REGENERATIVE RETARDER

摘要

PURPOSE:To shorten axial length by a constitution wherein two revolving-field poles are integrally molded of nonmagnetic material and a field pole position sensor, opposing to a protrusion designating the position of a revolving-field pole formed on one side face, is sequred to a flywheel housing. CONSTITUTION:Two revolving-field poles 12, 13 are molded integrally with a nonmagnetic coupling ring 24 having one side face formed with a protrusion 24-1 for designating the position of revolving-field pole. A field pole position sensor 25 for detecting the position of revolving-field pole is secured at a position separated by a distance d1 from the protrusion 24-1 in the housing for flywheel. This constitution obviates the necessity of components for revolving- field pole position sensor and prevents axial length of motor from increasing.