| 摘要 |
PROBLEM TO BE SOLVED: To provide a linear electromagnetic driving device that facilitates assembly by allowing a moving member to be freely reciprocatingly movable and has high reliability and high durability while achieving cost reduction and high efficiency. SOLUTION: A moving member 10 is composed of a conductor 14 having the inner-peripheral face and the outer-peripheral face and made of a non-magnetic material and an electric conductive material, and iron-core pieces 12, 13 provided on both end faces of the conductor 14 and made of a magnetic material. A moving-member-side yoke 2, made of a magnetic material, is arranged on the side of the inner-peripheral face of the iron-core pieces 12, 13. A stator 20 is composed of a coil 24 in which a conducting wire is wound around the axis X of the moving member 10, magnetic-pole pieces 22, 23 provided on both sides of the coil 24 and made of a magnetic material, and a stator-side yoke 25 connecting the magnetic-pole pieces 22, 23 to each other. The inner-peripheral face of the moving member 10 and that of the stator 20 are made to face each other with prescribed gaps 51, 52 therebetween. COPYRIGHT: (C)2010,JPO&INPIT |
