US 9,809,191 B2
Pyrotechnic igniter
Marcus Weber, Untertheres (DE); Raimund Nebel, Obermeitlingen (DE); and Andreas Guggenberger, München (DE)
Assigned to Autoliv Development AB, Vargarda (SE)
Appl. No. 15/30,322
Filed by Autoliv Development AB, Vårgårda (SE)
PCT Filed Oct. 24, 2014, PCT No. PCT/EP2014/072873
§ 371(c)(1), (2) Date Apr. 18, 2016,
PCT Pub. No. WO2015/059285, PCT Pub. Date Apr. 30, 2015.
Claims priority of application No. 13 60458 (FR), filed on Oct. 25, 2013.
Prior Publication US 2016/0272145 A1, Sep. 22, 2016
Int. Cl. B60R 21/26 (2011.01); F42B 3/103 (2006.01); F42B 3/26 (2006.01); F42B 3/04 (2006.01); F42C 19/08 (2006.01)
CPC B60R 21/26 (2013.01) [F42B 3/04 (2013.01); F42B 3/103 (2013.01); F42B 3/26 (2013.01); F42C 19/08 (2013.01); B60R 2021/26029 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A pyrotechnic igniter comprising:
at least one pyrotechnic material for ignition by a heating element; and
a case enclosing the at least one pyrotechnic material, a plastic overmoulding of the case forming a fixation interface of the igniter and inserted into a fixation orifice of a support up to an inserted position,
wherein the fixation interface of the plastic overmoulding includes at least one deformable part designed elastically deformable during passage into the fixation orifice and elastically returnable to a blocking position against the support when the igniter is in the inserted position to prevent any withdrawal of the igniter,
wherein the case is arranged in a pit of the plastic overmoulding to allow the case to open for passage of gases and hot particulates during operation of the pyrotechnic igniter at a depth greater than or equal to one half a diameter of the case.