FR3135320B1 - Reduced performance igniter and thermal pellets - Google Patents

Reduced performance igniter and thermal pellets Download PDF

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Publication number
FR3135320B1
FR3135320B1 FR2204177A FR2204177A FR3135320B1 FR 3135320 B1 FR3135320 B1 FR 3135320B1 FR 2204177 A FR2204177 A FR 2204177A FR 2204177 A FR2204177 A FR 2204177A FR 3135320 B1 FR3135320 B1 FR 3135320B1
Authority
FR
France
Prior art keywords
igniter
pyrotechnic
reduced performance
electrical
heat
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.)
Active
Application number
FR2204177A
Other languages
French (fr)
Other versions
FR3135320A1 (en
Inventor
Olivier Carrara
Benoit Gouez
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.)
Autoliv Development AB
Original Assignee
NCS Pyrotechnie et Technologies 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 NCS Pyrotechnie et Technologies SAS filed Critical NCS Pyrotechnie et Technologies SAS
Priority to FR2204177A priority Critical patent/FR3135320B1/en
Priority to PCT/EP2023/061598 priority patent/WO2023213838A1/en
Publication of FR3135320A1 publication Critical patent/FR3135320A1/en
Application granted granted Critical
Publication of FR3135320B1 publication Critical patent/FR3135320B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)

Abstract

Allumeur électro-pyrotechnique (1) comprenant :- un dispositif électrique de génération de chaleur (19), agencé pour recevoir un signal électrique et pour produire de la chaleur en réponse au signal électrique,- une substance pyrotechnique primaire (20), agencée pour initier une réaction pyrotechnique sous l’effet de la chaleur produite par le dispositif électrique de génération de chaleur (19),- un étui (11), définissant un volume fermé contenant la substance pyrotechnique primaire (20),caractérisé en ce que l’allumeur (1) comprend au moins un insert thermique (30), formé en fil métallique et logé dans le volume fermé. Figure pour l'abrégé : Fig. 1Electro-pyrotechnic igniter (1) comprising: - an electrical heat generating device (19), arranged to receive an electrical signal and to produce heat in response to the electrical signal, - a primary pyrotechnic substance (20), arranged to initiate a pyrotechnic reaction under the effect of the heat produced by the electrical heat generation device (19), - a case (11), defining a closed volume containing the primary pyrotechnic substance (20), characterized in that the igniter (1) comprises at least one thermal insert (30), formed from metal wire and housed in the closed volume. Figure for abstract: Fig. 1

FR2204177A 2022-05-03 2022-05-03 Reduced performance igniter and thermal pellets Active FR3135320B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2204177A FR3135320B1 (en) 2022-05-03 2022-05-03 Reduced performance igniter and thermal pellets
PCT/EP2023/061598 WO2023213838A1 (en) 2022-05-03 2023-05-03 Igniter with reduced performance and thermal pellets

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2204177 2022-05-03
FR2204177A FR3135320B1 (en) 2022-05-03 2022-05-03 Reduced performance igniter and thermal pellets

Publications (2)

Publication Number Publication Date
FR3135320A1 FR3135320A1 (en) 2023-11-10
FR3135320B1 true FR3135320B1 (en) 2024-03-22

Family

ID=82942434

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2204177A Active FR3135320B1 (en) 2022-05-03 2022-05-03 Reduced performance igniter and thermal pellets

Country Status (2)

Country Link
FR (1) FR3135320B1 (en)
WO (1) WO2023213838A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2809806B1 (en) 2000-05-30 2003-01-10 Livbag Snc ELECTRO-PYROTECHNIC INITIATOR WITH A THIN FILM BRIDGE AND A VERY LOW OPERATING ENERGY
US7083193B2 (en) * 2002-03-01 2006-08-01 Daicel Chemical Industries, Ltd. Igniter for air bag system
JP2006035970A (en) * 2004-07-26 2006-02-09 Daicel Chem Ind Ltd Ignitor assembly
JP5774808B2 (en) * 2007-10-30 2015-09-09 オートリブ ディベロップメント アクティエボラーグ Electric ignition starter with heating resistance element

Also Published As

Publication number Publication date
FR3135320A1 (en) 2023-11-10
WO2023213838A1 (en) 2023-11-09

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20231110

TP Transmission of property

Owner name: AUTOLIV DEVELOPMENT AB, SE

Effective date: 20231207