FR3060834B1 - PYROTECHNIC SHORT CIRCUIT - Google Patents

PYROTECHNIC SHORT CIRCUIT Download PDF

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Publication number
FR3060834B1
FR3060834B1 FR1662957A FR1662957A FR3060834B1 FR 3060834 B1 FR3060834 B1 FR 3060834B1 FR 1662957 A FR1662957 A FR 1662957A FR 1662957 A FR1662957 A FR 1662957A FR 3060834 B1 FR3060834 B1 FR 3060834B1
Authority
FR
France
Prior art keywords
relief
housing
conductive
pyrotechnic
piston
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.)
Expired - Fee Related
Application number
FR1662957A
Other languages
French (fr)
Other versions
FR3060834A1 (en
Inventor
Ludovic LEGLIZE
Florent Monthillier
Antoine Hervio
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.)
ArianeGroup SAS
Original Assignee
Airbus Safran Launchers 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 Airbus Safran Launchers SAS filed Critical Airbus Safran Launchers SAS
Priority to FR1662957A priority Critical patent/FR3060834B1/en
Publication of FR3060834A1 publication Critical patent/FR3060834A1/en
Application granted granted Critical
Publication of FR3060834B1 publication Critical patent/FR3060834B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
    • H01H39/004—Closing switches

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  • Air Bags (AREA)

Abstract

L'invention concerne un court-circuiteur pyrotechnique (100) comprenant : une première chambre (121) de mise sous pression en communication avec un initiateur pyrotechnique (110) ; une deuxième chambre (122) abritant un support (140) sur lequel sont présentes deux portions conductrices (131, 132) séparées l'une de l'autre, le support définissant un logement ; un piston (150) comprenant un élément conducteur (157) et comprenant un relief (153) faisant saillie sur le piston, et un élément de blocage déformable (155) situé sur ledit relief et/ou sur une paroi interne (143) du logement, l'initiateur pyrotechnique étant configuré pour faire passer le piston d'une première position dans laquelle l'élément conducteur est dégagé des portions conductrices, vers une deuxième position dans laquelle l'élément conducteur est au contact de chaque portion conductrice et le relief est inséré dans le logement, l'élément de blocage étant déformé et exerçant un effort de maintien pour bloquer en position ledit relief.A pyrotechnic short-circuiter (100) includes: a first pressurizing chamber (121) in communication with a pyrotechnic initiator (110); a second chamber (122) housing a support (140) on which there are two conductive portions (131, 132) separated from each other, the support defining a housing; a piston (150) comprising a conductive element (157) and comprising a relief (153) projecting from the piston, and a deformable locking element (155) located on said relief and / or on an inner wall (143) of the housing the pyrotechnic initiator being configured to move the piston from a first position in which the conductive member is disengaged from the conductive portions to a second position in which the conductive member is in contact with each conductive portion and the relief is inserted in the housing, the locking element being deformed and exerting a holding force to lock in position said relief.

FR1662957A 2016-12-20 2016-12-20 PYROTECHNIC SHORT CIRCUIT Expired - Fee Related FR3060834B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1662957A FR3060834B1 (en) 2016-12-20 2016-12-20 PYROTECHNIC SHORT CIRCUIT

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1662957 2016-12-20
FR1662957A FR3060834B1 (en) 2016-12-20 2016-12-20 PYROTECHNIC SHORT CIRCUIT

Publications (2)

Publication Number Publication Date
FR3060834A1 FR3060834A1 (en) 2018-06-22
FR3060834B1 true FR3060834B1 (en) 2019-05-24

Family

ID=58737648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1662957A Expired - Fee Related FR3060834B1 (en) 2016-12-20 2016-12-20 PYROTECHNIC SHORT CIRCUIT

Country Status (1)

Country Link
FR (1) FR3060834B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022214260A1 (en) 2022-12-21 2024-06-27 Joyson Safety Systems Germany Gmbh Electrical contactor and energy generating device with such a contactor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR921463A (en) * 1945-11-16 1947-05-08 Phillips & Pain Ets Pyrotechnic fire detector
US3500279A (en) * 1968-07-26 1970-03-10 Us Navy Exploding bridgewire operated switch
US4417519A (en) * 1981-06-04 1983-11-29 Mcdonnell Douglas Corporation Explosive switch
FR2911719B1 (en) * 2007-01-19 2009-02-27 Schneider Electric Ind Sas DEVICE FOR INTERRUPTING / INITIATING AN ELECTRICAL CIRCUIT
FR2992770B1 (en) * 2012-06-29 2014-08-01 Herakles ELECTRIC SWITCH FORMING FAST ACTUATED CIRCUIT BREAKER
EP2901467B1 (en) * 2012-09-28 2017-08-30 Autoliv Development AB Electrical pyrotechnic switch

Also Published As

Publication number Publication date
FR3060834A1 (en) 2018-06-22

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Year of fee payment: 2

PLSC Search report ready

Effective date: 20180622

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Year of fee payment: 4

ST Notification of lapse

Effective date: 20210806