公开(公告)号：US20200035437A1

公开(公告)日：2020-01-30

申请号：US16494896

申请日：2018-03-14

Applicant: Autoliv Development AB

Inventor： Francois GAUDINAT ,  Jean CHAMPENDAL ,  Sebastien MENESTRE ,  Ludovic LAGEAT ,  Etienne DUGAST ,  Gildas CLECH ,  Catherine LEBARH

IPC: H01H85/02 ,  H01H85/165 ,  H01H85/38 ,  H01H39/00

Abstract: Pyrotechnic switch (1) including: at least a first circuit portion (10) with two connection terminals (11a, 11b), arranged to be part of an electrical circuit, a mobile body (20), arranged to pass from a first position to a second position, and thereby cause an opening of the first circuit portion (10), a pyrotechnic actuator, arranged to control the movement of the mobile body (20) from the first to the second position, a fuse element (30) such as a fuse, arranged to interrupt an electric current passing between the terminals of the first circuit portion (11a, 11b), characterized in that the fuse element (30) is isolated from at least one of the terminals of the first circuit portion (11a, 11b) when the mobile body (20) is in the first position.

公开(公告)号：US20230260727A1

公开(公告)日：2023-08-17

申请号：US18006099

申请日：2021-07-12

Applicant: Autoliv Development AB

Inventor： Etienne DUGAST

IPC: H01H39/00 ,  H01H9/02

CPC classification number: H01H39/006 ,  H01H9/02

Abstract: A pyrotechnic circuit breaker comprising a housing, at least two connection terminals, an internal electric circuit connecting the two connection terminals and formed for example by an electrical conductor, an opening member, movable and arranged to open a part to be opened of the internal electric circuit when moving between an initial position and a final position, so as to form at least two discrete portions of conductor after opening,a pyrotechnic actuator arranged to move the opening member from the initial position to the final position, an internal chamber receiving the part to be opened, wherein the internal chamber comprises or contains at least one wall formed with a plastic material comprising silicone.