ELECTRIC ACTUATOR

An electric actuator includes: a motor unit that has a motor shaft and a rotor main body; a speed reducer; a circuit board; an output section; a detection target section; a motor unit sensor; a preload member; and a support section. The motor shaft passes through a through-hole and penetrates throug...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	UEMATSU, Yutaka, AKASAKA, Yuzo, SHINKAI, Kazumi, KATO, Shun, OIKAWA, Ryunosuke
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An electric actuator includes: a motor unit that has a motor shaft and a rotor main body; a speed reducer; a circuit board; an output section; a detection target section; a motor unit sensor; a preload member; and a support section. The motor shaft passes through a through-hole and penetrates through the circuit board in an axial direction. The detection target section is attached to a portion, which protrudes to one side in the axial direction beyond the circuit board, of the motor shaft. The detection target section faces a surface of the circuit board via a gap. The motor unit sensor is fixed to a portion, which faces the detection target section via a gap, of a surface of the circuit board. The preload member applies a preload to the motor shaft toward the other side in the axial direction and presses the motor shaft against the support section.