ELECTROMAGNETIC ACTUATOR AND SOLENOID-VALVE DEVICE

An electromagnetic actuator is provided that can achieve reduction in size, weight and cost by a simple configuration, and a solenoid-valve device provided therewith. The electromagnetic actuator section includes fixed pole pieces that a middle of three fixed magnetic poles has, and coils wound arou...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	NEMOTO Hirotomi
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BASIC ELECTRIC ELEMENTS BLASTING COCKS DEVICES FOR VENTING OR AERATING ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDUCTANCES LIGHTING MAGNETS MECHANICAL ENGINEERING SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TAPS THERMAL INSULATION IN GENERAL TRANSFORMERS VALVES WEAPONS
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Beschreibung
Zusammenfassung:	An electromagnetic actuator is provided that can achieve reduction in size, weight and cost by a simple configuration, and a solenoid-valve device provided therewith. The electromagnetic actuator section includes fixed pole pieces that a middle of three fixed magnetic poles has, and coils wound around the fixed pole pieces. The coils are wound in the same winding direction. The needle has first and second stabilization points corresponding to the fixed magnetic poles on both sides in the axial direction, and a third stabilization point corresponding to the middle fixed magnetic pole, as stabilization points at which a stationary state can be maintained when the coil is unenergized.