WO2021220115A1 - Dispositif de génération de gaz de suppression d'incendie - Google Patents

Dispositif de génération de gaz de suppression d'incendie Download PDF

Info

Publication number
WO2021220115A1
WO2021220115A1 PCT/IB2021/053365 IB2021053365W WO2021220115A1 WO 2021220115 A1 WO2021220115 A1 WO 2021220115A1 IB 2021053365 W IB2021053365 W IB 2021053365W WO 2021220115 A1 WO2021220115 A1 WO 2021220115A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas generating
foil
grains
fire suppressing
grain
Prior art date
Application number
PCT/IB2021/053365
Other languages
English (en)
Inventor
Mihails KUZMICS
Mikelis LAPSE
Normunds NEBOJS
Original Assignee
N2 Global, Sia
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 N2 Global, Sia filed Critical N2 Global, Sia
Publication of WO2021220115A1 publication Critical patent/WO2021220115A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C5/00—Making of fire-extinguishing materials immediately before use
    • A62C5/006—Extinguishants produced by combustion

Definitions

  • [001] Invention relates to fire suppressing gas generating devices, especially to ignition and reaction control of gas generating grains.
  • Prior art includes multiple fire suppressing gas generating devices.
  • United States patent publication No. 7,832,493 that discloses a fire suppression device including a fire suppression agent generator.
  • a container surrounds the fire suppression agent generator and includes a discharge port that directs fire suppression agent in at least two opposed directions.
  • the discharge port extends substantially around a perimeter of the container.
  • the aim of invention is to design a fire suppressing gas generating devices where the reaction of gas generating grains may be controlled. If the gas generating grains react too fast an excessive pressure is generated within the fire suppressing gas generating devices and the device may explode. If the gas generating grains react too slow a reduced outflow of gas is generated decreasing fire suppressing effectiveness. Therefore, it is necessary to find a way how to control a chemical reaction process of the gas generating grains in order to control a discharge time of the fire suppressing gas generating device.
  • a fire suppressing gas generating device wherein it comprises a cylindrical housing having two open sides and at least one discharge opening.
  • the cylindrical housing is sealed by closing its two open sides by two end caps, each end cap for each open side.
  • the fire suppressing gas generating device further comprises a plurality of gas generating grains disposed in a stacked relationship within the housing and a filter encompassing the plurality of the gas generating grains.
  • the device further comprises an ignitor positioned at one of the end caps, wherein said end cap may be designated as an ignitor cap.
  • the ignitor is also associated with the gas generating grain for ignition of said gas generating grain.
  • the fire suppressing gas generating device characterized in that it further comprises at least one foil positioned between two gas generating grains.
  • the foil is disposed between one end surface and another end surface of two adjacent disposed gas generating grains.
  • the foil covers the end surface of the gas generating grains in the range of 80 to 100%, preferably in the range of 90 to 100%. 100% means that the foil completely covers the end surface of the gas generating grains.
  • the coverage of the foil is controlled by its dimeter against the diameter of the gas generating grains. For example, if the diameter of the gas generating grain is 100 mm and the necessary coverage of the foil to control a chemical reaction of the gas generating grains is 80%, then the diameter of the foil covering the gas generating grain is 80 mm.
  • the foil does not comprise any holes made therein. The coverage is controlled by the ration of diameters.
  • the foils are arranged between all stacked gas generating grains creating sandwich type stack of the gas generating grains and the foils therebetween.
  • the foil is made from the material withstanding the burning of gas generating grains.
  • the foil may be made of an aluminium foil, a stainless-steel foil and a steel foil.
  • the thickness of the foil may be in the range of 0.05 to 1 mm, preferably 0.05 to 0.2.
  • FIG. 1 is a perspective view of one embodiment of a fire suppressing gas generating device.
  • Fig. 2 is a cross-sectional view of the fire suppressing gas generating device as seen in Fig. 1.
  • FIG. 3 illustrates an assembly process of gas generating grains (2) and foils (9) into a cylindrical housing (1) of the fire suppressing gas generating device.
  • FIG. 4 illustrates a layout of one embodiment of gas generating grains (2) and foils (9), wherein each foil (9) completely covers the end surfaces (22) of the gas generating grains (2).
  • Fig. 5 illustrates a layout of another embodiment of gas generating grains (2) and foils (9), wherein each foil (9) partly covers the end surfaces (22) of the gas generating grains (2).
  • a fire suppressing gas generating device comprises a cylindrical housing (1) having two open sides (11; 12) and at least one discharge opening (13).
  • the cylindrical housing (1) encompasses a plurality of gas generating grains (2) disposed in a stacked relationship.
  • the filter (6) is arranged between the gas generating grains (2) and the cylindrical housing (1).
  • Each gas generating grain (2) is generally cylindrical having cylindrical surface (23) and two end surfaces (22) opposed to each other.
  • the height of the cylindrical surface (23) of the gas generating grain (2) is smaller than the diameter of the cylindrical end surface (22).
  • the device further comprises two end caps (3; 4), wherein each end cap (3; 4) is fixed to each open side of the housing (1) sealing the cylindrical housing (1) sealing thereof.
  • the device further comprises an ignitor (5) positioned at the ignitor cap (4).
  • the ignitor (5) is associated with the gas generating grain (2) for ignition of the gas generating grain (2).
  • the device further comprises two gas discharge channels (7; 77), wherein each discharge channel (7; 77) is connected to the respective discharge opening (13; 31).
  • Each gas discharge channel (7, 77) comprises a burst plate (8) arranged in the discharge channel (7, 77) so that the burst plate (8) seals the inner volume of the fire suppressing gas generating device from the outer environment.
  • the longitudinal axis of the gas discharge channel (7; 77) is generally aligned with the longitudinal axis of the discharge opening (13; 31) and generally orthogonal to the to the longitudinal axis of the housing (1).
  • the nozzles (17) are arranged evenly around the gas discharge channel (7; 77) so that a discharged gas flow distributes evenly therearound creating thrust neutrality of discharged gas.
  • the device further comprises circular foils (9) arranged between the gas generating grains (2).
  • the thickness of the foil (9) is 0.080 mm.
  • Each foil (9) is disposed between one end surface (22) and another end surface (22) of two adjacent disposed gas generating grains (2).
  • the device comprises five gas generating grains (2) and four foils (9).
  • Each foil (9) completely covers the end surfaces (22) of the gas generating grains (2) that are opposed to each other creating sandwich type stack of the gas generating grains (2) and the foils (9) therebetween.
  • a fire suppressing gas generating device comprises foils (9) that partly cover the end surfaces (22) of the gas generating grains (2) opposed to each other.
  • the partly coverage in this embodiment is about 80% from the area of the end surfaces (22) of the gas generating grain (2).
  • the skilled person may control the ignition and burning of the gas generating grains (2) by adjusting the coverage of the end surfaces (22) of the gas generating grains (2) by the foil

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Air Bags (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

La présente invention concerne des dispositifs de génération de gaz d'extinction d'incendie, en particulier pour commander l'allumage et la combustion de grains de génération de gaz. L'invention concerne un dispositif de génération de gaz d'extinction d'incendie comprenant un boîtier cylindrique (1) présentant au moins une ouverture d'évacuation (13) ; un dispositif d'allumage (5) ; une pluralité de grains de génération de gaz (2) disposés dans une relation empilée à l'intérieur du boîtier, chaque grain de génération de gaz (2) étant généralement cylindrique ayant une surface cylindrique (23) et deux surfaces d'extrémité (22) opposées l'une à l'autre. Le dispositif comprend en outre au moins une feuille (9), la feuille (9) étant disposée entre une surface d'extrémité (22) et une autre surface d'extrémité (22) de deux grains de génération de gaz adjacents (2), et la feuille (9) recouvrant les surfaces d'extrémité (22) des grains de génération de gaz (2).
PCT/IB2021/053365 2020-04-30 2021-04-23 Dispositif de génération de gaz de suppression d'incendie WO2021220115A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LVLVP2020000034 2020-04-30
LVP-20-34A LV15603A (lv) 2020-04-30 2020-04-30 Ugunsdzēšamu gāzi ģenerējoša ierīce

Publications (1)

Publication Number Publication Date
WO2021220115A1 true WO2021220115A1 (fr) 2021-11-04

Family

ID=75888089

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2021/053365 WO2021220115A1 (fr) 2020-04-30 2021-04-23 Dispositif de génération de gaz de suppression d'incendie

Country Status (2)

Country Link
LV (1) LV15603A (fr)
WO (1) WO2021220115A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2143471A1 (fr) * 2007-01-05 2010-01-13 Shaanxi J&R Fire Fighting Co., Ltd Appareil d'extinction d'incendie a pulverisation d'aerosol horizontale bidirectionnelle
US7832493B2 (en) 2006-05-04 2010-11-16 Fireaway Llc Portable fire extinguishing apparatus and method
EP2259005A2 (fr) * 2009-06-04 2010-12-08 Alliant Techsystems Inc. Dispositifs de génération de gaz avec structures de rétention de grain et procédés et systèmes associés
WO2011041879A1 (fr) 2009-10-09 2011-04-14 N2 Towers Inc. Système et méthode d'ignifugation utilisant de l'azide de sodium
WO2019035015A1 (fr) 2017-08-16 2019-02-21 Osaühing Mythika Invest Dispositif de génération de gaz de suppression d'incendies

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7832493B2 (en) 2006-05-04 2010-11-16 Fireaway Llc Portable fire extinguishing apparatus and method
EP2143471A1 (fr) * 2007-01-05 2010-01-13 Shaanxi J&R Fire Fighting Co., Ltd Appareil d'extinction d'incendie a pulverisation d'aerosol horizontale bidirectionnelle
EP2259005A2 (fr) * 2009-06-04 2010-12-08 Alliant Techsystems Inc. Dispositifs de génération de gaz avec structures de rétention de grain et procédés et systèmes associés
WO2011041879A1 (fr) 2009-10-09 2011-04-14 N2 Towers Inc. Système et méthode d'ignifugation utilisant de l'azide de sodium
WO2019035015A1 (fr) 2017-08-16 2019-02-21 Osaühing Mythika Invest Dispositif de génération de gaz de suppression d'incendies

Also Published As

Publication number Publication date
LV15603A (lv) 2021-11-20

Similar Documents

Publication Publication Date Title
EP0592254B1 (fr) Générateur de gaz pour système de retenue d'un occupant de véhicule
US8011303B2 (en) Gas generator
US8162350B1 (en) Gas generator
US9994190B2 (en) Gas generator
US20050236821A1 (en) Cold gas generator
US6189926B1 (en) Airbag inflator with center discharge and soft onset
US8100670B2 (en) Liquid propulsion device incorporating a pyrotechnic gas generator in the structure thereof
CN110497876B (zh) 推进剂笼、充气机、充气机的操作方法以及引导冲击波的方法
US11230254B2 (en) Gas generator and container
WO2019035013A1 (fr) Dispositif de génération de gaz de suppression d'incendies
US10683947B2 (en) Safety valve and gas cylinder having same
WO2021220115A1 (fr) Dispositif de génération de gaz de suppression d'incendie
US6224098B1 (en) Gas generator for air bag and air bag system
CN111071201A (zh) 一种气体发生器
EP4142893B1 (fr) Dispositif de génération de gaz de suppression d'incendie
JP7354033B2 (ja) ガス発生器
CN111278545B (zh) 气体发生器
WO2021220117A1 (fr) Dispositif de génération de gaz d'extinction d'incendie à étanchéité améliorée
LV15603B (lv) Ugunsdzēšanas gāzi ģenerējoša ierīce
KR101833588B1 (ko) 인원 구속 장치용 가스 발생기
WO2023233907A1 (fr) Générateur de gaz
JP7270793B2 (ja) ガス発生器
US20220185224A1 (en) Airbag inflator with pressure relief and increased combustion efficiency
LV15601B (lv) Ugunsdzēšanas gāzi ģenerējoša ierīce ar uzlabotu blīvējumu
WO2021220114A1 (fr) Dispositif de génération de gaz de suppression d'incendie comprenant un filtre de filtrage d'absorption de chaleur et améliorés

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21724760

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21724760

Country of ref document: EP

Kind code of ref document: A1