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1. 发明公开

EP1716376A4 COLD CRUCIBLE INDUCTION FURNACE 有权
标题翻译：与冷坩埚感应炉
公开(公告)号：EP1716376A4
公开(公告)日：2008-02-27
申请号：EP05705808
申请日：2005-01-14
申请人： CONSARC CORP
发明人： KEOUGH GRAHAM A
IPC分类号： F27D7/06 , F27D3/00 , H05B6/06 , H05B6/22 , H05B6/24 , H05B6/34
CPC分类号： H05B6/24 , F27B14/063 , F27B14/14
摘要： A cold crucible induction furnace has a slotted-wall with a slotted inner annular protrusion that is disposed around the base of the crucible's melting chamber. The protrusions may be separated from the base by a gap that can be filled with an electrical insulating material. Slots may also be provided in the protrusions and/or the outer perimeter of the base.

2. 发明公开

EP1718910A4 COLD CRUCIBLE INDUCTION FURNACE WITH EDDY CURRENT DAMPING 有权
标题翻译： INDUKTIONSOFEN MIT KALTEM TIEGEL MITWIRBELSTROMDÄMPFUNG
公开(公告)号：EP1718910A4
公开(公告)日：2008-03-05
申请号：EP05705903
申请日：2005-01-14
申请人： CONSARC CORP
发明人： ROBERTS RAYMOND J , KEOUGH GRAHAM A
IPC分类号： F27D7/06 , F27D3/00 , H05B6/06 , H05B6/24
CPC分类号： F27B14/14 , F27B14/063 , F27D11/06 , H05B6/24
摘要： Apparatus and method are provided for damping the induced fluid flow, particularly in the region of the base plate (14), in an electrically conductive material that is heated and melted in a cold crucible induction furnace (10). Damping is accomplished by establishing a dc magnetic field (99)such that flow of the electrically conductive liquid metal in that dc magnetic field (99) would induce eddy currents in the liquid metal (93) which would generate forces that tend to oppose the flow. The dc magnetic field (99) may be established by dc current flow in the ac induction coil (68) that induces current in the material, dc current flow in a separate dc coil (73, 75), or coils, constructed to prevent excessive induced losses, by discrete magnets, or a combination of any of the three prior methods.
摘要翻译：提供了一种设备和方法，用于在导热材料中，特别是在底板的区域中，在冷坩埚感应炉中加热和熔化，来阻尼诱发的流体流动。通过建立直流磁场来实现阻尼，使得在该直流磁场中的导电液体金属的流动将在液态金属中产生涡流，这将产生趋于与流动相反的力。直流磁场可以通过交流感应线圈中的直流电流建立，其诱导材料中的电流，直流电流在单独的直流线圈中流动，或者通过分立的磁体构造成用于防止过度的感应损耗的线圈，或组合以前的三种方法中的任何一种。直流磁场也可以通过设置在位于炉底部的磁极片周围的一个或多个直流线圈中的直流电流来建立。磁极片的一端位于坩埚底部的底部附近，使得极片将直流场集中到熔融导电材料的下部。

3. 发明公开

EP1917713A4 PULSE WIDTH MODULATED POWER INVERTER OUTPUT CONTROL 审中-公开
标题翻译：脉宽调制逆变电源输出控制
公开(公告)号：EP1917713A4
公开(公告)日：2016-06-29
申请号：EP06813778
申请日：2006-08-25
申请人： CONSARC CORP
发明人： KEOUGH GRAHAM A
IPC分类号： H02P5/00 , H02M1/00 , H02M7/5387 , H05B6/06
CPC分类号： H05B6/067 , H02M2001/0054 , H02M2007/53878 , Y02B70/1491
摘要： A method is provided for output control of a pulse width modulated power inverter used with a substantially resistive, single phase, ac load such as an electro-slag remelting furnace. In one application of the method, during each of the inverter's half cycle outputs, active switching devices are alternatively pulsed on and off during the half cycle so that only half of the switching transients in the half cycle are handled by one of the active switching devices.

4. 发明公开

EP1109639A4 POSITIONING APPARATUS AND METHOD FOR PRECISION POURING OF A LIQUID FROM A VESSEL 有权
标题翻译：定位装置和方法精密铸造液体从容器
公开(公告)号：EP1109639A4
公开(公告)日：2005-03-16
申请号：EP00944645
申请日：2000-06-12
申请人： CONSARC CORP
发明人： KEOUGH GRAHAM A
IPC分类号： B67D99/00 , B22D37/00 , G05D3/12 , B65B1/04 , B65B3/04 , C21C5/42 , F27B14/02 , F27B14/08 , F27D3/14
CPC分类号： B22D37/00

5. 发明公开

EP2686122A4 OPEN BOTTOM ELECTRIC INDUCTION COLD CRUCIBLE FOR USE IN ELECTROMAGNETIC CASTING OF INGOTS 有权
标题翻译：低于开放式电磁铸造用开放式电磁感应倾斜炉
公开(公告)号：EP2686122A4
公开(公告)日：2014-11-19
申请号：EP12757811
申请日：2012-03-07
申请人： CONSARC CORP
发明人： KEOUGH GRAHAM A
IPC分类号： B22D7/12 , B22D11/00 , B22D27/02 , B22D41/005 , F27B14/14
CPC分类号： F27B14/061 , B22D11/001 , B22D11/115 , B22D11/141 , B22D23/06 , B22D27/02 , C30B11/001 , C30B11/002 , C30B11/003 , C30B29/06 , F27B14/10 , F27B14/14
摘要： An open bottom electric induction cold crucible with a slotted wall extending below one or more induction coils surrounding the partial exterior height of the crucible is used in an electromagnetic casting process for the production of ingots. A bottom magnetic shield is provided around the outer perimeter of the crucible's slotted wall in the vicinity of the bottom opening and the bottom termination of the wall slots and the bottom connecting member.

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