Global Patent Index - EP 1071108 A2

EP 1071108 A2 2001-01-24 - Electromagnetic actuator, in particular a trip device, in paricular for a circuit breaker

Title (en)

Electromagnetic actuator, in particular a trip device, in paricular for a circuit breaker

Title (de)

Elektromagnetischer Aktor, insbesondere elektromagnetischer Auslöser, insbesondere für einen Leitungsschutzschalter

Title (fr)

Actionneur électromagnétique, en particulier un dispositif de déclenchement, en particulier pour un disjoncteur

Publication

EP 1071108 A2 (DE)

Application

EP 00114808 A

Priority

DE 19934094 A

Abstract (en)

A rotatably mounted rocker (23), whose location is fixed w.r.t. the actuator, is provided with a first arm (22) coupled to an armature (16) and a second arm (24) acting on one end of a captive spring (29). The other end of the spring is fixed. The rocker is arranged so that the articulation point of the spring bends along a dead-point line extending through the pivot point and articulation point when triggered, so that the force of the spring keeping the armature (16) in its rest position is reduced.

Abstract (de)

Es wird ein elektomagnetischer Aktor (10), insbesondere elektromagnetischer Auslöser für einen Leitungsschutzschalter oder dgl., mit einem Joch (12), einer Spule (13), einem Anker (16), einem Kern und einer Fesselfeder (26) beschrieben, bei dem eine bezogen auf den Aktor ortsfest drehbar gelagerte Wippe (23) vorgesehen ist, deren erster Arm (22) mit dem Anker (16) gekoppelt ist und an derem zweiten Arm (24) ein Ende einer Fesselfeder (29) angreift, deren anderes Ende ebenfalls ortsfest festgelegt ist. Die Wippe (23) ist so angeordnet, daß der Anlenkpunkt (28) der Feder (29) am zweiten Arm auf eine durch den Drehpunkt und den Anlenkpunkt verlaufende Totpunktlinie (V) beim Auslösevorgang hinschwenkt, so daß die Kraft der den Anker (16) in dessen Ruhestellung festhaltenden Feder (29) sich beim Auslösevorgang verringert. <IMAGE>

IPC 1-7 (main, further and additional classification)

H01H 71/24

IPC 8 full level (invention and additional information)

H01H 71/24 (2006.01)

CPC (invention and additional information)

H01H 71/2463 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1071108 A2 20010124; EP 1071108 A3 20020619; EP 1071108 B1 20030827; AT 248433 T 20030915; DE 19934094 A1 20010125; HU 0002802 A2 20010228; HU 0002802 D0 20000928; PL 341552 A1 20010129

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