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1. 发明授权

US09375789B2 Plasma device for production of metal powder 有权
标题翻译：用于生产金属粉末的等离子体装置
公开(公告)号：US09375789B2
公开(公告)日：2016-06-28
申请号：US14359837
申请日：2012-11-08
申请人： Shoei Chemical Inc.
发明人： Fumiyuki Shimizu , Masayuki Maekawa , Shusaku Kawaguchi
IPC分类号： B22F9/12 , B22F9/14 , H05H1/48 , B01J19/08 , H05B7/18 , C22C19/03
CPC分类号： B22F9/12 , B01J19/088 , B01J2219/0871 , B01J2219/0879 , B22F9/14 , B22F2202/13 , C22C19/03 , H05B7/18 , H05H1/48
摘要： A plasma device for production of metal powder includes a reaction vessel, a plasma torch, a carrier gas supply unit and a cooling tube. A metal starting material is supplied to the vessel. The torch produces plasma between the torch and the metal starting material to evaporate the metal starting material and produce a metal vapor. The supply unit supplies into the vessel a carrier gas for carrying the metal vapor. The cooling tube is provided with indirect and direct cooling sections and cools the metal vapor transferred from the vessel to produce the metal powder. The metal vapor and/or the metal powder are indirectly cooled in the indirect cooling section and directly cooled in the direct cooling section. A projection and/or a recess are disposed at least on a part of an inner wall of the indirect cooling section.
摘要翻译：用于制造金属粉末的等离子体装置包括反应容器，等离子体焰炬，载气供给单元和冷却管。向容器供应金属起始材料。手电筒在割炬和金属起始材料之间产生等离子体，以蒸发金属原料并产生金属蒸气。供应单元向容器供应用于承载金属蒸气的载气。冷却管设置有间接和直接的冷却部分，并且冷却从容器转移的金属蒸汽以产生金属粉末。金属蒸气和/或金属粉末在间接冷却段中间接冷却，并在直接冷却段中直接冷却。突起和/或凹部至少设置在间接冷却部分的内壁的一部分上。

2. 发明授权

US09561543B2 Method for manufacturing metal powder 有权
标题翻译：金属粉末制造方法
公开(公告)号：US09561543B2
公开(公告)日：2017-02-07
申请号：US14391269
申请日：2013-04-10
申请人： Shoei Chemical Inc.
发明人： Fumiyuki Shimizu , Masayuki Maekawa , Tomotaka Nishikawa
IPC分类号： B22F9/06 , B22F9/14 , B22F9/12 , H05H1/48 , B22F3/00
CPC分类号： B22F9/14 , B22F3/003 , B22F9/06 , B22F9/12 , B22F2999/00 , H05H1/48 , H05H2001/483 , B22F2202/13
摘要： A method for manufacturing metal powder includes: melting at least a portion of a metal starting material in a reaction vessel by utilizing plasma so as to form molten metal; evaporating the molten metal so as to produce a metal vapor; and transferring the metal vapor from the reaction vessel to a cooling tube together with a carrier gas supplied into the reaction vessel so as to cool the metal vapor, and condensing the metal vapor in the cooling tube, thereby producing metal powder. The method further includes supplying an oxygen gas into the reaction vessel.
摘要翻译：一种制造金属粉末的方法包括：通过利用等离子体熔化反应容器中至少一部分金属原料以形成熔融金属; 蒸发熔融金属以产生金属蒸气; 并将金属蒸气与供给到反应容器中的载气一起从反应容器中转移到冷却管，以冷却金属蒸气，并冷凝冷却管中的金属蒸气，从而制造金属粉末。该方法还包括将氧气供应到反应容器中。

3. 发明申请

US20150101454A1 METHOD FOR MANUFACTURING METAL POWDER 有权
标题翻译：制造金属粉末的方法
公开(公告)号：US20150101454A1
公开(公告)日：2015-04-16
申请号：US14391269
申请日：2013-04-10
申请人： Shoei Chemical Inc.
发明人： Fumiyuki Shimizu , Masayuki Maekawa , Tomotaka Nishikawa
IPC分类号： B22F9/14 , B22F9/06
CPC分类号： B22F9/14 , B22F3/003 , B22F9/06 , B22F9/12 , B22F2999/00 , H05H1/48 , H05H2001/483 , B22F2202/13
摘要： A method for manufacturing metal powder includes: melting at least a portion of a metal starting material in a reaction vessel by utilizing plasma so as to form molten metal; evaporating the molten metal so as to produce a metal vapor; and transferring the metal vapor from the reaction vessel to a cooling tube together with a carrier gas supplied into the reaction vessel so as to cool the metal vapor, and condensing the metal vapor in the cooling tube, thereby producing metal powder. The method further includes supplying an oxygen gas into the reaction vessel.
摘要翻译：一种制造金属粉末的方法包括：通过利用等离子体熔化反应容器中至少一部分金属原料以形成熔融金属; 蒸发熔融金属以产生金属蒸气; 并将金属蒸气与供给到反应容器中的载气一起从反应容器中转移到冷却管，以冷却金属蒸气，并冷凝冷却管中的金属蒸气，从而制造金属粉末。该方法还包括将氧气供应到反应容器中。

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