ELECTROMAGNETIC RELAY AND ELECTROMAGNETIC DEVICE

ELECTROMAGNETIC RELAY AND ELECTROMAGNETIC DEVICE

An electromagnetic device (3X) includes: an electromagnet (5) including a coil (50) and a yoke (52); an armature (7); a permanent magnet (9) including poles one of which faces the armature (7); and an auxiliary yoke (Y1) including a first surface (Y11) which faces the other of the poles of the perma...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: NISHIYAMA, Machiko, ASADA, Yoshihide, KATO, Yoshimasa
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 device (3X) includes: an electromagnet (5) including a coil (50) and a yoke (52); an armature (7); a permanent magnet (9) including poles one of which faces the armature (7); and an auxiliary yoke (Y1) including a first surface (Y11) which faces the other of the poles of the permanent magnet (9) and crosses a magnetic pole direction of the permanent magnet (9), and a second surface (Y12) facing the yoke (52), the armature (7) moving toward or away from the yoke (52) when the electromagnet (5) is excited, the second surface (Y12) of the auxiliary yoke (Y1) facing the yoke (52) in a range of at least part of a movable range of the armature (7) moving in response to the excitation.