Global Patent Index - EP 4176458 A1

EP 4176458 A1 20230510 - PYROTECHNIC CIRCUIT BREAKER

Title (en)

PYROTECHNIC CIRCUIT BREAKER

Title (de)

PYROTECHNISCHER SCHUTZSCHALTER

Title (fr)

COUPE CIRCUIT PYROTECHNIQUE

Publication

EP 4176458 A1 20230510 (FR)

Application

EP 21739319 A 20210701

Priority

  • FR 2007024 A 20200702
  • EP 2021068114 W 20210701

Abstract (en)

[origin: WO2022003080A1] A pyrotechnic circuit breaker comprising: - a housing (10), - at least two connection terminals (21, 22), - an internal electrical circuit connecting the two connection terminals (21, 22) and formed for example by an electrical conductor, - an opening member (40) which is movable and designed to open a part to be opened of the internal electrical circuit during a movement between an initial position and a final position, so as to form at least two separate conductor portions (32, 33) after opening, - a pyrotechnic actuator designed to move the opening member (40) from the initial position to the final position, - an internal chamber defined by an internal wall formed in the housing (10), and receiving the part to be opened, - an insulating grease (70) arranged in the internal chamber, characterized in that the insulating grease (70) is arranged on or covers at least two predetermined parts of the internal wall.

IPC 8 full level

H01H 39/00 (2006.01)

CPC (source: EP KR US)

H01H 39/006 (2013.01 - EP KR US); H01H 2039/008 (2013.01 - EP KR)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

FR 3112235 A1 20220107; FR 3112235 B1 20230324; CN 116134575 A 20230516; EP 4176458 A1 20230510; JP 2023532476 A 20230728; KR 20230028555 A 20230228; US 12170181 B2 20241217; US 2023260726 A1 20230817; WO 2022003080 A1 20220106

DOCDB simple family (application)

FR 2007024 A 20200702; CN 202180059165 A 20210701; EP 2021068114 W 20210701; EP 21739319 A 20210701; JP 2022580288 A 20210701; KR 20237003556 A 20210701; US 202118003636 A 20210701