Patent ID: 6819019
Filing Date: 2004-11-16
Classification: H02K

Abstract:
A motor with a rotation detecting device, comprising:a rotary shaft; a yoke in a bottomed cylindrical shape which rotatably supports one end of the rotary shaft and attaches permanent magnets on its inner peripheral surface; a casing with a bottomed cylindrical part which is connected to the open end of the yoke and rotatably contains the other end of said rotary shaft; and a rotation detecting device which detects rotation of said rotary shaft, wherein the rotation detecting device is supported by a sensor holder, the sensor holder is provided with an outer electrical connecting portion and is disposed in the casing by insertion into a sensor holder receiving part formed in the casing from the same direction as an incorporating direction of the rotary shaft into the bottomed cylindrical part, and the casing is provided with an electrical connecting opening part from and right under which the outer electric connecting portion of the sensor holder which has been inserted into the sensor holder receiving part is seen and which is positioned orthogonal to the insertion direction of the sensor holder, whereby an electrical connection for the sensor holder is made from the electrical connecting opening part.