SELF-STARTING DC MOTOR WITH PERMANENT MAGNET VARYI
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专利名称：SELF-STARTING DC MOTOR WITH
PERMANENT MAGNET VARYING IN
MAGNETIC INTENSITY
发明人：FURETSUDO EI BURAUN
申请号：JP14562983
申请日：19830809
公开号：JPS5950760A
公开日：
19840323
专利内容由知识产权出版社提供
摘要：A permanent magnet, direct current motor is made self-starting by the use of permanent magnets with varying magnetization. The use of permanent magnets with varying magnetization results in a rotor position after motor de-energization such that the rotor is angularly offset from a cogged position. This type of motor is made by first, placing uniformly magnetized magnets in a rotor, placing the rotor in an air gap of a toroid on a fixture with a key that correctly positions the rotor, applying a satisfactory magnetic field for a suitable amount of time so that the desired varying magnetization is produced, and finally, assembling the rotor in operative association with the stator so that the at-rest position of the rotor is angularly offset in the direction of rotor rotation from a cogged position.
申请人：ROTORON INC
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