Ac machine

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H - Electricity

02

K

H02K 1/06 (2006.01) H02K 7/10 (2006.01) H02K 19/06 (2006.01) H02K 19/10 (2006.01) H02K 21/12 (2006.01) H02K 21/38 (2006.01) H02K 41/03 (2006.01)

Patent

CA 2127873

2127873 9314551 PCTABS00024 An AC machine such an an AC motor is disclosed which has particular application for raising and lowering lift cars in a lift well. The motor has a stator (30) and a rotor (20). The stator (30) has stator pole pairs (35, 55) and a coil (80) is interposed between the pairs (35 and 55). Each stator pole has slots (40, 45, 60, 65) which extend circumferentially about the motor. The slots (40, 45, 60, 65) receive stator windings such as conductors (41, 42, 43, 44, 61, 62, 63, 64). The stator poles are formed from laminations and the rotor has rotor poles formed from laminations which are arranged at right angles to the migration axis or direction of movement of the motor. The rotor laminations extend the entire width of the stator so that they come under the influence of the full length of the stator poles (35, 55). The stator pole pairs have limbs (36, 37, 38, 56, 57, 58) which define the slots (40, 45, 60, 65) and the limbs are offset relative to one another.

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