US 11,056,306 B2
Pyrotechnic switch with a fuse element
Francois Gaudinat, Amblainville (FR); Jean Champendal, Quimper (FR); Sebastien Menestre, Landerneau (FR); Ludovic Lageat, Brest (FR); Etienne Dugast, Nogent-sur-Marne (FR); Gildas Clech, Plougastel-Daoulas (FR); and Catherine Lebarh, Quimper (FR)
Assigned to Autoliv ASP, Inc., Ogden, UT (US)
Appl. No. 16/494,896
Filed by Autoliv Development AB, Vargarda (SE)
PCT Filed Mar. 14, 2018, PCT No. PCT/EP2018/056436
§ 371(c)(1), (2) Date Sep. 17, 2019,
PCT Pub. No. WO2018/167169, PCT Pub. Date Sep. 20, 2018.
Claims priority of application No. 1752219 (FR), filed on Mar. 17, 2017.
Prior Publication US 2020/0035437 A1, Jan. 30, 2020
Int. Cl. H01H 85/02 (2006.01); H01H 39/00 (2006.01); H01H 85/38 (2006.01)
CPC H01H 85/0241 (2013.01) [H01H 39/00 (2013.01); H01H 85/38 (2013.01); H01H 2039/008 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A pyrotechnic switch comprising:
at least a first circuit portion with two connection terminals, arranged to be part of an electrical circuit,
a mobile body, arranged to pass from a first position to a second position, and thereby cause the first circuit portion to open,
a pyrotechnic actuator, arranged to control the movement of the mobile body from the first to the second position,
at least one fuse element arranged as part of the pyrotechnic switch, wherein the at least one fuse element is configured to interrupt an electrical current flowing between the connection terminals of the first circuit portion, wherein the at least one fuse element is isolated from at least one of the two connection terminals of the first circuit portion when the mobile body is in the first position, and wherein the mobile body is configured to electrically connect the at least one fuse element with both the two connection terminals as a result of movement of the mobile body between the first position and the second position.