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1. 发明授权

US6148018A Heat flow sensing system for an induction furnace 失效
标题翻译：感应炉热流感测系统
公开(公告)号：US6148018A
公开(公告)日：2000-11-14
申请号：US960397
申请日：1997-10-29
申请人： Jose A. Garcia , David A. Lazor , Jack L. McMillin
发明人： Jose A. Garcia , David A. Lazor , Jack L. McMillin
IPC分类号： H05B6/06 , H05B6/28
CPC分类号： H05B6/28 , H05B6/067
摘要： An induction melting furnace includes a detection system for sensing metal penetration into a wall of the furnace depending upon detecting heat flow from the hearth to the furnace. The furnace includes a crucible including a refractory lining for holding molten metal, a coil for inductively heating the molten metal, and a power supply for supplying energy to the coil and the detection system. An electrode system is interposed between the coil and the lining comprising a sensing mat housing conductors receiving a test signal from the power supply, wherein the sensing mat includes a temperature sensitive binder that varies conductivity between the conductors in response to heat penetration through the lining. The sensing mat is preferably comprised of flexible phillosilicate mica for enhanced thermal conduction and the binder comprises an organic resin compound which carburizes at a predetermined elevated temperature.
摘要翻译：感应熔炼炉包括检测系统，用于检测金属渗透到炉壁中，这取决于检测从炉底到炉的热流。该炉包括坩埚，其包括用于保持熔融金属的耐火衬层，用于感应加热熔融金属的线圈，以及用于向线圈和检测系统供电的电源。电极系统插入在线圈和衬里之间，其包括感测垫，其容纳导体，其接收来自电源的测试信号，其中感测垫包括温度敏感粘合剂，其响应于通过衬里的热穿透而改变导体之间的导电性。传感垫优选由用于增强热传导的柔性硅酸盐云母组成，并且粘合剂包括在预定高温下渗碳的有机树脂化合物。

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