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公开(公告)号：US20230349024A1
公开(公告)日：2023-11-02
申请号：US18129816
申请日：2023-03-31
申请人： KW Associates LLC
CPC分类号： C22B9/20 , G01R31/1227
摘要： Magnetic field components measured around and along a remelting furnace and other measured furnace parameters are used to estimate concentricity of the electrode within the crucible of the furnace, to estimate a distribution of drip shorts across a gap between the electrode and the melt pool, or to detect, locate, and categorize anomalous events during the remelting process. Those can be used to control the operation of the furnace during the remelting process, or incorporated into a longitudinal or three-dimensional map of the resulting ingot. Artificial intelligence, machine learning, or a neural network can be employed.
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公开(公告)号：US11243273B2
公开(公告)日：2022-02-08
申请号：US17200875
申请日：2021-03-14
申请人： KW Associates LLC
摘要： Magnetic field components are measured at multiple longitudinal positions and used to calculate estimated longitudinal position and length of a transversely localized electric current segment flowing across a gap between conductive bodies. The apparatus can be used with a remelting furnace. The electrode and ingot act as the conductive bodies, and arcs, discharges, or slag currents are the current segments spanning the gap. Actuators for movable sensors can be coupled to the sensors in a servomechanism arrangement to move the sensors along with the moving gap. An actuator for moving one of the conductive bodies can be coupled to sensors in a servomechanism arrangement to maintain the gap distance within a selected range as the gap moves.
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公开(公告)号：US20210286024A1
公开(公告)日：2021-09-16
申请号：US17200875
申请日：2021-03-14
申请人： KW Associates LLC
摘要： Magnetic field components are measured at multiple longitudinal positions and used to calculate estimated longitudinal position and length of a transversely localized electric current segment flowing across a gap between conductive bodies. The apparatus can be used with a remelting furnace. The electrode and ingot act as the conductive bodies, and arcs, discharges, or slag currents are the current segments spanning the gap. Actuators for movable sensors can be coupled to the sensors in a servomechanism arrangement to move the sensors along with the moving gap. An actuator for moving one of the conductive bodies can be coupled to sensors in a servomechanism arrangement to maintain the gap distance within a selected range as the gap moves.
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公开(公告)号：US12092703B2
公开(公告)日：2024-09-17
申请号：US17942140
申请日：2022-09-11
申请人： KW Associates LLC
CPC分类号： G01R33/06 , G01R33/0064 , G01R33/10
摘要： Magnetic field components are measured at multiple longitudinal positions and used to calculate estimated longitudinal position and length of a transversely localized electric current segment flowing across a gap between conductive bodies. The apparatus can be used with a remelting furnace. The electrode and ingot act as the conductive bodies, and arcs, discharges, or slag currents are the current segments spanning the gap. Actuators for movable sensors can be coupled to the sensors in a servomechanism arrangement to move the sensors along with the moving gap. An actuator for moving one of the conductive bodies can be coupled to sensors in a servomechanism arrangement to maintain the gap distance within a selected range as the gap moves.
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公开(公告)号：US20230141555A1
公开(公告)日：2023-05-11
申请号：US17942140
申请日：2022-09-11
申请人： KW Associates LLC
CPC分类号： G01R33/06 , G01R33/0064 , G01R33/10
摘要： Magnetic field components are measured at multiple longitudinal positions and used to calculate estimated longitudinal position and length of a transversely localized electric current segment flowing across a gap between conductive bodies. The apparatus can be used with a remelting furnace. The electrode and ingot act as the conductive bodies, and arcs, discharges, or slag currents are the current segments spanning the gap. Actuators for movable sensors can be coupled to the sensors in a servomechanism arrangement to move the sensors along with the moving gap. An actuator for moving one of the conductive bodies can be coupled to sensors in a servomechanism arrangement to maintain the gap distance within a selected range as the gap moves.
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