Patent ID: 6538358
Filing Date: 2003-03-25
Classification: H02K

Abstract:
A rotor for an electrical machine, comprising:a shaft; a substantially cylindrical first claw segment mounted on said shaft; a substantially cylindrical second claw segment mounted on said shaft; said first claw segment comprising a plurality of claw fingers extending axially towards said second claw segment and said second claw segment comprising a plurality of claw fingers extending axially towards said first claw segment; and a first electrical coil for generating a magnetic field in response to a current therethrough, said coil mounted on said shaft, a first permanent magnet proximate a peripheral portion of said substantially cylindrical first claw segment, said first permanent magnet comprising a plurality of alternating poles wherein every other pole of said plurality of poles aligns with one of said plurality of claw fingers of said substantially cylindrical first claw segment.