Abstract: An electric motor includes a stator and a rotor rotatable relative to the stator. The stator includes: a stator core including a yoke portion having a cylindrical shape and twelve teeth each protruding radially inward from the yoke portion; and coils of three phases, a winding being concentratedly wound around each of the teeth to form each of the coils. The number of poles of the rotor is two. The teeth include two teeth located adjacent to each other in a circumferential direction and forming a teeth portion, and windings of a same phase are respectively wound in a same direction around the two teeth forming the teeth portion and are connected in series. The teeth are arranged such that the teeth portions adjacent to each other are different in phase and the three phases are arranged sequentially side by side in the circumferential direction.

Abstract: A rotary electric machine includes a rotor core, a stator, a field yoke, and a field winding. The rotor core is fixed to a rotary shaft, which includes a magnetic body for forming a magnetic path, and magnetic salient poles. The stator has teeth and a stator winding wound around the teeth by concentrated winding. A slot is formed between adjacent ones of the teeth in a circumferential direction. The field yoke magnetically connects the stator and the magnetic body. The field winding is located in proximity to at least one of the winding ends of the stator winding in an axial direction of the rotary shaft. The field winding generates a magnetic pole on the magnetic salient poles when energized.

Abstract: A rotary electric machine includes a rotor core, a stator, a field yoke, and a field winding. The rotor core is fixed to a rotary shaft, which includes a magnetic body for forming a magnetic path, and magnetic salient poles. The stator has teeth and a stator winding wound around the teeth by concentrated winding. A slot is formed between adjacent ones of the teeth in a circumferential direction. The field yoke magnetically connects the stator and the magnetic body. The field winding is located in proximity to at least one of the winding ends of the stator winding in an axial direction of the rotary shaft. The field winding generates a magnetic pole on the magnetic salient poles when energized.