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公开(公告)号：EP1008223B1
公开(公告)日：2006-04-26
申请号：EP99926543.2
申请日：1999-06-25
CPC分类号： H02K21/042
摘要： The invention concerns an electric machine comprising a stator (1) and a rotor (2), the stator including at least a stator coil (14) housed in at least a couple of slots (13), the rotor including at least two successive excitation magnets which in the rotor generate two magnetic fluxes having, tangentially along the rotor structure, components of opposite directions, said rotor having between said two magnets an even number of slots defining between them two projecting poles wherein are received winding strands capable of being powered to define alternate poles with the magnets. The invention is characterised in that each of the slots (23) receiving winding strands (26) is occupied by only one strand or several strands wound around the same projecting pole and the rotor shaft (A) is made of a magnetic material, said machine comprising in the proximity of said shaft (A) and magnets (27) at least a non-magnetic zone (28, 28a; 30) which reduces to a minimum or cancels the leakage flux towards the rotor shaft.
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公开(公告)号：EP1008223A1
公开(公告)日：2000-06-14
申请号：EP99926543.2
申请日：1999-06-25
CPC分类号： H02K21/042
摘要： The invention concerns an electric machine comprising a stator (1) and a rotor (2), the stator including at least a stator coil (14) housed in at least a couple of slots (13), the rotor including at least two successive excitation magnets which in the rotor generate two magnetic fluxes having, tangentially along the rotor structure, components of opposite directions, said rotor having between said two magnets an even number of slots defining between them two projecting poles wherein are received winding strands capable of being powered to define alternate poles with the magnets. The invention is characterised in that each of the slots (23) receiving winding strands (26) is occupied by only one strand or several strands wound around the same projecting pole and the rotor shaft (A) is made of a magnetic material, said machine comprising in the proximity of said shaft (A) and magnets (27) at least a non-magnetic zone (28, 28a; 30) which reduces to a minimum or cancels the leakage flux towards the rotor shaft.
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