ACTUATOR FOR LINK MECHANISM FOR INTERNAL COMBUSTION ENGINE AND WAVE GEAR SPEED REDUCER

Provided are an actuator for a link mechanism for an internal combustion engine and a wave gear speed reducer, which improve both input efficiency and driving efficiency. According to the invention, the wave gear speed reducer is configured so that a flexible external gear is bent into an elliptical...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	IKEGUCHI, Ken Bryan, YANAI, Kotofumi
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Provided are an actuator for a link mechanism for an internal combustion engine and a wave gear speed reducer, which improve both input efficiency and driving efficiency. According to the invention, the wave gear speed reducer is configured so that a flexible external gear is bent into an elliptical shape using a wave generating device rotated by an input shaft to partially engage external teeth of the flexible external gear with internal teeth of an internal gear portion, and further configured so that an engaging part between the flexible external gear and the internal gear portion is rotated. The external teeth are larger in curvature than the internal teeth in a contact portion between the internal and external teeth.