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1. 发明授权

US06451246B2 Molten metal vessel for filtering impurities 失效
标题翻译：用于过滤杂质的熔融金属容器
公开(公告)号：US06451246B2
公开(公告)日：2002-09-17
申请号：US09839829
申请日：2001-04-24
申请人： Tomoyuki Hatano , Takeshi Nagasaka , Hiromi Takagi , Sumi Yoshikawa , Shunji Moohizuki
发明人： Tomoyuki Hatano , Takeshi Nagasaka , Hiromi Takagi , Sumi Yoshikawa , Shunji Moohizuki
IPC分类号： C22B902
CPC分类号： C22B9/023 , C22B21/064 , C22B21/066 , C23C2/003 , Y02P10/234
摘要： A molten metal vessel includes a first chamber for containing molten metal such as molten aluminum therein, a filtration chamber in which impurities contained in the molten metal are removed, and a second chamber for reserving clean molten metal to be supplied to a casting die. The molten metal flows from the first chamber to the second chamber through the filtration chamber. A pair of filters, preferably a pair of cylindrical filters, are disposed in the filtration chamber, so that the impurities contained in the molten metal can be filtered twice. The filters are attached to the bottom of the filtration chamber where molten metal oxides hardly develop, so that the filters are easily replaced with new ones for the maintenance purpose. A rod-shaped heater may be disposed in the cylindrical filters to keep the molten metal temperature in a strictly controlled range. Thus, the impurities are effectively removed from the molten metal through the filters which are easily replaceable.
摘要翻译：熔融金属容器包括用于容纳熔融金属的熔融金属的第一室，其中除去熔融金属中包含的杂质的过滤室，以及用于保存供给铸模的清洁熔融金属的第二室。熔融金属通过过滤室从第一室流向第二室。一对过滤器，优选一对圆柱形过滤器，设置在过滤室中，使得包含在熔融金属中的杂质可以被过滤两次。过滤器附着在过滤室的底部，其中熔融金属氧化物几乎不形成，从而为了维护目的，过滤器容易被更换。柱形加热器可以设置在圆柱形过滤器中，以使熔融金属温度保持在严格控制的范围内。因此，通过易于更换的过滤器，有效地从熔融金属中除去杂质。

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