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1. 发明授权

US5454423A Melt pumping apparatus and casting apparatus 失效
标题翻译：熔体泵送装置和铸造装置
公开(公告)号：US5454423A
公开(公告)日：1995-10-03
申请号：US86182
申请日：1993-06-30
申请人： Jiro Tsuchida , Hirotaka Tsubota , Hiroshi Yamaguchi , Donnie D. Rhum
发明人： Jiro Tsuchida , Hirotaka Tsubota , Hiroshi Yamaguchi , Donnie D. Rhum
IPC分类号： B22D17/30 , B22D35/00 , B22D39/00 , F27D3/00 , F27D3/14 , B22D37/00
CPC分类号： B22D39/00 , B22D17/30 , F27D3/14 , F27D2003/0056
摘要： Apparatus for supplying melt from a melt-holding vessel to a casting machine comprises a ceramic melt pump casing or housing submersible in the melt. The casing includes a melt-pumping chamber with a melt inlet and melt outlet and a piston-receiving bore communicated to the chamber. A piston having a ceramic pumping portion is movable in the bore relative to the chamber in a suction stroke to draw the melt into the chamber through the melt inlet and in a pumping stroke to discharge the melt from the chamber through the melt outlet to, for example, a melt casting machine. A melt inlet valve having a ceramic valve portion submersible in the melt is movable relative to the melt inlet to open/close the melt inlet when the piston pumping portion is moved in the respective suction/pumping stroke. A melt outlet valve having a ceramic valve portion submersible in the melt is movable relative to the melt outlet to close/open the melt outlet when the piston pumping portion is moved in the respective suction/pumping stroke. The casing, piston pumping portion, and melt inlet and outlet valve portions are supported from the support member so as to be submerged in the melt of the melt-holding vessel. Actuators provided for the piston and melt inlet and outlet valves are mounted on the support member above the melt.
摘要翻译：用于将熔体从熔融容器供应到铸造机的装置包括在熔体中浸没的陶瓷熔体泵壳体或壳体。壳体包括具有熔体入口和熔体出口的熔体泵送室以及与室连通的活塞接收孔。具有陶瓷抽吸部分的活塞可以在吸入冲程中相对于腔室在孔中移动，以通过熔体入口和抽吸冲程将熔体吸入室中，以将来自腔室的熔体通过熔体出口排出，用于例如熔体浇铸机。具有在熔体中浸没的陶瓷阀部分的熔体入口阀可相对于熔体入口移动，以在活塞泵送部分在相应的抽吸冲程中移动时打开/关闭熔体入口。当活塞泵送部分在相应的吸入/抽吸冲程中移动时，具有潜在熔体中的陶瓷阀部分的熔体出口阀可相对于熔体出口移动以关闭/打开熔体出口。壳体，活塞泵送部分和熔体入口和出口阀部分从支撑构件支撑，以便浸没在熔体保持容器的熔体中。为活塞提供的致动器和熔体入口和出口阀安装在熔体上方的支撑构件上。

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