EP 2469560 A1 20120627 - Circuit breaker drive
Title (en)
Circuit breaker drive
Title (de)
Leistungsschalterantrieb
Title (fr)
Commande de disjoncteur
Publication
Application
Priority
EP 10015935 A 20101222
Abstract (en)
According an exemplary embodiment of the invention, a driving unit for an electric circuit breaker is provided, which comprises an expansion chamber and a reciprocating piston as well as a supply for supplying a driving fluid to the expansion chamber. The driving fluid expands rapidly after occurrence of a triggering event thus driving the piston in order to switch the circuit breaker.
IPC 8 full level
H01H 33/34 (2006.01); H01H 39/00 (2006.01)
CPC (source: EP)
H01H 33/34 (2013.01); H01H 39/00 (2013.01)
Citation (search report)
- [X] CH 530085 A 19721031 - KESSELRING FRITZ DR [CH]
- [X] FR 34358 E 19290618 - MERLIN GERIN
- [A] US 3787648 A 19740122 - KAWASAKI K
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)
DOCDB simple family (application)
EP 10015935 A 20101222