Linear motor and linear motor compressor
Linear motor and linear motor compressor
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发表时间：
2003-07
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通讯作者：
고바야시마사노리;기타이치로;모리타이치로;이나가키고;이노우에아키라
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作者：
고바야시마사노리;기타이치로;모리타이치로;이나가키고;이노우에아키라
目得：本发明涉及线性电动机的效率、可靠性及成本，防止由设置在空隙中的永久磁铁的吸引力引起的变形，并且通过减少空隙量来提高效率及可靠性。组成：外磁轭21包括三个磁极，这三个磁极是通过堆叠高导磁率的锡板而形成的，线圈29缠绕在中心的磁极27上。永磁体40和41相对于磁极设置有空隙。内磁轭30通过堆叠高导磁率的薄板而形成。输出轴52固定到内轭30，永磁体装配到内轭30。
PURPOSE: To prevent deformation caused by suction force of a permanent magnet provided in a void and to improve efficiency and reliability by reduction of void amount, related to efficiency, reliability, and cost of a linear motor. CONSTITUTION: An outer yoke 21 comprises three magnetic poles formed by stacking tin plates of high permeability with a coil 29 wound around a magnetic pole 27 at the center. Permanent magnets 40 and 41 are disposed with a void against the magnetic pole. An inner yoke 30 is formed by stacking thin plates of high permeability. An output shaft 52 is secured to the inner yoke 30 to which the permanent magnet is fitted.