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1. 发明授权

US06387522B2 Grain-oriented electrical steel sheet for low-noise transformer 有权
公开(公告)号：US06387522B2
公开(公告)日：2002-05-14
申请号：US09870148
申请日：2001-05-30
申请人： Hisashi Mogi , Akira Sakaida , Masahiro Fujikura , Masato Mizokami
发明人： Hisashi Mogi , Akira Sakaida , Masahiro Fujikura , Masato Mizokami
IPC分类号： B32B1504
CPC分类号： H01F1/18 , C21D8/1288 , Y10S428/90 , Y10S428/926 , Y10S428/928 , Y10T29/4902 , Y10T428/31678
摘要： The present invention provides a grain-oriented electrical steel sheet, for a low noise transformer, capable of reducing higher harmonics which are highly audible and lowering noise effectively, and relates to a grain-oriented electrical steel sheet for a low noise transformer, characterized by imposing a film tension of 0.5 to 6.0 MPa on the surface by coating or a method corresponding thereto, without forming a glass film on the grain-oriented electrical steel sheet or, if a glass film is formed, after removing the glass film by an arbitrary method.

2. 发明授权

US06918966B2 Low iron loss and low noise grain-oriented electrical steel sheet and a method for producing the same 有权
标题翻译：低铁损和低噪音晶粒取向电工钢板及其制造方法
公开(公告)号：US06918966B2
公开(公告)日：2005-07-19
申请号：US10288784
申请日：2002-11-06
申请人： Masahiro Fujikura , Satoshi Arai , Masato Mizokami , Hisashi Mogi , Takeshi Kubota
发明人： Masahiro Fujikura , Satoshi Arai , Masato Mizokami , Hisashi Mogi , Takeshi Kubota
IPC分类号： C21D8/12 , H01F1/147 , H01F1/16
CPC分类号： C21D8/1294 , B23K2103/04 , C21D8/1288 , H01F1/14775
摘要： The object of the present invention is to provide a low iron loss and low noise grain-oriented electrical steel sheet for securing both low core loss and low noise of a transformer at the same time.The present invention relates to a grain-oriented electrical steel sheet containing Si: 1.0-4.0 wt % produced by controlling, with regard to εO, which is defined as a 0-p value when a grain-oriented electrical steel sheet is magnetized up to a saturated magnetic flux density, and ε17, which is defined as the value obtained by subtracting a 0-p value at the magnetization magnetic flux density of 1.7 T from a 0-p value at a saturated magnetic flux density, εOC and ε17L, which are absolute values deviated by forming a tension film and a forsterite film, and εOL and ε17L, which are absolute values deviated by irradiating laser after the film formation, in adequate ranges respectively, and further controlling λ17, which is a 0-p value at the magnetization magnetic flux density of 1.7 T, in the most appropriate range, when measuring a 0-p value of magnetostriction vibration in the rolling direction.
摘要翻译：本发明的目的是提供一种用于同时确保变压器的低铁损和低噪声的低铁损和低噪音晶粒取向电工钢板。本发明涉及一种含有Si：1.0-4.0重量％的晶粒取向电工钢板，它是通过控制ε- 定向为电磁钢板达到饱和磁通密度，ε17被定义为通过从磁通密度减去1.7T的磁化磁通密度的0-p值而得到的值饱和磁通密度为ε-0的p值为ε-1，其为通过形成张力膜和镁橄榄石膜而偏离的绝对值，ε

3. 发明授权

US07456724B2 Electrical steel sheet for low-noise transformer and low-noise transformer 有权
标题翻译：低噪声变压器和低噪声变压器用电工钢板
公开(公告)号：US07456724B2
公开(公告)日：2008-11-25
申请号：US10808925
申请日：2004-03-25
申请人： Hisashi Mogi , Masahiro Fujikura , Shuichi Yamazaki , Masato Mizokami , Masao Yabumoto , Osamu Akisue
发明人： Hisashi Mogi , Masahiro Fujikura , Shuichi Yamazaki , Masato Mizokami , Masao Yabumoto , Osamu Akisue
IPC分类号： H01F27/24
CPC分类号： H01F27/33
摘要： The present invention provides an electrical steel sheet core for a low-noise transformer capable of effectively lowering noise by suppressing vibration perpendicular to the surfaces of the steel sheets and reducing vibration, and relates to an electrical steel sheet for a low-noise transformer characterized by randomly inserting viscoelastic layers with both viscosity and elasticity into the gaps of the steel sheet lamination layers, and a low-noise transformer formed by using said electrical steel sheet.
摘要翻译：本发明提供一种用于低噪声变压器的电磁钢片芯，其能够通过抑制垂直于钢板表面的振动并减少振动而有效地降低噪声，并且涉及一种用于低噪声变压器的电工钢板，其特征在于，将粘性和弹性粘弹性层随机插入到钢板层压层的间隙中，以及通过使用所述电工钢板形成的低噪声变压器。

4. 发明授权

US06558479B2 Low iron loss and low noise grain-oriented electrical steel sheet and a method for producing the same 有权
标题翻译：低铁损和低噪音晶粒取向电工钢板及其制造方法
公开(公告)号：US06558479B2
公开(公告)日：2003-05-06
申请号：US09854266
申请日：2001-05-11
申请人： Masahiro Fujikura , Satoshi Arai , Masato Mizokami , Hisashi Mogi , Takeshi Kubota
发明人： Masahiro Fujikura , Satoshi Arai , Masato Mizokami , Hisashi Mogi , Takeshi Kubota
IPC分类号： H01F118
CPC分类号： C21D8/1294 , B23K2103/04 , C21D8/1288 , H01F1/14775
摘要： The object of the present invention is to provide a low iron loss and low noise grain-oriented electrical steel sheet for securing both low core loss and low noise of a transformer at the same time. The present invention relates to a grain-oriented electrical steel sheet containing Si: 1.0-4.0 wt % produced by controlling, with regard to &egr;O, which is defined as a 0-p value when a grain-oriented electrical steel sheet is magnetized up to a saturated magnetic flux density, and &egr;17, which is defined as the value obtained by subtracting a 0-p value at the magnetization magnetic flux density of 1.7 T from a 0-p value at a saturated magnetic flux density, &egr;OC and &egr;17L, which are absolute values deviated by forming a tension film and a forsterite film, and &egr;OL and &egr;17L, which are absolute values deviated by irradiating laser after the film formation, in adequate ranges respectively, and further controlling &lgr;17, which is a 0-p value at the magnetization magnetic flux density of 1.7 T, in the most appropriate range, when measuring a 0-p value of magnetostriction vibration in the rolling direction.
摘要翻译：本发明的目的是提供一种用于同时确保变压器的低铁损和低噪声的低铁损和低噪音晶粒取向电工钢板。本发明涉及一种含有Si：1.0-4.0wt％的晶粒取向电工钢板，其对于epsiO，通过控制方向性电磁钢板被磁化时定义为0-p值饱和磁通密度和epsi17，其定义为通过以饱和磁通密度εiOC和epsi17L从0-p值减去1.7T的磁化磁通密度的0-p值获得的值，其中εi 是通过形成张力膜和镁橄榄石膜而偏离的绝对值，分别在成膜后通过照射激光而偏离的绝对值的epsiOL和epsi17L分别在足够的范围内，并且进一步控制lambd17，其为0-p值当测量轧制方向上的磁致伸缩振动的0-p值时，磁化磁通密度为1.7T，处于最合适的范围内。

5. 发明授权

US07063780B2 Method for indirect-electrification-type continuous electrolytic etching of metal strip and apparatus for indirect-electrification-type continuous electrolytic etching 有权
标题翻译：金属带的间接带电型连续电解蚀刻方法和间接带电型连续电解蚀刻装置
公开(公告)号：US07063780B2
公开(公告)日：2006-06-20
申请号：US10378534
申请日：2003-03-03
申请人： Hisashi Mogi , Naruhiko Nomura , Shigenobu Koga , Masahiro Fujikura , Shuichi Yamazaki
发明人： Hisashi Mogi , Naruhiko Nomura , Shigenobu Koga , Masahiro Fujikura , Shuichi Yamazaki
IPC分类号： C25F3/06
CPC分类号： C25F7/00 , C25F3/06 , C25F3/14
摘要： The present invention provides a method for indirect-electrification-type continuous electrolytic etching of a metal strip suitable for producing a low-core-loss, grain-oriented silicon steel sheet not susceptible to the deterioration of core loss after stress-relief annealing, and an apparatus for the indirect-electrification-type continuous electrolytic etching. It is a method for indirect-electrification-type continuous electrolytic etching of a metal strip and an apparatus for the same for continuously forming grooves by indirect-electrification-type electrolytic etching on a metal strip on which an etching mask is formed in etching patterns on one or both surfaces, wherein: plural electrodes of an A series and a B series are arranged alternatively, at least in a pair, in said order in the travelling direction of the metal strip so that they face the surface to be etched of the metal strip on which the etching patterns are formed; the space between the metal strip and the group of the electrodes is filled with an electrolyte; and voltage is applied across the A series and B series electrodes.
摘要翻译：本发明提供了适用于制造不易受退火退火后的铁损的劣化的低铁损损的晶粒取向硅钢板的金属带的间接带电型连续电解蚀刻的方法，一种用于间接电化型连续电解蚀刻的装置。作为金属带的间接带电型连续电解蚀刻的方法及其用于通过间接带电型电解蚀刻在其上以蚀刻图案形成蚀刻掩模的金属条上连续形成槽的装置一个或两个表面，其中：A系列和B系列的多个电极至少成对地以金属带的行进方向的顺序排列成使得它们面对金属的待蚀刻表面形成蚀刻图案的条带; 金属带与电极组之间的空间用电解质填充; 并且在A系列和B系列电极之间施加电压。

6. 发明授权

US07964803B2 Magnetic shield structure having openings and a magnetic material frame therefor 失效
标题翻译：具有开口的磁屏蔽结构和用于其的磁性材料框架
公开(公告)号：US07964803B2
公开(公告)日：2011-06-21
申请号：US10549069
申请日：2004-03-16
申请人： Takeshi Saito , Masanori Karikomi , Masanori Niwa , Hiroshi Ishikawa , Satoru Miura , Masahiro Fujikura , Akira Sakaida , Yoneo Yamada , Kentaro Chikuma
发明人： Takeshi Saito , Masanori Karikomi , Masanori Niwa , Hiroshi Ishikawa , Satoru Miura , Masahiro Fujikura , Akira Sakaida , Yoneo Yamada , Kentaro Chikuma
IPC分类号： H05K9/00
CPC分类号： G01R33/0047 , G01R33/421 , H01F27/365
摘要： A magnetic shield structure having openings, the structure comprising a plurality of similar magnetic blind bodies 2, each blind body 2 having an imaginary blind core plane F and a plurality of magnetic material slats 1 being spaced from each other by a distance d required for magnetic shielding, each slat 1 intersecting the blind core plane F at a longitudinal central axis C thereof, the longitudinal central axes of the slats are oriented substantially in parallel to each other on the blind core plane F. The blind bodies 2a, 2b are coupled in a row by serially coupling each slat 1 in each blind body 2a to a corresponding slat 1 of adjacent blind body 2b through overlapping or abutting of slat terminal portions, whereby the blind core planes Fa, Fb of the blind bodies 2a, 2b are so coupled as to define a successive magnetic shield plane, and spaces d between adjacent slats 1 in each blind body 2a, 2b form openings in the magnetic shield structure. Preferably, three or more magnetic blind bodies 2 are coupled in a row so as to form a closed magnetic path. The blind bodies 2a, 2b may be stacked side by side in such a manner that the blind core plane Fa, Fb are parallel to each other and orientation of the slat central axes in each blind body 2a, 2b being selected so as to optimize attenuation of magnetic field across the magnetic shield structure.
摘要翻译：具有开口的磁屏蔽结构，该结构包括多个类似的磁性盲体2，每个盲体2具有假想的盲核平面F和多个磁性材料板条1彼此间隔开磁带所需的距离d 每个板条1在其纵向中心轴线C处与盲芯平面F相交，板条的纵向中心轴线基本上在盲芯平面F上彼此平行地定向。盲体2a，2b联接在通过每个盲体2a中的每个板条1通过板条端部的重叠或邻接将每个盲体2a中的每个板条1串联连接到相邻的盲体2b的相应板条1，由此盲体2a，2b的盲芯平面Fa，Fb如此耦合为了限定连续的磁屏蔽平面，并且每个盲体2a，2b中的相邻板条1之间的间隔d在磁屏蔽结构中形成开口。优选地，三个或更多个磁性盲体2被一行地联接以形成闭合的磁路。盲体2a，2b可以以盲核心平面Fa，Fb彼此平行的方式并排堆叠，并且选择每个盲体2a，2b中的板条中心轴的取向以优化衰减的磁场横跨磁屏蔽结构。

7. 发明申请

US20070272369A1 Magnetic Shield Structure Having Openings and a Magnetic Material Frame Therefor 失效
标题翻译：具有开口的磁屏蔽结构和磁性材料框架
公开(公告)号：US20070272369A1
公开(公告)日：2007-11-29
申请号：US10549069
申请日：2004-03-16
申请人： Takeshi Saito , Masanori Karikomi , Masanori Niwa , Hiroshi Ishikawa , Satoru Miura , Masahiro Fujikura , Akira Sakaida , Yoneo Yamada , Kentaro Chikuma
发明人： Takeshi Saito , Masanori Karikomi , Masanori Niwa , Hiroshi Ishikawa , Satoru Miura , Masahiro Fujikura , Akira Sakaida , Yoneo Yamada , Kentaro Chikuma
IPC分类号： E06B9/00
CPC分类号： G01R33/0047 , G01R33/421 , H01F27/365
摘要： A magnetic shield structure having openings, the structure comprising a plurality of similar magnetic blind bodies 2, each blind body 2 having an imaginary blind core plane F and a plurality of magnetic material slats 1 being spaced from each other by a distance d required for magnetic shielding, each slat 1 intersecting the blind core plane F at a longitudinal central axis C thereof, the longitudinal central axes of the slats are oriented substantially in parallel to each other on the blind core plane F. The blind bodies 2a, 2b are coupled in a row by serially coupling each slat 1 in each blind body 2a to a corresponding slat 1 of adjacent blind body 2b through overlapping or abutting of slat terminal portions, whereby the blind core planes Fa, Fb of the blind bodies 2a, 2b are so coupled as to define a successive magnetic shield plane, and spaces d between adjacent slats 1 in each blind body 2a, 2b form openings in the magnetic shield structure. Preferably, three or more magnetic blind bodies 2 are coupled in a row so as to form a closed magnetic path. The blind bodies 2a, 2b may be stacked side by side in such a manner that the blind core plane Fa, Fb are parallel to each other and orientation of the slat central axes in each blind body 2a, 2b being selected so as to optimize attenuation of magnetic field across the magnetic shield structure.
摘要翻译：具有开口的磁屏蔽结构，该结构包括多个类似的磁性盲体2，每个盲体2具有假想的盲核平面F和多个磁性材料板条1彼此间隔开磁带所需的距离d 每个板条1在其纵向中心轴线C处与盲芯平面F相交，板条的纵向中心轴线在盲芯平面F上基本上彼此平行地定向。盲体2a，2b是通过将每个盲体2a中的每个板条1通过板条端部的重叠或抵接将每个盲体2a中的每个板条1串联连接到相邻的盲体2b的相应的板条1，从而连续地连接，由此盲目体2a的盲核平面Fa，Fb ，2b耦合以限定连续的磁屏蔽平面，并且每个盲体2a，2b中的相邻板条1之间的空间d在磁屏蔽结构中形成开口。优选地，三个或更多个磁性盲体2被一行地联接以形成闭合的磁路。盲体2a，2b可以以盲核心平面Fa，Fb彼此平行的方式并排堆叠，并且每个盲体2a，2b中的板条中心轴的取向被选择为以优化磁屏蔽结构的磁场衰减。

8. 发明授权

US09512500B2 Non-oriented electrical steel sheet, method of manufacturing the same, laminate for motor iron core, and method of manufacturing the same 有权
标题翻译：无方向性电磁钢板，其制造方法，电动铁芯用层合体及其制造方法
公开(公告)号：US09512500B2
公开(公告)日：2016-12-06
申请号：US14129334
申请日：2012-08-16
申请人： Masahiro Fujikura , Yoshiyuki Ushigami , Tesshu Murakawa , Shinichi Kanao , Makoto Atake , Takeru Ichie , Kojiro Hori , Shinichi Matsui
发明人： Masahiro Fujikura , Yoshiyuki Ushigami , Tesshu Murakawa , Shinichi Kanao , Makoto Atake , Takeru Ichie , Kojiro Hori , Shinichi Matsui
IPC分类号： C22C38/02 , C22C38/04 , C22C38/06 , C22C38/14 , C21D8/12 , H01F1/16 , B32B15/00 , C21D8/00 , C22C38/12 , B32B15/01 , C21D9/46 , H01F3/08
CPC分类号： C21D8/005 , B32B15/011 , C21D8/12 , C21D8/1244 , C21D8/1272 , C21D9/46 , C21D2201/05 , C21D2211/004 , C21D2211/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , H01F1/16 , H01F3/08 , Y10T428/12965
摘要： When contents of Ti, V, Zr, Nb, and C (mass %) are represented as [Ti], [V], [Zr], [Nb], and [C] respectively, a value of a parameter Q represented by “Q=([Ti]/48+[V]/51+[Zr]/91+[Nb]/93)/([C]/12)” is not less than 0.9 nor more than 1.1. A matrix of a metal structure is a ferrite phase, and the metal structure does not include a non-recrystallized structure. An average grain size of ferrite grains constituting the ferrite phase is not less than 10 μm nor more than 200 μm. A precipitate containing at least one selected from the group consisting of Ti, V, Zr, and Nb exists with a density of 10 μm−3 or more in the ferrite grain. An average grain size of the precipitate is not less than 0.002 μm nor more than 0.2 μm.
摘要翻译：当Ti，V，Zr，Nb和C（质量％）的含量分别表示为[Ti]，[V]，[Zr]，[Nb]和[C]时，由 “Q =（[Ti] / 48 + [V] / 51 + [Zr] / 91 + [Nb] / 93）/（[C] / 12）”不小于0.9也不大于1.1。金属结构的基体是铁素体相，金属结构不包含未再结晶的结构。构成铁素体相的铁素体晶粒的平均粒径为10μm以上200μm以下。含有选自Ti，V，Zr和Nb中的至少一种的析出物在铁素体晶粒中的密度为10μm-3以上。沉淀物的平均粒径不小于0.002μm，不大于0.2μm。

9. 发明授权

US5009706A Rare-earth antisotropic powders and magnets and their manufacturing processes 失效
标题翻译：稀土防腐粉末和磁铁及其制造工艺
公开(公告)号：US5009706A
公开(公告)日：1991-04-23
申请号：US554109
申请日：1990-07-18
申请人： Hiroaki Sakamoto , Masahiro Fujikura , Toshio Mukai
发明人： Hiroaki Sakamoto , Masahiro Fujikura , Toshio Mukai
IPC分类号： H01F1/06 , B22F1/00 , H01F1/057
CPC分类号： H01F1/0571 , H01F1/0576
摘要： Rare-earth alloy anisotropic powders consist of, in atomic percent, over 12 percent and not more than 20 percent of R (R is at least one on neodymium and praseodymium or at least one of them and or more rare-earth elements), not less than 4 percent and not more than 10 percent of boron, not less than 0.05 percent and not more than 5 percent of copper and the rest that consists of iron and unavoidable impurities. Up to 20 percent of the iron contained is replaceable with cobalt. The alloy powders are made up of flat crystal grains having mean thickness h (the shortest measure), d not smaller than 0.01 .mu.m and not larger than 0.5 .mu.m and ratio d/h not smaller than 2, where d is the means measure of the grains taken at right angles to the widthwide direction thereof, and the alloy powders are magnetically anisotropic. Each rare-earth alloy anisotropic powder is prepared by melting an R-Fe-B-Cu alloy, putting thin ribbons prepared by quenching the melt or a powder prepared by grinding the thin ribbons in a metal container, hermetically sealing the metal container after replacing its inner atmosphere with a vacuum or an inert gas atmosphere, and rolling the thin ribbons or powder, together with the metal container, at a temperature not lower than 500.degree. C. and not higher than 900.degree. C. Rare-earth alloy anisotropic magnets are made by kneading and forming the rare-earth alloy anisotropic powders with not less than 10 percent and not more than 50 percent by volume of resin or by hot-compressing the rare-earth alloy anisotropic powders.
摘要翻译：稀土合金各向异性粉末以原子百分比超过12％且不超过20％的R（R是钕和镨上的至少一种或至少其中一种和/或更多的稀土元素），而不是小于4％且不超过10％的硼，不少于0.05％且不超过5％的铜，其余由铁和不可避免的杂质组成。含铁量高达20％可替代钴。合金粉末由具有平均厚度h（最短测量）的平均晶粒构成，d不小于0.01μm且不大于0.5μm，d / h不小于2，其中d是平均值的晶粒与其宽度方向成直角，并且合金粉末是磁各向异性的。通过熔化R-Fe-B-Cu合金制备每种稀土合金各向异性粉末，将通过将熔体淬火制成的薄带或通过在金属容器中研磨薄带而制备的粉末，在更换之后气密地密封金属容器其内部气氛具有真空或惰性气体气氛，并在不低于500℃且不高于900℃的温度下将薄带或粉末与金属容器一起滚动。稀土合金各向异性磁体通过捏合和形成不少于10％且不大于50体积％的树脂的稀土合金各向异性粉末或通过热压缩稀土合金各向异性粉末来制备。

10. 发明授权

US09721706B2 Non-oriented electrical steel sheet, manufacturing method thereof, laminate for motor iron core, and manufacturing method thereof 有权
公开(公告)号：US09721706B2
公开(公告)日：2017-08-01
申请号：US13982691
申请日：2012-08-17
申请人： Masahiro Fujikura , Yoshiyuki Ushigami , Tesshu Murakawa , Shinichi Kanao , Makoto Atake , Takeru Ichie , Kojiro Hori , Shinichi Matsui
发明人： Masahiro Fujikura , Yoshiyuki Ushigami , Tesshu Murakawa , Shinichi Kanao , Makoto Atake , Takeru Ichie , Kojiro Hori , Shinichi Matsui
IPC分类号： H01F1/01 , H01F1/04 , B32B15/01 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/16 , C21D8/12 , H01F41/02 , C22C1/02 , H01F1/16
CPC分类号： H01F1/04 , B32B15/011 , C21D8/1233 , C21D8/1272 , C21D2211/004 , C22C1/02 , C22C38/004 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/16 , H01F1/01 , H01F1/16 , H01F41/0233 , Y10T428/12965
摘要： A value of a parameter Q represented by “Q=([Ti]/48+[V]/51+[Zr]/91+[Nb]/93)/([C]/12)” is not less than 0.9 nor more than 1.1, when contents of Ti, V, Zr, Nb, and C (mass %) are represented as [Ti], [V], [Zr], [Nb], and [C] respectively. A matrix of a metal structure is a ferrite phase, and the metal structure does not contain a non-recrystallized structure. An average grain size of ferrite grains constituting the ferrite phase is not less than 30 μm nor more than 200 μm. A precipitate containing at least one selected from the group consisting of Ti, V, Zr, and Nb exists with a density of 1 particle/μm3 or more in the ferrite grain. An average grain size of the precipitate is not less than 0.002 μm nor more than 0.2 μm.

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