Small-sized motor having polygonal outer shape

  title={Small-sized motor having polygonal outer shape},
  author={根本信之 and 植西英史},
A small-sized motor having a polygonal outer shape includes four or more field magnets attached to the inner surface of a motor casing made of metal. A tubular portion of the motor casing is formed into a polygonal tubular shape such that flat side portions equal in number to field poles, and flat or curved corner portions equal in number to the field poles and each being located between the adjacent side portions are sequentially joined together. The field magnets have a smaller thickness at… CONTINUE READING