| 摘要 |
PROBLEM TO BE SOLVED: To provide a low-noise core of a reactor, by using actively dust cores. SOLUTION: The reactor has two or more core elements 13, 14, 15 comprising dust cores the thickness of each of which is made smaller than the one of the reactor. The core elements are so combined with each other as to constitute a unit core 10 formed into a predetermined shape of the reactor. There is constituted another unit core 20 formed into the same shape as the core unit 10 by combining the core elements 13, 14, 15 with each other in a different way from the unit core 10. The unit cores 10, 20 are so disposed alternately that the positions of butted portions A generated by combining the core elements 13, 14, 15 with each other are made different from each other with respect to the unit cores 10, 20. Then, the unit cores 10, 20 are so superimposed on each other alternately by the required thickness of the reactor as to stick them on each other pressingly in the superimposed direction of them. COPYRIGHT: (C)2005,JPO&NCIPI
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