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公开(公告)号：US08680961B2
公开(公告)日：2014-03-25
申请号：US13582623
申请日：2010-06-22
CPC分类号： H01F27/022 , H01F3/14 , H01F27/263 , H01F27/325 , H01F27/327 , H01F37/00 , H01F2003/106 , Y10T29/4902 , Y10T29/49073
摘要： The disclosed reactor has a case and a cylindrical molded coil assembly which is disposed inside of the case and which is formed by covering a coil with a resin, wherein the coil assembly is sealed by an iron powder mixed resin to which iron powder has been admixed. The reactor has a pillar provided as a single body with the case, and one or multiple ring-shaped core members. The ring-shaped core members are disposed outside the outer surface of the pillar such that the pillar is inserted inside the inner surface of said ring-shaped core members, and the assembly coil is disposed outside the outer surface of the ring-shaped core members such that the ring-shaped core members are inserted inside the inner surface of said coil assembly. The ring-shaped core members are sealed by means of the aforementioned iron powder-mixed resin.
摘要翻译： 所公开的反应器具有壳体和圆柱形模制线圈组件，其设置在壳体内部并且通过用树脂覆盖线圈形成，其中线圈组件被铁粉混合树脂密封，铁粉混合树脂已经被混合 。 反应器具有作为具有壳体的单个主体的柱，以及一个或多个环形芯构件。 所述环状铁心构件设置在所述支柱的外表面的外侧，使得所述支柱插入在所述环状铁芯构件的内表面内，并且所述组装线圈设置在所述环形铁芯构件的外表面的外侧 使得环形芯构件插入到所述线圈组件的内表面内。 通过上述铁粉混合树脂密封环状芯体。
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公开(公告)号：US20130002384A1
公开(公告)日：2013-01-03
申请号：US13582623
申请日：2010-06-22
CPC分类号： H01F27/022 , H01F3/14 , H01F27/263 , H01F27/325 , H01F27/327 , H01F37/00 , H01F2003/106 , Y10T29/4902 , Y10T29/49073
摘要： The disclosed reactor has a case and a cylindrical molded coil assembly which is disposed inside of the case and which is formed by covering a coil with a resin, wherein the coil assembly is sealed by an iron powder mixed resin to which iron powder has been admixed. The reactor has a pillar provided as a single body with the case, and one or multiple ring-shaped core members. The ring-shaped core members are disposed outside the outer surface of the pillar such that the pillar is inserted inside the inner surface of said ring-shaped core members, and the assembly coil is disposed outside the outer surface of the ring-shaped core members such that the ring-shaped core members are inserted inside the inner surface of said coil assembly. The ring-shaped core members are sealed by means of the aforementioned iron powder-mixed resin.
摘要翻译： 所公开的反应器具有壳体和圆柱形模制线圈组件，其设置在壳体内部并且通过用树脂覆盖线圈形成，其中线圈组件被铁粉混合树脂密封，铁粉混合树脂已经被混合 。 反应器具有作为具有壳体的单个主体的柱，以及一个或多个环形芯构件。 所述环状铁心构件设置在所述支柱的外表面的外侧，使得所述支柱插入在所述环状铁芯构件的内表面内，并且所述组装线圈设置在所述环形铁芯构件的外表面的外侧 使得环形芯构件插入到所述线圈组件的内表面内。 通过上述铁粉混合树脂密封环状芯体。
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公开(公告)号：US08241557B2
公开(公告)日：2012-08-14
申请号：US13188638
申请日：2011-07-22
CPC分类号： C22C1/051 , B22F1/02 , B22F2003/145 , B22F2003/248 , B22F2998/10 , B22F2999/00 , C22C2202/02 , H01F1/0577 , H01F1/26 , H01F41/0246 , B22F3/24 , B22F2201/02 , B22F3/1007 , B22F3/14
摘要： An object of the present invention is to provide a method for producing a dust core wherein generation of iron oxide at grain boundaries in the dust core is unlikely to take place upon annealing of the dust core subjected to compaction, thus allowing excellent electromagnetic characteristics to be realized. Also, the following is provided: a method for producing a dust core, which comprises: a step of molding a magnetic powder comprising a powder for a dust core formed with an iron-based magnetic powder coated with a silicone resin into a dust core via compaction; and a step of annealing the dust core via heating so as to cause the silicone resin contained in the dust core to be partially formed into a silicate compound, wherein annealing of the dust core is carried out at a dew point of an inert gas of −40° C. or lower in an inert gas atmosphere in the annealing step.
摘要翻译： 本发明的目的在于提供一种粉尘芯的制造方法，其特征在于，在经过压实的压粉芯退火后，在粉尘芯中产生铁氧化物不容易发生，从而使电磁特性优异 实现了 另外，提供以下内容：一种压粉芯的制造方法，其特征在于，包括以下步骤：将形成有由硅酮树脂涂覆的铁基磁性粉末形成的粉尘的粉末的磁性粉末成型为粉尘芯， 压实 以及通过加热对所述防尘芯体进行退火以使所述防尘芯体中包含的硅酮树脂部分地形成为硅酸盐化合物的步骤，其中所述防尘芯的退火在所述惰性气体的露点处进行， 在退火步骤中的惰性气体气氛中为40℃以下。
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