIMER CERTIFICADO DE ADICIÓN A LA PATENTE PRINCIPAL FIRST CERTIFICATE OF ADDITION TO THE MAIN PATENT

P200902070 SISTEMA DE EXTINCION DE INCENDIOS EN CAMPANAS P200902070 FIRE EXTINGUISHING SYSTEM IN BELLS

EXTRACTORAS EXTRACTORS

La presente invención incluye mejoras y ampliaciones de la The present invention includes improvements and extensions of the

5 5
patente principal referida a un sistema de extinción de incendios en main patent referring to a fire extinguishing system in

campanas constituido a partir de la instalación en el interior de éstas de bells constituted from the installation inside these of

un extintor de incendios portátil en cuyo extremo se localiza una a portable fire extinguisher at the end of which is located

manguera de acero que termina en cada uno de las cabezas rociadoras steel hose that ends at each of the spray heads

que la campana posee. Dichas cabezas rociadoras se encuentran that the bell has. These spray heads are found

1 O 1 o
orientadas verticalmente y dirigidas hacia los distintos fuegos, planchas, oriented vertically and directed towards the different fires, plates,

marmitas y máquinas que se encuentren bajo la campana. De esta kettles and machines that are under the hood. This

manera al llegar a los rociadores térmicos o Esprriklers una temperatura way to reach the thermal sprinklers or Esprriklers a temperature

igual o superior a noventa y tres grados centígrados los extintores equal to or greater than ninety-three degrees Celsius extinguishers

descargan el contenido sobre la dirección del fuego gracias al download the content about the direction of the fire thanks to

15 fifteen
calentamiento del fusible producida por el calor y a la consecuente fuse heating produced by heat and consequent

liberación de espumógeno. Así, se puede controlar el fuego de una foam release. Thus, you can control the fire of a

manera automática y rápida. Al ser su fuente de energra el gas, se automatic and fast way. Being its source of energra gas, it

encuentra activo las veinticuatro horas del dia y durante todos los días del is active twenty-four hours a day and every day of the

año con independencia de que se corte el suministro eléctrico. year regardless of the power supply being cut.

20 twenty
La patente principal tiene su campo de aplicación en las The main patent has its scope in the

instalaciones fijas contra incendios y, dentro de éstas, de las instalaciones fixed installations against fires and, within these, of the installations

contra incendios en cocinas against fire in kitchens

Asi, la patente principal se constituye a partir de un hogares privados ya de hostelería en donde se encuentran los Thus, the main patent is constituted from a private homes and hospitality where the

compartimiento estanco en el interior de la campana extractora situado watertight compartment inside the extractor hood located

independientemente de la cavidad de entrada de aspiración o expulsión regardless of the intake cavity of aspiration or expulsion

de humos de la misma constituido a partir de un extintor conteniendo en of fumes of the same constituted from an extinguisher containing in

5 5
su interior un espumógeno. Un tubo de acero recubierto de un material a foam inside. A steel tube coated with a material

adecuado para sistemas contra incendios se encuentra unido a uno de suitable for fire systems is attached to one of

los extremos del extintor por donde sale dicho espumógeno. Un segundo the ends of the fire extinguisher through which said foam. One second

tubo elaborado en acero regio se une al extremo del anterior mediante un tube made of regal steel is attached to the end of the previous one by a

manguito flexible. Este tubo contiene una válvula de paso y otra de flexible sleeve This tube contains a stop valve and one of

lO the
antirretorno. En el extremo de la campana y por el exterior se encuentra non-return At the end of the bell and outside is

una puerta de registro, al lado de donde se localiza lo anteriormente a registration door, next to where the above is located

descrito. El segundo tubo termina en cabezas rociadoras mediante codos described The second tube ends in spray heads by elbows

que sitúan a dichas cabezas en el mismo plano de los filtros de la which place these heads in the same plane of the filters of the

campana. Se encuentran dichas cabezas rociadoras situadas Bell. These spray heads are located

15 fifteen
verticalmente de forma que el espumógeno se dirige a cada uno de los vertically so that the foam is directed to each of the

fuegos o puntos de calor. Las cabezas rociadoras contienen un fusible fires or heat points. Spray heads contain a fuse

que al recibir el calor de noventa y tres grados se derriten y permiten la that upon receiving the heat of ninety-three degrees melt and allow the

salida del espumógeno. foam outlet.

Los inconvenientes que presenta la patente principal son los The drawbacks presented by the main patent are the

20 twenty
siguientes: following:

El hecho de no constar de una alarma y detección de gases Failure to consist of an alarm and gas detection

mediante una fuente eléctrica no aborda ni soluciona en su by means of an electrical source it does not address or solve in its

totalidad el problema del aviso de incendio en la cocina ya de    the whole problem of the fire warning in the kitchen since

focos de calor de las cocinas. heat sources of the kitchens.

No existe un control de la presión del sistema que garantice su There is no system pressure control that guarantees your

buen funcionamiento. good performance.

5 5
Los mencionados inconvenientes se solucionan con las siguientes The mentioned inconveniences are solved with the following

adiciones: additions:

ADICION 1.-. Con esta primera adición se consigue que las ADDITION 1.-. With this first addition you get that

personas que ocupan el local de hostelería puedan evacuar el people who occupy the hospitality premises can evacuate the

mismo en caso de incendio ya que se incorpora una alarma same in case of fire since an alarm is incorporated

1O 1O
acústica que avisa mediante sonido inmediatamente que comienza acoustic that warns by sound immediately beginning

a producirse el mismo. El incendio nunca se comienza desarrollar to occur the same. The fire never begins to develop

de igual forma por eso es necesario extinguirlo antes que en su in the same way that is why it is necessary to extinguish it before its

devenir pueda provocar perdidas humanas. becoming can cause human loss.

Consiste en la incorporación en los tubos que conectan el extintor y It consists of incorporating the tubes that connect the extinguisher and

15 fifteen
las cabezas rociadoras de una válvula presostática comunicada the spray heads of a communicated pressure switch

con una sirena piezoeléctrica de bajo consumo y un portabaterias with a low-power piezoelectric siren and a battery holder

de baterías especiales para alarmas. La pérdida de presión en las of special batteries for alarms. Loss of pressure in the

tuberías es detectada por la válvula cerrando un circuito que activa pipes is detected by the valve closing a circuit that activates

la sirena piezoeléctrica. The piezoelectric siren.

20 twenty
ADICION 2.-Con esta segunda adición se consigue controlar el ADDITION 2.-With this second addition you can control the

estado de todo el sistema entire system status

Consiste en la incorporación de una válvula presostática It consists of the incorporation of a pressure switch

comunicada a un avisador luminoso y un portabaterias de baterías    communicated to a warning light and a battery holder

especiales para alarmas. La válvula presostática detecta una Special for alarms. The pressure switch detects a

pérdida de presión y activa la sirena que avisa al usuario del mal pressure loss and activates the siren that warns the user of evil

estado del sistema. system status

Así, la patente principal se constituye a partir de un Thus, the main patent is constituted from a

5 5
compartimiento estanco en el interior de la campana extractora situado watertight compartment inside the extractor hood located

independientemente de la cavidad de entrada de aspiración o expulsión regardless of the intake cavity of aspiration or expulsion

de humos de la misma constituido a partir de un extintor conteniendo en of fumes of the same constituted from an extinguisher containing in

su interior un espumógeno. Un tubo de acero recubierto de un material a foam inside. A steel tube coated with a material

adecuado para sistemas contra incendios se encuentra unido a uno de suitable for fire systems is attached to one of

1 O 1 o
los extremos del extintor por donde sale dicho espumógeno. Un segundo the ends of the fire extinguisher through which said foam. One second

tubo elaborado en acero regio se une al extremo del anterior mediante un tube made of regal steel is attached to the end of the previous one by a

manguito flexible. Este tubo contiene una válvula de paso y otra de flexible sleeve This tube contains a stop valve and one of

antirretorno. En el extremo de la campana y por el exterior se encuentra non-return At the end of the bell and outside is

una puerta de registro, al lado de donde se localiza lo anteriormente a registration door, next to where the above is located

15 fifteen
descrito. El segundo tubo termina en cabezas rociadoras mediante codos described The second tube ends in spray heads by elbows

que sitúan a dichas cabezas en el mismo plano de los filtros de la which place these heads in the same plane of the filters of the

campana. Se encuentran dichas cabezas rociadoras situadas Bell. These spray heads are located

verticalmente de forma que el espumógeno se dirige a cada uno de los vertically so that the foam is directed to each of the

fuegos o puntos de calor. Las cabezas rociadoras contienen un fusible fires or heat points. Spray heads contain a fuse

20 twenty
que al recibir el calor de noventa y tres grados se derriten y permiten la that upon receiving the heat of ninety-three degrees melt and allow the

salida del espumógeno.    foam outlet.

En otra realización se localiza en su interior un sistema de In another embodiment a system of localization is located inside

ionización a través de una renovación de aire que vuelve a introducir ionization through an air renewal that reintroduces

dicho aire pero ya libre de humos, olores y bacterias. said air but now free of smoke, odors and bacteria.

En otra realización distinta se dota al sistema de una alarma y In another different embodiment, the system is provided with an alarm and

5 5
detección de gases mediante una fuente eléctrica. Gas detection by an electrical source.

Otra forma de realización es la Incorporación de una válvula Another embodiment is the incorporation of a valve

presostática comunicada con una sirena piezoeléctrica de bajo consumo y presostatic communicated with a piezoelectric siren of low consumption and

un portabaterias de baterías especiales para alarmas localizándose en los a special battery holder for alarms located in the

tubos que conectan el extintor y las cabezas rociadoras de forma que la tubes that connect the extinguisher and spray heads so that the

1o 1st
pérdida de presión en las tuberías es detectada por la válvula cerrando un loss of pressure in the pipes is detected by the valve by closing a

circuito que activa la sirena piezoeléctrica avisando de forma acústica del circuit that activates the piezo sounder acoustically warning the

comienzo del incendio. fire start

En otra forma distinta la misma válvula presostática se comunica a In a different way the same pressure switch communicates to

un avisador luminoso detectando pérdidas de presión y activando, en a warning light detecting pressure losses and activating, in

15 fifteen
caso de que ocurra, un luminoso que avisa al usuario del mal estado del in the event that it occurs, a light that warns the user of the poor state of

sistema. system.

Para una mejor comprensión de cuanto se expresa en esta For a better understanding of how much is expressed in this

memoria descriptiva se acompaña a continuación un dibujo que a modo Descriptive memory is attached below a drawing that by way

de ejemplo no limitativo representa un modo de realización preferida y su non-limiting example represents a preferred embodiment and its

20 twenty
funcionamiento. functioning.

Figura 1.-Vista frontal del extintor y los tubos en el interior de la Figure 1.-Front view of the extinguisher and the tubes inside the

campana extractora. extractor hood.

los elementos numerados corresponden a:    The numbered items correspond to:

1) Compartimiento estanco 2) Campana extractora 3) Cavidad de aspiración 4) Extintor portátil 1) Waterproof compartment 2) Extractor hood 3) Suction cavity 4) Portable fire extinguisher

5 5) Espumógeno 6) Tubo de acero recubierto de material 7) Segundo tubo 8) Manguito flexible 9) Válvula de paso. 5 5) Foaming 6) Material coated steel tube 7) Second tube 8) Flexible sleeve 9) Bypass valve.

10 1O) Válvula de antirretomo. 11) Puerta de registro 12)Cabezas rociadoras. 13)Codos o quot;Tquot; 14)Fuegos 10 1O) Check valve. 11) Registration door 12) Spray heads. 13) Elbows or quot; Tquot; 14) Fires

15 15)Fusible 15 15) Fuse

Una realización preferida se constituye a partir de un compartimiento estanco (1) en el interior de la campana extractora (2) situado independientemente de la cavidad (3) de entrada de aspiración o expulsión de humos de la misma constituida a partir de un extintor portátil A preferred embodiment is constituted from a watertight compartment (1) inside the extractor hood (2) located independently of the suction inlet (3) of the suction or exhaust of the same constituted from a portable fire extinguisher


20 (4) conteniendo en su interior un espumógeno (5). Un tubo de acero recubierto de un material adecuado para sistemas contra incendios (6) se encuentra unido a uno de los extremos del extintor (4) por donde sale dicho espumógeno (5). Un segundo tubo (7) elaborado en acero regio se

20 (4) containing within it a foaming agent (5). A steel tube coated with a material suitable for fire protection systems (6) is attached to one of the ends of the fire extinguisher (4) through which said foaming agent (5) comes out. A second tube (7) made of royal steel is

une al extremo del anterior (6) mediante un manguito flexible (8). Este join the end of the previous one (6) by means of a flexible sleeve (8). This

tubo (7) contiene una válvula de paso (9) y otra de antirretorno (10). En el tube (7) contains a stop valve (9) and a non-return valve (10). At

extremo de la campana (2) y por el exterior se encuentra una puerta de end of the bell (2) and on the outside is a door of

registro (11), al lado de donde se localiza lo anteriormente descrito. El record (11), next to where the above described is located. He

5 segundo tubo (7) termina en cabezas rociadoras (12) mediante codos o 5 second tube (7) ends in spray heads (12) by elbows or

quot;T' (13) que sitúan a dichas cabezas (12) en el mismo plano de los filtros quot; T '(13) that place said heads (12) in the same plane of the filters

de la campana. Se encuentran dichas cabezas rociadoras (12) situadas of the Bell. These spray heads (12) are located

verticalmente de forma que el espumógeno (5) se dirige a cada uno de los vertically so that the foam (5) is directed to each of the

fuegos (14) o puntos de calor. Las cabezas rociadoras (12) contienen un 10 fusible (15) que al recibir el calor de noventa y tres grados se derriten y permiten la salida del espumógeno (5). fires (14) or heat points. The spray heads (12) contain a fuse (15) that, upon receiving the heat of ninety-three degrees, melts and allows the foam to escape (5).

Claims (9)

REIVINDICACIONES 1.- Sistema de extinción automático de incendios en campanas extractoras constituido a partir de un compartimento estanco (1) en el interior de la campana extractora (2) situado independientemente de la cavidad (3) de entrada de aspiración o expulsión de humos de la misma, caracterizado por 5 encontrarse constituido por un extintor portátil (4) conteniendo en su interior un espumógeno (5). Un tubo de acero recubierto de un material adecuado para sistemas contra incendios (6) se encuentra unido a uno de los extremos del extintor (4) por donde sale dicho espumógeno (5). Un segundo tubo (7) elaborado en acero regio se une al extremo del anterior (6) mediante un 10 manguito flexible (8). 1.- Automatic fire extinguishing system in extractor hoods constituted from a watertight compartment (1) inside the extractor hood (2) located independently of the cavity (3) of intake of suction or flue gas discharge from the same, characterized by being found to be a portable fire extinguisher (4) containing inside a foam (5). A steel tube coated with a material suitable for fire protection systems (6) is attached to one of the ends of the extinguisher (4) through which said foam (5) comes out. A second tube (7) made of royal steel is attached to the end of the previous one (6) by means of a flexible sleeve (8). 2.- Sistema de extinción de incendios automático en campanas extractoras, según reivindicación 1, caracterizado porque el tubo (7), anteriormente descrito, contiene una válvula de paso (9) y otra de antirretorno (10). 15 2. Automatic fire extinguishing system in extractor hoods, according to claim 1, characterized in that the tube (7), described above, contains a bypass valve (9) and a non-return valve (10). fifteen 3.- Sistema de extinción de incendios automático en campanas extractoras, según reivindicación 1 y 2, caracterizado porque en el extremo de la campana (2) y por el exterior se encuentra una puerta de registro (11), al lado de donde se localiza lo anteriormente descrito. 20 3. Automatic fire extinguishing system in extractor hoods, according to claim 1 and 2, characterized in that at the end of the hood (2) and outside there is a registration door (11), next to where it is located the above described. twenty 4.- Sistema de extinción de incendios automático en campanas extractoras, según reivindicación 1 a 3, caracterizado porque el segundo tubo (7) termina en cabezas rociadoras (12) mediantes codos o “T” (13) que sitúan a dichas cabezas (12) en el mismo plano de los filtros de la campana. 25 4. Automatic fire extinguishing system in extractor hoods, according to claim 1 to 3, characterized in that the second tube (7) ends in spraying heads (12) through elbows or "T" (13) that place said heads (12 ) in the same plane as the hood filters. 25 5.- Sistema de extinción de incendios automático en campanas extractoras, según reinvindicación 1 a 4, caracterizado porque se encuentran dichas cabezas rociadoras (12) situadas verticalmente de forma que el espumógeno (5) se dirige a cada uno de los fuegos (14) o puntos de calor. Las cabezas rociadoras (12) contienen un fusible (15) que al recibir el calor de noventa y tres 30 grados se derriten y permiten la salida del espumógeno (5). 5.- Automatic fire extinguishing system in extractor hoods, according to reinvindication 1 to 4, characterized in that said spray heads (12) are located vertically so that the foam (5) is directed to each of the fires (14) or heat points. The spray heads (12) contain a fuse (15) that, upon receiving the heat of ninety-three 30 degrees, melts and allows the foam to escape (5). 6.- Sistema de extinción de incendios automático en campanas extractoras, según reivindicación 1 a 5, caracterizado porque se localiza en su interior un sistema de ionización a través de una renovación de aire que vuelve a 35 introducir dicho aire pero ya libre de humos, olores y bacterias. 6. Automatic fire extinguishing system in extractor hoods, according to claim 1 to 5, characterized in that an ionization system is located inside through an air renewal that returns to introduce said air but already free of smoke, Smells and bacteria 7.- Sistema de extinción de incendios automático en campanas extractoras, según reinvindicación 1 a 6, caracterizado porque se dota al sistema de una alarma y detección de gases mediante una fuente eléctrica. 40 7.- Automatic fire extinguishing system in extractor hoods, according to reinvindication 1 to 6, characterized in that the system is provided with an alarm and gas detection by means of an electrical source. 40 8.- Sistema de extinción de incendios automático en campanas extractoras, según reinvindicación 1 a 7, caracterizado por la incorporación de una válvula presostática comunicada con una sirena piezoeléctrica de bajo consumo y un portabaterias de baterías especiales para alarmas localizándose en los tubos 45 que conectan el extintor y las cabezas rociadoras de forma que la pérdida de presión en las tuberías es detectada por la válvula cerrando un circuito que activa la sirena piezoeléctrica avisando de forma acústica del comienzo del incendio. 8.- Automatic fire extinguishing system in extractor hoods, according to reinvindication 1 to 7, characterized by the incorporation of a pressure switch communicated with a low-consumption piezoelectric siren and a special battery holder for alarms located in the tubes 45 that connect the extinguisher and the spray heads so that the loss of pressure in the pipes is detected by the valve closing a circuit that activates the piezoelectric siren warning acoustically of the beginning of the fire. 9.- Sistema de extinción de incendios automático en campanas extractoras, según reinvidicación 1 a 8, caracterizado porque la misma válvula presostática se comunica a un avisador luminoso o acústico detectando pérdidas de presión y activando, en caso de que ocurra, un luminoso que avisa al usuario del mal estado del sistema. 55 9.- Automatic fire extinguishing system in extractor hoods, according to reinvidication 1 to 8, characterized in that the same pressure switch communicates to a light or acoustic warning device detecting pressure losses and activating, in the event that it occurs, a warning light to the user of the bad state of the system. 55
ES201000939A 2010-07-05 2010-07-05 AUTOMATIC FIRE EXTINGUISHING SYSTEM IN EXTRACTOR HOODS Withdrawn - After Issue ES2400467B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES201000939A ES2400467B1 (en) 2010-07-05 2010-07-05 AUTOMATIC FIRE EXTINGUISHING SYSTEM IN EXTRACTOR HOODS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201000939A ES2400467B1 (en) 2010-07-05 2010-07-05 AUTOMATIC FIRE EXTINGUISHING SYSTEM IN EXTRACTOR HOODS

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ES2400467A2 true ES2400467A2 (en) 2013-04-10
ES2400467R1 ES2400467R1 (en) 2013-06-06
ES2400467B1 ES2400467B1 (en) 2014-04-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3824957A1 (en) * 2019-11-19 2021-05-26 Captive-Aire Systems, Inc. Commercial kitchen fire suppression system having a pressurized canister containing a fire extinguishing agent which employs internal pressure to actuate the canister

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1265972A (en) * 1985-07-18 1990-02-20 Alan George William Dry Dry sprinkler system
US4773485A (en) * 1987-03-19 1988-09-27 Twenty First Century International Fire Equipment And Services, Corporation Fire extinguishing system for cookstove and ranges
US6059044A (en) * 1998-05-15 2000-05-09 Grinnell Corporation Fire protection sprinkler and deflector
DE19949599A1 (en) * 1999-10-14 2001-04-19 Bsh Bosch Siemens Hausgeraete Extractor hood for kitchen extractor
WO2008154718A1 (en) * 2007-06-21 2008-12-24 3217956 Nova Scotia Limited Portable fire extinguisher with manual and heat-responsive operators

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3824957A1 (en) * 2019-11-19 2021-05-26 Captive-Aire Systems, Inc. Commercial kitchen fire suppression system having a pressurized canister containing a fire extinguishing agent which employs internal pressure to actuate the canister

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ES2400467R1 (en) 2013-06-06

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