Global Patent Index - EP 4276872 A1

EP 4276872 A1 20231115 - A MEDIUM VOLTAGE SWITCHING APPARATUS

Title (en)

A MEDIUM VOLTAGE SWITCHING APPARATUS

Title (de)

MITTELSPANNUNGSSCHALTVORRICHTUNG

Title (fr)

APPAREIL DE COMMUTATION MOYENNE TENSION

Publication

EP 4276872 A1 20231115 (EN)

Application

EP 22173047 A 20220512

Priority

EP 22173047 A 20220512

Abstract (en)

A switching apparatus comprising one or more electric poles.For each electric pole, the switching apparatus comprises a first pole terminal, a second pole terminal and a ground terminal. In operation, the first pole terminal can be electrically coupled to a first conductor of an electric line, the second pole terminal can be electrically coupled to a second conductor of said electric line and the ground terminal can be electrically coupled to a grounding conductor.For each electric pole, the switching apparatus comprises a plurality of fixed contacts spaced apart one from another. Such a plurality of fixed contacts comprises a first fixed contact electrically connected to the first pole terminal, a second fixed contact electrically connected to the second pole terminal, a third fixed contact electrically connected to the ground terminal and a fourth fixed contact electrically connectable with the second fixed contact.For each electric pole, the switching apparatus further comprises a movable contact, which is reversibly movable about a corresponding rotation axis according to opposite first and second rotation directions, so that said movable contact can be coupled to or uncoupled from one or more of the above-mentioned fixed contacts, and a vacuum interrupter comprising a vacuum chamber, in which a fixed arc contact and a movable arc contact are enclosed and can be coupled or decoupled.For each electric pole, the switching apparatus further comprises a motion transmission mechanism operatively coupled to the movable arc contact of said vacuum interrupter. The motion transmission mechanism is actuatable by the movable contact to cause a movement of said movable arc contact along said translation axis, when said movable contact moves about said rotation axis.

IPC 8 full level

H01H 33/12 (2006.01); H01H 31/16 (2006.01); H01H 33/666 (2006.01)

CPC (source: CN EP)

H01H 31/003 (2013.01 - EP); H01H 33/122 (2013.01 - EP); H01H 33/126 (2013.01 - EP); H01H 33/66 (2013.01 - CN); H01H 33/6606 (2013.01 - CN); H01H 33/664 (2013.01 - CN); H01H 33/666 (2013.01 - CN); H01H 33/6661 (2013.01 - EP); H01H 31/16 (2013.01 - EP); H01H 2033/566 (2013.01 - EP)

Citation (search report)

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)

EP 4276872 A1 20231115; CN 117059429 A 20231114

DOCDB simple family (application)

EP 22173047 A 20220512; CN 202310452773 A 20230425