POSITION SENSOR AND STEERING APPARATUS

A position sensor includes a substrate having a first surface and a second surface opposite to the first surface; an initial shaft passing through the first and the second surfaces of the substrate in a direction perpendicular to the substrate; a first initial gear mounted to the initial shaft and p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SEO, Jungwook, HEO, Hwan, MUN, Ilki, LEE, Minyoung
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A position sensor includes a substrate having a first surface and a second surface opposite to the first surface; an initial shaft passing through the first and the second surfaces of the substrate in a direction perpendicular to the substrate; a first initial gear mounted to the initial shaft and positioned above the first surface of the substrate; a second initial gear mounted to the initial shaft and position below the second surface of the substrate; a first sub-shaft positioned above the first surface of the substrate, and disposed perpendicular to the substrate and parallel to the initial shaft; a first sub-gear mounted to the first sub-shaft and positioned above the first surface of the substrate and rotatably engaged with the first initial gear; a first sub-rotor mounted to the first sub-shaft and positioned above the first surface of the substrate; a first sensing coil disposed on a first surface of the substrate; a second sub-shaft separated from the first sub-shaft, positioned below the second surface of the substrate, and disposed perpendicular to the substrate and parallel to the initial shaft; a second sub-gear mounted to the second sub-shaft, positioned below the second surface of the substrate, and rotatably engaged with the second initial gear; a second sub-rotor mounted to the second sub-shaft and positioned below the second surface of the substrate; and a second sensing coil disposed on the second surface of the substrate.