Global Patent Index - EP 3246931 B1

EP 3246931 B1 20190410 - INTERLOCK MECHANISM FOR AN EARTHING SWITCH OF A GAS INSULATED SUBSTATION

Title (en)

INTERLOCK MECHANISM FOR AN EARTHING SWITCH OF A GAS INSULATED SUBSTATION

Title (de)

VERRIEGELUNGSMECHANISMUS FÜR EINEN ERDUNGSSCHALTER EINER GASISOLIERTEN TRANSFORMATORSCHALTUNG

Title (fr)

MÉCANISME DE VERROUILLAGE DESTINÉ À UN INTERRUPTEUR DE MISE À LA TERRE D'UN POSTE SOUS ENVELOPPE MÉTALLIQUE

Publication

EP 3246931 B1 20190410 (EN)

Application

EP 16170388 A 20160519

Priority

EP 16170388 A 20160519

Abstract (en)

[origin: EP3246931A1] The invention relates to an interlock system (1) to block or free a cogwheel of an actuation mechanism of an earth switch for gas insulated substation, this interlock system (1) comprising a housing (4) enclosing : - a swivel lever having an end moveable between a blocking position pressed against the cogwheel, and a free position at a distance from the cogwheel ; - a rotating axle movable between a blocking position and a free position, this axle having an inner extremity carrying a cam disc to move the swivel lever, and an outer extremity protruding out of the housing (4) to actuate this axle ; - a spring having an extremity secured to the swivel lever and another extremity secured to the housing (4) to press the swivel lever against the cam disk ; - a key lock (8, 9) secured to the housing (4) and cooperating with the axle (21) to lock it in its blocking or free position.

IPC 8 full level

H01H 9/28 (2006.01); H01H 31/00 (2006.01); H01H 31/04 (2006.01)

CPC (source: CN EP)

H01H 9/285 (2013.01 - EP); H01H 31/003 (2013.01 - EP); H01H 31/04 (2013.01 - EP); H01H 33/46 (2013.01 - CN)

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 3246931 A1 20171122; EP 3246931 B1 20190410; CN 107403704 A 20171128

DOCDB simple family (application)

EP 16170388 A 20160519; CN 201710356766 A 20170519