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    • 9. 发明授权
    • Plasma generation device
    • 等离子体发生装置
    • US09228559B2
    • 2016-01-05
    • US13982679
    • 2012-01-31
    • Yuji IkedaMinoru Makita
    • Yuji IkedaMinoru Makita
    • F02P23/04F02M27/04H05H1/46F02P3/04F02P9/00F02P17/00
    • F02P23/045F02M27/042F02P3/01F02P3/0407F02P9/007F02P17/00H05H1/46H05H2001/463
    • To suppress the reflection of an electromagnetic wave from a load in a plasma generation device 30 that generates electromagnetic wave plasma by emitting the electromagnetic wave to a combustion chamber 10 of an engine 20. The plasma generation device 30 includes an electromagnetic wave oscillator 33 that oscillates the electromagnetic wave, an antenna 15a for emitting the electromagnetic wave oscillated by the electromagnetic wave oscillator to the combustion chamber 10 of the engine 20, and a stub adjustment unit 52, 53. The stub 51 is provided on a transmission line 60 for electromagnetic wave from the electromagnetic wave oscillator 33 to the antenna 15a. While the engine 20 is operating, the stub adjustment unit 52, 53 adjusts a short circuit location on the stub 51 based on the intensity of a reflected wave of the electromagnetic wave reflected from the antenna 15a.
    • 抑制通过向发动机20的燃烧室10发射电磁波而产生电磁波等离子体的等离子体产生装置30中的负载的电磁波的反射。等离子体产生装置30包括振荡的电磁波振荡器33 电磁波,用于将由电磁波振荡器振荡的电磁波发射到发动机20的燃烧室10的天线15a和短截线调整单元52,53。短截线51设置在用于电磁波的传输线60上 从电磁波振荡器33到天线15a。 在发动机20工作的情况下,短截线调整部52,53基于从天线15a反射的电磁波的反射波的强度来调整短截线51上的短路位置。