ELECTROMAGNETIC ACTUATOR, ELECTRIC SWITCHING APPARATUS INCLUDING SUCH AN ELECTROMAGNETIC ACTUATOR

ELECTROMAGNETIC ACTUATOR, ELECTRIC SWITCHING APPARATUS INCLUDING SUCH AN ELECTROMAGNETIC ACTUATOR

An electromagnetic actuator has:an armature carrying at least one coil;a ferromagnetic yoke configured to channel a magnetic flux created by the coil; anda ferromagnetic moving part that interacts with the yoke to form a magnetic circuit formed at least in part by an assembly of laminated metal plat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BRICQUET, Cédric, PERROCHEAU, Régis, ORBAN, Remy, FOLLIC, Stéphane
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Beschreibung
Zusammenfassung:An electromagnetic actuator has:an armature carrying at least one coil;a ferromagnetic yoke configured to channel a magnetic flux created by the coil; anda ferromagnetic moving part that interacts with the yoke to form a magnetic circuit formed at least in part by an assembly of laminated metal plates, the moving part being configured to move in relation to the armature under the action of the magnetic field generated by the coil. The actuator moreover has an auxiliary magnetic circuit made of electrically conductive material, in order to permit the flow of currents induced in the auxiliary magnetic circuit when a magnetic field is generated by the coil.