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公开(公告)号：US11622421B2
公开(公告)日：2023-04-04
申请号：US16600742
申请日：2019-10-14
发明人： Jeremy Ohse , Jake Spooler , Philip S. Schmidt , Patrick Margavio , Melissa Lanham , Paul Valachovic , Brittany Phillips , Mark Denis Everly
摘要： A heater system is provided. The system includes a resistive element with a temperature coefficient of resistance (TCR) of at least about 1,000 ppm such that the resistive element functions as a heater and as a temperature sensor and the resistive element is a material having greater than about 95% nickel. The system also includes a heater control module including a two-wire controller with a power control module that is configured to periodically compare a measured resistance value of the resistive element against a reference temperature to adjust for resistance drift over time during operation such that a temperature drift of the resistive element is less than about 1% over a temperature range of about 500° C.-1,000° C.
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公开(公告)号：US10448458B2
公开(公告)日：2019-10-15
申请号：US15790301
申请日：2017-10-23
发明人： Jeremy Ohse , Jake Spooler , Phillip S. Schmidt , Patrick Margavio , Melissa Lanham , Paul Valachovic , Brittany Phillips , Mark Denis Everly
摘要： A heater includes at least one resistive element. The at least one resistive element includes a material having a high temperature coefficient of resistance (TCR) such that the resistive element functions as a heater and as a temperature sensor, the resistive element being a material selected from the group consisting of greater than about 95% nickel, a nickel copper alloy, stainless steel, a molybdenum-nickel alloy, niobium, a nickel-iron alloy, tantalum, zirconium, tungsten, molybdenum, Nisil, and titanium. In one form, the heater is a tubular heater with compacted MgO insulation and a metal sheath.
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公开(公告)号：US20180124870A1
公开(公告)日：2018-05-03
申请号：US15790301
申请日：2017-10-23
发明人： Jeremy Ohse , Jake Spooler , Phillip S. Schmidt , Patrick Margavio , Melissa Lanham , Paul Valachovic , Brittany Phillips , Mark Denis Everly
摘要： A heater includes at least one resistive element. The at least one resistive element includes a material having a high temperature coefficient of resistance (TCR) such that the resistive element functions as a heater and as a temperature sensor, the resistive element being a material selected from the group consisting of greater than about 95% nickel, a nickel copper alloy, stainless steel, a molybdenum-nickel alloy, niobium, a nickel-iron alloy, tantalum, zirconium, tungsten, molybdenum, Nisil, and titanium. In one form, the heater is a tubular heater with compacted MgO insulation and a metal sheath.
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