EP 0157242 B1 19900912 - ARC EXTINGUISHING MEANS FOR ELECTRICAL-LOAD SWITCHES
Title (en)
ARC EXTINGUISHING MEANS FOR ELECTRICAL-LOAD SWITCHES
Publication
Application
Priority
DE 3412566 A 19840404
Abstract (en)
[origin: US4629840A] In an arc quenching device a quenching chamber filled with sulfur hexafluoride is provided with a plurality of superimposed overlapping ascending quenching plates having openings defining arc inlets. A movable contact cooperating with a stationary contact is insertable via the arc inlets into the quenching chamber.
IPC 1-7
IPC 8 full level
H01H 33/08 (2006.01); H01H 33/10 (2006.01)
CPC (source: EP US)
H01H 33/10 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0157242 A2 19851009; EP 0157242 A3 19871216; EP 0157242 B1 19900912; AT E56562 T1 19900915; DE 3412566 A1 19851017; DE 3412566 C2 19880107; DE 3579607 D1 19901018; DE 8410454 U1 19850515; JP H0650607 B2 19940629; JP S60227323 A 19851112; US 4629840 A 19861216
DOCDB simple family (application)
EP 85102869 A 19850313; AT 85102869 T 19850313; DE 3412566 A 19840404; DE 3579607 T 19850313; DE 8410454 U 19840404; JP 7015285 A 19850404; US 72014885 A 19850404