ELECTRIC ACTUATOR AND ELECTRIC WASTE GATE VALVE SYSTEM

PROBLEM TO BE SOLVED: To provide an electric actuator and an electric waste gate valve system that can reduce a load on a female thread part of a rotating shaft.SOLUTION: An electric actuator comprises: a motor part 100 that includes a rotating shaft 123 (a rotor 120) in which a female thread part 1...

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Bibliographische Detailangaben
1. Verfasser:	KOYANAGI MASAAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an electric actuator and an electric waste gate valve system that can reduce a load on a female thread part of a rotating shaft.SOLUTION: An electric actuator comprises: a motor part 100 that includes a rotating shaft 123 (a rotor 120) in which a female thread part 123a is formed; a first shaft 210 that includes a male thread part 212 screwed in the female thread part 123a of the rotating shaft 123, and linearly moves in an axial direction with respect to the rotating shaft 123 in association with rotation of the rotating shaft 123; and a second shaft 220 connected so as to be relatively movable in the axial direction in a predetermined range with respect to the first shaft 210.SELECTED DRAWING: Figure 3 【課題】回転シャフトの雌ねじ部にかかる負荷を低減することができる電動アクチュエータ及び電動ウェイストゲートバルブシステムを提供する。【解決手段】雌ねじ部１２３ａが形成された回転シャフト１２３（ロータ１２０）を有するモータ部１００と、回転シャフト１２３の雌ねじ部１２３ａと螺合する雄ねじ部２１２を有し、回転シャフト１２３の回転に伴って回転シャフト１２３に対して軸線方向に直線移動する第一シャフト２１０と、第一シャフト２１０に対して所定の範囲内で前記軸線方向に相対移動自在に連結された第二シャフト２２０と、を具備する。【選択図】図３