SYSTEM AND METHODS OF ELECTRIC MACHINE ROTOR POSITION DETECTION

摘要

An electric machine includes a stator assembly defining a longitudinal axis. The stator assembly includes a substantially cylindrical stator core that is concentric with and extends longitudinally along the longitudinal axis. The stator core includes a stator pole having an inner surface spaced radially outward from the longitudinal axis. The stator pole includes a first aperture extending radially outward from the inner surface of the stator pole. The electric machine also includes a rotor assembly rotatable about the longitudinal axis. The rotor assembly includes a rotatable shaft and a rotor core. The rotor core is concentric with and extends longitudinally along the longitudinal axis. The rotor core also includes a rotor pole including an outer surface spaced radially outward from the longitudinal axis. The outer surface is spaced radially inward from the stator pole inner surface.

主权项

1. An electric machine comprising:
a stator assembly defining a longitudinal axis and comprising a substantially cylindrical stator core concentric with and extending longitudinally along the longitudinal axis, said stator core comprising a stator pole comprising an inner surface spaced radially outward from the longitudinal axis, said stator pole further comprising a first aperture extending radially outward from said inner surface of said stator pole; and a rotor assembly rotatable about the longitudinal axis, said rotor assembly comprising a rotatable shaft and a rotor core concentric with and extending longitudinally along the longitudinal axis, said rotor core comprising a rotor pole comprising an outer surface spaced radially outward from the longitudinal axis, said outer surface spaced radially inward from said inner surface of said stator pole.