Global Patent Index - EP 3782177 A1

EP 3782177 A1 20210224 - GAS-INSULATED SWITCHGEAR

Title (en)

GAS-INSULATED SWITCHGEAR

Title (de)

GASISOLIERTE SCHALTANLAGE

Title (fr)

APPAREILLAGE À ISOLATION GAZEUSE

Publication

EP 3782177 A1 20210224 (DE)

Application

EP 19729673 A 20190603

Priority

  • DE 102018209180 A 20180608
  • EP 2019064262 W 20190603

Abstract (en)

[origin: WO2019233914A1] The invention relates to a gas-insulated switchgear (1) comprising a housing (2), which has an insulation chamber (6), and comprising current-conducting components (3, 4, 16) arranged therein and a gaseous insulation medium (8), which is electrically insulating and/or is used to extinguish an electric arc (10), present in the insulation chamber (6), the insulation medium (8) comprising a fluoronitrile and an oxidising carrier gas. The invention is characterised in that regions (22) which are doped with non-metallic foreign atoms are provided at least beneath parts of the surface (12) of the current-conducting components (3, 4, 16).

IPC 8 full level

H01H 1/38 (2006.01); H01H 33/22 (2006.01); H01H 33/56 (2006.01)

CPC (source: EP)

H01H 1/385 (2013.01); H01H 33/22 (2013.01); H01H 2033/566 (2013.01)

Citation (search report)

See references of WO 2019233914A1

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

DOCDB simple family (publication)

DE 102018209180 A1 20191212; EP 3782177 A1 20210224; WO 2019233914 A1 20191212

DOCDB simple family (application)

DE 102018209180 A 20180608; EP 19729673 A 20190603; EP 2019064262 W 20190603