Global Patent Index - EP 3355332 B1

EP 3355332 B1 20200226 - CIRCUIT BREAKER COMPRISING A DOUBLE WALL SURROUNDING ITS THERMAL CHAMBER

Title (en)

CIRCUIT BREAKER COMPRISING A DOUBLE WALL SURROUNDING ITS THERMAL CHAMBER

Title (de)

SCHUTZSCHALTER MIT EINER DOPPELWAND UM SEINE THERMISCHE KAMMER

Title (fr)

DISJONCTEUR COMPRENANT UNE DOUBLE PAROI ENTOURANT SA CHAMBRE THERMIQUE

Publication

EP 3355332 B1 20200226 (EN)

Application

EP 17290009 A 20170127

Priority

EP 17290009 A 20170127

Abstract (en)

[origin: EP3355332A1] The invention relates to a circuit-breaker comprising a chassis (27) having an inner cylindrical surface (30) carrying a slidable mobile assembly (32) comprising : a compression chamber (34) and a thermal chamber (36) with a cylindrical wall (40) delimiting the thermal chamber (36), the diameter of this cylindrical wall being smaller than the diameter of the cylindrical surface (30) of the chassis ; - an additional cylindrical wall (41) surrounding the cylindrical wall (40) of the thermal chamber (36), this additional cylindrical wall (41) having an outer diameter corresponding to the inner diameter of the cylindrical surface of the chassis (27).

IPC 8 full level

H01H 33/90 (2006.01); H01H 33/70 (2006.01)

CPC (source: EP)

H01H 33/7023 (2013.01); H01H 33/7053 (2013.01); H01H 33/901 (2013.01)

Citation (examination)

None

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

DOCDB simple family (publication)

EP 3355332 A1 20180801; EP 3355332 B1 20200226; WO 2018138144 A1 20180802

DOCDB simple family (application)

EP 17290009 A 20170127; EP 2018051721 W 20180124