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公开(公告)号：US11833480B2
公开(公告)日：2023-12-05
申请号：US16979724
申请日：2019-03-08
申请人： Proterial, LTD.
发明人： Akihiro Maeta , Kazunori Nishimura
CPC分类号： B01F25/21 , B01F25/50 , B01F23/023 , B01F23/53 , B01F23/56
摘要： A device includes a container for storing slurry, a main pipeline with one end connected to the container and the other end extending to an inner space of the container and forming a first circulation path, a nozzle attached to the other end of the main pipeline, a pump provided in the first circulation path between one end and the other end of the main pipeline for sucking and pressurizing slurry, a sub-pipeline which branches from the pump or branches from the main pipeline between the pump and the nozzle and extends to the inner space of the container and forms a second circulation path, a valve for switching distribution of slurry to one or both of the first and second circulation paths, and a discharge port provided at a tip opposite to a branch end of the sub-pipeline and located below the nozzle in a vertical direction.
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公开(公告)号：US11636970B2
公开(公告)日：2023-04-25
申请号：US16430816
申请日：2019-06-04
申请人： PROTERIAL, LTD.
发明人： Kazunori Nishimura , Shin Noguchi , Toshio Mihara
摘要： The invention provides a powder magnetic core and a method for manufacturing a powder magnetic core through simple compression molding and capable of manufacturing a complicatedly shaped powder magnetic core with reliable high strength and insulating properties. A method for manufacturing a powder magnetic core with a metallic soft magnetic material powder includes: a first step including mixing a soft magnetic material powder and a binder; a second step including compression molding the mixture obtained after the first step; a third step including performing at least one of grinding and cutting on the compact obtained after the second step; and a fourth step including heat-treating the compact after the third step, wherein in the fourth step, the compact is heat-treated so that an oxide layer containing an element constituting the soft magnetic material powder is formed on the surface of the soft magnetic material powder.
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