Pyrotechnic gas generator and corresponding childcare device

• Main Authors: RABEONY HAJA, GARNIER NICOLAS
• Format: Patent
• Language: Chinese; English
• Published: 26.09.2017
• Subjects: PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR

The invention relates to a gas generator (2) for an air bag/air bags, comprising: at least one pyrotechnic charge (23) and means (25) for igniting/activating said charge (23) which are triggered when a predetermined condition is met, a vessel (21) which contains a pressurised gas (211) and the mouth of which is closed by means of a sealing element (211), and a gas exhaust opening (222) which communicates with at least one air bag (141, 142). According to the invention, the gas generator (2) further comprises a firing pin (24) which is located in a pipe (221), into which the gas exhaust opening (222) leads, and which, when the predetermined condition is met, can first be moved towards the sealing element (211) from an initial position into an open position by means of the combustion gases (231) generated by the pyrotechnic charge (23) so as to pierce said sealing element by means of piercing means (241) supported by said firing pin (24), wherein it is possible to bring said firing pin (24) back into the initia