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Apparatus and method for gaseous emissions treatment using induction heating with movable heat profile
Apparatus and method for gaseous emissions treatment using induction heating with movable heat profile
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机译:使用具有可移动热量曲线的感应加热进行气体排放物处理的设备和方法
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摘要
An assembly for treating gaseous emissions has a substrate with cells for the passage of an emissions gas to be treated and inductive heating elements located in some of the cells. An electromagnetic field generator mounted near the substrate generates a varying electromagnetic field, so as to inductively heat the inductive heating elements and so heat the substrate. Some of the inductive heating elements have a first natural resonant frequency other inductive elements have a second natural resonant frequency different from the first resonant frequency. A power supply for the electromagnetic field generator is operated with a frequency closer to the first resonant frequency for a time and is operated with a frequency closer to the second resonant frequency period for a subsequent time period. By switching between the frequencies at different times, the heating profile can be moved in the substrate.
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