Global Patent Index - EP 3234976 A1

EP 3234976 A1 2017-10-25 - CIRCUIT BREAKER CONTAINING A GAS ESCAPE HOOD WITH SEALABLE OPENING

Title (en)

CIRCUIT BREAKER CONTAINING A GAS ESCAPE HOOD WITH SEALABLE OPENING

Title (de)

SCHUTZSCHALTER MIT EINER GASFLUCHTHAUBE MIT VERSCHLIESSBARER ÖFFNUNG

Title (fr)

DISJONCTEUR COMPRENANT UN CAPOT D'ECHAPPEMENT DE GAZ A OUVERTURE OBTURABLE

Publication

EP 3234976 A1 (FR)

Application

EP 15816753 A

Priority

  • FR 1462907 A
  • EP 2015080420 W

Abstract (en)

[origin: WO2016097258A1] The invention relates to a circuit breaker (10) for current at medium, high or very high voltage, comprising at least one cut-off chamber (12) as well as an outer envelope (14) in which is arranged the cut-off chamber (12). According to the invention, the circuit breaker comprises means (52) for sealing an opening (50) through an escape hood (40) of the cut-off chamber (12), the means (52) being displaceable between a sealed position and a withdrawn position in which they allow the passage of gas, the circuit breaker being configured in such a way that in its closure position, the sealing means (52) occupy their withdrawn position, and in such a way that the passage from the withdrawn position to the sealed position occurs in the course of an operation of opening of the circuit breaker.

IPC 8 full level (invention and additional information)

H01H 33/88 (2006.01); H01H 9/34 (2006.01); H01H 33/90 (2006.01)

CPC (invention and additional information)

H01H 33/88 (2013.01); H01H 9/342 (2013.01); H01H 2033/888 (2013.01); H01H 2033/908 (2013.01)

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

EPO simple patent family

WO 2016097258 A1 20160623; EP 3234976 A1 20171025; FR 3030869 A1 20160624; FR 3030869 B1 20170210

INPADOC legal status


2018-06-20 [INTG] ANNOUNCEMENT OF INTENTION TO GRANT

- Effective date: 20180523

2018-03-28 [DAV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (IN ANY COUNTRY) (DELETED)

2018-03-28 [DAX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (TO ANY COUNTRY) (DELETED)

2017-10-25 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20170621

2017-10-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): 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

2017-10-25 [AV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT IN:

- Countries: MA MD

2017-10-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: BA ME