| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain an electromagnetic equipment for improving power efficiency, and for suppressing vibration and noises without the use of adhesives. SOLUTION: This electromagnetic equipment is provided with coils 22a and 22b in which conductors 26 and 28 are wound around bobbins 25 and 27, the central leg iron core 42 set so as to be put through those coils and provided with a projection 45, and quadrangular side leg iron core 41 forming a closed magnetic circuit with the iron core 42 which is press-fitted inside. Both iron cores are formed so that plural iron core plates can be laminated, and the laminated state can be held by welding. The top edge face of the polarization recessed part 45 is subjected to welding 46 for holding the laminated state of the iron core plates 41a constituting the central leg iron core. Also, the inside face of the side leg iron core 41, on which an air gap G is formed with the projection 45, is subjected to welding 43 for holding the laminated state of the iron core plates 41a constituting the leg iron core 41.</p> |
