公开(公告)号：US20120014828A1

公开(公告)日：2012-01-19

申请号：US13258688

申请日：2010-05-25

申请人： Masafumi Miyazaki ,  Hideaki Yamamura ,  Takeshi Kubota ,  Yousuke Kurosaki ,  Kazuto Kawakami ,  Kazumi Mizukami ,  Takeaki Wakisaki

发明人： Masafumi Miyazaki ,  Hideaki Yamamura ,  Takeshi Kubota ,  Yousuke Kurosaki ,  Kazuto Kawakami ,  Kazumi Mizukami ,  Takeaki Wakisaki

IPC分类号： C22C38/02 ,  C22C38/14 ,  C22C38/04 ,  C22C38/34 ,  C22C38/38 ,  B22D27/00 ,  C22C38/00 ,  C22C38/60 ,  C22C38/08 ,  C22C38/16 ,  C22B9/00 ,  C22C38/06 ,  C22C38/28

CPC分类号： H01F1/14775 ,  B22D11/00 ,  B22D11/108 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/005 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/14 ,  C22C38/16 ,  C22C38/28 ,  C22C38/34 ,  C22C38/38 ,  C22C38/60 ,  H01F1/16

摘要： In a non-oriented electrical steel sheet, Si: not less than 1.0 mass % nor more than 3.5 mass %, Al: not less than 0.1 mass % nor more than 3.0 mass %, Ti: not less than 0.001 mass % nor more than 0.01 mass %, Bi: not less than 0.001 mass % nor more than 0.01 mass %, and so on are contained. (1) expression described below is satisfied when a Ti content (mass %) is represented as [Ti] and a Bi content (mass %) is represented as [Bi]. [Ti]≦0.8×[Bi]+0.002  (1)

摘要翻译： 在无取向电工钢板中，Si：1.0质量％以上3.5质量％以下，Al：0.1质量％以上3.0质量％以下，Ti：0.001质量％以上，不大于 0.01质量％，Bi：0.001质量％以上0.01质量％以下。 （1）当Ti含量（质量％）表示为[Ti]，Bi含量（质量％）表示为[Bi]时，满足下述表达式。 [Ti]＆nlE; 0.8×[Bi] +0.002（1）

公开(公告)号：US20120305140A1

公开(公告)日：2012-12-06

申请号：US13577946

申请日：2011-02-15

申请人： Shuichi Yamazaki ,  Takeshi Kubota ,  Yousuke Kurosaki ,  Masahiro Fujikura ,  Takahide Shimazu

发明人： Shuichi Yamazaki ,  Takeshi Kubota ,  Yousuke Kurosaki ,  Masahiro Fujikura ,  Takahide Shimazu

IPC分类号： B32B15/04 ,  C23C22/07 ,  C23C22/78

CPC分类号： H01F1/14783 ,  C21D1/26 ,  C21D6/002 ,  C21D6/005 ,  C21D6/008 ,  C21D8/12 ,  C21D8/1244 ,  C21D8/1283 ,  C21D8/1288 ,  C21D9/46 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/34 ,  C23C8/10 ,  C23C8/18 ,  C23C22/07 ,  C23C22/50 ,  C23C22/74 ,  C23C24/00 ,  C23C28/00 ,  H01F1/18 ,  H01F41/32

摘要： A non-oriented electrical steel sheet includes: a base iron (1); and a tension applying type insulating film (2) of not less than 1 g/m2 nor more than 6 g/m2 on a surface of the base iron (1). An oxide layer (3) containing at least one type of oxide selected from the group consisting of Si, Al, and Cr and having a thickness of not less than 0.01 μm nor more than 0.5 μm is formed on the surface of the base iron (1).

摘要翻译： 无取向电工钢板包括：基底铁（1）; 以及在基础铁（1）的表面上不小于1g / m 2且不大于6g / m 2的张力施加型绝缘膜（2）。 在基底铁的表面上形成含有选自Si，Al和Cr中的至少一种氧化物层（3），厚度不小于0.01μm，不大于0.5μm的氧化物层 1）。

公开(公告)号：US09187830B2

公开(公告)日：2015-11-17

申请号：US13577946

申请日：2011-02-15

申请人： Shuichi Yamazaki ,  Takeshi Kubota ,  Yousuke Kurosaki ,  Masahiro Fujikura ,  Takahide Shimazu

发明人： Shuichi Yamazaki ,  Takeshi Kubota ,  Yousuke Kurosaki ,  Masahiro Fujikura ,  Takahide Shimazu

IPC分类号： H01F1/18 ,  C23C8/10 ,  C23C24/00 ,  C21D8/12 ,  C21D9/46 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C8/18 ,  C23C22/74 ,  C23C28/00

CPC分类号： H01F1/14783 ,  C21D1/26 ,  C21D6/002 ,  C21D6/005 ,  C21D6/008 ,  C21D8/12 ,  C21D8/1244 ,  C21D8/1283 ,  C21D8/1288 ,  C21D9/46 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/34 ,  C23C8/10 ,  C23C8/18 ,  C23C22/07 ,  C23C22/50 ,  C23C22/74 ,  C23C24/00 ,  C23C28/00 ,  H01F1/18 ,  H01F41/32

摘要： A non-oriented electrical steel sheet includes: a base iron (1); and a tension applying type insulating film (2) of not less than 1 g/m2 nor more than 6 g/m2 on a surface of the base iron (1). An oxide layer (3) containing at least one type of oxide selected from the group consisting of Si, Al, and Cr and having a thickness of not less than 0.01 μm nor more than 0.5 μm is formed on the surface of the base iron (1).

摘要翻译： 无取向电工钢板包括：基底铁（1）; 以及在基础铁（1）的表面上不小于1g / m 2且不大于6g / m 2的张力施加型绝缘膜（2）。 在基底铁的表面上形成含有选自Si，Al和Cr中的至少一种氧化物层（3），厚度不小于0.01μm，不大于0.5μm的氧化物层 1）。

公开(公告)号：US20090301609A1

公开(公告)日：2009-12-10

申请号：US12309622

申请日：2007-06-15

申请人： Yoshihiro Arita ,  Hidekuni Murakami ,  Yutaka Matsumoto ,  Saori Haranaka ,  Takeshi Kubota

发明人： Yoshihiro Arita ,  Hidekuni Murakami ,  Yutaka Matsumoto ,  Saori Haranaka ,  Takeshi Kubota

IPC分类号： C22C38/02

CPC分类号： C22C38/02 ,  C21D8/12 ,  C21D8/1272 ,  C21D9/46 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  H01F1/14716 ,  H01F1/14791

摘要： The invention provides a non-oriented electrical steel sheet excellent in yield strength for use as an iron core material for high rpm motors that does not sacrifice yield or productivity in motor core punching or steel sheet production, which non-oriented electrical steel sheet is given a chemical composition of, in mass %, C: 0.01 to 0.05%, Si: 2.0 to 4.0%, Mn: 0.05 to 0.5%, Al: 3.0% or less and Nb: 0.01 to 0.05%, and optionally Ni at a preferable content of more than 0.5% and less than 3.0%, the balance being Fe and unavoidable impurities, Mn and C contents expressed in mass % are made to satisfy Mn≦0.6−10×C, recrystallized portion area fraction is made 50% or greater, yield strength in tensile testing is made 650 MPa or greater, and average-grain diameter viewed in steel sheet cross-section is made 40 μm or less, and electrical steel sheet production is conducted using a hot-rolled sheet whose transition temperature in impact testing is 70° C. or less.

摘要翻译： 本发明提供一种用于高转速电机的铁心材料的屈服强度优异的无取向电工钢板，其不牺牲电动机芯冲孔或钢板生产中的产量或生产率，该方向电磁钢板被给予 以质量％计含有C：0.01〜0.05％，Si：2.0〜4.0％，Mn：0.05〜0.5％，Al：3.0％以下，Nb：0.01〜0.05％的化学成分， 含量超过0.5％且小于3.0％，余量为Fe和不可避免的杂质，以质量％表示的Mn和C含量满足Mn <= 0.6-10×C，再结晶部分面积分数为50％以上， 拉伸试验的屈服强度为650MPa以上，钢板截面的平均粒径为40μm以下，利用冲击试验中的转变温度的热轧板进行电工钢板的制造 为70℃以下。

公开(公告)号：US08557058B2

公开(公告)日：2013-10-15

申请号：US12309622

申请日：2007-06-15

申请人： Yoshihiro Arita ,  Hidekuni Murakami ,  Yutaka Matsumoto ,  Saori Haranaka ,  Takeshi Kubota

发明人： Yoshihiro Arita ,  Hidekuni Murakami ,  Yutaka Matsumoto ,  Saori Haranaka ,  Takeshi Kubota

IPC分类号： H01F3/00 ,  H01F1/04 ,  C22C38/00

CPC分类号： C22C38/02 ,  C21D8/12 ,  C21D8/1272 ,  C21D9/46 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  H01F1/14716 ,  H01F1/14791

摘要： The invention provides a non-oriented electrical steel sheet excellent in yield strength for use as an iron core material for high rpm motors that does not sacrifice yield or productivity in motor core punching or steel sheet production, which non-oriented electrical steel sheet is given a chemical composition of, in mass %, C: 0.01 to 0.05%, Si: 2.0 to 4.0%, Mn: 0.05 to 0.5%, Al: 3.0% or less and Nb: 0.01 to 0.05%, and optionally Ni at a preferable content of more than 0.5% and less than 3.0%, the balance being Fe and unavoidable impurities, Mn and C contents expressed in mass % are made to satisfy Mn≦0.6-10×C, recrystallized portion area fraction is made 50% or greater, yield strength in tensile testing is made 650 MPa or greater, and average-grain diameter viewed in steel sheet cross-section is made 40 μm or less, and electrical steel sheet production is conducted using a hot-rolled sheet whose transition temperature in impact testing is 70° C. or less.

摘要翻译： 本发明提供一种用于高转速电机的铁心材料的屈服强度优异的无取向电工钢板，其不牺牲电动机芯冲孔或钢板生产中的产量或生产率，该方向电磁钢板被给予 以质量％计含有C：0.01〜0.05％，Si：2.0〜4.0％，Mn：0.05〜0.5％，Al：3.0％以下，Nb：0.01〜0.05％的化学成分， 含量超过0.5％且小于3.0％，余量为Fe和不可避免的杂质，以质量％表示的Mn和C含量满足Mn≤0.0〜10-10℃，再结晶部分面积分数为50％以上 拉伸试验的屈服强度为650MPa以上，钢板截面的平均粒径为40μm以下，使用冲击转变温度的热轧板进行电工钢板的制造 测试为70℃或更低。

公开(公告)号：US20110056592A1

公开(公告)日：2011-03-10

申请号：US12922772

申请日：2009-04-13

申请人： Yoshihiro Arita ,  Hidekuni Murakami ,  Yoshiyuki Ushigami ,  Takeshi Kubota

发明人： Yoshihiro Arita ,  Hidekuni Murakami ,  Yoshiyuki Ushigami ,  Takeshi Kubota

IPC分类号： C22C38/16 ,  C21D11/00

CPC分类号： H01F1/16 ,  C21D8/1222 ,  C21D8/1272 ,  C21D2201/05 ,  C21D2211/004 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  H01F1/147

摘要： A high-strength non-oriented electrical steel sheet contains: by mass %, C: not less than 0.002% nor more than 0.05%; Si: not less than 2.0% nor more than 4.0%; Mn: not less than 0.05% nor more than 1.0%; N: not less than 0.002% nor more than 0.05%; and Cu: not less than 0.5% nor more than 3.0%. An Al content is 3.0% or less, and when a Nb content (%) is set to [Nb], a Zr content (%) is set to [Zr], a Ti content (%) is set to [Ti], a V content (%) is set to [V], a C content (%) is set to [C], and an N content (%) is set to [N], Formula (1) and Formula (2) are satisfied. A balance is composed of Fe and inevitable impurities, a recrystallization area ratio is 50% or more, yield stress at a tensile test is 700 MPa or more, fracture elongation is 10% or more, and an eddy current loss We10/400 (W/kg) satisfies Formula (3) in relation to a sheet thickness t (mm) of the steel sheet. 2.0×10−4≦[Nb]/93+[Zr]/91+[Ti]/48+[V]/51   (1) 1.0×10−3≦[C]/12+[N]/14−([Nb]/93+[Zr]/91+[Ti]/48+[V]/51)≦3.0×10−3   (2) We10/400≦70×t2   (3)

摘要翻译： 高强度无取向电工钢板，按质量％计，C：0.002％以上0.05％以下， Si：不小于2.0％，不大于4.0％; Mn：不小于0.05％，不大于1.0％; N：不小于0.002％，不大于0.05％; 和Cu：不小于0.5％，不大于3.0％。 Al含量为3.0％以下，Nb含量（％）为[Nb]时，将Zr含量（％）设定为[Zr]，将Ti含量（％）设定为[Ti] 将V含量（％）设定为[V]，将C含量（％）设定为[C]，将N含量（％）设定为[N]，式（1）和式（2） 满意。 余量由Fe和不可避免的杂质构成，再结晶面积率为50％以上，拉伸试验时的屈服应力为700MPa以上，断裂伸长率为10％以上，涡流损耗为We10 / 400（W / kg）相对于钢板的板厚t（mm）满足公式（3）。 2.0×10-4＆nlE; [Nb] / 93 + [Zr] / 91 + [Ti] / 48 + [V] / 51（1）1.0×10-3＆nlE; [C] / 12 + [N] （[Nb] / 93 + [Zr] / 91 + [Ti] / 48 + [V] / 51）＆nlE; 3.0×10-3（2）We10 / 400＆

公开(公告)号：US06425962B1

公开(公告)日：2002-07-30

申请号：US09548699

申请日：2000-04-13

申请人： Ryutaro Kawamata ,  Yoshihiro Arita ,  Shinichi Kanao ,  Kazufumi Hanzawa ,  Takeshi Kubota ,  Kenichi Murakami

发明人： Ryutaro Kawamata ,  Yoshihiro Arita ,  Shinichi Kanao ,  Kazufumi Hanzawa ,  Takeshi Kubota ,  Kenichi Murakami

IPC分类号： H01F1147

CPC分类号： C21D8/1222 ,  C21D8/1233 ,  C21D8/1272 ,  H01F1/14766 ,  H01F1/14775

摘要： A non-oriented electrical steel sheet excellent in permeability whose steel contains, in percentage by weight, 0.1%≦Si≦1.0%, 0.1%≦Mn≦0.8%, 0.1%≦Al≦1.0% and the balance of Fe and unavoidable impurities, and which has an ay transformation, an electrical resistivity of not less than 10×10−8 &OHgr;m and not greater than 32×10−8 &OHgr;m and a permeability &mgr;{fraction (15/60)} of not less than 1500 (Gauss/Oe); and a method of producing the same.

摘要翻译： 钢的渗透性优异的无方向性电磁钢板，以重量％计含有0.1％<= Si <= 1.0％，0.1％<= Mn <= 0.8％，0.1％<= Al <= 1.0％ Fe和不可避免的杂质的平衡，并且具有不少于10重量％的转化，电阻率不小于10×10 -8欧姆和不大于32×10 -8欧姆，渗透率μ（分数（15/60）}不小于1500 （高斯/ Oe）; 及其制造方法。

公开(公告)号：US09579701B2

公开(公告)日：2017-02-28

申请号：US13813862

申请日：2011-07-29

申请人： Takeshi Kubota ,  Masahiro Fujikura

发明人： Takeshi Kubota ,  Masahiro Fujikura

IPC分类号： B21B15/00 ,  C21D8/12 ,  C21D6/00 ,  C21D9/46 ,  C22C38/00 ,  C22C38/04 ,  C22C38/06 ,  C22C38/16 ,  C22C38/18 ,  C22C38/34 ,  H01F1/16 ,  C22C38/02

CPC分类号： B21B15/00 ,  C21D6/008 ,  C21D8/1222 ,  C21D8/1233 ,  C21D8/1266 ,  C21D8/1272 ,  C21D9/46 ,  C21D2201/05 ,  C22C38/002 ,  C22C38/004 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/16 ,  C22C38/18 ,  C22C38/34 ,  H01F1/16

摘要： A steel having a predetermined composition is hot-rolled so as to form a steel strip, the steel strip is subjected to first cold-rolling, the steel strip is subjected to intermediate annealing, the steel strip is subjected to second cold-rolling, and the steel strip is subjected to finish annealing. A finish temperature in the hot-rolling is 900° C. or less, annealing is not performed between the hot-rolling and the first cold-rolling, and a rolling reduction in the second cold-rolling is not less than 40% nor more than 85%.

摘要翻译： 将具有预定组成的钢热轧成钢带，对钢带进行第一次冷轧，对钢带进行中间退火，对钢带进行第二次冷轧， 对钢带进行最终退火。 热轧时的终轧温度为900℃以下，在热轧和第一次冷轧之间不进行退火，第二次冷轧的轧制压下率也不低于40％ 超过85％。

公开(公告)号：US08934794B2

公开(公告)日：2015-01-13

申请号：US13433611

申请日：2012-03-29

申请人： Takeshi Kubota

发明人： Takeshi Kubota

IPC分类号： G03G15/00 ,  G03G15/08 ,  G03G21/20

CPC分类号： G03G15/0846 ,  G03G15/0848 ,  G03G15/0887 ,  G03G15/0889 ,  G03G21/206

摘要： A developer stirring unit is rotated and driven without driving an electrophotographic photosensitive drum according to output information of a temperature detection unit of an image forming apparatus during a non-image formation period, thereby cooling a developer near a developing roller.

摘要翻译： 根据图像形成装置的温度检测单元的输出信息，在非图像形成期间，显影剂搅拌单元被旋转驱动而不驱动电子照相感光鼓，从而冷却显影辊附近的显影剂。

公开(公告)号：US08742758B2

公开(公告)日：2014-06-03

申请号：US12952903

申请日：2010-11-23

申请人： Miho Nagasawa ,  Yoshihiro Oda ,  Antoine Choppin ,  Takeshi Kubota

发明人： Miho Nagasawa ,  Yoshihiro Oda ,  Antoine Choppin ,  Takeshi Kubota

IPC分类号： G01V3/00 ,  G01R33/44

CPC分类号： G01R33/3415 ,  G01R33/3664 ,  G01R33/4833

摘要： A magnetic resonance imaging apparatus includes a plurality of coil elements for receiving magnetic resonance signals of a subject in a plurality of selectable combinations. The magnetic resonance imaging apparatus also includes a sensitive region storage device for storing respective sensitive regions for the combinations of the coil elements, a setting device for setting scan regions, a calculation device for calculating a scan volume rate indicating each of proportions of overlap regions between the scan regions and the sensitive regions to the scan regions, and a sensitivity volume rate indicating each of proportions of the overlap regions to the sensitive regions, and a selection device for selecting each combination of the coil elements used to receive the magnetic resonance signals of the subject, out of the combinations of the coil elements, based on the scan volume rate and the sensitivity volume rate.

摘要翻译： 磁共振成像装置包括用于以多个可选组合接收被检体的磁共振信号的多个线圈元件。 磁共振成像装置还包括敏感区域存储装置，用于存储用于线圈元件的组合的各个敏感区域，用于设置扫描区域的设置装置，用于计算扫描体积率的计算装置，该计算装置指示每个扫描体积率之间的重叠区域的比例 扫描区域和扫描区域的敏感区域以及指示与敏感区域的重叠区域的比例的每一个的灵敏度体积率，以及用于选择用于接收磁共振信号的线圈元件的每个组合的选择装置 基于扫描体积率和灵敏度体积率，线圈元件的组合中的受试者。