Patent Number: 8,823,225

Title: Rotating electrical machine

Abstract: A motor includes: a almost annular stator, a rotor arranged inside the annular ring of the stator for rotating about a central axis, a sensor for detecting the rotation of the rotor, and a sensor board for implementing the sensor. The sensor and the sensor board are arranged outside the stator in the direction along the central axis. The sensor is a reflection type light projecting/receiving sensor.

Inventors: Yuda; Toyofumi (Kitakyushu, JP), Yamagishi; Toshiyuki (Kitakyushu, JP), Oka; Takenori (Kitakyushu, JP)

Assignee: Kabushiki Kaisha Yaskawa Denki

International Classification: H02K 11/00 (20060101)

Expiration Date: 9/02/12018