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    • 26. 发明专利
    • Bulk amorphous metal magnetic component
    • 大块非晶金属磁性元件
    • JP2013048250A
    • 2013-03-07
    • JP2012204400
    • 2012-09-18
    • Metglas Incメトグラス・インコーポレーテッド
    • DECRISTOFARO NICHOLAS JOHNSTAMATIS PETER JOSEPH
    • C22C45/02H01F1/153C22C45/04H01F3/04H01F27/24H01F41/02
    • H01F41/0226H01F1/15333H01F3/04Y10S428/90
    • PROBLEM TO BE SOLVED: To provide a bulk amorphous metal magnetic component comprising a plurality of layers made of amorphous metal strips laminated together to form a generally three-dimensional part having a shape of a polyhedron.SOLUTION: The bulk amorphous metal magnetic component may include an arcuate surface, and preferably includes two arcuate surfaces that are disposed opposite to each other. The magnetic component is operable at frequencies ranging between approximately 60 Hz and 20000 Hz. The magnetic component has a core loss of less than or approximately equal to 1 W/kg of amorphous metal material when operated at a frequency of approximately 60 Hz and at a flux density of approximately 1.4 T; and has a core loss of less than or approximately equal to 70 W/kg of amorphous metal material when operated at a frequency of approximately 20000 Hz and at a magnetic flux density of approximately 0.30 T. Performance characteristics of the bulk amorphous metal magnetic component of the present invention are significantly better than silicon-steel components operated over the same frequency range.
    • 要解决的问题:提供一种块状非晶金属磁性部件,其包括层叠在一起的非晶金属条制成的多个层,以形成具有多面体形状的一般三维部分。 解决方案:块状非晶金属磁性部件可以包括弓形表面,并且优选地包括彼此相对设置的两个弓形表面。 磁性部件可在约60Hz和20000Hz之间的频率范围内操作。 当以约60Hz的频率和约1.4T的磁通密度操作时,磁性组分具有小于或等于1W / kg的无定形金属材料的铁损; 并且当以约20000Hz的频率和大约0.30T的磁通密度操作时,具有小于或等于70W / kg的非晶态金属材料的铁心损耗。本体非晶金属磁性组分的性能特征 本发明明显优于在相同频率范围上操作的硅钢组件。 版权所有(C)2013,JPO&INPIT
    • 30. 发明专利
    • Iron core for stillness apparatus
    • 铁芯用于静态设备
    • JP2007043040A
    • 2007-02-15
    • JP2005289510
    • 2005-10-03
    • Hitachi Industrial Equipment Systems Co Ltd株式会社日立産機システム
    • ENDO HIROYUKISHINOHARA MAKOTOKUWABARA MASANAOAMAKO YOICHISHIRAHATA TOSHIKI
    • H01F27/24H01F27/25
    • H01F3/04H01F27/25H01F2003/106
    • PROBLEM TO BE SOLVED: To arrange electromagnetic steel sheets different in magnetic property at optional lamination thickness ratio in order to equalize magnetic flux distribution within an identical wound core, since a magnetic flux distribution within an iron core for stillness apparatus deviates in magnetic flux toward internal periphery side short in magnetic path with respect to all lamination thickness and small in magnetic resitance, and the internal periphery side concentrated by the magnetic flux increases in iron loss due to high magnetic flux density.
      SOLUTION: A uniformity of the magnetic flux distribution within a cross section of iron core can be obtained by arranging the electromagnetic steel sheets inferior in magnetic property to that of external periphery side in the internal periphery side short in the magnetic path and small in the magnetic resistance, and the electromagnetic steel sheets superior in the magnetic property to that of internal periphery side in the external periphery side long in the magnetic path and big in the magnetic resistance for equalizing the magnetic flux distribution within the iron core for stillness apparatus.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题为了使得在相同的卷芯中的磁通分布相等,可以以可选的层叠厚度比布置磁性不同的电磁钢板,因为静电装置用铁心内的磁通分布偏离磁 相对于所有的层叠厚度,磁阻小于磁路的内周侧的磁通量,磁阻小,磁通密集的内周侧由于高的磁通密度而增加铁损。 解决方案:通过将电磁钢板的磁性能下降到在磁路中的内周侧的外周侧的电磁钢板的磁性能较小的小磁芯,可以获得铁芯横截面内的磁通分布的均匀性 在磁阻上,在磁路中的外周侧的内周侧的磁特性优异的电磁钢板和用于使静止装置的铁芯内的磁通分布均匀的磁阻大 。 版权所有(C)2007,JPO&INPIT