Patent ID: 6777851
Filing Date: 2004-08-17
Classification: F03D,H02K,Y02E

Abstract:
A rotary dynamoelectric generator comprising:a rotor comprising a plurality of permanent magnets disposed in an annular ring configuration about an axis of rotation and a cylindrical backplate, the magnet elements successively alternating in magnetic polarity along an inner annular surface of the backplate; and a stator spaced from the rotor by a radial air gap, the stator including a plurality of ferromagnetic core segments having respective coils wound thereon to form stator windings, the core segments separated from direct contact with each other and disposed along the radial air gap, each stator segment comprising a plurality of poles aligned with each other in a direction parallel to the axis of rotation, the stator thereby comprising a plurality of sets of stator poles, the poles of each set being in radial alignment, the plurality of sets of stator poles being axially displaced from one another.