EP 2431992 A1 20120321 - Release mechanism for circuit interrupting device
Title (en)
Release mechanism for circuit interrupting device
Title (de)
Auslösemechanismus für Schaltungsunterbrechungsvorrichtung
Title (fr)
Mécanisme de déclenchement pour un disjoncteur
Publication
Application
Priority
EP 10009920 A 20100920
Abstract (en)
The object of the present invention is a release mechanism (1) for a circuit interrupting device (2) comprising a ferromagnetic main frame (5) through which can flow a current (I) and a ferromagnetic movable element (6) designed to be translated in an opening (9) of the main frame (5) between a first position in which the circuit interrupting device (2) is closed and a second position in which the circuit interrupting device (2) is open. The release mechanism further comprises a spring (18) designed to maintain the movable element (6) in its first position and is designed to use the flux (B) generated inside the main frame (5) by the current (I) flowing through it to displace the movable element (6) between its first and second positions. The release mechanism further comprises at least one electromagnet (19, 20) acting on a ferromagnetic core (23, 24) to displace it between an on and an off position corresponding to the electromagnet (19, 20) being on respectively off. The said core (23, 24) is connected to mechanical means (22, 25, 26, 17) arranged to compress or stretch the spring (18) depending on the position of the core (23), so that the force (F s ) on the movable element (6) due to spring (18) is adjusted, respectively increased or decreased, by switching the electromagnet on or off.
IPC 8 full level
H01H 71/74 (2006.01)
CPC (source: EP)
H01H 71/7463 (2013.01)
Citation (search report)
- [A] DE 19715114 A1 19981022 - AEG NIEDERSPANNUNGSTECH GMBH [DE]
- [A] GB 1439431 A 19760616 - LICENTIA GMBH
- [A] AEG LOW VOLTAGE: "User's Guide High Speed DC Circuit breaker Type GERAPID 2607/8007", 22 September 2009 (2009-09-22), XP002624666, Retrieved from the Internet <URL:http://www.aegelettra.com/download/pdf/Gerapid_2010.pdf> [retrieved on 20110224]
- [A] DATABASE WPI Week 200920, Derwent World Patents Index; AN 2009-F59090, XP002624667
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 SE SI SK SM TR
Designated extension state (EPC)
BA ME RS
DOCDB simple family (publication)
DOCDB simple family (application)
EP 10009920 A 20100920